Removing ArtistTools and CurveEditor projects

53 files changed, 0 insertions, 9088 deletions

diff --git a/tools/CurveEditor/source/Attribute.h b/tools/CurveEditor/source/Attribute.h
deleted file mode 100644
index c8af7f7..0000000
--- a/tools/CurveEditor/source/Attribute.h
+++ /dev/null
@@ -1,109 +0,0 @@
-#ifndef ATTRIBUTE_H__
-#define ATTRIBUTE_H__
-
-#include "Curve.h"
-#include <vector>
-
-namespace nvidia {
-namespace CurveEditor {
-
-class CurveEditorMainWindow;
-
-enum CurveAttributeType
-{
-    eSingleAttr,
-    eGroupAttr,
-    eColorAttr,
-};
-
-class CURVEEDITOR_EXPORT CurveAttributeBase
-{
-    friend class CurveEditorMainWindow;
-public:
-    std::string getName() const  { return _name; }
-    CurveAttributeType getType() const { return _type; }
-
-    inline bool canMoveControlPointHorizontally() { return _canMoveControlPointHorizontally;  }
-    inline bool canAddRemoveControlPoint() {   return _canAddRemoveControlPoint;   }
-    inline bool canChangeTangentType() {   return _canChangeTangentType;   }
-
-protected:
-    CurveAttributeBase(const std::string& name, CurveAttributeType type, bool canMoveControlPointHorizontally = false, bool canAddRemoveControlPoint = false, bool canChangeTangentType = false)
-        : _name(name)
-        , _type(type)
-        , _canMoveControlPointHorizontally(canMoveControlPointHorizontally)
-        , _canAddRemoveControlPoint(canAddRemoveControlPoint)
-        , _canChangeTangentType(canChangeTangentType)
-    {
-    }
-
-protected:
-    std::string         _name;
-    CurveAttributeType  _type;
-    bool                _canMoveControlPointHorizontally;
-    bool                _canAddRemoveControlPoint;
-    bool                _canChangeTangentType;
-};
-
-class CURVEEDITOR_EXPORT CurveAttribute : public CurveAttributeBase
-{
-public:
-    CurveAttribute()
-        : CurveAttributeBase("", eSingleAttr)
-    {
-    }
-
-    CurveAttribute(const std::string& name, bool canMoveControlPointHorizontally = false, bool canAddRemoveControlPoint = false, bool canChangeTangentType = false)
-        : CurveAttributeBase(name, eSingleAttr, canMoveControlPointHorizontally, canAddRemoveControlPoint, canChangeTangentType)
-    {
-    }
-
-    CurveAttribute(const CurveAttribute& attr)
-        : CurveAttributeBase(attr._name, eSingleAttr)
-    {
-    }
-
-    ~CurveAttribute()
-    {
-    }
-
-    QColor  color;
-    Curve   curve;
-};
-
-class CURVEEDITOR_EXPORT CurveAttributeGroup : public CurveAttributeBase
-{
-public:
-    CurveAttributeGroup(std::string name, bool canMoveControlPointHorizontally = false, bool canAddRemoveControlPoint = false, bool canChangeTangentType = false)
-        : CurveAttributeBase(name, eGroupAttr, canMoveControlPointHorizontally, canAddRemoveControlPoint, canChangeTangentType)
-    {
-    }
-
-    std::vector<CurveAttribute*> attributes;
-};
-
-class CURVEEDITOR_EXPORT ColorAttribute : public CurveAttributeBase
-{
-    friend class CurveEditor;
-public:
-    ColorAttribute()
-        : CurveAttributeBase("", eSingleAttr)
-        , useAlphaFromColor(false)
-    {
-    }
-
-    ColorAttribute(const std::string& name, bool canMoveControlPointHorizontally = false, bool canAddRemoveControlPoint = false, bool canChangeTangentType = false)
-        : CurveAttributeBase(name, eColorAttr, canMoveControlPointHorizontally, canAddRemoveControlPoint, canChangeTangentType)
-        , useAlphaFromColor(false)
-    {
-    }
-
-    ColorCurve  colorCurve;
-    ColorCurve  alphaCurve;
-    bool        useAlphaFromColor;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // ATTRIBUTE_H__
diff --git a/tools/CurveEditor/source/Common.h b/tools/CurveEditor/source/Common.h
deleted file mode 100644
index 43038fd..0000000
--- a/tools/CurveEditor/source/Common.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef CURVEEDITOR_COMMON_H
-#define CURVEEDITOR_COMMON_H
-
-#ifdef CURVEEDITOR_LIB
-# define CURVEEDITOR_EXPORT Q_DECL_EXPORT
-#else
-# define CURVEEDITOR_EXPORT Q_DECL_IMPORT
-#endif
-
-#endif
diff --git a/tools/CurveEditor/source/Curve.h b/tools/CurveEditor/source/Curve.h
deleted file mode 100644
index a070fb5..0000000
--- a/tools/CurveEditor/source/Curve.h
+++ /dev/null
@@ -1,204 +0,0 @@
-#ifndef CURVE_H
-#define CURVE_H
-#include <QtCore/QPointF>
-#include <QtGui/QColor>
-#include <vector>
-#include "Common.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-enum InterpolateMode
-{
-    eDiscret,
-    eLinear,
-    eBezierSpline,
-    eCatmullRomSpline,
-};
-
-struct BezierSplineData
-{
-    float    inTan;
-    float    inLen;
-    float    outTan;
-    float    outLen;
-};
-
-struct ControlPoint
-{
-    ControlPoint()
-        : value(0, 0)
-        , mode (eDiscret)
-    {
-        memset( &splineData, 0, sizeof(BezierSplineData));
-    }
-
-    ControlPoint(float inX, float inY, InterpolateMode inMode)
-        : value(inX, inY)
-        , mode(inMode)
-    {
-        memset( &splineData, 0, sizeof(BezierSplineData));
-    }
-
-    ControlPoint(float inX, float inY, InterpolateMode inMode, BezierSplineData& inSplineData)
-        : value(inX, inY)
-        , mode(inMode)
-        , splineData(inSplineData)
-    {
-
-    }
-
-    QPointF value;
-    InterpolateMode mode;
-    BezierSplineData splineData;
-};
-
-class CURVEEDITOR_EXPORT Curve
-{
-    friend class CurveWidget;
-    friend class CurveEntity;
-public:
-    Curve(long segmentCount = 100);
-
-    void initValueRange(const QPointF& min, const QPointF& max);
-    QPointF getMinValue();
-    QPointF getMaxValue();
-
-    int getControlPointCount()  { return (int) _controlPoints.size(); }
-    const ControlPoint& getControlPoint(int index)    { return _controlPoints[index]; }
-    void appendControlPoint(ControlPoint& controlPoint, bool asDefaultToo = true);
-    int appendControlPoint(float x);
-    void setControlPoint(int index, const ControlPoint& point);
-    void reset(void);
-    void insertControlPointAt(int index);
-    void removeControlPoint(int index);
-    void removeControlPoints(std::vector<int>& indexes);
-
-    QPointF getPointByX(float x);
-    std::vector<QPointF> getSamplePoints();
-    Curve resampleCurve(int resamplePnts, long segmentCount = 100);
-
-    Curve& operator = (const Curve& right);
-
-private:
-    void _sample();
-    ControlPoint& _getNearCtrlPnt(float x);
-
-private:
-    bool                    _needSample;
-    bool                    _initValueRange;
-    QPointF                 _minValue;
-    QPointF                 _maxValue;
-    long                    _segmentCount;
-    std::vector<QPointF>    _samplePoints;
-    std::vector<ControlPoint>    _controlPoints;
-    std::vector<ControlPoint>    _defaultControlPoints;
-};
-
-struct ColorControlPoint
-{
-    ColorControlPoint()
-        : x(0.0)
-        , color()
-        , mode (eDiscret)
-        , weight(0.5f)
-        , fallOff(0.5f)
-        , texturePath()
-    {
-        memset( &splineData, 0, sizeof(BezierSplineData));
-    }
-
-    ColorControlPoint(float inX, const QColor& inColor, InterpolateMode inMode, float inWeight = 0.5f, float inFallOff = 0.5f)
-        : x(inX)
-        , color(inColor)
-        , mode(inMode)
-        , weight(inWeight)
-        , fallOff(inFallOff)
-        , texturePath()
-    {
-        memset( &splineData, 0, sizeof(BezierSplineData));
-    }
-
-    ColorControlPoint(float inX, const QColor& inColor, InterpolateMode inMode, const BezierSplineData& inSplineData, float inWeight = 0.5f, float inFallOff = 0.5f)
-        : x(inX)
-        , color(inColor)
-        , mode(inMode)
-        , splineData(inSplineData)
-        , weight(inWeight)
-        , fallOff(inFallOff)
-        , texturePath()
-    {
-
-    }
-
-    float               x;
-    QColor              color;
-    InterpolateMode     mode;
-    BezierSplineData    splineData;
-    float               weight;         // if it's less than 0, the segememnt between this control point and next control point won't use weight algorithm
-    float               fallOff;
-    std::string         texturePath;
-    QColor              textureAverageColor;
-};
-
-struct ColorPoint
-{
-    ColorPoint()
-        : x(0.0)
-        , color()
-    {
-    }
-
-    ColorPoint(float inX, const QColor& inColor)
-        : x(inX)
-        , color(inColor)
-    {
-    }
-
-    float               x;
-    QColor              color;
-};
-
-class ColorWidget;
-class CURVEEDITOR_EXPORT ColorCurve
-{
-    friend class ColorWidget;
-public:
-    ColorCurve(long segmentCount = 100);
-
-    void initValueRange(float min, float max);
-    float getMinValue();
-    float getMaxValue();
-
-    int getControlPointCount()  { return (int) _controlPoints.size(); }
-    const ColorControlPoint& getControlPoint(int index)    { return _controlPoints[index]; }
-    void appendControlPoint(ColorControlPoint& controlPoint, bool asDefaultToo = true);
-    void setControlPoint(int index, const ColorControlPoint& point);
-    void reset(void);
-    void insertControlPointAt(int index);
-    void removeControlPoint(int index);
-
-    QColor getColorByX(float x);
-
-    ColorCurve& operator = (const ColorCurve& right);
-
-private:
-    void _doSamplePoints();
-    void _reOrderControlPoints(int& pickedPoint);
-    QColor _calcTextureAverageColor(const char* texturePath);
-
-private:
-    bool                        _needSample;
-    bool                        _initValueRange;
-    float                       _minValue;
-    float                       _maxValue;
-    long                        _segmentCount;
-    std::vector<ColorPoint>          _colorSamplePnts;
-    std::vector<ColorControlPoint>   _controlPoints;
-    std::vector<ColorControlPoint>   _defaultControlPoints;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // CURVE_H
diff --git a/tools/CurveEditor/source/CurveEditorMainWindow.h b/tools/CurveEditor/source/CurveEditorMainWindow.h
deleted file mode 100644
index 1ae9092..0000000
--- a/tools/CurveEditor/source/CurveEditorMainWindow.h
+++ /dev/null
@@ -1,217 +0,0 @@
-#ifndef CURVEEDITOR_H
-#define CURVEEDITOR_H
-
-#include <QtWidgets/QMainWindow>
-#include <QtWidgets/QTreeWidget>
-#include <QtXml\QtXml>
-#include "Attribute.h"
-
-namespace Ui {
-    class CurveEditorMainWindow;
-}
-
-namespace nvidia {
-namespace CurveEditor {
-
-class CurveWidget;
-class CurveEntity;
-class ColorWidget;
-
-class CURVEEDITOR_EXPORT CurveEditorMainWindow : public QMainWindow
-{
-    Q_OBJECT
-
-    friend class CurveWidget;
-    friend class CurveEntity;
-    friend class ColorWidget;
-
-public:
-    explicit CurveEditorMainWindow(QWidget *parent = 0);
-    ~CurveEditorMainWindow();
-
-    void setCurveAttributes(const std::vector<CurveAttributeBase*>& attributes);
-    void setColorCurveAttributes(const std::vector<ColorAttribute*>& attributes);
-    // if this method is called, tab widget switch to curve attribute tab
-    void setSelectedCurveAttributes(const std::vector<CurveAttributeBase*>& attributes);
-    // if this method is called, tab widget switch to color attribute tab
-    void setSelectedColorAttribute(const ColorAttribute* attribute);
-    void setResampleEnabled(bool enable);
-
-signals:
-    void CurveAttributeChanged(nvidia::CurveEditor::CurveAttribute* attribute);
-    void ColorAttributeChanged(nvidia::CurveEditor::ColorAttribute* attribute);
-    // if reloadColorTex is true, reload texture of the selected control point of the color curve of the color attribute
-    // if reloadColorTex is false, reload texture of the selected control point of the alpha curve of the color attribute
-    // selectedCtrlPntIndex index of the selected control point
-    void ReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute* attribute, bool reloadColorTex, int selectedCtrlPntIndex);
-
-private slots:
-    /////////////////////////slots for signals of standard QT controls//////////////////////////////////////////////////////
-    void on_actionCopy_triggered();
-
-    void on_actionPaste_triggered();
-
-    void on_actionSave_Selected_as_Preset_triggered();
-
-    void on_actionLoad_Preset_to_Copy_Buffer_triggered();
-
-    void on_actionImport_Preset_onto_Selected_triggered();
-
-    void on_actionReset_Curve_triggered();
-
-    void on_actionAdd_Before_Selected_triggered();
-
-    void on_actionAdd_After_Selected_triggered();
-
-    void on_actionRemove_Selected_triggered();
-
-    void on_actionTangent_Stepped_triggered();
-
-    void on_actionTangent_Linear_triggered();
-
-    void on_actionTangent_Smooth_triggered();
-
-    void on_actionTangent_Ease_Out_triggered();
-
-    void on_actionTangent_Ease_In_triggered();
-
-    void on_actionTangent_Spline_triggered();
-
-    void on_actionSnap_All_triggered();
-
-    void on_actionSnap_Horizontal_triggered();
-
-    void on_actionSnap_Vertical_triggered();
-
-    void on_actionContract_Horizontally_triggered();
-
-    void on_actionExpand_Horizontally_triggered();
-
-    void on_actionContract_Vertically_triggered();
-
-    void on_actionExpand_Vertically_triggered();
-
-    void on_actionFrame_Horizontally_triggered();
-
-    void on_actionFrame_Vertically_triggered();
-
-    void on_actionFrame_All_triggered();
-
-    void on_spinBoxLocation_valueChanged(double value);
-
-    void on_spinBoxValue_valueChanged(double value);
-
-    void on_btnColor_clicked();
-
-    void on_btnColorTex_clicked();
-
-    void on_btnColorReload_clicked();
-
-    void on_btnColorClear_clicked();
-
-    void on_btnAlpha_clicked();
-
-    void on_btnAlphaTex_clicked();
-
-    void on_btnAlphaReload_clicked();
-
-    void on_btnAlphaClear_clicked();
-
-    void on_checkBoxUseAlphaChannellFromColor_stateChanged(int val);
-
-    void on_treeWidgetCurveAttributes_itemSelectionChanged();
-
-    void on_treeWidgetColorAttributes_itemSelectionChanged();
-
-    void on_tabWidgetAttributes_currentChanged(int index);
-
-    void on_sliderColorFallOff_sliderMoved(int value);
-
-    void on_sliderAlphaFallOff_sliderMoved(int value);
-
-    void on_actionAdd_Control_Point_By_Click_triggered(bool val);
-
-    void on_actionRemove_Control_Point_By_Click_triggered(bool val);
-
-    /////////////////////////slots for inside signals//////////////////////////////////////////////////////
-    void onCurvePickedControlPointChanged(const std::vector<CurveEntity*>& pickedCurves);
-
-    void onCurvePickedControlPointValueChanged(QPointF& value);
-
-    void onColorPickedControlPointChanged(bool isColorCtrlPnt);
-
-private:
-    class CurveAttributeTreeItem : public QTreeWidgetItem
-    {
-    public:
-        explicit CurveAttributeTreeItem(QTreeWidget *view, CurveAttributeBase* attribute)
-            : QTreeWidgetItem(view)
-            , _attribute(attribute)
-        {
-
-        }
-        explicit CurveAttributeTreeItem(QTreeWidgetItem *parent, CurveAttributeBase* attribute)
-            : QTreeWidgetItem(parent)
-            , _attribute(attribute)
-        {
-
-        }
-
-        CurveAttributeBase* _attribute;
-    };
-
-    class ColorAttributeTreeItem : public QTreeWidgetItem
-    {
-    public:
-        explicit ColorAttributeTreeItem(QTreeWidget *view, ColorAttribute* attribute)
-            : QTreeWidgetItem(view)
-            , _attribute(attribute)
-        {
-
-        }
-
-        ColorAttribute* _attribute;
-    };
-
-private:
-    void _fillCurveAttributesTree();
-    void _fillColorAttributesTree();
-    void _syncUIStatusWithSelectedAttribute(bool canAddRemoveControlPoint, bool canChangeTangentType);
-    void _setCurveExclusiveUIEnable(bool enable);
-    void _setColorUIEnable(bool enable);
-    void _setAlphaUIEnable(bool enable);
-    void _saveAttributeGroup(QDomElement& parentElm, CurveAttributeGroup* attributeGroup);
-    void _saveAttribute(QDomElement& parentElm, CurveAttribute* attribute);
-    void _saveAttribute(QDomElement& parentElm, ColorAttribute* attribute);
-    void _saveCurve(QDomElement& parentElm, Curve& curve);
-    void _saveCurve(QDomElement& parentElm, ColorCurve& curve, const QString& curveName);
-    void _saveCtrlPnt(QDomElement& parentElm, const ControlPoint& ctrlPnt);
-    void _saveCtrlPnt(QDomElement& parentElm, const ColorControlPoint& ctrlPnt);
-    CurveAttributeBase* _loadAttribute(QDomElement& elm);
-    void _loadCurve(QDomElement& elm, Curve& curve);
-    void _loadCurve(QDomElement& elm, ColorCurve& curve);
-    void _loadCtrlPnt(QDomElement& elm, ControlPoint& ctrlPnt);
-    void _loadCtrlPnt(QDomElement& elm, ColorControlPoint& ctrlPnt);
-
-    void _setTangentTypeUIStatus(bool enable);
-    void _setAddRemoveCtrlPntUIStatus(bool enable);
-
-    Ui::CurveEditorMainWindow*          ui;
-    std::vector<CurveAttributeBase*>    _curveAttributes;
-    std::vector<ColorAttribute*>        _colorAttributes;
-    CurveWidget*                        _curveWidget;
-    ColorWidget*                        _colorWidget;
-    CurveAttribute*                     _curveAttributeCache; // for copy operation of curve attribute
-    ColorAttribute*                     _colorAttributeCache; // for copy operation of color attribute
-    bool                                _updateUIFromData;
-    bool                                _canMoveCurveControlPointHorizontally;
-    bool                                _canAddRemoveCurveControlPoint;
-    bool                                _canChangeCurveTangentType;
-    QString                             _lastFilePath;
-    QString                             _presetPath;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // CURVEEDITOR_H
diff --git a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.cpp b/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.cpp
deleted file mode 100644
index 9aa42bd..0000000
--- a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.cpp
+++ /dev/null
@@ -1,342 +0,0 @@
-#include "CurveEditorTestApp.h"
-#include "ui_CurveEditorTestApp.h"
-#include "CurveEditorMainWindow.h"
-#include <QtCore/QDebug>
-
-CurveEditorTestApp::CurveEditorTestApp(QWidget *parent, Qt::WindowFlags flags)
-    : QWidget(parent, flags)
-	, ui(new Ui::CurveEditorTestAppClass())
-	, _curveEditor(new CurveEditorMainWindow(this))
-{
-    ui->setupUi(this);
-
-	bool val = connect(_curveEditor, SIGNAL(CurveAttributeChanged(nvidia::CurveEditor::CurveAttribute*)), this, SLOT(onCurveAttributeChanged(nvidia::CurveEditor::CurveAttribute*)));
-    val = connect(_curveEditor, SIGNAL(ColorAttributeChanged(nvidia::CurveEditor::ColorAttribute*)), this, SLOT(onColorAttributeChanged(nvidia::CurveEditor::ColorAttribute*)) );
-    val = connect(_curveEditor, SIGNAL(ReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute*, bool, int)), this, SLOT(onReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute*, bool, int)) );
-
-    _curveEditor->hide();
-
-    _fillCurveAttributes();
-    _fillColorAttributes();
-}
-
-CurveEditorTestApp::~CurveEditorTestApp()
-{
-
-}
-
-void CurveEditorTestApp::on_btnCurveEditor_clicked(void)
-{
-    _curveEditor->show();
-}
-
-void CurveEditorTestApp::onCurveAttributeChanged(CurveAttribute* attribute)
-{
-    if (attribute)
-    {
-        qDebug()<<"-------------------------onCurveAttributeChanged---------------------------------";
-        qDebug()<< attribute->getName().c_str() <<": changed";
-
-        size_t count = attribute->curve.getControlPointCount();
-        for (int i = 0; i < count; ++i)
-        {
-            const ControlPoint& ctrlPnt = attribute->curve.getControlPoint(i);
-            if (attribute->getName() == "Y" && i == 9 && ctrlPnt.value.y() > 2.5)
-            {
-                int j = 0;
-                ++j;
-            }
-            qDebug()<< ctrlPnt.value;
-        }
-    }
-}
-
-void CurveEditorTestApp::onColorAttributeChanged(ColorAttribute* attribute)
-{
-    if (attribute)
-    {
-        qDebug()<<"----------------------------------------------------------";
-        qDebug()<< attribute->getName().c_str() <<": changed";
-    }
-}
-
-void CurveEditorTestApp::onReloadColorAttributeTexture(ColorAttribute* attribute, bool reloadColorTex, int selectedCtrlPntIndex)
-{
-    if (attribute)
-    {
-        qDebug()<<"----------------------------------------------------------";
-        qDebug()<< attribute->getName().c_str() <<": reloadColorTex" << reloadColorTex<< " selectedCtrlPntIndex: "<< selectedCtrlPntIndex;
-    }
-}
-
-void CurveEditorTestApp::_fillCurveAttributes()
-{
-    {
-        std::vector<CurveAttributeBase*>   attributes;
-
-        CurveAttributeGroup* attrGroup = new CurveAttributeGroup("Position");
-        attributes.push_back(attrGroup);
-
-        CurveAttribute* attribute = new CurveAttribute("X", false, true, true);
-        //attribute->color = QColor(0x11, 0x22, 0x33, 0x44);//
-        attribute->color = QColor("#FF0000");
-        attrGroup->attributes.push_back(attribute);
-
-        {
-            Curve& curve = attribute->curve;
-            curve.initValueRange(QPointF(-1, 0), QPointF(6, 1));
-            curve.appendControlPoint(ControlPoint(-1, 1, eDiscret));
-            curve.appendControlPoint(ControlPoint(0, 0, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(0.25, 0.5, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(0.5, 0, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(0.75, 0.5, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(1, 0, eCatmullRomSpline));
-            {
-                BezierSplineData splineData;
-                splineData.inLen = 0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(2, 1, eBezierSpline, splineData));
-                splineData.inLen = 0.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(3, 0, eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(4, 1, eBezierSpline, splineData));
-            }
-            curve.appendControlPoint(ControlPoint(5, 0, eLinear));
-            curve.appendControlPoint(ControlPoint(6, 1, eLinear));
-        }
-
-        attribute = new CurveAttribute("Y", true);
-        attribute->color = QColor("#FFFF00");
-        attrGroup->attributes.push_back(attribute);
-        {
-            Curve& curve = attribute->curve;
-            curve.initValueRange(QPointF(-2, 0), QPointF(8, 2));
-            curve.appendControlPoint(ControlPoint(-2, 2, eDiscret));
-            curve.appendControlPoint(ControlPoint(1, 0, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(1.25, 0.5, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(1.5, 0, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(1.75, 0.5, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(2, 0, eCatmullRomSpline));
-            {
-                BezierSplineData splineData;
-                splineData.inLen = 0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(3, 1, eBezierSpline, splineData));
-                splineData.inLen = 0.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(4, 0, eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(5, 1, eBezierSpline, splineData));
-            }
-            curve.appendControlPoint(ControlPoint(6, 0, eLinear));
-            curve.appendControlPoint(ControlPoint(8, 2, eLinear));
-        }
-
-        attribute = new CurveAttribute("Z", true);
-        attribute->color = QColor("#00FF00");
-        attrGroup->attributes.push_back(attribute);
-        {
-            Curve& curve = attribute->curve;
-            curve.initValueRange(QPointF(-2, 0), QPointF(8, 4));
-            curve.appendControlPoint(ControlPoint(-2, 2, eDiscret));
-            curve.appendControlPoint(ControlPoint(1, 0, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(1.5, 4, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(1.75, 0.5, eCatmullRomSpline));
-            curve.appendControlPoint(ControlPoint(2, 1, eCatmullRomSpline));
-            {
-                BezierSplineData splineData;
-                splineData.inLen = 0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(3, 3, eBezierSpline, splineData));
-                splineData.inLen = 0.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(4, 0, eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(5, 2, eBezierSpline, splineData));
-            }
-            curve.appendControlPoint(ControlPoint(6, 0, eLinear));
-            curve.appendControlPoint(ControlPoint(8, 4, eLinear));
-        }
-
-        attribute = new CurveAttribute("AddRemove_ChangeTangent", true, true, true);
-
-        attributes.push_back(attribute);
-
-        {
-            Curve& curve = attribute->curve;
-            curve.initValueRange(QPointF(-1, 0), QPointF(4, 255));
-            curve.appendControlPoint(ControlPoint(-1, 0, eLinear));
-            {
-                BezierSplineData splineData;
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ControlPoint(4, 255, eBezierSpline, splineData));
-            }
-        }
-
-        
-        _curveAttributes = attributes;
-        _curveEditor->setCurveAttributes(_curveAttributes);
-    }
-}
-
-void CurveEditorTestApp::_fillColorAttributes()
-{
-    {
-        std::vector<ColorAttribute*>   attributes;
-
-        ColorAttribute* attribute = new ColorAttribute("Hair Color");
-        attributes.push_back(attribute);
-
-        {
-            ColorCurve& colorCurve = attribute->colorCurve;
-            colorCurve.initValueRange(0, 1);
-            ColorCurve& alphaCurve = attribute->alphaCurve;
-            alphaCurve.initValueRange(0, 1);
-
-            colorCurve.appendControlPoint(ColorControlPoint(0, QColor(255, 0, 0, 255), eLinear));
-            colorCurve.appendControlPoint(ColorControlPoint(1, QColor(0, 255, 0, 255), eLinear));
-
-            alphaCurve.appendControlPoint(ColorControlPoint(0, QColor(0, 0, 0, 0), eLinear));
-            alphaCurve.appendControlPoint(ColorControlPoint(1, QColor(0, 0, 0, 255), eLinear));
-        }
-
-        attribute = new ColorAttribute("XColor", true, true, true);
-        //attribute->color = QColor(0x11, 0x22, 0x33, 0x44);//
-        attributes.push_back(attribute);
-
-        {
-            ColorCurve& curve = attribute->colorCurve;
-            curve.initValueRange(-1, 6);
-            curve.appendControlPoint(ColorControlPoint(-1, QColor(255, 0, 0, 0), eDiscret));
-            curve.appendControlPoint(ColorControlPoint(0, QColor(0, 255, 0, 255), eCatmullRomSpline));
-            curve.appendControlPoint(ColorControlPoint(0.25, QColor(128, 0, 255, 128), eCatmullRomSpline));
-            curve.appendControlPoint(ColorControlPoint(0.5, QColor(255, 0, 0, 255), eCatmullRomSpline));
-            curve.appendControlPoint(ColorControlPoint(0.75, QColor(0, 255, 0, 128), eCatmullRomSpline));
-            curve.appendControlPoint(ColorControlPoint(1, QColor(0, 0, 255, 0), eCatmullRomSpline));
-            {
-                BezierSplineData splineData;
-                splineData.inLen = 0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ColorControlPoint(2, QColor(255, 0, 0, 255), eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ColorControlPoint(3, QColor(0, 255, 0, 128), eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                curve.appendControlPoint(ColorControlPoint(4, QColor(0, 0, 255, 0), eBezierSpline, splineData));
-            }
-            curve.appendControlPoint(ColorControlPoint(5, QColor(255, 0, 0, 255), eLinear));
-            curve.appendControlPoint(ColorControlPoint(6, QColor(0, 255, 0, 128), eLinear));
-        }
-
-        attribute = new ColorAttribute("Color_NoAddRemove_NotChangeTangent", true, false, false);
-
-        attributes.push_back(attribute);
-
-        {
-            ColorCurve& colorCurve = attribute->colorCurve;
-            colorCurve.initValueRange(-1, 4);
-            colorCurve.appendControlPoint(ColorControlPoint(-1, QColor(255, 0, 0, 0), eLinear));
-            colorCurve.appendControlPoint(ColorControlPoint(0, QColor(0, 255, 0, 255), eLinear));
-            colorCurve.appendControlPoint(ColorControlPoint(0.5, QColor(0, 0, 255, 255), eLinear));
-            colorCurve.appendControlPoint(ColorControlPoint(1, QColor(255, 0, 0, 0), eLinear));
-            {
-                BezierSplineData splineData;
-                splineData.inLen = 0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                colorCurve.appendControlPoint(ColorControlPoint(2, QColor(0, 255, 0, 255), eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                colorCurve.appendControlPoint(ColorControlPoint(3, QColor(0, 0, 255, 128), eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                colorCurve.appendControlPoint(ColorControlPoint(4, QColor(255, 0, 0, 0), eBezierSpline, splineData));
-            }
-
-            ColorCurve& alphaCurve = attribute->alphaCurve;
-            alphaCurve.initValueRange(-1, 4);
-            alphaCurve.appendControlPoint(ColorControlPoint(-1, QColor(0, 0, 0, 0), eDiscret));
-            alphaCurve.appendControlPoint(ColorControlPoint(1, QColor(0, 0, 0, 255), eLinear));
-            alphaCurve.appendControlPoint(ColorControlPoint(2, QColor(0, 0, 0, 80), eLinear));
-            alphaCurve.appendControlPoint(ColorControlPoint(4, QColor(0, 0, 0, 255), eLinear));
-        }
-
-        attribute = new ColorAttribute("Color_AddRemove_ChangeTangent", true, true, true);
-
-        attributes.push_back(attribute);
-
-        {
-            ColorCurve& colorCurve = attribute->colorCurve;
-            colorCurve.initValueRange(-1, 4);
-            colorCurve.appendControlPoint(ColorControlPoint(-1, QColor(255, 0, 0, 0), eLinear));
-            //colorCurve.appendControlPoint(ColorControlPoint(0, QColor(0, 255, 0, 255), eLinear));
-            //colorCurve.appendControlPoint(ColorControlPoint(0.5, QColor(0, 0, 255, 255), eLinear));
-            //colorCurve.appendControlPoint(ColorControlPoint(1, QColor(255, 0, 0, 0), eLinear));
-            {
-                BezierSplineData splineData;
-                //splineData.inLen = 0;
-                //splineData.inTan = 0;
-                //splineData.outLen = 1.0;
-                //splineData.outTan = 0;
-                //colorCurve.appendControlPoint(ColorControlPoint(2, QColor(0, 255, 0, 255), eBezierSpline, splineData));
-                //splineData.inLen = 1.0;
-                //splineData.inTan = 0;
-                //splineData.outLen = 1.0;
-                //splineData.outTan = 0;
-                //colorCurve.appendControlPoint(ColorControlPoint(3, QColor(0, 0, 255, 128), eBezierSpline, splineData));
-                splineData.inLen = 1.0;
-                splineData.inTan = 0;
-                splineData.outLen = 1.0;
-                splineData.outTan = 0;
-                colorCurve.appendControlPoint(ColorControlPoint(4, QColor(0, 255, 0, 0), eBezierSpline, splineData));
-            }
-
-            ColorCurve& alphaCurve = attribute->alphaCurve;
-            alphaCurve.initValueRange(-1, 4);
-            alphaCurve.appendControlPoint(ColorControlPoint(-1, QColor(0, 0, 0, 0), eDiscret));
-            //alphaCurve.appendControlPoint(ColorControlPoint(1, QColor(0, 0, 0, 255), eLinear));
-            //alphaCurve.appendControlPoint(ColorControlPoint(2, QColor(0, 0, 0, 80), eLinear));
-            alphaCurve.appendControlPoint(ColorControlPoint(4, QColor(0, 0, 0, 255), eLinear));
-        }
-
-        _colorAttributes = attributes;
-        _curveEditor->setColorCurveAttributes(_colorAttributes);
-    }
-}
diff --git a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.h b/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.h
deleted file mode 100644
index ed68141..0000000
--- a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.h
+++ /dev/null
@@ -1,49 +0,0 @@
-#ifndef GRAPHEDITORTESTAPP_H
-#define GRAPHEDITORTESTAPP_H
-
-#include <QtWidgets/QWidget>
-
-namespace nvidia {
-namespace CurveEditor {
-
-class CurveEditorMainWindow;
-class CurveAttributeBase;
-class CurveAttribute;
-class ColorAttribute;
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-using namespace nvidia::CurveEditor;
- 
-namespace Ui
-{
-    class CurveEditorTestAppClass;
-}
-
-class CurveEditorTestApp : public QWidget
-{
-    Q_OBJECT
-
-public:
-    CurveEditorTestApp(QWidget *parent = 0, Qt::WindowFlags flags = 0);
-    ~CurveEditorTestApp();
-
-private slots:
-	void on_btnCurveEditor_clicked(void);
-    void onCurveAttributeChanged(nvidia::CurveEditor::CurveAttribute* attribute);
-    void onColorAttributeChanged(nvidia::CurveEditor::ColorAttribute* attribute);
-    void onReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute* attribute, bool reloadColorTex, int selectedCtrlPntIndex);
-
-private:
-    void _fillCurveAttributes();
-    void _fillColorAttributes();
-
-private:
-    Ui::CurveEditorTestAppClass*        ui;
-	CurveEditorMainWindow*				_curveEditor;
-    std::vector<CurveAttributeBase*>    _curveAttributes;
-    std::vector<ColorAttribute*>        _colorAttributes;
-};
-
-#endif // GRAPHEDITORTESTAPP_H
diff --git a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.qrc b/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.qrc
deleted file mode 100644
index 7537c0c..0000000
--- a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.qrc
+++ /dev/null
@@ -1,4 +0,0 @@
-<RCC>
-    <qresource prefix="CurveEditorTestApp">
-    </qresource>
-</RCC>
diff --git a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.ui b/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.ui
deleted file mode 100644
index 67df7d7..0000000
--- a/tools/CurveEditor/source/GraphEditorTestApp/CurveEditorTestApp.ui
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>CurveEditorTestAppClass</class>
- <widget class="QWidget" name="CurveEditorTestAppClass">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>400</width>
-    <height>300</height>
-   </rect>
-  </property>
-  <property name="windowTitle">
-   <string>CurveEditorTestApp</string>
-  </property>
-  <widget class="QPushButton" name="btnCurveEditor">
-   <property name="geometry">
-    <rect>
-     <x>160</x>
-     <y>120</y>
-     <width>75</width>
-     <height>23</height>
-    </rect>
-   </property>
-   <property name="text">
-    <string>Curve Editor</string>
-   </property>
-  </widget>
- </widget>
- <layoutdefault spacing="6" margin="11"/>
- <resources>
-  <include location="CurveEditorTestApp.qrc"/>
- </resources>
- <connections/>
-</ui>
diff --git a/tools/CurveEditor/source/GraphEditorTestApp/main.cpp b/tools/CurveEditor/source/GraphEditorTestApp/main.cpp
deleted file mode 100644
index ecc3a75..0000000
--- a/tools/CurveEditor/source/GraphEditorTestApp/main.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-#include "CurveEditorTestApp.h"
-#include <QtWidgets/QApplication>
-
-int main(int argc, char *argv[])
-{
-    QApplication a(argc, argv);
-    CurveEditorTestApp w;
-    w.show();
-    return a.exec();
-}
diff --git a/tools/CurveEditor/source/Internal/Curve/BezierSpline.cpp b/tools/CurveEditor/source/Internal/Curve/BezierSpline.cpp
deleted file mode 100644
index 03ab848..0000000
--- a/tools/CurveEditor/source/Internal/Curve/BezierSpline.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-#include "BezierSpline.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-std::vector<QPointF> BezierSpline::sample(const std::vector<BezierSplinePoint>& splinePoints, long segmentCount)
-{
-    std::vector<QPointF> samplePoints;
-
-    if (segmentCount < 1)
-        return samplePoints;
-
-    long  lPointCount = (long)splinePoints.size();
-    float fLengthStep = 1.0 / segmentCount;
-    float ft;
-    QPointF p0;
-    QPointF p1;
-    QPointF p2;
-    QPointF p3;
-    QPointF p01;
-    QPointF p11;
-    QPointF p21;
-    QPointF p02;
-    QPointF p12;
-    QPointF p03;
-
-    for (int i = 1; i < lPointCount; i++)
-    {
-        const BezierSplinePoint& pt1 = splinePoints[i - 1];
-        const BezierSplinePoint& pt2 = splinePoints[i];
-
-        // start point of each Bezier curve segment
-        samplePoints.push_back(pt1.valuePoint);
-
-        // sample each point on each Bezier curve segment by percent value and De Casteljau algorithm
-        // the sample points are not including start point and end poit of the Bezier curve segement
-        for (int j = 1; j < segmentCount; j++)
-        {
-            ft = fLengthStep * j;
-
-            p0 = pt1.valuePoint;
-            p1 = pt1.ctrlPoint1;
-            p2 = pt2.ctrlPoint0;
-            p3 = pt2.valuePoint;
-
-            p01 = p0 + (p1 - p0) * ft;
-            p11 = p1 + (p2 - p1) * ft;
-            p21 = p2 + (p3 - p2) * ft;
-
-            p02 = p01 + (p11 - p01) * ft;\
-            p12 = p11 + (p21 - p11) * ft;
-            p03 = p02 + (p12 - p02) * ft;
-
-            samplePoints.push_back(p03);
-        }
-
-        if (i == lPointCount - 1)
-        {// end point of last Bezier curve segment
-            samplePoints.push_back(pt2.valuePoint);
-        }
-    }
-    return samplePoints;
-}
-
-BezierSpline::BezierSpline(long segmentCount)
-    : Spline(segmentCount)
-    , _controlPoints()
-{
-}
-
-bool BezierSpline::getControlPoint(int index, BezierSplinePoint &pt)
-{
-    long lPointCount = (long)_controlPoints.size();
-
-    if (lPointCount == 0)
-    {
-        return false;
-    }
-
-    index = index < 0 ? 0 : (index >= lPointCount ? lPointCount - 1: index);
-
-    pt = _controlPoints[index];
-
-    return true;
-}
-
-void BezierSpline::appendControlPoint(BezierSplinePoint pt)
-{
-    _controlPoints.push_back(pt);
-
-    _needSample = true;
-}
-
-void BezierSpline::insertControlPoint(int index, BezierSplinePoint pt)
-{
-    long lPointCount = (long)_controlPoints.size();
-
-    index = index < 0 ? 0 : (index >= lPointCount ? lPointCount: index);
-
-    _controlPoints.insert(_controlPoints.begin() + index, pt);
-
-    _needSample = true;
-}
-
-bool BezierSpline::setControlPoint(int index, BezierSplinePoint pt)
-{
-    long lPointCount = (long)_controlPoints.size();
-
-    if (0 <= index && index < lPointCount)
-    {
-        _controlPoints[index] = pt;
-        _needSample = true;
-        return true;
-    }
-    else
-    {
-        return false;
-    }
-}
-
-bool BezierSpline::removeControlPoint(int index)
-{
-    long lPointCount = (long)_controlPoints.size();
-
-    if (0 <= index && index < lPointCount)
-    {
-        _controlPoints.erase(_controlPoints.begin() + index);
-        _needSample = true;
-        return true;
-    }
-    else
-    {
-        return false;
-    }
-}
-
-void BezierSpline::_doSample()
-{
-    _samplePoints = sample(_controlPoints, _segmentCount);
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Curve/BezierSpline.h b/tools/CurveEditor/source/Internal/Curve/BezierSpline.h
deleted file mode 100644
index ba5da46..0000000
--- a/tools/CurveEditor/source/Internal/Curve/BezierSpline.h
+++ /dev/null
@@ -1,57 +0,0 @@
-#ifndef BEZIERSPLINE_H
-#define BEZIERSPLINE_H
-#include <vector>
-#include <QtCore/QPointF>
-#include "Spline.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-class BezierSplinePoint
-{
-public:
-    QPointF ctrlPoint0;
-    QPointF valuePoint;
-    QPointF ctrlPoint1;
-};
-
-class BezierSpline : public Spline
-{ 
-public:
-    static std::vector<QPointF> sample(const std::vector<BezierSplinePoint>& splinePoints, long segmentCount = 100);
-
-    BezierSpline(long segmentCount = 100);
-
-    virtual ~BezierSpline() {}
-
-    inline long getControlPointCount() {   return (long)_controlPoints.size();  }
-
-    // index <= 0, return the first point;
-    // index >= point count, return the last point.
-    bool getControlPoint(int index, BezierSplinePoint &pt);
-
-    // add a spline point to last
-    void appendControlPoint(BezierSplinePoint pt);
-
-    // insert a spline point at the identified position.
-    // index <= 0, inert to fisrt;
-    // index >= point count, insert to last.
-    void insertControlPoint(int index, BezierSplinePoint pt);
-
-    // change a spline point value at the identified position.
-    bool setControlPoint(int index, BezierSplinePoint pt);
-
-    // remove the identified spline point.
-    bool removeControlPoint(int index);
-
-private:
-    virtual void _doSample();
-
-private:
-    std::vector<BezierSplinePoint>  _controlPoints;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // BEZIERSPLINE_H
diff --git a/tools/CurveEditor/source/Internal/Curve/CatmullRomSpline.cpp b/tools/CurveEditor/source/Internal/Curve/CatmullRomSpline.cpp
deleted file mode 100644
index abe80bb..0000000
--- a/tools/CurveEditor/source/Internal/Curve/CatmullRomSpline.cpp
+++ /dev/null
@@ -1,205 +0,0 @@
-#include "CatmullRomSpline.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-float CatmullRomSpline::splineInterpolate(float v0, float v1, float v2, float v3, float u)
-{
-    float basis[4];
-
-    {
-        _computeSplineBasis(u, basis);
-        return
-            basis[0] * v0 + 
-            basis[1] * v1 +
-            basis[2] * v2 +
-            basis[3] * v3;
-    }
-}
-
-QPointF CatmullRomSpline::splineInterpolate(const QPointF& p0, const QPointF& p1, const QPointF& p2, const QPointF& p3, float u)
-{
-    float basis[4];
-
-    {
-        _computeSplineBasis(u, basis);
-        return
-            QPointF(basis[0] * p0.x() + 
-                    basis[1] * p1.x() +
-                    basis[2] * p2.x() +
-                    basis[3] * p3.x(),
-                    basis[0] * p0.y() + 
-                    basis[1] * p1.y() +
-                    basis[2] * p2.y() +
-                    basis[3] * p3.y());
-    }
-}
-
-std::vector<QPointF> CatmullRomSpline::sample(const std::vector<QPointF>& inControlPoints, int numSegments)
-{
-    std::vector<QPointF> samplePoints;
-    int numPoints = (int)inControlPoints.size();
-
-    for (int i = 0; i < numPoints - 1; i++)
-    {
-        QPointF p0, p1, p2, p3;
-
-        if (i == 0)
-        {
-            p0 = inControlPoints[0], p1 = inControlPoints[0], p2 = inControlPoints[1];
-            if (2 < numPoints)
-                p3 = inControlPoints[2];
-            else
-                p3 = inControlPoints[1];
-
-        }
-        else if (0 < i && i < numPoints - 2)
-        {
-            p0 = inControlPoints[i-1], p1 = inControlPoints[i], p2 = inControlPoints[i+1], p3 = inControlPoints[i+2];
-        }
-        else
-        {
-            if (2 < numPoints)
-                p0 = inControlPoints[i-1];
-            else
-                p0 = inControlPoints[i];
-            p1 = inControlPoints[i], p2 = inControlPoints[i+1], p3 = inControlPoints[i+1];
-        }
-
-        for (int j = 0; j <= numSegments; j++)
-        {
-            float u = j / float(numSegments);
-
-            samplePoints.push_back(splineInterpolate(p0, p1, p2, p3, u));
-        }
-    }
-
-    return samplePoints;
-}
-
-void CatmullRomSpline::_computeSplineBasis(float u, float* basis)
-{
-    float u2 = u * u;
-    float u3 = u2 * u;
-
-    basis[0] = -0.5f * u3 + 1.0f * u2 - 0.5f * u + 0.0f;
-    basis[1] = 1.5f  * u3 - 2.5f * u2 + 0.0f * u + 1.0f;
-    basis[2] = -1.5f * u3 + 2.0f * u2 + 0.5f * u + 0.0f;
-    basis[3] = 0.5f  * u3 - 0.5f * u2 + 0.0f * u + 0.0f;
-}
-
-CatmullRomSpline::CatmullRomSpline(long segmentCount)
-    : Spline(segmentCount)
-    , _controlPoints()
-{
-    _segmentCount = segmentCount < 1 ? 1 : segmentCount;
-}
-
-CatmullRomSpline::CatmullRomSpline(int numControlPoints, long segmentCount)
-    : Spline(segmentCount)
-    , _controlPoints()
-{
-    for (int i = 0; i < numControlPoints; ++i)
-    {
-        _controlPoints.push_back(QPointF(i / float(numControlPoints - 1), 1.0f));
-    }
-}
-
-CatmullRomSpline::~CatmullRomSpline(void)
-{
-}
-
-void CatmullRomSpline::setControlPoint(int index, const QPointF& point)
-{
-    std::vector<QPointF>::iterator itr = _controlPoints.begin();
-    std::advance(itr, index);
-    *itr = point;
-}
-
-QPointF CatmullRomSpline::getControlPoint(int index)
-{
-    std::vector<QPointF>::iterator itr = _controlPoints.begin();
-    std::advance(itr, index);
-    return *itr;
-}
-
-std::vector<QPointF> CatmullRomSpline::getControlPoints()
-{
-    return _controlPoints;
-}
-
-void CatmullRomSpline::reset(void)
-{
-    int i = 0;
-    for (std::vector<QPointF>::iterator itr = _controlPoints.begin(); itr != _controlPoints.end(); ++itr, ++i)
-    {
-        itr->setX(i / float(_controlPoints.size() - 1));
-        itr->setY(1.0f);
-    }
-}
-
-void CatmullRomSpline::insertControlPointAt(int index)
-{
-    QPointF p0, p1, p2, p3;
-
-    QPointF newPoint;
-    std::vector<QPointF>::iterator itr = _controlPoints.begin();
-
-    if (index == 0)
-    {
-        return;
-    }
-    else if (index == 1)
-    {
-        p0 = _controlPoints[0], p1 = _controlPoints[0], p2 = _controlPoints[1];
-        if (_controlPoints.size() > 2)
-            p3 = _controlPoints[2];
-        else
-            p3 = _controlPoints[1];
-        newPoint = splineInterpolate(p0, p1, p2, p3, 0.5);
-    }
-    else if (index > (int)(_controlPoints.size() - 1))
-    {
-        return;
-    }
-    else if (index == (_controlPoints.size() - 1))
-    {
-        if (_controlPoints.size() > 2)
-            p0 = _controlPoints[index-2];
-        else
-            p0 = _controlPoints[index-1];
-        p1 = _controlPoints[index-1], p2 = _controlPoints[index], p3 = _controlPoints[index];
-        newPoint = splineInterpolate(p0, p1, p2, p3, 0.5);
-    }
-    else
-    {
-        p0 = _controlPoints[index - 2], p1 = _controlPoints[index - 1], p2 = _controlPoints[index], p3 = _controlPoints[index + 1];
-        newPoint = splineInterpolate(p0, p1, p2, p3, 0.5);
-    }
-
-    std::advance(itr, index);
-    _controlPoints.insert(itr, newPoint);
-}
-
-void CatmullRomSpline::removeControlPoints(std::vector<int>& points)
-{
-    for (std::vector<int>::iterator itr = points.begin(); itr != points.end(); ++itr)
-    {
-        std::vector<QPointF>::iterator itrToRemove = _controlPoints.begin();
-        std::advance(itrToRemove, *itr);
-        _controlPoints.erase(itrToRemove);
-
-        for (std::vector<int>::iterator itrRight = itr + 1; itrRight != points.end(); ++itrRight)
-        {
-            --(*itrRight);
-        }
-    }
-}
-
-void CatmullRomSpline::_doSample()
-{
-    _samplePoints = sample(_controlPoints, _segmentCount);
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Curve/CatmullRomSpline.h b/tools/CurveEditor/source/Internal/Curve/CatmullRomSpline.h
deleted file mode 100644
index 71573a9..0000000
--- a/tools/CurveEditor/source/Internal/Curve/CatmullRomSpline.h
+++ /dev/null
@@ -1,44 +0,0 @@
-#ifndef CatmullRomSpline_h__
-#define CatmullRomSpline_h__
-
-#include <QtCore/QPoint>
-#include <vector>
-#include "Spline.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-class CatmullRomSpline : public Spline
-{
-public:
-    static float splineInterpolate(float v0, float v1, float v2, float v3, float u);
-    static QPointF splineInterpolate(const QPointF& p0, const QPointF& p1, const QPointF& p2, const QPointF& p3, float u);
-    static std::vector<QPointF> sample(const std::vector<QPointF>& inControlPoints, int numSegments = 100);
-private:
-    static void _computeSplineBasis(float u, float* basis);
-
-public:
-    CatmullRomSpline(long segmentCount = 100);
-    CatmullRomSpline(int numControlPoints, long segmentCount = 100);
-    virtual ~CatmullRomSpline(void);
-
-    int getControlPointCount()  {   return (int)_controlPoints.size(); }
-    // add a spline point to last
-    void appendControlPoint(QPointF point) { _controlPoints.push_back(point); }
-    void setControlPoint(int index, const QPointF& point);
-    QPointF getControlPoint(int index);
-    std::vector<QPointF> getControlPoints();
-    void reset(void);
-    void insertControlPointAt(int index);
-    void removeControlPoints(std::vector<int>& points);
-
-private:
-    virtual void _doSample();
-private:
-    std::vector<QPointF>         _controlPoints;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // CatmullRomSpline_h__
diff --git a/tools/CurveEditor/source/Internal/Curve/Curve.cpp b/tools/CurveEditor/source/Internal/Curve/Curve.cpp
deleted file mode 100644
index 01d6351..0000000
--- a/tools/CurveEditor/source/Internal/Curve/Curve.cpp
+++ /dev/null
@@ -1,1114 +0,0 @@
-#include "Curve.h"
-#include "BezierSpline.h"
-#include "CatmullRomSpline.h"
-#include <QtCore/QDebug>
-#include <QtWidgets/QMessageBox>
-#include <QtGui/QImage>
-#pragma warning( disable : 4312 )
-#pragma warning( disable : 4996 )
-#include "../../../external/stb_image/stb_image.c"
-
-namespace nvidia {
-namespace CurveEditor {
-
-Curve::Curve(long segmentCount)
-    : _needSample(true)
-    , _initValueRange(false)
-    , _minValue()
-    , _maxValue(1.0f, 1.0f)
-    , _segmentCount(1)
-    , _samplePoints()
-    , _controlPoints()
-    , _defaultControlPoints()
-{
-    _segmentCount = segmentCount < 1 ? 1 : segmentCount;
-}
-
-void Curve::initValueRange(const QPointF& min, const QPointF& max)
-{
-    if (min.x() >= max.x() || min.y() >max.y())
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Max value must be larger than min value when initilize value range of curve"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return ;
-    }
-
-    _minValue = min;
-    _maxValue = max;
-    _initValueRange = true;
-}
-
-QPointF Curve::getMinValue()
-{
-    return _minValue;
-}
-
-QPointF Curve::getMaxValue()
-{
-    return _maxValue;
-}
-
-void Curve::appendControlPoint(ControlPoint& controlPoint, bool asDefaultToo)
-{
-    if (!_initValueRange)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Curve must be initilized its value range before being used!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-
-    if (controlPoint.value.x() < _minValue.x()
-        || controlPoint.value.x() > _maxValue.x()
-        || controlPoint.value.y() < _minValue.y()
-        || controlPoint.value.y() > _maxValue.y())
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("The value of the control point to add isn't in value range of the curve to add!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-
-    _controlPoints.push_back(controlPoint);
-
-    if (asDefaultToo)
-    {
-        _defaultControlPoints.push_back(controlPoint);
-    }
-
-    _needSample = true;
-}
-
-int Curve::appendControlPoint(float x)
-{
-    size_t count = _controlPoints.size();
-    for (int i = 0; i < count - 1; ++i)
-    {
-        ControlPoint& ctrlPntLeft = _controlPoints[i];
-        ControlPoint& ctrlPntRight = _controlPoints[i + 1];
-        if (ctrlPntLeft.value.x() <= x && x <= ctrlPntRight.value.x())
-        {
-            std::vector<ControlPoint>::iterator itr = _controlPoints.begin();
-            std::advance(itr, i+1);
-            ControlPoint pnt(x, getPointByX(x).y(), ctrlPntLeft.mode, ctrlPntLeft.splineData);
-            _controlPoints.insert(itr, pnt);
-            _needSample = true;
-            return i + 1;
-        }
-    }
-
-    return -1;
-}
-
-void Curve::setControlPoint(int index, const ControlPoint& point)
-{
-    if (index < 0 || index > (_controlPoints.size() - 1) )
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Meet invalid index when setting control point for curve!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-
-    if (point.value.x() < _minValue.x()
-        || point.value.x() > _maxValue.x()
-        || point.value.y() < _minValue.y()
-        || point.value.y() > _maxValue.y())
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("The setting value isn't in value range of the curve!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-    std::vector<ControlPoint>::iterator itr = _controlPoints.begin();
-    std::advance(itr, index);
-    *itr = point;
-    _needSample = true;
-}
-
-void Curve::reset(void)
-{
-    if (_defaultControlPoints.size() > 0)
-    {
-        _controlPoints = _defaultControlPoints;
-        _needSample = true;
-    }
-}
-
-void Curve::insertControlPointAt(int index)
-{
-    if (index < 0)
-        index = 0;
-    else if (index > (_controlPoints.size() - 1) )
-        index = (int)(_controlPoints.size() - 1);
-
-    std::vector<ControlPoint>::iterator itrToAdd = _controlPoints.begin();
-    std::advance(itrToAdd, index);
-
-    ControlPoint& ctrlPntFront = _controlPoints[index - 1];
-    ControlPoint& ctrlPntBehind = _controlPoints[index];
-
-    switch (ctrlPntFront.mode)
-    {
-        case eDiscret:
-        {
-            ControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = ctrlPntFront.mode;
-            ctrlPntToAdd.value.setX((ctrlPntFront.value.x() + ctrlPntBehind.value.x()) / 2);
-            ctrlPntToAdd.value.setY(ctrlPntFront.value.y());
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        case eLinear:
-        {
-            ControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = ctrlPntFront.mode;
-            ctrlPntToAdd.value.setX((ctrlPntFront.value.x() + ctrlPntBehind.value.x()) / 2);
-            ctrlPntToAdd.value.setY(ctrlPntFront.value.y() + (ctrlPntBehind.value.y() - ctrlPntFront.value.y()) / 2);
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        case eBezierSpline:
-        {
-            BezierSplinePoint bezierPnt0;
-            BezierSplinePoint bezierPnt1;
-
-            float xStride = ctrlPntBehind.value.x() - ctrlPntFront.value.x();
-            bezierPnt0.ctrlPoint0 = ctrlPntFront.value;
-            bezierPnt0.valuePoint = ctrlPntFront.value;
-            float xDelta = ctrlPntFront.splineData.outLen * xStride;
-            bezierPnt0.ctrlPoint1 = ctrlPntFront.value + QPointF(xDelta, xDelta * ctrlPntFront.splineData.outTan);
-
-            if (eBezierSpline == ctrlPntBehind.mode)
-            {
-                xDelta = ctrlPntBehind.splineData.inLen * xStride;
-                bezierPnt1.ctrlPoint0 = ctrlPntBehind.value - QPointF(xDelta, xDelta * ctrlPntBehind.splineData.inTan);
-                bezierPnt1.valuePoint = ctrlPntBehind.value;
-                bezierPnt1.ctrlPoint1 = ctrlPntBehind.value;
-            }
-            else
-            {
-                bezierPnt1.ctrlPoint0 = ctrlPntBehind.value;
-                bezierPnt1.valuePoint = ctrlPntBehind.value;
-                bezierPnt1.ctrlPoint1 = ctrlPntBehind.value;
-            }
-
-            BezierSpline spline(100);
-            spline.appendControlPoint(bezierPnt0);
-            spline.appendControlPoint(bezierPnt1);
-            QPointF pntOnSpline;
-            spline.getPointByX(ctrlPntFront.value.x() + xStride / 2, pntOnSpline);
-
-            ControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = eBezierSpline;
-            ctrlPntToAdd.value = pntOnSpline;
-            ctrlPntToAdd.splineData.inLen = 1.0;
-            ctrlPntToAdd.splineData.inTan = 0.0;
-            ctrlPntToAdd.splineData.outLen = 1.0;
-            ctrlPntToAdd.splineData.outTan = 0.0;
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        case eCatmullRomSpline:
-        {
-            CatmullRomSpline spline;
-
-            int i = index - 1;
-            for (; i >= 0; --i)
-            {
-                if (eCatmullRomSpline != _controlPoints[i].mode)
-                {
-                    ++i;
-                    break;
-                }
-            }
-
-            if (i < 0)
-                i = 0;
-
-            for (; i < (int)_controlPoints.size(); ++i)
-            {
-                spline.appendControlPoint(_controlPoints[i].value);
-                if (eCatmullRomSpline != _controlPoints[i].mode)
-                    break;
-            }
-
-            QPointF pntOnSpline;
-            spline.getPointByX((ctrlPntFront.value.x() + ctrlPntBehind.value.x()) / 2, pntOnSpline);
-            ControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = eCatmullRomSpline;
-            ctrlPntToAdd.value = pntOnSpline;
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        default:
-            break;
-    }
-
-    _needSample = true;
-}
-
-void Curve::removeControlPoint(int index)
-{
-    std::vector<ControlPoint>::iterator itr = _controlPoints.begin();
-    std::advance(itr, index);
-    _controlPoints.erase(itr);
-    _needSample = true;
-}
-
-void Curve::removeControlPoints(std::vector<int>& indexes)
-{
-    for (std::vector<int>::iterator itr = indexes.begin(); itr != indexes.end(); ++itr)
-    {
-        std::vector<ControlPoint>::iterator itrToRemove = _controlPoints.begin();
-        std::advance(itrToRemove, *itr);
-        _controlPoints.erase(itrToRemove);
-
-        for (std::vector<int>::iterator itrRight = itr + 1; itrRight != indexes.end(); ++itrRight)
-        {
-            --(*itrRight);
-        }
-    }
-
-    _needSample = true;
-}
-
-QPointF Curve::getPointByX(float x)
-{
-    if (!_initValueRange)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Curve must be initilized its value range before being used!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return QPointF(0, 0);
-    }
-
-    if (x < _controlPoints[0].value.x())
-        return _controlPoints[0].value;
-
-    if (x >= _controlPoints[_controlPoints.size() - 1].value.x())
-        return _controlPoints[_controlPoints.size() - 1].value;
-
-    long lPointCount = (long)_samplePoints.size();
-
-    if(lPointCount < 2)
-    {
-        return QPointF(0,0);
-    }
-
-    if (_needSample)
-        _sample();
-
-    QPointF point;
-
-    for (int i = 0; i < lPointCount - 1; i++)
-    {
-        if(_samplePoints[i].x() <= x && _samplePoints[i + 1].x() > x)
-        {
-            point.setX( x );
-            float fRate = (x - _samplePoints[i].x())/ (_samplePoints[i + 1].x() - _samplePoints[i].x());
-            point.setY(_samplePoints[i].y() + (_samplePoints[i+1].y() - _samplePoints[i].y()) * fRate);
-            return point;
-        }
-    }
-
-    return QPointF(0,0);
-}
-
-std::vector<QPointF> Curve::getSamplePoints()
-{
-    if (!_initValueRange)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Curve must be initilized its value range before being used!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return std::vector<QPointF>();
-    }
-
-    if (_needSample)
-        _sample();
-
-    return _samplePoints;
-}
-
-Curve Curve::resampleCurve(int resamplePnts, long segmentCount)
-{
-    if (!_initValueRange)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Curve must be initilized its value range before being used!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return Curve();
-    }
-
-    Curve resmapleCurve(segmentCount);
-    if (resamplePnts < 2)
-        return resmapleCurve;
-    else
-    {
-        int segment = resamplePnts - 1;
-        float xStart = _controlPoints[0].value.x();
-        float xEnd = _controlPoints[_controlPoints.size() - 1].value.x();
-        float strideX = (xEnd - xStart) / segment;
-        for (int i = 0; i <= segment; ++i)
-        {
-            float x = xStart + strideX * i;
-            QPointF pnt = getPointByX(x);
-            ControlPoint& ctrlPntNear = _getNearCtrlPnt(x);
-
-            ControlPoint ctrlPntNew(pnt.x(), pnt.y(), ctrlPntNear.mode);
-
-            if (eBezierSpline == ctrlPntNear.mode)
-            {
-                ctrlPntNew.splineData = ctrlPntNear.splineData;
-            }
-
-            resmapleCurve.appendControlPoint(ctrlPntNew);
-        }
-    }
-
-    return resmapleCurve;
-}
-
-Curve& Curve::operator = (const Curve& right)
-{
-    if (this == &right)
-        return *this;
-
-    _needSample = right._needSample;
-    _initValueRange = right._initValueRange;
-    _minValue = right._minValue;
-    _maxValue = right._maxValue;
-    _segmentCount = right._segmentCount;
-    _samplePoints = right._samplePoints;
-    _controlPoints = right._controlPoints;
-
-    return *this;
-}
-
-void Curve::_sample()
-{
-    _samplePoints.clear();
-
-    for (size_t i = 1; i < _controlPoints.size(); ++i)
-    {
-        ControlPoint& ctrlPntFront = _controlPoints[i-1];
-        ControlPoint& ctrlPntBehind = _controlPoints[i];
-
-        switch (ctrlPntFront.mode)
-        {
-            case eDiscret:
-            {
-                _samplePoints.push_back(ctrlPntFront.value);
-                _samplePoints.push_back(QPointF(ctrlPntBehind.value.x(), ctrlPntFront.value.y()));
-                break;
-            }
-            case eLinear:
-            {
-                _samplePoints.push_back(ctrlPntFront.value);
-                _samplePoints.push_back(ctrlPntBehind.value);
-                break;
-            }
-            case eBezierSpline:
-            {
-                BezierSplinePoint bezierPnt0;
-                BezierSplinePoint bezierPnt1;
-
-                float xStride = ctrlPntBehind.value.x() - ctrlPntFront.value.x();
-                bezierPnt0.ctrlPoint0 = ctrlPntFront.value;
-                bezierPnt0.valuePoint = ctrlPntFront.value;
-                float xDelta = ctrlPntFront.splineData.outLen * xStride;
-                bezierPnt0.ctrlPoint1 = ctrlPntFront.value + QPointF(xDelta, xDelta * ctrlPntFront.splineData.outTan);
-
-                if (eBezierSpline == ctrlPntBehind.mode)
-                {
-                    xDelta = ctrlPntBehind.splineData.inLen * xStride;
-                    bezierPnt1.ctrlPoint0 = ctrlPntBehind.value - QPointF(xDelta, xDelta * ctrlPntBehind.splineData.inTan);
-                    bezierPnt1.valuePoint = ctrlPntBehind.value;
-                    bezierPnt1.ctrlPoint1 = ctrlPntBehind.value;
-                }
-                else
-                {
-                    bezierPnt1.ctrlPoint0 = ctrlPntBehind.value;
-                    bezierPnt1.valuePoint = ctrlPntBehind.value;
-                    bezierPnt1.ctrlPoint1 = ctrlPntBehind.value;
-                }
-
-                BezierSpline spline(_segmentCount);
-                spline.appendControlPoint(bezierPnt0);
-                spline.appendControlPoint(bezierPnt1);
-
-                std::vector<QPointF> pnts = spline.getSamplePoints();
-                _samplePoints.insert(_samplePoints.end(), pnts.begin(), pnts.end());
-                break;
-            }
-            case eCatmullRomSpline:
-            {
-                CatmullRomSpline spline(_segmentCount);
-
-                for (i = i - 1; i < _controlPoints.size(); ++i)
-                {
-                    spline.appendControlPoint(_controlPoints[i].value);
-                    if (eCatmullRomSpline != _controlPoints[i].mode)
-                    {
-                        break;
-                    }
-                }
-
-                std::vector<QPointF> pnts = spline.getSamplePoints();
-                _samplePoints.insert(_samplePoints.end(), pnts.begin(), pnts.end());
-                break;
-            }
-        }
-    }
-
-    _needSample = false;
-}
-
-ControlPoint& Curve::_getNearCtrlPnt(float x)
-{
-    size_t count = _controlPoints.size();
-    for (int i = 0; i < count - 1; ++i)
-    {
-        ControlPoint& ctrlPntLeft = _controlPoints[i];
-        ControlPoint& ctrlPntRight = _controlPoints[i + 1];
-        if (x < ctrlPntLeft.value.x())
-            return ctrlPntLeft;
-        else if (ctrlPntLeft.value.x() <= x && x <= ctrlPntRight.value.x())
-        {
-            if (abs(x - ctrlPntLeft.value.x()) <= abs(x - ctrlPntRight.value.x()))
-            {
-                return ctrlPntLeft;
-            }
-            else
-            {
-                return ctrlPntRight;
-            }
-        }
-    }
-    return _controlPoints[0];
-}
-
-ColorCurve::ColorCurve(long segmentCount)
-    : _needSample(true)
-    , _initValueRange(false)
-    , _minValue(0.0f)
-    , _maxValue(1.0f)
-    , _colorSamplePnts()
-    , _controlPoints()
-    , _defaultControlPoints()
-{
-    _segmentCount = segmentCount < 1 ? 1 : segmentCount;
-}
-
-void ColorCurve::initValueRange(float min, float max)
-{
-    if (min >= max )
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Max x must be larger than min x when initilize value range of color curve"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return ;
-    }
-
-    _minValue = min;
-    _maxValue = max;
-    _initValueRange = true;
-}
-
-float ColorCurve::getMinValue()
-{
-    return _minValue;
-}
-
-float ColorCurve::getMaxValue()
-{
-    return _maxValue;
-}
-
-void ColorCurve::appendControlPoint(ColorControlPoint& controlPoint, bool asDefaultToo)
-{
-    if (!_initValueRange)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Color curve must be initilized its value range before being used!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-
-    if (controlPoint.x < _minValue
-        || controlPoint.x > _maxValue)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("The x value of the control point to add isn't in x value range of the color curve to add!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-
-    _controlPoints.push_back(controlPoint);
-
-    if (asDefaultToo)
-    {
-        _defaultControlPoints.push_back(controlPoint);
-    }
-
-    if (!controlPoint.texturePath.empty())
-    {
-        _controlPoints[_controlPoints.size() - 1].textureAverageColor = _calcTextureAverageColor(controlPoint.texturePath.c_str());
-    }
-
-    _needSample = true;
-}
-
-void ColorCurve::setControlPoint(int index, const ColorControlPoint& point)
-{
-    if (index < 0 || index > (_controlPoints.size() - 1) )
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Meet invalid index when setting control point for color curve!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-
-    if (point.x < _minValue
-        || point.x > _maxValue)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("The setting value isn't in x value range of the color curve!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return;
-    }
-    std::vector<ColorControlPoint>::iterator itr = _controlPoints.begin();
-    std::advance(itr, index);
-
-    if (!point.texturePath.empty() && point.texturePath != itr->texturePath)
-    {
-        *itr = point;
-        itr->textureAverageColor = _calcTextureAverageColor(point.texturePath.c_str());
-    }
-    else
-        *itr = point;
-
-    _needSample = true;
-}
-
-void ColorCurve::reset(void)
-{
-    if (_defaultControlPoints.size() > 0)
-    {
-        _controlPoints = _defaultControlPoints;
-        _needSample = true;
-    }
-}
-
-void rectifyColorValue(float& colorComponent)
-{
-    if (colorComponent < 0)
-        colorComponent = 0;
-    else if(colorComponent > 255)
-    {
-        colorComponent = 255;
-    }
-}
-
-void rectifyColorValue(QPointF& colorComponent)
-{
-    if (colorComponent.y() < 0)
-        colorComponent.setY(0);
-    else if(colorComponent.y() > 255)
-    {
-        colorComponent.setY(255);
-    }
-}
-
-float getBezierColorByX(ColorControlPoint& ctrlPntFront, ColorControlPoint& ctrlPntBehind, int component, float x)
-{
-    BezierSplinePoint bezierPnt0;
-    BezierSplinePoint bezierPnt1;
-
-    float y0 = 0.0f, y1 = 0.0f;
-    switch (component) {
-    case 0:
-        y0 = ctrlPntFront.color.red();
-        y1 = ctrlPntBehind.color.red();
-        break;
-    case 1:
-        y0 = ctrlPntFront.color.green();
-        y1 = ctrlPntBehind.color.green();
-        break;
-    case 2:
-        y0 = ctrlPntFront.color.blue();
-        y1 = ctrlPntBehind.color.blue();
-        break;
-    case 3:
-        y0 = ctrlPntFront.color.alpha();
-        y1 = ctrlPntBehind.color.alpha();
-        break;
-    default:
-        break;
-    }
-
-    QPointF pntFront = QPointF(ctrlPntFront.x, y0);
-    QPointF pntBehind = QPointF(ctrlPntBehind.x, y1);
-    float xStride = ctrlPntBehind.x - ctrlPntFront.x;
-    bezierPnt0.ctrlPoint0 = pntFront;
-    bezierPnt0.valuePoint = pntFront;
-    float xDelta = ctrlPntFront.splineData.outLen * xStride;
-    bezierPnt0.ctrlPoint1 = pntFront + QPointF(xDelta, xDelta * ctrlPntFront.splineData.outTan);
-
-    if (eBezierSpline == ctrlPntBehind.mode)
-    {
-        xDelta = ctrlPntBehind.splineData.inLen * xStride;
-        bezierPnt1.ctrlPoint0 = pntBehind - QPointF(xDelta, xDelta * ctrlPntBehind.splineData.inTan);
-        bezierPnt1.valuePoint = pntBehind;
-        bezierPnt1.ctrlPoint1 = pntBehind;
-    }
-    else
-    {
-        bezierPnt1.ctrlPoint0 = pntBehind;
-        bezierPnt1.valuePoint = pntBehind;
-        bezierPnt1.ctrlPoint1 = pntBehind;
-    }
-
-    BezierSpline spline(100);
-    spline.appendControlPoint(bezierPnt0);
-    spline.appendControlPoint(bezierPnt1);
-    QPointF pntOnSpline;
-    spline.getPointByX(x, pntOnSpline);
-
-    rectifyColorValue(pntOnSpline);
-    return pntOnSpline.y();
-}
-
-void ColorCurve::insertControlPointAt(int index)
-{
-    if (index < 0)
-        index = 0;
-    else if (index > (_controlPoints.size() - 1) )
-        index = (int)(_controlPoints.size() - 1);
-
-    std::vector<ColorControlPoint>::iterator itrToAdd = _controlPoints.begin();
-    std::advance(itrToAdd, index);
-
-    ColorControlPoint& ctrlPntFront = _controlPoints[index - 1];
-    ColorControlPoint& ctrlPntBehind = _controlPoints[index];
-
-    switch (ctrlPntFront.mode)
-    {
-        case eDiscret:
-        {
-            ColorControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = ctrlPntFront.mode;
-            ctrlPntToAdd.x = ((ctrlPntFront.x + ctrlPntBehind.x) / 2);
-            ctrlPntToAdd.color = ctrlPntFront.color;
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        case eLinear:
-        {
-            ColorControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = ctrlPntFront.mode;
-            ctrlPntToAdd.x = ((ctrlPntFront.x + ctrlPntBehind.x) / 2);
-            ctrlPntToAdd.color.setRed(ctrlPntFront.color.red() + (ctrlPntBehind.color.red() - ctrlPntFront.color.red()) / 2);
-            ctrlPntToAdd.color.setRed(ctrlPntFront.color.green() + (ctrlPntBehind.color.green() - ctrlPntFront.color.green()) / 2);
-            ctrlPntToAdd.color.setRed(ctrlPntFront.color.blue() + (ctrlPntBehind.color.blue() - ctrlPntFront.color.blue()) / 2);
-            ctrlPntToAdd.color.setRed(ctrlPntFront.color.alpha() + (ctrlPntBehind.color.alpha() - ctrlPntFront.color.alpha()) / 2);
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        case eBezierSpline:
-        {
-            ColorControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = eBezierSpline;
-            ctrlPntToAdd.x = (ctrlPntFront.x + ctrlPntBehind.x) / 2;
-            ctrlPntToAdd.color.setRed(getBezierColorByX(ctrlPntFront, ctrlPntBehind, 0, ctrlPntToAdd.x));
-            ctrlPntToAdd.color.setGreen(getBezierColorByX(ctrlPntFront, ctrlPntBehind, 1, ctrlPntToAdd.x));
-            ctrlPntToAdd.color.setBlue(getBezierColorByX(ctrlPntFront, ctrlPntBehind, 2, ctrlPntToAdd.x));
-            ctrlPntToAdd.color.setAlpha(getBezierColorByX(ctrlPntFront, ctrlPntBehind, 3, ctrlPntToAdd.x));
-            ctrlPntToAdd.splineData.inLen = 1.0;
-            ctrlPntToAdd.splineData.inTan = 0.0;
-            ctrlPntToAdd.splineData.outLen = 1.0;
-            ctrlPntToAdd.splineData.outTan = 0.0;
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        case eCatmullRomSpline:
-        {
-            CatmullRomSpline splineRed;
-            CatmullRomSpline splineGreen;
-            CatmullRomSpline splineBlue;
-            CatmullRomSpline splineAlpha;
-
-            int i = index - 1;
-            for (; i >= 0; --i)
-            {
-                if (eCatmullRomSpline != _controlPoints[i].mode)
-                {
-                    ++i;
-                    break;
-                }
-            }
-
-            for (; i < (int)_controlPoints.size(); ++i)
-            {
-                splineRed.appendControlPoint(QPointF(_controlPoints[i].x, _controlPoints[i].color.red()));
-                splineGreen.appendControlPoint(QPointF(_controlPoints[i].x, _controlPoints[i].color.green()));
-                splineBlue.appendControlPoint(QPointF(_controlPoints[i].x, _controlPoints[i].color.blue()));
-                splineAlpha.appendControlPoint(QPointF(_controlPoints[i].x, _controlPoints[i].color.alpha()));
-                if (eCatmullRomSpline != _controlPoints[i].mode)
-                    break;
-            }
-
-            QPointF pntOnSpline;
-            ColorControlPoint ctrlPntToAdd;
-            ctrlPntToAdd.mode = eCatmullRomSpline;
-            ctrlPntToAdd.x = (ctrlPntFront.x + ctrlPntBehind.x) / 2;
-            splineRed.getPointByX(ctrlPntToAdd.x, pntOnSpline);
-            rectifyColorValue(pntOnSpline);
-            ctrlPntToAdd.color.setRed(pntOnSpline.y());
-            splineGreen.getPointByX(ctrlPntToAdd.x, pntOnSpline);
-            rectifyColorValue(pntOnSpline);
-            ctrlPntToAdd.color.setGreen(pntOnSpline.y());
-            splineBlue.getPointByX(ctrlPntToAdd.x, pntOnSpline);
-            rectifyColorValue(pntOnSpline);
-            ctrlPntToAdd.color.setBlue(pntOnSpline.y());
-            splineAlpha.getPointByX(ctrlPntToAdd.x, pntOnSpline);
-            rectifyColorValue(pntOnSpline);
-            ctrlPntToAdd.color.setAlpha(pntOnSpline.y());
-            _controlPoints.insert(itrToAdd, ctrlPntToAdd);
-            break;
-        }
-        default:
-            break;
-    }
-
-    _needSample = true;
-}
-
-void ColorCurve::removeControlPoint(int index)
-{
-    std::vector<ColorControlPoint>::iterator itrToRemove = _controlPoints.begin();
-    std::advance(itrToRemove, index);
-    _controlPoints.erase(itrToRemove);
-
-    _needSample = true;
-}
-
-QColor ColorCurve::getColorByX(float x)
-{
-    if (!_initValueRange)
-    {
-        QMessageBox::critical(nullptr, QObject::tr("critical"), QObject::tr("Color curve must be initilized its value range before being used!"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        return QColor();
-    }
-
-    if (x < _controlPoints[0].x)
-        return _controlPoints[0].color;
-
-    if (x >= _controlPoints[_controlPoints.size() - 1].x)
-        return _controlPoints[_controlPoints.size() - 1].color;
-
-    if (_needSample)
-        _doSamplePoints();
-
-    size_t pntCount = _colorSamplePnts.size();
-
-    if(pntCount < 2)
-    {
-        return QColor();
-    }
-
-    for (size_t i = 0; i < pntCount - 1; i++)
-    {
-        if(_colorSamplePnts[i].x <= x && _colorSamplePnts[i + 1].x > x)
-        {
-            ColorPoint& colorPnt0 = _colorSamplePnts[i];
-            ColorPoint& colorPnt1 = _colorSamplePnts[i + 1];
-            float fRate = (x - colorPnt0.x) / (colorPnt1.x - colorPnt0.x);
-
-            float red = colorPnt0.color.red() + fRate * (colorPnt1.color.red() - colorPnt0.color.red());
-            rectifyColorValue(red);
-            float green = colorPnt0.color.green() + fRate * (colorPnt1.color.green() - colorPnt0.color.green());
-            rectifyColorValue(green);
-            float blue = colorPnt0.color.blue() + fRate * (colorPnt1.color.blue() - colorPnt0.color.blue());
-            rectifyColorValue(blue);
-            float alpha = colorPnt0.color.alpha() + fRate * (colorPnt1.color.alpha() - colorPnt0.color.alpha());
-            rectifyColorValue(alpha);
-
-            return QColor(red, green, blue, alpha);
-        }
-    }
-
-    return QColor();
-}
-
-ColorCurve& ColorCurve::operator = (const ColorCurve& right)
-{
-    if (this == &right)
-        return *this;
-
-    _needSample = right._needSample;
-    _initValueRange = right._initValueRange;
-    _minValue = right._minValue;
-    _maxValue = right._maxValue;
-    _segmentCount = right._segmentCount;
-    _colorSamplePnts = right._colorSamplePnts;
-    _controlPoints = right._controlPoints;
-
-    return *this;
-}
-
-BezierSpline _generateColorBezierSpline(ColorControlPoint& ctrlPntFront, ColorControlPoint& ctrlPntBehind, int component, int numSegments = 100)
-{
-    BezierSplinePoint bezierPnt0;
-    BezierSplinePoint bezierPnt1;
-
-    QColor colorFront = ctrlPntFront.color;
-    if (!ctrlPntFront.texturePath.empty())
-        colorFront = ctrlPntFront.textureAverageColor;
-    QColor colorBehind = ctrlPntBehind.color;
-    if (!ctrlPntBehind.texturePath.empty())
-        colorBehind = ctrlPntBehind.textureAverageColor;
-
-    float y0 = 0.0f, y1 = 0.0f;
-    switch (component) {
-    case 0:
-        y0 = colorFront.red();
-        y1 = colorBehind.red();
-        break;
-    case 1:
-        y0 = colorFront.green();
-        y1 = colorBehind.green();
-        break;
-    case 2:
-        y0 = colorFront.blue();
-        y1 = colorBehind.blue();
-        break;
-    case 3:
-        y0 = colorFront.alpha();
-        y1 = colorBehind.alpha();
-        break;
-    default:
-        break;
-    }
-
-    QPointF pntFront = QPointF(ctrlPntFront.x, y0);
-    QPointF pntBehind = QPointF(ctrlPntBehind.x, y1);
-    float xStride = ctrlPntBehind.x - ctrlPntFront.x;
-    bezierPnt0.ctrlPoint0 = pntFront;
-    bezierPnt0.valuePoint = pntFront;
-    float xDelta = ctrlPntFront.splineData.outLen * xStride;
-    bezierPnt0.ctrlPoint1 = pntFront + QPointF(xDelta, xDelta * ctrlPntFront.splineData.outTan);
-
-    if (eBezierSpline == ctrlPntBehind.mode)
-    {
-        xDelta = ctrlPntBehind.splineData.inLen * xStride;
-        bezierPnt1.ctrlPoint0 = pntBehind - QPointF(xDelta, xDelta * ctrlPntBehind.splineData.inTan);
-        bezierPnt1.valuePoint = pntBehind;
-        bezierPnt1.ctrlPoint1 = pntBehind;
-    }
-    else
-    {
-        bezierPnt1.ctrlPoint0 = pntBehind;
-        bezierPnt1.valuePoint = pntBehind;
-        bezierPnt1.ctrlPoint1 = pntBehind;
-    }
-
-    BezierSpline spline(numSegments);
-    spline.appendControlPoint(bezierPnt0);
-    spline.appendControlPoint(bezierPnt1);
-    return spline;
-}
-
-void _doBezierColorSample(ColorControlPoint& ctrlPntFront, ColorControlPoint& ctrlPntBehind, std::vector<ColorPoint>& colorSamplePnts, int numSegments = 100)
-{
-    BezierSpline redSpline = _generateColorBezierSpline(ctrlPntFront, ctrlPntBehind, 0, numSegments);
-    BezierSpline greenSpline = _generateColorBezierSpline(ctrlPntFront, ctrlPntBehind, 1, numSegments);
-    BezierSpline blueSpline = _generateColorBezierSpline(ctrlPntFront, ctrlPntBehind, 2, numSegments);
-    BezierSpline alphaSpline = _generateColorBezierSpline(ctrlPntFront, ctrlPntBehind, 3, numSegments);
-
-    std::vector<QPointF> redSamplePnts = redSpline.getSamplePoints();
-    std::vector<QPointF> greenSamplePnts = greenSpline.getSamplePoints();
-    std::vector<QPointF> blueSamplePnts = blueSpline.getSamplePoints();
-    std::vector<QPointF> alphaSamplePnts = alphaSpline.getSamplePoints();
-
-    size_t samplePntsCount = redSamplePnts.size();
-    for (size_t i = 0; i < samplePntsCount; ++i)
-    {
-        colorSamplePnts.push_back(ColorPoint(redSamplePnts[i].x() , QColor(redSamplePnts[i].y()
-                                                                            , greenSamplePnts[i].y()
-                                                                            , blueSamplePnts[i].y()
-                                                                            , alphaSamplePnts[i].y())));
-    }
-}
-
-float saturate( float v)
-{
-    if( v < 0.0 ) v = 0.0;
-    if( v > 1.0 ) v = 1.0;
-    return v;
-}
-
-float _GetRatio(float s, float weight, float fallOff)
-{
-    float ratio = s;
-
-    // add bias for first/second color variation
-    if (weight < 0.5f)
-    {
-        float slope = 2.0f * weight;
-        ratio = slope * ratio;
-    }
-    else
-    {
-        float slope = 2.0f * (1.0f - weight) ;
-        ratio = slope * (ratio - 1.0f) + 1.0f;
-    }
-
-    // modify ratio for falloff
-    float slope = 1.0f / (fallOff + 0.001f);
-    ratio = saturate(0.5f + slope * (ratio - 0.5f));
-
-    return ratio;
-}
-
-void ColorCurve::_doSamplePoints()
-{
-    _colorSamplePnts.clear();
-
-    for (long i = 1; i < _controlPoints.size(); ++i)
-    {
-        ColorControlPoint& ctrlPntFront = _controlPoints[i-1];
-        ColorControlPoint& ctrlPntBehind = _controlPoints[i];
-        QColor colorFront = ctrlPntFront.color;
-        if (!ctrlPntFront.texturePath.empty())
-            colorFront = ctrlPntFront.textureAverageColor;
-        QColor colorBehind = ctrlPntBehind.color;
-        if (!ctrlPntBehind.texturePath.empty())
-            colorBehind = ctrlPntBehind.textureAverageColor;
-
-        switch (ctrlPntFront.mode)
-        {
-            case eDiscret:
-            {
-                _colorSamplePnts.push_back(ColorPoint(ctrlPntFront.x, colorFront));
-                _colorSamplePnts.push_back(ColorPoint(ctrlPntBehind.x, colorFront));
-                break;
-            }
-            case eLinear:
-            {
-                for (long j = 0; j <= _segmentCount; ++j)
-                {
-                    float s = (float)j / _segmentCount;
-                    float ratio = s;
-                    if (ctrlPntBehind.weight >= 0)
-                        ratio = _GetRatio(s, ctrlPntFront.weight, ctrlPntFront.fallOff);
-
-                    float xPos = ctrlPntFront.x + s * (ctrlPntBehind.x - ctrlPntFront.x);
-
-                    int red = colorBehind.red() - colorFront.red();
-                    int green = colorBehind.green() - colorFront.green();
-                    int blue = colorBehind.blue() - colorFront.blue();
-                    int alpha = colorBehind.alpha() - colorFront.alpha();
-
-                    QColor color(colorFront.red() + ratio * red
-                                    , colorFront.green() + ratio * green
-                                    , colorFront.blue() + ratio * blue
-                                    , colorFront.alpha() + ratio * alpha);
-                    _colorSamplePnts.push_back(ColorPoint(xPos, color));
-                }
-                break;
-            }
-            case eBezierSpline:
-            {
-                _doBezierColorSample(ctrlPntFront, ctrlPntBehind, _colorSamplePnts, _segmentCount);
-                break;
-            }
-            case eCatmullRomSpline:
-            {
-                CatmullRomSpline redSpline(_segmentCount);
-                CatmullRomSpline greenSpline(_segmentCount);
-                CatmullRomSpline blueSpline(_segmentCount);
-                CatmullRomSpline alphaSpline(_segmentCount);
-
-                for (i = i - 1; i < _controlPoints.size(); ++i)
-                {
-                    QColor color = _controlPoints[i].color;
-                    if (!_controlPoints[i].texturePath.empty())
-                        color = _controlPoints[i].textureAverageColor;
-                    redSpline.appendControlPoint(QPointF(_controlPoints[i].x, color.red()));
-                    greenSpline.appendControlPoint(QPointF(_controlPoints[i].x, color.green()));
-                    blueSpline.appendControlPoint(QPointF(_controlPoints[i].x, color.blue()));
-                    alphaSpline.appendControlPoint(QPointF(_controlPoints[i].x, color.alpha()));
-                    if (eCatmullRomSpline != _controlPoints[i].mode)
-                    {
-                        break;
-                    }
-                }
-
-                std::vector<QPointF> redSamplePnts = redSpline.getSamplePoints();
-                std::vector<QPointF> greenSamplePnts = greenSpline.getSamplePoints();
-                std::vector<QPointF> blueSamplePnts = blueSpline.getSamplePoints();
-                std::vector<QPointF> alphaSamplePnts = alphaSpline.getSamplePoints();
-
-                size_t samplePntsCount = redSamplePnts.size();
-                for (size_t i = 0; i < samplePntsCount; ++i)
-                {
-                    rectifyColorValue(redSamplePnts[i]);
-                    rectifyColorValue(greenSamplePnts[i]);
-                    rectifyColorValue(blueSamplePnts[i]);
-                    rectifyColorValue(alphaSamplePnts[i]);
-                    _colorSamplePnts.push_back(ColorPoint(redSamplePnts[i].x() , QColor(redSamplePnts[i].y()
-                                                                                        , greenSamplePnts[i].y()
-                                                                                        , blueSamplePnts[i].y()
-                                                                                        , alphaSamplePnts[i].y())));
-                }
-
-                break;
-            }
-        }
-    }
-
-    _needSample = false;
-}
-
-void ColorCurve::_reOrderControlPoints(int& pickedPoint)
-{
-    for (size_t i = 0; i < _controlPoints.size() - 1; ++i)
-    {
-        if (_controlPoints[i].x > _controlPoints[i+1].x)
-        {
-            ColorControlPoint temp = _controlPoints[i];
-            _controlPoints[i] = _controlPoints[i + 1];
-            _controlPoints[i + 1] = temp;
-
-            if (pickedPoint == i)
-                pickedPoint = (int)(i + 1);
-            else if (pickedPoint == (i + 1) )
-                pickedPoint = (int)i;
-
-            break;
-        }
-    }
-}
-
-QColor ColorCurve::_calcTextureAverageColor(const char* texturePath)
-{
-    QImage img(texturePath);
-    double red = 0, green = 0, blue = 0, alpha = 0;
-
-    // Try stb_image for .TGA
-    int width = 0;
-    int height = 0;
-    int numComponents = 0;
-    unsigned char *pSTBIRes = stbi_load(texturePath, &width, &height, &numComponents, 4);
-
-    if (!pSTBIRes)
-        return QColor(0, 0, 0);
-
-    int colorCount = width * height;
-    unsigned int* pixels = (unsigned int*)pSTBIRes;
-
-    for (int i = 0; i < height; ++i)
-    {
-        for (int j = 0; j < width; ++j)
-        {
-            QRgb pixel = *pixels++;
-            QColor color(pixel);
-            red += color.redF();
-            green += color.greenF();
-            blue += color.blueF();
-            alpha += color.alphaF();
-        }
-    }
-
-    if (colorCount != 0)
-    {
-        red /= colorCount;
-        green /= colorCount;
-        blue /= colorCount;
-        alpha /= colorCount;
-    }
-
-    QColor color;
-    color.setRgbF(red, green, blue, alpha);
-    return color;
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Curve/Spline.cpp b/tools/CurveEditor/source/Internal/Curve/Spline.cpp
deleted file mode 100644
index c40a4f9..0000000
--- a/tools/CurveEditor/source/Internal/Curve/Spline.cpp
+++ /dev/null
@@ -1,151 +0,0 @@
-#include "Spline.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-Spline::Spline(long segmentCount)
-    : _needSample(true)
-    , _samplePoints()
-    , _edgeLengths()
-    , _totolLength(0.0f)
-{
-    _segmentCount = segmentCount < 1 ? 1 : segmentCount;
-}
-
-Spline::~Spline(void)
-{
-}
-
-bool Spline::getPercentPoint(float percent, QPointF& point)
-{
-    long lPointCount = (long)_samplePoints.size();
-
-    if (lPointCount == 0)
-    {
-        return false;
-    }
-    else if (lPointCount == 1)
-    {
-        point = _samplePoints[0];
-        return true;
-    }
-
-    if (_needSample)
-        _sample();
-
-    if (percent > 1.0)
-    {
-        percent -= (int)percent;
-    }
-
-    if (percent < 0.0)
-    {
-        percent += (int)(-percent) + 1;
-    }
-
-    if (percent <= 0.0)
-    {
-        // return begin point
-        point = _samplePoints[0];
-        return true;
-    }
-    else if (percent >= 1.0)
-    {
-        // return end point
-        point = _samplePoints[_samplePoints.size() - 1];
-        return true;
-    }
-
-    float fCurPos = _totolLength * percent;
-    int      index = 0;
-
-    {// get edge's index the point is on based on the percent value
-        long lEdgeCount = (long)_edgeLengths.size();
-        for ( ; index < lEdgeCount; index++)
-        {
-            if (fCurPos < _edgeLengths[index])
-            {
-                break;
-            }
-
-            fCurPos -= _edgeLengths[index];
-        }
-
-        if (index == lEdgeCount)
-        {
-            point = _samplePoints[_samplePoints.size() - 1];
-            return true;
-        }
-    }
-
-    QPointF v1 = _samplePoints[index];
-    QPointF v2 = _samplePoints[index + 1];
-
-    point = v1 + (v2 - v1) * (fCurPos / _edgeLengths[index]);
-
-    return true;
-}
-
-bool Spline::getPointByX(float x, QPointF& point)
-{
-    if (_needSample)
-        _sample();
-
-    long lPointCount = (long)_samplePoints.size();
-
-    if(lPointCount < 2)
-    {
-        return false;
-    }
-
-    for (int i = 0; i < lPointCount - 1; i++)
-    {
-        if(_samplePoints[i].x() <= x && _samplePoints[i + 1].x() > x)
-        {
-            point.setX( x );
-            float fRate = (x - _samplePoints[i].x())/ (_samplePoints[i + 1].x() - _samplePoints[i].x());
-            point.setY(_samplePoints[i].y() + (_samplePoints[i+1].y() - _samplePoints[i].y()) * fRate);
-            return true;
-        }
-    }
-    return false;
-}
-
-void Spline::setSegmentCount(long segmentCount)
-{
-    _segmentCount = segmentCount < 1 ? 1 : segmentCount;
-    _needSample = true;
-}
-
-std::vector<QPointF> Spline::getSamplePoints()
-{
-    if (_needSample)
-        _sample();
-    return _samplePoints;
-}
-
-void Spline::_sample()
-{
-    _samplePoints.clear();
-
-    _doSample();
-
-    // get all edges length and total length
-    _totolLength = 0;
-    _edgeLengths.clear();
-    float fEdgeLength;
-
-    long lPointCount = (long)_samplePoints.size();
-    for (int i = 1; i < lPointCount; i++)
-    {
-        QPointF dist = _samplePoints[i] - _samplePoints[i - 1];
-        fEdgeLength = (sqrt(dist.x()*dist.x() + dist.y() + dist.y()));
-        _edgeLengths.push_back(fEdgeLength);
-        _totolLength += fEdgeLength;
-    }
-
-    _needSample = false;
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Curve/Spline.h b/tools/CurveEditor/source/Internal/Curve/Spline.h
deleted file mode 100644
index fc111a7..0000000
--- a/tools/CurveEditor/source/Internal/Curve/Spline.h
+++ /dev/null
@@ -1,43 +0,0 @@
-#ifndef Spline_h__
-#define Spline_h__
-#include <vector>
-#include <QtCore/QPointF>
-
-namespace nvidia {
-namespace CurveEditor {
-
-class Spline
-{
-public:
-    Spline(long segmentCount = 100);
-    virtual ~Spline(void) = 0;
-
-    //  return the point which lies on the polyline after sample.
-    // percent: the length between the returned point and the begin point along the polyline after sample
-    //             ������������������������������������������������������������������������������������������
-    //             the length between the end point and the begin point along the polyline after sample
-    //    [0.0, 1.0]
-    bool getPercentPoint(float percent, QPointF& point);
-
-    bool getPointByX(float x, QPointF& point);
-
-    void setSegmentCount(long segmentCount);
-
-    std::vector<QPointF> getSamplePoints();
-
-protected:
-     void _sample();
-     virtual void _doSample() = 0;
-
-protected:
-    bool                    _needSample;
-    long                    _segmentCount;
-    std::vector<QPointF>    _samplePoints;
-    std::vector<float>      _edgeLengths; // the number of edges + 1 == the number of sample points
-    float                   _totolLength;// the total length of all edges
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // Spline_h__
diff --git a/tools/CurveEditor/source/Internal/UI/AlphaDialog.ui b/tools/CurveEditor/source/Internal/UI/AlphaDialog.ui
deleted file mode 100644
index d4adf83..0000000
--- a/tools/CurveEditor/source/Internal/UI/AlphaDialog.ui
+++ /dev/null
@@ -1,162 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>AlphaDialog</class>
- <widget class="QDialog" name="AlphaDialog">
-  <property name="enabled">
-   <bool>true</bool>
-  </property>
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>271</width>
-    <height>160</height>
-   </rect>
-  </property>
-  <property name="sizePolicy">
-   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-    <horstretch>0</horstretch>
-    <verstretch>0</verstretch>
-   </sizepolicy>
-  </property>
-  <property name="minimumSize">
-   <size>
-    <width>271</width>
-    <height>160</height>
-   </size>
-  </property>
-  <property name="windowTitle">
-   <string>Select Alpha</string>
-  </property>
-  <property name="modal">
-   <bool>true</bool>
-  </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
-   <property name="leftMargin">
-    <number>8</number>
-   </property>
-   <property name="topMargin">
-    <number>8</number>
-   </property>
-   <property name="rightMargin">
-    <number>8</number>
-   </property>
-   <property name="bottomMargin">
-    <number>8</number>
-   </property>
-   <item>
-    <spacer name="verticalSpacer">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>20</width>
-       <height>40</height>
-      </size>
-     </property>
-    </spacer>
-   </item>
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout">
-     <item>
-      <spacer name="horizontalSpacer">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QLabel" name="labelAplpha">
-       <property name="minimumSize">
-        <size>
-         <width>40</width>
-         <height>0</height>
-        </size>
-       </property>
-       <property name="maximumSize">
-        <size>
-         <width>40</width>
-         <height>16777215</height>
-        </size>
-       </property>
-       <property name="text">
-        <string>Alpha:</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QSpinBox" name="spinBoxAlpha">
-       <property name="minimumSize">
-        <size>
-         <width>60</width>
-         <height>0</height>
-        </size>
-       </property>
-       <property name="maximumSize">
-        <size>
-         <width>60</width>
-         <height>16777215</height>
-        </size>
-       </property>
-       <property name="maximum">
-        <number>255</number>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="orientation">
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-     </property>
-    </widget>
-   </item>
-  </layout>
- </widget>
- <resources/>
- <connections>
-  <connection>
-   <sender>buttonBox</sender>
-   <signal>accepted()</signal>
-   <receiver>AlphaDialog</receiver>
-   <slot>accept()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>248</x>
-     <y>254</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>157</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>buttonBox</sender>
-   <signal>rejected()</signal>
-   <receiver>AlphaDialog</receiver>
-   <slot>reject()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>316</x>
-     <y>260</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>286</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
- </connections>
-</ui>
diff --git a/tools/CurveEditor/source/Internal/UI/AppWidget.ui b/tools/CurveEditor/source/Internal/UI/AppWidget.ui
deleted file mode 100644
index 94c678a..0000000
--- a/tools/CurveEditor/source/Internal/UI/AppWidget.ui
+++ /dev/null
@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>AppWidget</class>
- <widget class="QWidget" name="AppWidget">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>400</width>
-    <height>300</height>
-   </rect>
-  </property>
-  <property name="windowTitle">
-   <string>AppWidget</string>
-  </property>
-  <widget class="QPushButton" name="btnCurveEditor">
-   <property name="geometry">
-    <rect>
-     <x>160</x>
-     <y>120</y>
-     <width>75</width>
-     <height>23</height>
-    </rect>
-   </property>
-   <property name="text">
-    <string>Curve Editor</string>
-   </property>
-  </widget>
- </widget>
- <layoutdefault spacing="6" margin="11"/>
- <resources/>
- <connections/>
-</ui>
diff --git a/tools/CurveEditor/source/Internal/UI/CurveEditorMainWindow.ui b/tools/CurveEditor/source/Internal/UI/CurveEditorMainWindow.ui
deleted file mode 100644
index cedbec9..0000000
--- a/tools/CurveEditor/source/Internal/UI/CurveEditorMainWindow.ui
+++ /dev/null
@@ -1,1134 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>CurveEditorMainWindow</class>
- <widget class="QMainWindow" name="CurveEditorMainWindow">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>983</width>
-    <height>473</height>
-   </rect>
-  </property>
-  <property name="sizePolicy">
-   <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
-    <horstretch>2</horstretch>
-    <verstretch>0</verstretch>
-   </sizepolicy>
-  </property>
-  <property name="windowTitle">
-   <string>CurveEditor</string>
-  </property>
-  <property name="windowIcon">
-   <iconset resource="Resources/CurveEditor.qrc">
-    <normaloff>:/AppMainWindow/Icon/CurveEditor.png</normaloff>:/AppMainWindow/Icon/CurveEditor.png</iconset>
-  </property>
-  <widget class="QSplitter" name="centralWidget">
-   <property name="frameShape">
-    <enum>QFrame::StyledPanel</enum>
-   </property>
-   <property name="frameShadow">
-    <enum>QFrame::Raised</enum>
-   </property>
-   <property name="midLineWidth">
-    <number>1</number>
-   </property>
-   <property name="orientation">
-    <enum>Qt::Horizontal</enum>
-   </property>
-   <widget class="QFrame" name="frameAttributesSelector">
-    <property name="minimumSize">
-     <size>
-      <width>80</width>
-      <height>0</height>
-     </size>
-    </property>
-    <property name="frameShape">
-     <enum>QFrame::StyledPanel</enum>
-    </property>
-    <property name="frameShadow">
-     <enum>QFrame::Sunken</enum>
-    </property>
-    <layout class="QVBoxLayout" name="verticalLayout">
-     <property name="spacing">
-      <number>2</number>
-     </property>
-     <property name="leftMargin">
-      <number>2</number>
-     </property>
-     <property name="topMargin">
-      <number>2</number>
-     </property>
-     <property name="rightMargin">
-      <number>2</number>
-     </property>
-     <property name="bottomMargin">
-      <number>2</number>
-     </property>
-     <item>
-      <widget class="QTabWidget" name="tabWidgetAttributes">
-       <property name="currentIndex">
-        <number>0</number>
-       </property>
-       <widget class="QWidget" name="tabCurveAttributes">
-        <attribute name="title">
-         <string>Curve Attributes</string>
-        </attribute>
-        <layout class="QHBoxLayout" name="horizontalLayoutCurveAttributes">
-         <property name="spacing">
-          <number>0</number>
-         </property>
-         <property name="leftMargin">
-          <number>0</number>
-         </property>
-         <property name="topMargin">
-          <number>0</number>
-         </property>
-         <property name="rightMargin">
-          <number>0</number>
-         </property>
-         <property name="bottomMargin">
-          <number>0</number>
-         </property>
-         <item>
-          <widget class="QTreeWidget" name="treeWidgetCurveAttributes">
-           <property name="minimumSize">
-            <size>
-             <width>0</width>
-             <height>0</height>
-            </size>
-           </property>
-           <property name="selectionMode">
-            <enum>QAbstractItemView::ExtendedSelection</enum>
-           </property>
-           <attribute name="headerVisible">
-            <bool>false</bool>
-           </attribute>
-           <column>
-            <property name="text">
-             <string notr="true">1</string>
-            </property>
-           </column>
-          </widget>
-         </item>
-        </layout>
-       </widget>
-       <widget class="QWidget" name="tabColorAttributes">
-        <attribute name="title">
-         <string>Color Attributes</string>
-        </attribute>
-        <layout class="QHBoxLayout" name="horizontalLayoutColorAttributes">
-         <property name="spacing">
-          <number>0</number>
-         </property>
-         <property name="leftMargin">
-          <number>0</number>
-         </property>
-         <property name="topMargin">
-          <number>0</number>
-         </property>
-         <property name="rightMargin">
-          <number>0</number>
-         </property>
-         <property name="bottomMargin">
-          <number>0</number>
-         </property>
-         <item>
-          <widget class="QTreeWidget" name="treeWidgetColorAttributes">
-           <property name="minimumSize">
-            <size>
-             <width>0</width>
-             <height>0</height>
-            </size>
-           </property>
-           <property name="selectionMode">
-            <enum>QAbstractItemView::SingleSelection</enum>
-           </property>
-           <attribute name="headerVisible">
-            <bool>false</bool>
-           </attribute>
-           <column>
-            <property name="text">
-             <string notr="true">1</string>
-            </property>
-           </column>
-          </widget>
-         </item>
-        </layout>
-       </widget>
-      </widget>
-     </item>
-    </layout>
-   </widget>
-   <widget class="QFrame" name="frameGraphAndColorEditor">
-    <property name="minimumSize">
-     <size>
-      <width>80</width>
-      <height>0</height>
-     </size>
-    </property>
-    <property name="frameShape">
-     <enum>QFrame::StyledPanel</enum>
-    </property>
-    <property name="frameShadow">
-     <enum>QFrame::Sunken</enum>
-    </property>
-    <layout class="QVBoxLayout" name="verticalLayout_2">
-     <property name="spacing">
-      <number>2</number>
-     </property>
-     <property name="leftMargin">
-      <number>2</number>
-     </property>
-     <property name="topMargin">
-      <number>2</number>
-     </property>
-     <property name="rightMargin">
-      <number>2</number>
-     </property>
-     <property name="bottomMargin">
-      <number>2</number>
-     </property>
-     <item>
-      <widget class="QFrame" name="frameCurveEditor">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="minimumSize">
-        <size>
-         <width>0</width>
-         <height>80</height>
-        </size>
-       </property>
-       <property name="frameShape">
-        <enum>QFrame::StyledPanel</enum>
-       </property>
-       <property name="frameShadow">
-        <enum>QFrame::Sunken</enum>
-       </property>
-       <property name="lineWidth">
-        <number>1</number>
-       </property>
-       <layout class="QVBoxLayout" name="layoutCurveEditor">
-        <property name="spacing">
-         <number>4</number>
-        </property>
-        <property name="leftMargin">
-         <number>4</number>
-        </property>
-        <property name="topMargin">
-         <number>4</number>
-        </property>
-        <property name="rightMargin">
-         <number>4</number>
-        </property>
-        <property name="bottomMargin">
-         <number>4</number>
-        </property>
-        <item>
-         <layout class="QHBoxLayout" name="horizontalLayout">
-          <item>
-           <widget class="QLabel" name="labelLoacation">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="text">
-             <string>Location</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QDoubleSpinBox" name="spinBoxLocation">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="minimum">
-             <double>-99999999.989999994635582</double>
-            </property>
-            <property name="maximum">
-             <double>99999999.989999994635582</double>
-            </property>
-            <property name="singleStep">
-             <double>0.010000000000000</double>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QLabel" name="labelValue">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="text">
-             <string>Value</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QDoubleSpinBox" name="spinBoxValue">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="minimum">
-             <double>-99999999.989999994635582</double>
-            </property>
-            <property name="maximum">
-             <double>99999999.989999994635582</double>
-            </property>
-            <property name="singleStep">
-             <double>0.010000000000000</double>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer name="horizontalSpacer">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" stdset="0">
-             <size>
-              <width>40</width>
-              <height>20</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-          <item>
-           <widget class="QCheckBox" name="checkBoxResamplePoints">
-            <property name="text">
-             <string>Resample Points</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QSpinBox" name="spinBoxResamplePoints">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="minimum">
-             <number>2</number>
-            </property>
-            <property name="maximum">
-             <number>999999999</number>
-            </property>
-            <property name="decimals" stdset="0">
-             <number>1</number>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
-        <item>
-         <widget class="QFrame" name="frameCurveEditorArea">
-          <property name="sizePolicy">
-           <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
-            <horstretch>0</horstretch>
-            <verstretch>0</verstretch>
-           </sizepolicy>
-          </property>
-          <property name="minimumSize">
-           <size>
-            <width>0</width>
-            <height>80</height>
-           </size>
-          </property>
-          <property name="frameShape">
-           <enum>QFrame::StyledPanel</enum>
-          </property>
-          <property name="frameShadow">
-           <enum>QFrame::Raised</enum>
-          </property>
-          <layout class="QVBoxLayout" name="layoutCurveEditorArea">
-           <property name="spacing">
-            <number>0</number>
-           </property>
-           <property name="leftMargin">
-            <number>0</number>
-           </property>
-           <property name="topMargin">
-            <number>0</number>
-           </property>
-           <property name="rightMargin">
-            <number>0</number>
-           </property>
-           <property name="bottomMargin">
-            <number>0</number>
-           </property>
-          </layout>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-     </item>
-     <item>
-      <widget class="QFrame" name="frameColorEditor">
-       <property name="frameShape">
-        <enum>QFrame::StyledPanel</enum>
-       </property>
-       <property name="frameShadow">
-        <enum>QFrame::Sunken</enum>
-       </property>
-       <property name="lineWidth">
-        <number>1</number>
-       </property>
-       <layout class="QVBoxLayout" name="verticalLayout_3">
-        <property name="spacing">
-         <number>6</number>
-        </property>
-        <property name="leftMargin">
-         <number>4</number>
-        </property>
-        <property name="topMargin">
-         <number>4</number>
-        </property>
-        <property name="rightMargin">
-         <number>4</number>
-        </property>
-        <property name="bottomMargin">
-         <number>4</number>
-        </property>
-        <item>
-         <widget class="QFrame" name="frameColorAlphaRamp">
-          <property name="minimumSize">
-           <size>
-            <width>0</width>
-            <height>80</height>
-           </size>
-          </property>
-          <property name="maximumSize">
-           <size>
-            <width>16777215</width>
-            <height>80</height>
-           </size>
-          </property>
-          <property name="frameShape">
-           <enum>QFrame::StyledPanel</enum>
-          </property>
-          <property name="frameShadow">
-           <enum>QFrame::Raised</enum>
-          </property>
-          <layout class="QVBoxLayout" name="layoutColorEditorArea">
-           <property name="spacing">
-            <number>0</number>
-           </property>
-           <property name="leftMargin">
-            <number>0</number>
-           </property>
-           <property name="topMargin">
-            <number>0</number>
-           </property>
-           <property name="rightMargin">
-            <number>0</number>
-           </property>
-           <property name="bottomMargin">
-            <number>0</number>
-           </property>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <layout class="QHBoxLayout" name="horizontalLayout_2">
-          <item>
-           <widget class="QLabel" name="labelColor">
-            <property name="minimumSize">
-             <size>
-              <width>32</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="text">
-             <string>Color</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnColor">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnColorTex">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-            <property name="icon">
-             <iconset resource="Resources/CurveEditor.qrc">
-              <normaloff>:/AppMainWindow/Icon/TextureEnabled_icon.png</normaloff>:/AppMainWindow/Icon/TextureEnabled_icon.png</iconset>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnColorReload">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-            <property name="icon">
-             <iconset resource="Resources/CurveEditor.qrc">
-              <normaloff>:/AppMainWindow/Icon/Refresh_icon.png</normaloff>:/AppMainWindow/Icon/Refresh_icon.png</iconset>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnColorClear">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-            <property name="icon">
-             <iconset resource="Resources/CurveEditor.qrc">
-              <normaloff>:/AppMainWindow/Icon/Remove_icon.png</normaloff>:/AppMainWindow/Icon/Remove_icon.png</iconset>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QLabel" name="labelColorFallOff">
-            <property name="text">
-             <string>Fall Off</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QSlider" name="sliderColorFallOff">
-            <property name="maximum">
-             <number>100</number>
-            </property>
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer name="horizontalSpacer_2">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" stdset="0">
-             <size>
-              <width>40</width>
-              <height>20</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-         </layout>
-        </item>
-        <item>
-         <layout class="QHBoxLayout" name="horizontalLayout_3">
-          <item>
-           <widget class="QLabel" name="labelAlpha">
-            <property name="minimumSize">
-             <size>
-              <width>32</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="text">
-             <string>Alpha</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnAlpha">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnAlphaTex">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-            <property name="icon">
-             <iconset resource="Resources/CurveEditor.qrc">
-              <normaloff>:/AppMainWindow/Icon/TextureEnabled_icon.png</normaloff>:/AppMainWindow/Icon/TextureEnabled_icon.png</iconset>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnAlphaReload">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-            <property name="icon">
-             <iconset resource="Resources/CurveEditor.qrc">
-              <normaloff>:/AppMainWindow/Icon/Refresh_icon.png</normaloff>:/AppMainWindow/Icon/Refresh_icon.png</iconset>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="btnAlphaClear">
-            <property name="minimumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16</width>
-              <height>16</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-            <property name="icon">
-             <iconset resource="Resources/CurveEditor.qrc">
-              <normaloff>:/AppMainWindow/Icon/Remove_icon.png</normaloff>:/AppMainWindow/Icon/Remove_icon.png</iconset>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QLabel" name="labelAlphaFallOff">
-            <property name="text">
-             <string>Fall Off</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QSlider" name="sliderAlphaFallOff">
-            <property name="maximum">
-             <number>100</number>
-            </property>
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer name="horizontalSpacer_3">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" stdset="0">
-             <size>
-              <width>40</width>
-              <height>20</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-         </layout>
-        </item>
-        <item>
-         <layout class="QHBoxLayout" name="horizontalLayout_4">
-          <item>
-           <widget class="QLabel" name="labelEmpty">
-            <property name="minimumSize">
-             <size>
-              <width>32</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>20</height>
-             </size>
-            </property>
-            <property name="text">
-             <string/>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QCheckBox" name="checkBoxUseAlphaChannellFromColor">
-            <property name="text">
-             <string>Use Alpha Channel from Color</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer name="horizontalSpacer_4">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" stdset="0">
-             <size>
-              <width>40</width>
-              <height>20</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-         </layout>
-        </item>
-       </layout>
-      </widget>
-     </item>
-    </layout>
-   </widget>
-  </widget>
-  <widget class="QMenuBar" name="menuBar">
-   <property name="geometry">
-    <rect>
-     <x>0</x>
-     <y>0</y>
-     <width>983</width>
-     <height>21</height>
-    </rect>
-   </property>
-   <widget class="QMenu" name="menuEditor">
-    <property name="title">
-     <string>Edit</string>
-    </property>
-    <addaction name="actionCopy"/>
-    <addaction name="actionPaste"/>
-    <addaction name="actionSave_Selected_as_Preset"/>
-    <addaction name="actionLoad_Preset_to_Copy_Buffer"/>
-    <addaction name="actionImport_Preset_onto_Selected"/>
-    <addaction name="actionReset_Curve"/>
-   </widget>
-   <widget class="QMenu" name="menuControlPoints">
-    <property name="title">
-     <string>ControlPoints</string>
-    </property>
-    <addaction name="actionAdd_Before_Selected"/>
-    <addaction name="actionAdd_After_Selected"/>
-    <addaction name="actionRemove_Selected"/>
-   </widget>
-   <addaction name="menuEditor"/>
-   <addaction name="menuControlPoints"/>
-  </widget>
-  <widget class="QToolBar" name="mainToolBar">
-   <attribute name="toolBarArea">
-    <enum>TopToolBarArea</enum>
-   </attribute>
-   <attribute name="toolBarBreak">
-    <bool>false</bool>
-   </attribute>
-   <addaction name="actionTangent_Stepped"/>
-   <addaction name="actionTangent_Linear"/>
-   <addaction name="actionTangent_Smooth"/>
-   <addaction name="actionTangent_Ease_Out"/>
-   <addaction name="actionTangent_Ease_In"/>
-   <addaction name="actionTangent_Spline"/>
-   <addaction name="separator"/>
-   <addaction name="actionSnap_All"/>
-   <addaction name="actionSnap_Horizontal"/>
-   <addaction name="actionSnap_Vertical"/>
-   <addaction name="separator"/>
-   <addaction name="actionContract_Horizontally"/>
-   <addaction name="actionExpand_Horizontally"/>
-   <addaction name="actionContract_Vertically"/>
-   <addaction name="actionExpand_Vertically"/>
-   <addaction name="actionFrame_Horizontally"/>
-   <addaction name="actionFrame_Vertically"/>
-   <addaction name="actionFrame_All"/>
-   <addaction name="separator"/>
-   <addaction name="actionAdd_Control_Point_By_Click"/>
-   <addaction name="actionRemove_Control_Point_By_Click"/>
-  </widget>
-  <action name="actionCopy">
-   <property name="text">
-    <string>Copy</string>
-   </property>
-  </action>
-  <action name="actionPaste">
-   <property name="text">
-    <string>Paste</string>
-   </property>
-  </action>
-  <action name="actionSave_Selected_as_Preset">
-   <property name="text">
-    <string>Save Selected as Preset</string>
-   </property>
-  </action>
-  <action name="actionLoad_Preset_to_Copy_Buffer">
-   <property name="text">
-    <string>Load Preset to Copy Buffer</string>
-   </property>
-  </action>
-  <action name="actionImport_Preset_onto_Selected">
-   <property name="text">
-    <string>Import Preset onto Selected</string>
-   </property>
-  </action>
-  <action name="actionAdd_Before_Selected">
-   <property name="text">
-    <string>Add Before Selected</string>
-   </property>
-  </action>
-  <action name="actionAdd_After_Selected">
-   <property name="text">
-    <string>Add After Selected</string>
-   </property>
-  </action>
-  <action name="actionRemove_Selected">
-   <property name="text">
-    <string>Remove Selected</string>
-   </property>
-  </action>
-  <action name="actionTangent_Stepped">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Stepped.png</normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Stepped.png</iconset>
-   </property>
-   <property name="text">
-    <string>Stepped Tangent</string>
-   </property>
-  </action>
-  <action name="actionTangent_Linear">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Linear.png</normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Linear.png</iconset>
-   </property>
-   <property name="text">
-    <string>Linear Tangent</string>
-   </property>
-  </action>
-  <action name="actionTangent_Smooth">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Smooth.png</normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Smooth.png</iconset>
-   </property>
-   <property name="text">
-    <string>Smooth Tangent</string>
-   </property>
-  </action>
-  <action name="actionTangent_Ease_Out">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_EaseOut.png</normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_EaseOut.png</iconset>
-   </property>
-   <property name="text">
-    <string>Ease Out Tangent</string>
-   </property>
-  </action>
-  <action name="actionTangent_Ease_In">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_EaseIn.png</normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_EaseIn.png</iconset>
-   </property>
-   <property name="text">
-    <string>Ease In Tangent</string>
-   </property>
-  </action>
-  <action name="actionTangent_Spline">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Spline.png</normaloff>:/AppMainWindow/Icon/Toobar_TangentTypes_Spline.png</iconset>
-   </property>
-   <property name="text">
-    <string>Spline Tangent</string>
-   </property>
-  </action>
-  <action name="actionSnap_All">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_SnapMode_All.png</normaloff>:/AppMainWindow/Icon/Toobar_SnapMode_All.png</iconset>
-   </property>
-   <property name="text">
-    <string>Snap All</string>
-   </property>
-  </action>
-  <action name="actionSnap_Horizontal">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_SnapMode_Horizontal.png</normaloff>:/AppMainWindow/Icon/Toobar_SnapMode_Horizontal.png</iconset>
-   </property>
-   <property name="text">
-    <string>Snap Horizontal</string>
-   </property>
-  </action>
-  <action name="actionSnap_Vertical">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_SnapMode_Vertical.png</normaloff>:/AppMainWindow/Icon/Toobar_SnapMode_Vertical.png</iconset>
-   </property>
-   <property name="text">
-    <string>Snap Vertical</string>
-   </property>
-  </action>
-  <action name="actionExpand_Horizontally">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ExpandHorizontally.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ExpandHorizontally.png</iconset>
-   </property>
-   <property name="text">
-    <string>Expand Horizontally</string>
-   </property>
-   <property name="toolTip">
-    <string>Expand Horizontally</string>
-   </property>
-  </action>
-  <action name="actionExpand_Vertically">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ExpandVertically.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ExpandVertically.png</iconset>
-   </property>
-   <property name="text">
-    <string>Expand Vertically</string>
-   </property>
-   <property name="toolTip">
-    <string>Expand Vertically</string>
-   </property>
-  </action>
-  <action name="actionFrame_Horizontally">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_FrameHorizontally.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_FrameHorizontally.png</iconset>
-   </property>
-   <property name="text">
-    <string>Frame Horizontally</string>
-   </property>
-   <property name="toolTip">
-    <string>Frame Horizontally</string>
-   </property>
-  </action>
-  <action name="actionFrame_Vertically">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_FrameVertically.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_FrameVertically.png</iconset>
-   </property>
-   <property name="text">
-    <string>Frame Vertically</string>
-   </property>
-   <property name="toolTip">
-    <string>Frame Vertically</string>
-   </property>
-  </action>
-  <action name="actionFrame_All">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_FrameAll.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_FrameAll.png</iconset>
-   </property>
-   <property name="text">
-    <string>Frame All</string>
-   </property>
-   <property name="toolTip">
-    <string>Frame All</string>
-   </property>
-  </action>
-  <action name="actionContract_Horizontally">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ContractHorizontally.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ContractHorizontally.png</iconset>
-   </property>
-   <property name="text">
-    <string>Contract Horizontally</string>
-   </property>
-   <property name="toolTip">
-    <string>Contract Horizontally</string>
-   </property>
-  </action>
-  <action name="actionContract_Vertically">
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ContractVertically.png</normaloff>:/AppMainWindow/Icon/Toobar_GraphView_ContractVertically.png</iconset>
-   </property>
-   <property name="text">
-    <string>Contract Vertically</string>
-   </property>
-   <property name="toolTip">
-    <string>Contract Vertically</string>
-   </property>
-  </action>
-  <action name="actionAdd_Control_Point_By_Click">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_AddControlPoints.png</normaloff>:/AppMainWindow/Icon/Toobar_AddControlPoints.png</iconset>
-   </property>
-   <property name="text">
-    <string>Add Control Point By Click</string>
-   </property>
-   <property name="toolTip">
-    <string>Add Control Point By Click</string>
-   </property>
-  </action>
-  <action name="actionRemove_Control_Point_By_Click">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="icon">
-    <iconset resource="Resources/CurveEditor.qrc">
-     <normaloff>:/AppMainWindow/Icon/Toobar_RemoveControlPoints.png</normaloff>:/AppMainWindow/Icon/Toobar_RemoveControlPoints.png</iconset>
-   </property>
-   <property name="text">
-    <string>Remove Control Point By Click</string>
-   </property>
-   <property name="toolTip">
-    <string>Remove Control Point By Click</string>
-   </property>
-  </action>
-  <action name="actionReset_Curve">
-   <property name="text">
-    <string>Reset Curve</string>
-   </property>
-  </action>
- </widget>
- <layoutdefault spacing="6" margin="11"/>
- <resources>
-  <include location="Resources/CurveEditor.qrc"/>
- </resources>
- <connections/>
-</ui>
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/CurveEditor.qrc b/tools/CurveEditor/source/Internal/UI/Resources/CurveEditor.qrc
deleted file mode 100644
index 2949352..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/CurveEditor.qrc
+++ /dev/null
@@ -1,27 +0,0 @@
-<RCC>
-    <qresource prefix="/AppMainWindow">
-        <file>./Icon/Toobar_GraphView_FrameAll.png</file>
-        <file>./Icon/Toobar_GraphView_FrameHorizontally.png</file>
-        <file>./Icon/Toobar_GraphView_FrameVertically.png</file>
-        <file>./Icon/Toobar_SnapMode_All.png</file>
-        <file>./Icon/Toobar_SnapMode_Horizontal.png</file>
-        <file>./Icon/Toobar_SnapMode_Vertical.png</file>
-        <file>./Icon/Toobar_TangentTypes_EaseIn.png</file>
-        <file>./Icon/Toobar_TangentTypes_EaseOut.png</file>
-        <file>./Icon/Toobar_TangentTypes_Linear.png</file>
-        <file>./Icon/Toobar_TangentTypes_Smooth.png</file>
-        <file>./Icon/Toobar_TangentTypes_Spline.png</file>
-        <file>./Icon/Toobar_TangentTypes_Stepped.png</file>
-        <file>./Icon/TextureEnabled_icon.png</file>
-        <file>./Icon/TextureIsUsed_icon.png</file>
-        <file>./Icon/Refresh_icon.png</file>
-        <file>./Icon/Remove_icon.png</file>
-        <file>./Icon/CurveEditor.png</file>
-        <file>./Icon/Toobar_GraphView_ContractHorizontally.png</file>
-        <file>./Icon/Toobar_GraphView_ExpandHorizontally.png</file>
-        <file>./Icon/Toobar_GraphView_ContractVertically.png</file>
-        <file>./Icon/Toobar_GraphView_ExpandVertically.png</file>
-        <file>./Icon/Toobar_AddControlPoints.png</file>
-        <file>./Icon/Toobar_RemoveControlPoints.png</file>
-    </qresource>
-</RCC>
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/CurveEditor.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/CurveEditor.png
deleted file mode 100644
index f92c6e4..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/CurveEditor.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Refresh_icon.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Refresh_icon.png
deleted file mode 100644
index c189dd5..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Refresh_icon.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Remove_icon.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Remove_icon.png
deleted file mode 100644
index ebb63d9..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Remove_icon.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/TextureEnabled_icon.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/TextureEnabled_icon.png
deleted file mode 100644
index a8f11d5..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/TextureEnabled_icon.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/TextureIsUsed_icon.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/TextureIsUsed_icon.png
deleted file mode 100644
index 75d52dc..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/TextureIsUsed_icon.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_AddControlPoints.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_AddControlPoints.png
deleted file mode 100644
index 1a59d5b..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_AddControlPoints.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractExpandHorizontally.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractExpandHorizontally.png
deleted file mode 100644
index 83b6ebe..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractExpandHorizontally.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractExpandVertically.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractExpandVertically.png
deleted file mode 100644
index 7d550b1..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractExpandVertically.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractHorizontally.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractHorizontally.png
deleted file mode 100644
index a96c5b3..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractHorizontally.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractVertically.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractVertically.png
deleted file mode 100644
index 8e5e756..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ContractVertically.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ExpandHorizontally.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ExpandHorizontally.png
deleted file mode 100644
index e41bf02..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ExpandHorizontally.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ExpandVertically.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ExpandVertically.png
deleted file mode 100644
index 5ea0736..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_ExpandVertically.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameAll.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameAll.png
deleted file mode 100644
index 4922be3..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameAll.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameHorizontally.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameHorizontally.png
deleted file mode 100644
index 257d955..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameHorizontally.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameVertically.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameVertically.png
deleted file mode 100644
index 022424a..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_GraphView_FrameVertically.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_RemoveControlPoints.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_RemoveControlPoints.png
deleted file mode 100644
index c068476..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_RemoveControlPoints.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_All.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_All.png
deleted file mode 100644
index 6d24094..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_All.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_Horizontal.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_Horizontal.png
deleted file mode 100644
index f114cef..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_Horizontal.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_Vertical.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_Vertical.png
deleted file mode 100644
index 964aa21..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_SnapMode_Vertical.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_EaseIn.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_EaseIn.png
deleted file mode 100644
index acaa44d..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_EaseIn.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_EaseOut.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_EaseOut.png
deleted file mode 100644
index 9cbd95b..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_EaseOut.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Linear.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Linear.png
deleted file mode 100644
index bc28bd9..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Linear.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Smooth.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Smooth.png
deleted file mode 100644
index 71d526f..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Smooth.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Spline.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Spline.png
deleted file mode 100644
index 3d57ddc..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Spline.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Stepped.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Stepped.png
deleted file mode 100644
index 27f66e6..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/Toobar_TangentTypes_Stepped.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/UI/Resources/Icon/refreshReload.png b/tools/CurveEditor/source/Internal/UI/Resources/Icon/refreshReload.png
deleted file mode 100644
index 745c9cb..0000000
--- a/tools/CurveEditor/source/Internal/UI/Resources/Icon/refreshReload.png
+++ /dev/null
diff --git a/tools/CurveEditor/source/Internal/Window/AlphaDialog.cpp b/tools/CurveEditor/source/Internal/Window/AlphaDialog.cpp
deleted file mode 100644
index a51a802..0000000
--- a/tools/CurveEditor/source/Internal/Window/AlphaDialog.cpp
+++ /dev/null
@@ -1,181 +0,0 @@
-#include "AlphaDialog.h"
-#include "ui_AlphaDialog.h"
-#include <QtGui/QPaintEvent>
-#include <QtGui/QPainter>
-#include <QtGui/QPainterPath>
-
-namespace nvidia {
-namespace CurveEditor {
-
-const int MARGIN_X = 8;
-const int MARGIN_Y = 8;
-
-const int ALPHA_W = 255;
-const int ALPHA_H = 30;
-
-const int CURSOR_W = 12;
-const int CURSOR_H = 12;
-
-static QImage s_triangleUp;
-
-void InitTriangleResources(int w, int h)
-{
-    s_triangleUp  = QImage(w, h, QImage::Format_ARGB32);
-    s_triangleUp.fill(QColor(0, 0, 0, 0));
-
-    // a painter cannot switch device?
-    QPainterPath path;
-    QPainter painter(&s_triangleUp);
-    painter.setRenderHint(QPainter::Antialiasing,true);
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>1, 0);
-    path.lineTo(0, h);
-    path.lineTo(w, h);
-    path.lineTo(w>>1, 0);
-    painter.setPen(Qt::NoPen);
-    painter.fillPath(path, QBrush(QColor(50, 50, 50)));
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool isClickedInCursor(const QPoint& cursorPos, const QPoint& p)
-{
-    QVector<QPoint> points;
-    points.push_back(cursorPos);
-    points.push_back(QPoint(cursorPos.x() - (CURSOR_W>>1), cursorPos.y() + CURSOR_H));
-    points.push_back(QPoint(cursorPos.x() + (CURSOR_W>>1), cursorPos.y() + CURSOR_H));
-    points.push_back(cursorPos);
-
-    QPolygon polygon(points);
-    return polygon.containsPoint(p, Qt::OddEvenFill);
-}
-
-//////////////////////////////////////////////////////////////////////////////
- int AlphaDialog::getAlpha(int alpha, QWidget *parent)
- {
-     AlphaDialog dlg(parent, alpha);
-     dlg.exec();
-     return dlg._alpha;
- }
-
-//////////////////////////////////////////////////////////////////////////////
-AlphaDialog::AlphaDialog(QWidget *parent, int alpha) :
-    QDialog(parent),
-    ui(new Ui::AlphaDialog),
-    _drag(false),
-    _alpha(alpha),
-    _xOffset(0)
-{
-    ui->setupUi(this);
-    setWindowFlags(windowFlags()&~Qt::WindowContextHelpButtonHint);
-    setFixedWidth(271);
-    setFixedHeight(120);
-
-    ui->spinBoxAlpha->setValue(_alpha);
-
-    InitTriangleResources(12, 12);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-AlphaDialog::~AlphaDialog()
-{
-    delete ui;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void AlphaDialog::paintEvent(QPaintEvent * e)
-{
-    QDialog::paintEvent(e);
-
-    QPainter painter;
-    painter.begin(this);
-    drawAlphaRectangle(painter);
-    drawCursor(painter, _alpha + MARGIN_X);
-    painter.end();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void AlphaDialog::mousePressEvent( QMouseEvent* e )
-{
-    if(e->button() & Qt::LeftButton)
-    {
-        QPoint mousePos = e->pos();
-
-        if (isClickedInCursor(QPoint(_alpha + MARGIN_X, MARGIN_Y + ALPHA_H), mousePos))
-        {
-            _xOffset = _alpha + MARGIN_X - mousePos.x();
-            _drag = true;
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void AlphaDialog::mouseReleaseEvent( QMouseEvent* e )
-{
-    _drag = false;
-    _xOffset = -1;
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void AlphaDialog::mouseMoveEvent( QMouseEvent* e )
-{
-    Qt::MouseButtons buttons = e->buttons();
-
-    if(buttons & Qt::LeftButton)
-    {
-        if (_drag)
-        {
-            QPoint mousePos = e->pos();
-
-            _alpha = mousePos.x() + _xOffset - MARGIN_X;
-            if (_alpha < 0)
-            {
-                _alpha = 0;
-            }
-            else if(_alpha > ALPHA_W)
-            {
-                _alpha = ALPHA_W;
-            }
-            ui->spinBoxAlpha->setValue(_alpha);
-            update();
-        }
-    }
-}
-
-void AlphaDialog::drawAlphaRectangle(QPainter& painter)
-{
-    QPointF topLeftPnt(MARGIN_X, MARGIN_Y);
-    QPointF topRightPnt(MARGIN_X + ALPHA_W, MARGIN_Y);
-    QPointF bottomRightPnt(MARGIN_X + ALPHA_W, MARGIN_Y + ALPHA_H);
-    QPointF bottomLeftPnt(MARGIN_X, MARGIN_Y + ALPHA_H);
-    QPainterPath path;
-    path.moveTo(topLeftPnt);
-    path.lineTo(topRightPnt);
-    path.lineTo(bottomRightPnt);
-    path.lineTo(bottomLeftPnt);
-
-    QColor colorLeft(0, 0, 0, 255);
-    QColor colorRight(255, 255, 255, 255);
-    colorLeft.setAlpha(255);
-    colorRight.setAlpha(255);
-    QLinearGradient indicatorGradient(topLeftPnt,topRightPnt);
-    indicatorGradient.setColorAt(0.0, colorLeft);
-    indicatorGradient.setColorAt(1.0, colorRight);
-
-    painter.fillPath(path, indicatorGradient);
-}
-
-void AlphaDialog::drawCursor(QPainter& painter, int xPos)
-{
-    QRect rect(xPos - (CURSOR_W>>1), MARGIN_Y + ALPHA_H, CURSOR_W, CURSOR_H);
-    painter.drawImage(rect, s_triangleUp);
-
-}
-
-void AlphaDialog::on_spinBoxAlpha_valueChanged(int arg1)
-{
-    _alpha = arg1;
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Window/AlphaDialog.h b/tools/CurveEditor/source/Internal/Window/AlphaDialog.h
deleted file mode 100644
index 985d0b4..0000000
--- a/tools/CurveEditor/source/Internal/Window/AlphaDialog.h
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef ALPHADIALOG_H
-#define ALPHADIALOG_H
-
-#include <QtWidgets/QDialog>
-
-namespace Ui {
-    class AlphaDialog;
-}
-
-namespace nvidia {
-namespace CurveEditor {
-
-class AlphaDialog : public QDialog
-{
-    Q_OBJECT
-
-public:
-    static int getAlpha(int alpha = 255, QWidget *parent = 0);
-
-    explicit AlphaDialog(QWidget *parent = 0, int alpha = 255);
-    ~AlphaDialog();
-
-protected:
-    // QWidget events
-    virtual void paintEvent(QPaintEvent * e);
-
-    virtual void mousePressEvent(QMouseEvent* e);
-    virtual void mouseReleaseEvent(QMouseEvent* e);
-    virtual void mouseMoveEvent(QMouseEvent* e);
-private slots:
-    void on_spinBoxAlpha_valueChanged(int arg1);
-
-private:
-    void drawAlphaRectangle(QPainter& painter);
-    void drawCursor(QPainter& painter, int xPos);
-
-private:
-    Ui::AlphaDialog *ui;
-    bool                    _drag;
-    int                     _alpha;
-    int                     _xOffset;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // ALPHADIALOG_H
diff --git a/tools/CurveEditor/source/Internal/Window/ColorWidget.cpp b/tools/CurveEditor/source/Internal/Window/ColorWidget.cpp
deleted file mode 100644
index a84ee70..0000000
--- a/tools/CurveEditor/source/Internal/Window/ColorWidget.cpp
+++ /dev/null
@@ -1,1724 +0,0 @@
-#include "ColorWidget.h"
-#include <QtGui/QPaintEvent>
-#include <QtGui/QPainter>
-#include <QtGui/QPainterPath>
-#include <QtGui/QImage>
-#include <assert.h>
-#include <QtCore/QDebug>
-#include <QtCore/QTime>
-#include <QtWidgets/QToolTip>
-#include "CurveEditorMainWindow.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-const int MARGIN_X = 8;
-const int MARGIN_Y = 4;
-const int CONTROL_POINT_CURSOR_W = 12;
-const int CONTROL_POINT_CURSOR_H = 12;
-const int WEIGHT_CURSOR_W = 6;
-const int WEIGHT_CURSOR_H = 6;
-const int SPACING_V = 0;
-
-static QImage S_CtrlPntWithTexCursorNormalImg;
-static QImage S_CtrlPntWithTexCursorPickedImg;
-static QImage S_WeightCursorNormalImg;
-static QImage S_WeightCursorPickedImg;
-
-#define ROUND(v) (int(v + 0.5))
-
-class TimeConsumeTracker
-{
-public:
-    TimeConsumeTracker(QString text)
-        : _text(text)
-    {
-        _time.start();
-    }
-
-    ~TimeConsumeTracker()
-    {
-        qDebug()<<_text<<" consume: "<<_time.elapsed();
-    }
-
-    QTime       _time; 
-    QString     _text;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-void InitCursorResources()
-{
-    int w = CONTROL_POINT_CURSOR_W;
-    int h = CONTROL_POINT_CURSOR_H;
-    S_CtrlPntWithTexCursorNormalImg = QImage(w, h, QImage::Format_ARGB32);
-    S_CtrlPntWithTexCursorPickedImg  = QImage(w, h, QImage::Format_ARGB32);
-    S_CtrlPntWithTexCursorNormalImg.fill(QColor(0, 0, 0, 0));
-    S_CtrlPntWithTexCursorPickedImg.fill(QColor(0, 0, 0, 0));
-
-    ///////////////////////////////////////////////////////////////////////////
-    QPainter painter(&S_CtrlPntWithTexCursorNormalImg);
-    painter.setRenderHint(QPainter::Antialiasing, true);
-    QPainterPath path;    // trick to clear up a path
-    path.moveTo(w >> 1, 0);
-    path.lineTo(w >> 2, h >> 2);
-    path.lineTo(w >> 1, h >> 1);
-    path.lineTo((w >> 1) + (w >> 2), h >> 2);
-    path.lineTo(w >> 1, 0);
-    painter.setPen(Qt::NoPen);
-    painter.fillPath(path, QBrush(QColor(255, 255, 255)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w >> 2, h >> 2);
-    path.lineTo(0, h >> 1);
-    path.lineTo(w >> 2, (h >> 1) + (h >> 2));
-    path.lineTo(w >> 1, h >> 1);
-    path.lineTo(w >> 2, h >> 2);
-    painter.setPen(Qt::NoPen);
-    painter.fillPath(path, (QColor(0, 0, 0)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w >> 1, h >> 1);
-    path.lineTo(w >> 2, (h >> 1) + (h >> 2));
-    path.lineTo(w >> 1, h);
-    path.lineTo((w >> 1) + (w >> 2), (h >> 1) + (h >> 2));
-    path.lineTo(w >> 1, h >> 1);
-    painter.setPen(Qt::NoPen);
-    painter.fillPath(path, QBrush(QColor(255, 255, 255)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo((w >> 1) + (w >> 2), h >> 2);
-    path.lineTo(w >> 1, h >> 1);
-    path.lineTo((w >> 1) + (w >> 2), (h >> 1) + (h >> 2));
-    path.lineTo(w, h >> 1);
-    path.lineTo((w >> 1) + (w >> 2), h >> 2);
-    painter.setPen(Qt::NoPen);
-    painter.fillPath(path, (QColor(0, 0, 0)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w >> 1, 0);
-    path.lineTo(0, h >> 1);
-    path.lineTo(w >> 1, h);
-    path.lineTo(w, h >> 1);
-    path.lineTo(w >> 1, 0);
-    painter.setPen(QPen(Qt::white, 1, Qt::SolidLine));
-    painter.drawPath(path);
-
-    ///////////////////////////////////////////////////////////////////////////
-    // a painter cannot switch device?
-    QPainter painter2(&S_CtrlPntWithTexCursorPickedImg);
-    painter2.setRenderHint(QPainter::Antialiasing,true);
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>1, 0);
-    path.lineTo(w>>2, h>>2);
-    path.lineTo(w>>1, h>>1);
-    path.lineTo((w>>1)+(w>>2), h>>2);
-    path.lineTo(w>>1, 0);
-    painter2.setPen(Qt::NoPen);
-    painter2.fillPath(path, QBrush(QColor(255, 255, 255)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>2, h>>2);
-    path.lineTo(0, h>>1);
-    path.lineTo(w>>2, (h>>1)+(h>>2));
-    path.lineTo(w>>1, h>>1);
-    path.lineTo(w>>2, h>>2);
-    painter2.setPen(Qt::NoPen);
-    painter2.fillPath(path, (QColor(0, 0, 0)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>1, h>>1);
-    path.lineTo(w>>2, (h>>1)+(h>>2));
-    path.lineTo(w>>1, h);
-    path.lineTo((w>>1)+(w>>2), (h>>1)+(h>>2));
-    path.lineTo(w>>1, h>>1);
-    painter2.setPen(Qt::NoPen);
-    painter2.fillPath(path, QBrush(QColor(255, 255, 255)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo((w>>1)+(w>>2), h>>2);
-    path.lineTo(w>>1, h>>1);
-    path.lineTo((w>>1)+(w>>2), (h>>1)+(h>>2));
-    path.lineTo(w, h>>1);
-    path.lineTo((w>>1)+(w>>2), h>>2);
-    painter2.setPen(Qt::NoPen);
-    painter2.fillPath(path, (QColor(0, 0, 0)));
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>1, 0);
-    path.lineTo(0, h>>1);
-    path.lineTo(w>>1, h);
-    path.lineTo(w, h>>1);
-    path.lineTo(w>>1, 0);
-    painter2.setPen(QPen(Qt::green,1, Qt::SolidLine));
-    painter2.drawPath(path);
-
-    ///////////////////////////////////////////////////////////////////////////
-    w = WEIGHT_CURSOR_W;
-    h = WEIGHT_CURSOR_H;
-    S_WeightCursorNormalImg = QImage(w, h, QImage::Format_ARGB32);
-    S_WeightCursorPickedImg  = QImage(w, h, QImage::Format_ARGB32);
-    S_WeightCursorNormalImg.fill(QColor(0, 0, 0, 0));
-    S_WeightCursorPickedImg.fill(QColor(0, 0, 0, 0));
-    ///////////////////////////////////////////////////////////////////////////
-    QPainter painter3(&S_WeightCursorNormalImg);
-    painter3.setRenderHints(QPainter::Antialiasing,true);
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>1, 0);
-    path.lineTo(0, h>>1);
-    path.lineTo(w>>1, h);
-    path.lineTo(w, h>>1);
-    path.lineTo(w>>1, 0);
-    painter3.setPen(QPen(Qt::black, 1, Qt::SolidLine));
-    painter3.drawPath(path);
-    painter3.fillPath(path, QBrush(QColor(255, 255, 255)));
-
-    ///////////////////////////////////////////////////////////////////////////
-    QPainter painter4(&S_WeightCursorPickedImg);
-    painter4.setRenderHints(QPainter::Antialiasing,true);
-
-    path = QPainterPath();    // trick to clear up a path
-    path.moveTo(w>>1, 0);
-    path.lineTo(0, h>>1);
-    path.lineTo(w>>1, h);
-    path.lineTo(w, h>>1);
-    path.lineTo(w>>1, 0);
-    painter4.setPen(QPen(Qt::black, 1, Qt::SolidLine));
-    painter4.drawPath(path);
-    painter4.fillPath(path, QBrush(QColor(0, 0, 0)));
-}
-
-//////////////////////////////////////////////////////////////////////////////
-float NDCToScreenCoord(QWidget* pWidget, float xValueOfUnitInterval)
-{
-    int w = pWidget->width();
-    return MARGIN_X + (w - MARGIN_X * 2.0) * xValueOfUnitInterval;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-float _screenToNDC(QWidget* pWidget, int xPos)
-{
-    int w = pWidget->width();
-    return ((float)(xPos - MARGIN_X)) / (w - MARGIN_X * 2.0f);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool isClickedInCtrlPntCursor(const QPointF& cursorPos, const QPointF& p)
-{
-    QVector<QPointF> points;
-    points.push_back(cursorPos);
-    points.push_back(QPointF(cursorPos.x() - CONTROL_POINT_CURSOR_W/2, cursorPos.y() + CONTROL_POINT_CURSOR_H/2));
-    points.push_back(QPointF(cursorPos.x(), cursorPos.y() + CONTROL_POINT_CURSOR_H));
-    points.push_back(QPointF(cursorPos.x() + CONTROL_POINT_CURSOR_W/2, cursorPos.y() + CONTROL_POINT_CURSOR_H/2));
-    points.push_back(cursorPos);
-    QPolygonF polygon(points);
-    return polygon.containsPoint(p, Qt::OddEvenFill);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool isClickedInWeightCursor(const QPointF& cursorPos, const QPointF& p)
-{
-    QVector<QPointF> points;
-    points.push_back(cursorPos);
-    points.push_back(QPointF(cursorPos.x() - WEIGHT_CURSOR_W/2, cursorPos.y() + WEIGHT_CURSOR_H/2));
-    points.push_back(QPointF(cursorPos.x(), cursorPos.y() + WEIGHT_CURSOR_H));
-    points.push_back(QPointF(cursorPos.x() + WEIGHT_CURSOR_W/2, cursorPos.y() + WEIGHT_CURSOR_H/2));
-    points.push_back(cursorPos);
-    QPolygonF polygon(points);
-    return polygon.containsPoint(p, Qt::OddEvenFill);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QImage genControlPointCursorImg(const QColor& color, bool picked = false)
-{
-    int w = CONTROL_POINT_CURSOR_W;
-    int h = CONTROL_POINT_CURSOR_H;
-    QImage image = QImage(w, h, QImage::Format_ARGB32);
-    image.fill(QColor(0, 0, 0, 0));
-
-    QPainter painter(&image);
-    painter.setRenderHints(QPainter::Antialiasing,true);
-
-    QPainterPath path;
-    path.moveTo(w>>1, 0);
-    path.lineTo(0, h>>1);
-    path.lineTo(w>>1, h);
-    path.lineTo(w, h>>1);
-    path.lineTo(w>>1, 0);
-    if (picked)
-    {
-        painter.setPen(QPen(Qt::green, 1, Qt::SolidLine));
-        painter.drawPath(path);
-    }
-
-    painter.fillPath(path, QBrush(color));
-
-    return image;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-ColorWidget::ColorWidget(QWidget *parent) :
-    QFrame(parent),
-    _isLink(false),
-    _colorAttribute(nullptr),
-    _colorCurve(nullptr),
-    _alphaCurve(nullptr),
-    _canAddRemoveControlPoint(false),
-    _canAddCtrlPntByClick(false),
-    _canRemoveCtrlPntByClick(false),
-    _curveFitWindowScale(1),
-    _curveFitWindowOffset(0),
-    _pickedColorCtrlPnt(-1),
-    _pickedAlphaCtrlPnt(-1),
-    _pickedColorWeight(-1),
-    _pickedAlphaWeight(-1),
-    _dragColorCtrlPnt(false),
-    _dragAlphaCtrlPnt(false),
-    _dragColorWeight(false),
-    _dragAlphaWeight(false),
-    _colorCtrlPntToRemove(-1),
-    _alphaCtrlPntToRemove(-1),
-    _contextMenu(nullptr),
-    _removeCtrlPntAction(nullptr)
-{
-    setFocusPolicy(Qt::ClickFocus );
-
-    InitCursorResources();
-
-    setContextMenuPolicy(Qt::CustomContextMenu);
-    connect(this, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(onShowContextMenu(const QPoint&)));
-
-    _contextMenu = new QMenu(this);;
-    _removeCtrlPntAction = new QAction(this);
-    _removeCtrlPntAction->setText(tr("Remove Control Point"));
-    _contextMenu->addAction(_removeCtrlPntAction);
-
-    connect(_removeCtrlPntAction, SIGNAL(triggered()), this, SLOT(onRemoveControlPoint()) );
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QColor ColorWidget::getColor()
-{
-    QColor color;
-    if (_pickedColorCtrlPnt != -1)
-    {
-        color = _colorCurve->getControlPoint(_pickedColorCtrlPnt).color;
-    }
-    return color;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-int ColorWidget::getAlpha()
-{
-    if (_pickedAlphaCtrlPnt != -1)
-    {
-        if (_isLink)
-        {
-            return _colorCurve->getControlPoint(_pickedAlphaCtrlPnt).color.alpha();
-        }
-        else
-        {
-            return _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt).color.alpha();
-        }
-    }
-    return 0;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setColor(const QColor& color)
-{
-    if (_pickedColorCtrlPnt != -1)
-    {
-        ColorControlPoint pickedColorPnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-
-        pickedColorPnt.color.setRed(color.red());
-        pickedColorPnt.color.setGreen(color.green());
-        pickedColorPnt.color.setBlue(color.blue());
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pickedColorPnt);
-
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setAlpha(int alpha)
-{
-    if (_pickedColorCtrlPnt != -1)
-    {
-        ColorControlPoint pickedColorPnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pickedColorPnt.color.setAlpha(alpha);
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pickedColorPnt);
-
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-float ColorWidget::getColorFallOff()
-{
-    if (_colorCurve && -1 != _pickedColorCtrlPnt)
-    {
-        const ColorControlPoint& pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        return pnt.fallOff;
-    }
-    return 0;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setColorFallOff(float fallOff)
-{
-    if (_colorCurve && -1 != _pickedColorCtrlPnt)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.fallOff = fallOff;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-float ColorWidget::getAlphaFallOff()
-{
-    if (_isLink)
-    {
-        if (_colorCurve && -1 != _pickedColorCtrlPnt)
-        {
-            const ColorControlPoint& pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-            return pnt.fallOff;
-        }
-    }
-    else
-    {
-        if (_alphaCurve && -1 != _pickedAlphaCtrlPnt)
-        {
-            const ColorControlPoint& pnt = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-            return pnt.fallOff;
-        }
-    }
-    return 0;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setAlphaFallOff(float fallOff)
-{
-    if (_isLink)
-    {
-        if (_colorCurve && -1 != _pickedColorCtrlPnt)
-        {
-            ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-            pnt.fallOff = fallOff;
-            _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-            emit ColorAttributeChanged(_colorAttribute);
-            update();
-        }
-    }
-    else
-    {
-        if (_alphaCurve && -1 != _pickedAlphaCtrlPnt)
-        {
-            ColorControlPoint pnt = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-            pnt.fallOff = fallOff;
-            _alphaCurve->setControlPoint(_pickedAlphaCtrlPnt, pnt);
-
-            emit ColorAttributeChanged(_colorAttribute);
-            update();
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setColorAttribute(ColorAttribute* colorAttribute)
-{
-    _colorAttribute = colorAttribute;
-    if (colorAttribute != nullptr)
-    {
-        _colorCurve = &(colorAttribute->colorCurve);
-        _alphaCurve = &(colorAttribute->alphaCurve);
-    }
-    else
-    {
-        _colorCurve = nullptr;
-        _alphaCurve = nullptr;
-    }
-
-    if (_alphaCurve !=nullptr && _alphaCurve->getControlPointCount() < 2)
-    {
-        _isLink = true;
-    }
-    else
-    {
-        _isLink = false;
-    }
-
-    _pickedColorCtrlPnt = -1;
-    _pickedAlphaCtrlPnt = -1;
-    _pickedColorWeight = -1;
-    _pickedAlphaWeight = -1;
-    _dragColorCtrlPnt = false;
-    _dragAlphaCtrlPnt = false;
-    _dragColorWeight = false;
-    _dragAlphaWeight = false;
-
-    _updateCurveFitWindowPara();
-    if (_colorCurve)
-        _colorCurve->_needSample = true;
-    if (_alphaCurve)
-        _alphaCurve->_needSample = true;
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::reset()
-{
-    if (_colorAttribute)
-    {
-        _colorAttribute->colorCurve.reset();
-        _colorAttribute->alphaCurve.reset();
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::addControlPointsBeforeSelected()
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        if (_pickedColorCtrlPnt == 0)
-            return;
-
-        _colorCurve->insertControlPointAt(_pickedColorCtrlPnt);
-        ++_pickedColorCtrlPnt;
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        if (_pickedAlphaCtrlPnt == 0)
-            return;
-
-        _alphaCurve->insertControlPointAt(_pickedAlphaCtrlPnt);
-        ++_pickedAlphaCtrlPnt;
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::addControlPointsAfterSelected()
-{
-    if (-1 != _pickedColorCtrlPnt )
-    {
-        _colorCurve->insertControlPointAt(_pickedColorCtrlPnt + 1);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        _alphaCurve->insertControlPointAt(_pickedAlphaCtrlPnt + 1);
-    }
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::removeSelectedControlPoint()
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        _colorCurve->removeControlPoint(_pickedColorCtrlPnt);
-        _pickedColorCtrlPnt = -1;
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        _alphaCurve->removeControlPoint(_pickedAlphaCtrlPnt);
-        _pickedAlphaCtrlPnt = -1;
-    }
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setTangentType(InterpolateMode mode)
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.mode = mode;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        ColorControlPoint pnt = _alphaCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.mode = mode;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setSmoothTangent()
-{
-    if (-1 != _pickedColorCtrlPnt && _pickedColorCtrlPnt < (_colorCurve->getControlPointCount() - 1) )
-    {
-        ColorControlPoint ctrlctrlPntFront = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        ctrlctrlPntFront.mode = eBezierSpline;
-        ctrlctrlPntFront.splineData.outLen = 1.0;
-        ctrlctrlPntFront.splineData.outTan = 0;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, ctrlctrlPntFront);
-
-        ColorControlPoint ctrlPntBehiand = _colorCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-        ctrlPntBehiand.mode = eBezierSpline;
-        ctrlPntBehiand.splineData.inLen = 1.0;
-        ctrlPntBehiand.splineData.inTan = 0.0;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt + 1, ctrlPntBehiand);
-
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt && _pickedAlphaCtrlPnt < (_alphaCurve->getControlPointCount() - 1) )
-    {
-        ColorControlPoint ctrlctrlPntFront = _alphaCurve->getControlPoint(_pickedColorCtrlPnt);
-        ctrlctrlPntFront.mode = eBezierSpline;
-        ctrlctrlPntFront.splineData.outLen = 1.0;
-        ctrlctrlPntFront.splineData.outTan = 0;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt, ctrlctrlPntFront);
-
-        ColorControlPoint ctrlPntBehiand = _alphaCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-        ctrlPntBehiand.mode = eBezierSpline;
-        ctrlPntBehiand.splineData.inLen = 1.0;
-        ctrlPntBehiand.splineData.inTan = 0.0;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt + 1, ctrlPntBehiand);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setEaseInTangent()
-{
-    if (-1 != _pickedColorCtrlPnt && _pickedColorCtrlPnt < (_colorCurve->getControlPointCount() - 1) )
-    {
-        ColorControlPoint ctrlctrlPntFront = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        ctrlctrlPntFront.mode = eBezierSpline;
-        ctrlctrlPntFront.splineData.outLen = 0.0;
-        ctrlctrlPntFront.splineData.outTan = 0;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, ctrlctrlPntFront);
-
-        ColorControlPoint ctrlPntBehiand = _colorCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-        ctrlPntBehiand.mode = eBezierSpline;
-        ctrlPntBehiand.splineData.inLen = 1.0;
-        ctrlPntBehiand.splineData.inTan = 0;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt + 1, ctrlPntBehiand);
-
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt && _pickedAlphaCtrlPnt < (_alphaCurve->getControlPointCount() - 1) )
-    {
-        ColorControlPoint ctrlctrlPntFront = _alphaCurve->getControlPoint(_pickedColorCtrlPnt);
-        ctrlctrlPntFront.mode = eBezierSpline;
-        ctrlctrlPntFront.splineData.outLen = 0.0;
-        ctrlctrlPntFront.splineData.outTan = 0;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt, ctrlctrlPntFront);
-
-        ColorControlPoint ctrlPntBehiand = _alphaCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-        ctrlPntBehiand.mode = eBezierSpline;
-        ctrlPntBehiand.splineData.inLen = 1.0;
-        ctrlPntBehiand.splineData.inTan = 0;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt + 1, ctrlPntBehiand);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setEaseOutTangent()
-{
-    if (-1 != _pickedColorCtrlPnt && _pickedColorCtrlPnt < (_colorCurve->getControlPointCount() - 1) )
-    {
-        ColorControlPoint ctrlctrlPntFront = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        ctrlctrlPntFront.mode = eBezierSpline;
-        ctrlctrlPntFront.splineData.outLen = 1.0;
-        ctrlctrlPntFront.splineData.outTan = 0;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, ctrlctrlPntFront);
-
-        ColorControlPoint ctrlPntBehiand = _colorCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-        ctrlPntBehiand.mode = eBezierSpline;
-        ctrlPntBehiand.splineData.inLen = 0.0;
-        ctrlPntBehiand.splineData.inTan = 0;
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt + 1, ctrlPntBehiand);
-
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt && _pickedAlphaCtrlPnt < (_alphaCurve->getControlPointCount() - 1) )
-    {
-        ColorControlPoint ctrlctrlPntFront = _alphaCurve->getControlPoint(_pickedColorCtrlPnt);
-        ctrlctrlPntFront.mode = eBezierSpline;
-        ctrlctrlPntFront.splineData.outLen = 1.0;
-        ctrlctrlPntFront.splineData.outTan = 0;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt, ctrlctrlPntFront);
-
-        ColorControlPoint ctrlPntBehiand = _alphaCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-        ctrlPntBehiand.mode = eBezierSpline;
-        ctrlPntBehiand.splineData.inLen = 0.0;
-        ctrlPntBehiand.splineData.inTan = 0;
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt + 1, ctrlPntBehiand);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QString ColorWidget::getColorTex()
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        return pnt.texturePath.c_str();
-    }
-    return "";
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setColorTex(const QString& strPath)
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.texturePath = strPath.toStdString();
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::reloadColorTex()
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        emit ReloadColorAttributeTexture(_colorAttribute, true, _pickedColorCtrlPnt);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::clearColorTex()
-{
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.texturePath = "";
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QString ColorWidget::getAlphaTex()
-{
-    if (-1 != _pickedColorCtrlPnt && _isLink)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        return pnt.texturePath.c_str();
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        ColorControlPoint pnt = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-        return pnt.texturePath.c_str();
-    }
-
-    return "";
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setAlphaTex(const QString& strPath)
-{
-    if (-1 != _pickedColorCtrlPnt && _isLink)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.texturePath = strPath.toStdString();
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        ColorControlPoint pnt = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-        pnt.texturePath = strPath.toStdString();
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::reloadAlphaTex()
-{
-    if (-1 != _pickedColorCtrlPnt && _isLink)
-    {
-        emit ReloadColorAttributeTexture(_colorAttribute, false, _pickedColorCtrlPnt);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        emit ReloadColorAttributeTexture(_colorAttribute, false, _pickedAlphaCtrlPnt);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::clearAlphaTex()
-{
-    if (-1 != _pickedColorCtrlPnt && _isLink)
-    {
-        ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        pnt.texturePath = "";
-        _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-    else if (-1 != _pickedAlphaCtrlPnt)
-    {
-        ColorControlPoint pnt = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-        pnt.texturePath = "";
-        _alphaCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::setUseAlphaFromColor(bool val)
-{
-    if (_colorAttribute && _colorAttribute->useAlphaFromColor != val)
-    {
-        _colorAttribute->useAlphaFromColor = val;
-        emit ColorAttributeChanged(_colorAttribute);
-    }
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::onShowContextMenu(const QPoint& pos)
-{
-    _colorCtrlPntToRemove = _checkColorCtrlPntCursorSelected(pos);
-    _alphaCtrlPntToRemove = _checkAlphaCtrlPntCursorSelected(pos);
-
-    if ( !_canAddRemoveControlPoint
-        || (-1 == _colorCtrlPntToRemove && -1 == _alphaCtrlPntToRemove)
-        || 2 == _colorCurve->_controlPoints.size() && -1 != _colorCtrlPntToRemove
-        || 2 == _alphaCurve->_controlPoints.size()  && -1 != _alphaCtrlPntToRemove)
-    {
-        _removeCtrlPntAction->setEnabled(false);
-    }
-    else
-    {
-        _removeCtrlPntAction->setEnabled(true);
-    }
-    _contextMenu->exec(QCursor::pos());
-}
-
-void ColorWidget::onRemoveControlPoint()
-{
-    if (-1 != _colorCtrlPntToRemove)
-    {
-        _colorCurve->removeControlPoint(_colorCtrlPntToRemove);
-
-        if (_colorCtrlPntToRemove == _pickedColorCtrlPnt)
-        {
-            if (_isLink)
-            {
-                _colorCtrlPntToRemove = -1;
-                _pickedColorCtrlPnt = -1;
-                _pickedAlphaCtrlPnt = -1;
-            }
-            else
-            {
-                _colorCtrlPntToRemove = -1;
-                _pickedColorCtrlPnt = -1;
-            }
-        }
-
-        _colorCurve->_needSample = true;
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-    else if (-1 != _alphaCtrlPntToRemove && _isLink)
-    {
-        _colorCurve->removeControlPoint(_alphaCtrlPntToRemove);
-
-        if (_alphaCtrlPntToRemove == _pickedAlphaCtrlPnt)
-        {
-            _alphaCtrlPntToRemove = -1;
-            _pickedColorCtrlPnt = -1;
-            _pickedAlphaCtrlPnt = -1;
-        }
-
-        _colorCurve->_needSample = true;
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-    else if (-1 != _alphaCtrlPntToRemove && !_isLink)
-    {
-        _alphaCurve->removeControlPoint(_alphaCtrlPntToRemove);
-
-        if (_alphaCtrlPntToRemove == _pickedAlphaCtrlPnt)
-        {
-            _colorCtrlPntToRemove = -1;
-            _pickedColorCtrlPnt = -1;
-        }
-
-        _alphaCurve->_needSample = true;
-        emit ColorAttributeChanged(_colorAttribute);
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool ColorWidget::event(QEvent *event)
-{
-    if (event->type() == QEvent::ToolTip) {
-        QHelpEvent* helpEvent = static_cast<QHelpEvent*>(event);
-        QPoint mousePos = helpEvent->pos();
-
-        QPointF mousePosF(mousePos.x(), mousePos.y());
-        int pickedColorCtrlPnt = _checkColorCtrlPntCursorSelected(mousePosF);
-        int pickedAlphaCtrlPnt = _checkAlphaCtrlPntCursorSelected(mousePosF);
-
-        if (-1 != pickedColorCtrlPnt)
-        {
-            const std::string& tex = _colorCurve->getControlPoint(pickedColorCtrlPnt).texturePath;
-            if (!tex.empty())
-                QToolTip::showText(helpEvent->globalPos(), tex.c_str());
-            
-        }
-        else if (-1 != pickedAlphaCtrlPnt)
-        {
-            if (_isLink)
-            {
-                const std::string& tex = _colorCurve->getControlPoint(pickedAlphaCtrlPnt).texturePath;
-                if (!tex.empty())
-                    QToolTip::showText(helpEvent->globalPos(), tex.c_str());
-            }
-            else
-            {
-                const std::string& tex = _alphaCurve->getControlPoint(pickedAlphaCtrlPnt).texturePath;
-                if (!tex.empty())
-                    QToolTip::showText(helpEvent->globalPos(), tex.c_str());
-            }
-        }
-        else
-        {
-            QToolTip::hideText();
-            event->ignore();
-        }
-
-        return true;
-    }
-    return QWidget::event(event);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::paintEvent(QPaintEvent * e)
-{
-    //TimeConsumeTracker t("update");
-    QFrame::paintEvent(e);
-
-    QPainter painter;
-    painter.begin(this);
-    painter.setRenderHints(QPainter::Antialiasing, true);
-
-    if (_colorCurve)
-    {
-        _drawRampArea(painter);
-        _drawCtrlPntCursors(painter);
-        _drawWeightCursors(painter);
-    }
-    painter.end();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::resizeEvent(QResizeEvent* e)
-{
-    if (_colorCurve)
-        _updateCurveFitWindowPara();
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::mousePressEvent( QMouseEvent* e )
-{
-    if(_colorCurve && e->button() & Qt::LeftButton)
-    {
-        QPoint mousePos = e->pos();
-        QPointF mousePosF(mousePos.x(), mousePos.y());
-        int pickedColorCtrlPnt = _checkColorCtrlPntCursorSelected(mousePosF);
-        int pickedAlphaCtrlPnt = _checkAlphaCtrlPntCursorSelected(mousePosF);
-
-        if (-1 != pickedColorCtrlPnt || -1 != pickedAlphaCtrlPnt)
-        {
-            if (_canAddRemoveControlPoint && _canRemoveCtrlPntByClick)
-            {
-                if (-1 != pickedColorCtrlPnt)
-                {
-                    _colorCurve->removeControlPoint(pickedColorCtrlPnt);
-                    _pickedColorCtrlPnt = -1;
-                }
-
-                if (-1 != pickedAlphaCtrlPnt)
-                {
-                    if (_isLink)
-                    {
-                        _colorCurve->removeControlPoint(pickedAlphaCtrlPnt);
-                        _pickedColorCtrlPnt = -1;
-                        pickedAlphaCtrlPnt = -1;
-                    }
-                    else
-                    {
-                        _alphaCurve->removeControlPoint(pickedAlphaCtrlPnt);
-                        pickedAlphaCtrlPnt = -1;
-                    }
-                }
-                return;
-            }
-
-            _pickedColorCtrlPnt = pickedColorCtrlPnt;
-            _pickedAlphaCtrlPnt = pickedAlphaCtrlPnt;
-
-            if (-1 < _pickedColorCtrlPnt)
-                _dragColorCtrlPnt = true;
-
-            if (-1 < _pickedAlphaCtrlPnt)
-                _dragAlphaCtrlPnt = true;
-
-            if (_isLink)
-            {
-                if (-1 != pickedColorCtrlPnt)
-                {
-                    _pickedAlphaCtrlPnt = _pickedColorCtrlPnt;
-                    _dragAlphaCtrlPnt = _dragColorCtrlPnt;
-                }
-
-                if (-1 != pickedAlphaCtrlPnt)
-                {
-                    _pickedColorCtrlPnt = _pickedAlphaCtrlPnt;
-                    _dragColorCtrlPnt = _dragAlphaCtrlPnt;
-                }
-                PickedControlPointChanged(true);
-            }
-            else
-            {
-                if (-1 != pickedColorCtrlPnt)
-                {
-                    PickedControlPointChanged(true);
-                }
-
-                if (-1 != pickedAlphaCtrlPnt)
-                {
-                    PickedControlPointChanged(false);
-                }
-            }
-
-            
-        }
-        else
-        {
-            int pickedColorWeight = _checkColorWeightCursorSelected(mousePosF);
-            int pickedAlphaWeight = _checkAlphaWeightCursorSelected(mousePosF);
-
-            if (-1 != pickedColorWeight || -1 != pickedAlphaWeight)
-            {
-                _pickedColorWeight = pickedColorWeight;
-                _pickedAlphaWeight = pickedAlphaWeight;
-
-                if (-1 < _pickedColorWeight)
-                    _dragColorWeight = true;
-
-                if (-1 < _pickedAlphaCtrlPnt)
-                    _dragAlphaWeight = true;
-
-                if (_isLink)
-                {
-                    if (-1 != _pickedColorWeight)
-                    {
-                        _pickedAlphaWeight = _pickedColorWeight;
-                        _dragAlphaWeight = _dragColorWeight;
-                    }
-
-                    if (-1 != _pickedAlphaWeight)
-                    {
-                        _pickedColorWeight = _pickedAlphaWeight;
-                        _dragColorWeight = _dragAlphaWeight;
-                    }
-                }
-            }
-            else
-            {
-                if (_canAddRemoveControlPoint && _canAddCtrlPntByClick)
-                {
-                    int yMiddle = height() / 2;
-                    if (mousePos.y() <= yMiddle)
-                    {
-                        _addColorControlPoint(mousePos.x());
-                        PickedControlPointChanged(true);
-                    }
-                    else if (mousePos.y() > yMiddle)
-                    {
-                        if (_isLink)
-                        {
-                            _addColorControlPoint(mousePos.x());
-                            PickedControlPointChanged(true);
-                        }
-                        else
-                        {
-                            _addAlphaControlPoint(mousePos.x());
-                            PickedControlPointChanged(false);
-                        }
-                    }
-                }
-            }
-        }
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::mouseReleaseEvent( QMouseEvent* /*e*/ )
-{
-    _dragColorCtrlPnt = false;
-    _dragAlphaCtrlPnt = false;
-    _dragColorWeight = false;
-    _dragAlphaWeight = false;
-    _pickedColorWeight = -1;
-    _pickedAlphaWeight = -1;
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::mouseMoveEvent( QMouseEvent* e )
-{
-    Qt::MouseButtons buttons = e->buttons();
-
-    if(_colorCurve && buttons & Qt::LeftButton)
-    {
-        if (_dragColorCtrlPnt)
-        {
-            if (!_colorAttribute->canMoveControlPointHorizontally())
-                return;
-
-            QPoint mousePos = e->pos();
-            ColorControlPoint pnt = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-            pnt.x = _screenToValue(mousePos.x());
-
-            //make control point move in value range
-            if (pnt.x < _colorCurve->getMinValue())
-                pnt.x = _colorCurve->getMinValue();
-            else if (pnt.x > _colorCurve->getMaxValue())
-                pnt.x = _colorCurve->getMaxValue();
-
-            _colorCurve->setControlPoint(_pickedColorCtrlPnt, pnt);
-            _colorCurve->_reOrderControlPoints(_pickedColorCtrlPnt);
-            emit ColorAttributeChanged(_colorAttribute);
-        }
-
-        if (_dragColorWeight)
-        {
-            QPoint mousePos = e->pos();
-            ColorControlPoint pnt0 = _colorCurve->getControlPoint(_pickedColorWeight);
-            ColorControlPoint pnt1 = _colorCurve->getControlPoint(_pickedColorWeight + 1);
-            int xPnt0Screen = _valueToScreen(pnt0.x);
-            int xPnt1Screen = _valueToScreen(pnt1.x);
-            if (mousePos.x() < (xPnt0Screen + WEIGHT_CURSOR_W))
-                mousePos.setX(xPnt0Screen + WEIGHT_CURSOR_W);
-            if (mousePos.x() > (xPnt1Screen - WEIGHT_CURSOR_W))
-                mousePos.setX(xPnt1Screen - WEIGHT_CURSOR_W);
-            pnt0.weight = ((float)(mousePos.x() - xPnt0Screen))/(xPnt1Screen - xPnt0Screen);
-            _colorCurve->setControlPoint(_pickedColorWeight, pnt0);
-            emit ColorAttributeChanged(_colorAttribute);
-        }
-
-        if (!_isLink)
-        {
-            if (_dragAlphaCtrlPnt)
-            {
-                if (!_colorAttribute->canMoveControlPointHorizontally())
-                    return;
-
-                QPoint mousePos = e->pos();
-                ColorControlPoint pnt = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-                pnt.x = _screenToValue(mousePos.x());
-
-                //make control point move in value range
-                if (pnt.x < _alphaCurve->getMinValue())
-                    pnt.x = _alphaCurve->getMinValue();
-                else if (pnt.x > _alphaCurve->getMaxValue())
-                    pnt.x = _alphaCurve->getMaxValue();
-
-                _alphaCurve->setControlPoint(_pickedAlphaCtrlPnt, pnt);
-                _alphaCurve->_reOrderControlPoints(_pickedAlphaCtrlPnt);
-                _alphaCurve->_needSample = true;
-                emit ColorAttributeChanged(_colorAttribute);
-            }
-
-            if (_dragAlphaWeight)
-            {
-                QPoint mousePos = e->pos();
-                ColorControlPoint pnt0 = _alphaCurve->getControlPoint(_pickedAlphaWeight);
-                ColorControlPoint pnt1 = _alphaCurve->getControlPoint(_pickedAlphaWeight + 1);
-                int xPnt0Screen = _valueToScreen(pnt0.x);
-                int xPnt1Screen = _valueToScreen(pnt1.x);
-                if (mousePos.x() < (xPnt0Screen + WEIGHT_CURSOR_W))
-                    mousePos.setX(xPnt0Screen + WEIGHT_CURSOR_W);
-                if (mousePos.x() > (xPnt1Screen - WEIGHT_CURSOR_W))
-                    mousePos.setX(xPnt1Screen - WEIGHT_CURSOR_W);
-                pnt0.weight = ((float)(mousePos.x() - xPnt0Screen))/(xPnt1Screen - xPnt0Screen);
-                _alphaCurve->setControlPoint(_pickedAlphaWeight, pnt0);
-                emit ColorAttributeChanged(_colorAttribute);
-            }
-        }
-
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::_updateCurveFitWindowPara()
-{
-    int widgetWidth = width();
-
-    if (_colorCurve && _colorCurve->getControlPointCount() > 1)
-    {
-        float minX = _colorCurve->getMinValue();
-        float maxX = _colorCurve->getMaxValue();
-
-        if (!_isLink)
-        {
-            if (minX < _alphaCurve->getMinValue())
-                minX = _alphaCurve->getMinValue();
-
-            if (maxX < _alphaCurve->getMaxValue())
-                maxX = _alphaCurve->getMaxValue();
-        }
-
-        float curveWidth = maxX - minX;
-
-        if (0 == curveWidth)
-        {
-            curveWidth = 1.0;
-        }
-
-        _curveFitWindowScale = (widgetWidth - MARGIN_X * 2) / curveWidth;
-        _curveFitWindowOffset = MARGIN_X - minX * _curveFitWindowScale;
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-float ColorWidget::_valueToScreen(float x)
-{
-    return ROUND(_curveFitWindowScale * x + _curveFitWindowOffset);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-float ColorWidget::_screenToValue(float x)
-{
-    return (x - _curveFitWindowOffset) / _curveFitWindowScale;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void ColorWidget::_fillRampImage(QImage& colorImg, QImage& alphaImg)
-{
-    assert(colorImg.width() == alphaImg.width());
-    assert(colorImg.height() == alphaImg.height());
-
-    int width = colorImg.width();
-    int height = colorImg.height();
-
-    QRgb *colorPixels = nullptr;
-    QRgb *alphaPixels = nullptr;
-    {
-        colorPixels = new QRgb[width];
-        //TimeConsumeTracker t("calcuate one line colorPixels");
-        for (int i = 0; i < width; ++i)
-        {
-            colorPixels[i] = _colorCurve->getColorByX(_screenToValue(i + MARGIN_X)).rgba();
-        }
-
-        if (!_isLink)
-        {
-            alphaPixels = new QRgb[width];
-            //TimeConsumeTracker t("calcuate one line alphaPixels");
-            for (int i = 0; i < width; ++i)
-            {
-                alphaPixels[i] = _alphaCurve->getColorByX(_screenToValue(i + MARGIN_X)).rgba();
-            }
-        }
-    }
-
-    {
-        //TimeConsumeTracker tt("fill images' pixel");
-        for (int m = 0; m < height; ++m)
-        {
-            void* bytesPerLine = const_cast<uchar*>(colorImg.scanLine(m));
-            memcpy(bytesPerLine, colorPixels, sizeof(QRgb) * width);
-
-            bytesPerLine = const_cast<uchar*>(alphaImg.scanLine(m));
-            if (nullptr == alphaPixels)
-                memcpy(bytesPerLine, colorPixels, sizeof(QRgb) * width);
-            else
-                memcpy(bytesPerLine, alphaPixels, sizeof(QRgb) * width);
-        }
-    }
-
-    delete[] colorPixels;
-}
-
-void ColorWidget::_drawRampArea(QPainter& painter)
-{
-    QImage colorImg(width() - MARGIN_X * 2, (height() - SPACING_V - CONTROL_POINT_CURSOR_H * 2 - MARGIN_Y * 2) / 2, QImage::Format_RGB32);
-    QImage alphaImg(width() - MARGIN_X * 2, (height() - SPACING_V - CONTROL_POINT_CURSOR_H * 2 - MARGIN_Y * 2) / 2, QImage::Format_RGB32);
-    _fillRampImage(colorImg, alphaImg);
-    painter.drawImage(MARGIN_X, MARGIN_Y + CONTROL_POINT_CURSOR_H, colorImg);
-    painter.drawImage(MARGIN_X, MARGIN_Y + CONTROL_POINT_CURSOR_H + (height() - SPACING_V - CONTROL_POINT_CURSOR_H * 2 - MARGIN_Y * 2) / 2, alphaImg);
-}
-
-void ColorWidget::_drawCtrlPntCursors(QPainter& painter)
-{
-    int colorCtrlPntCount = _colorCurve->getControlPointCount();
-
-    for (int i = 0; i < colorCtrlPntCount; ++i)
-    {
-        const ColorControlPoint& pnt = _colorCurve->getControlPoint(i);
-
-        float xPosCtrlPnt = ROUND(_valueToScreen(pnt.x));
-        float yColorCtrlPnt = MARGIN_Y;
-        float yAlphaCtrlPnt = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-
-        QRect rcColorCtrnPntCursor(xPosCtrlPnt - CONTROL_POINT_CURSOR_W / 2, yColorCtrlPnt, CONTROL_POINT_CURSOR_W, CONTROL_POINT_CURSOR_H);
-        QRect rcAlphaCtrnPntCursor(xPosCtrlPnt - CONTROL_POINT_CURSOR_W / 2, yAlphaCtrlPnt, CONTROL_POINT_CURSOR_W, CONTROL_POINT_CURSOR_H);
-        if (i == _pickedColorCtrlPnt)
-        {
-            if (pnt.texturePath.empty())
-                painter.drawImage(rcColorCtrnPntCursor, genControlPointCursorImg(QColor(pnt.color.red(), pnt.color.green(), pnt.color.blue(), 255), true));
-            else
-                painter.drawImage(rcColorCtrnPntCursor, S_CtrlPntWithTexCursorPickedImg);
-
-            if (_isLink)
-            {
-                if (pnt.texturePath.empty())
-                    painter.drawImage(rcAlphaCtrnPntCursor, genControlPointCursorImg(QColor(pnt.color.alpha(), pnt.color.alpha(), pnt.color.alpha()), true));
-                else
-                    painter.drawImage(rcAlphaCtrnPntCursor, S_CtrlPntWithTexCursorPickedImg);
-            }
-        }
-        else
-        {
-            if (pnt.texturePath.empty())
-                painter.drawImage(rcColorCtrnPntCursor, genControlPointCursorImg(QColor(pnt.color.red(), pnt.color.green(), pnt.color.blue(), 255)));
-            else
-                painter.drawImage(rcColorCtrnPntCursor, S_CtrlPntWithTexCursorNormalImg);
-
-            if (_isLink)
-            {
-                if (pnt.texturePath.empty())
-                    painter.drawImage(rcAlphaCtrnPntCursor, genControlPointCursorImg(QColor(pnt.color.alpha(), pnt.color.alpha(), pnt.color.alpha())));
-                else
-                    painter.drawImage(rcAlphaCtrnPntCursor, S_CtrlPntWithTexCursorNormalImg);
-            }
-                
-        }
-    }
-
-    if (!_isLink)
-    {
-        int alphaCtrlPntCount = _alphaCurve->getControlPointCount();
-
-        for (int i = 0; i < alphaCtrlPntCount; ++i)
-        {
-            const ColorControlPoint& pnt = _alphaCurve->getControlPoint(i);
-
-            float xPosCtrlPnt = ROUND(_valueToScreen(pnt.x));
-            float yAlphaCtrlPnt = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-
-            QRect rcAlphaCtrnPntCursor(xPosCtrlPnt - CONTROL_POINT_CURSOR_W / 2, yAlphaCtrlPnt, CONTROL_POINT_CURSOR_W, CONTROL_POINT_CURSOR_H);
-
-            if (i == _pickedAlphaCtrlPnt)
-            {
-                if (pnt.texturePath.empty())
-                    painter.drawImage(rcAlphaCtrnPntCursor, genControlPointCursorImg(QColor(pnt.color.alpha(), pnt.color.alpha(), pnt.color.alpha()), true));
-                else
-                    painter.drawImage(rcAlphaCtrnPntCursor, S_CtrlPntWithTexCursorPickedImg);
-            }
-            else
-            {
-                if (pnt.texturePath.empty())
-                    painter.drawImage(rcAlphaCtrnPntCursor, genControlPointCursorImg(QColor(pnt.color.alpha(), pnt.color.alpha(), pnt.color.alpha()) ));
-                else
-                    painter.drawImage(rcAlphaCtrnPntCursor, S_CtrlPntWithTexCursorNormalImg);
-            }
-        }
-    }
-}
-
-void ColorWidget::_drawWeightCursors(QPainter& painter)
-{
-    float yColorWeight = MARGIN_Y + CONTROL_POINT_CURSOR_H - WEIGHT_CURSOR_H;
-
-    int colorCtrlPntCount = _colorCurve->getControlPointCount();
-    if (0  == _pickedColorCtrlPnt)
-    {
-        const ColorControlPoint& pnt0 = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        const ColorControlPoint& pnt1 = _colorCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-
-        _drawColorWeightCursor(painter, pnt0, pnt1, _pickedColorCtrlPnt == _pickedColorWeight);
-    }
-    else if ((colorCtrlPntCount - 1) == _pickedColorCtrlPnt)
-    {
-        const ColorControlPoint& pnt0 = _colorCurve->getControlPoint(_pickedColorCtrlPnt - 1);
-        const ColorControlPoint& pnt1 = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-
-        _drawColorWeightCursor(painter, pnt0, pnt1, (_pickedColorCtrlPnt - 1) == _pickedColorWeight);
-    }
-    else if (0  < _pickedColorCtrlPnt && _pickedColorCtrlPnt < (colorCtrlPntCount - 1))
-    {
-        const ColorControlPoint& pnt0 = _colorCurve->getControlPoint(_pickedColorCtrlPnt - 1);
-        const ColorControlPoint& pnt1 = _colorCurve->getControlPoint(_pickedColorCtrlPnt);
-        const ColorControlPoint& pnt2 = _colorCurve->getControlPoint(_pickedColorCtrlPnt + 1);
-
-        _drawColorWeightCursor(painter, pnt0, pnt1, (_pickedColorCtrlPnt - 1) == _pickedColorWeight);
-        _drawColorWeightCursor(painter, pnt1, pnt2, _pickedColorCtrlPnt == _pickedColorWeight);
-    }
-
-    if (!_isLink)
-    {
-        float yAlphaWeight = height() - SPACING_V - WEIGHT_CURSOR_H - MARGIN_Y;
-        int alphaCtrlPntCount = _alphaCurve->getControlPointCount();
-        if (0  == _pickedAlphaCtrlPnt)
-        {
-            const ColorControlPoint& pnt0 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-            const ColorControlPoint& pnt1 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt + 1);
-
-            _drawAlphaWeightCursor(painter, pnt0, pnt1, _pickedAlphaCtrlPnt == _pickedAlphaWeight);
-        }
-        else if ((alphaCtrlPntCount - 1) == _pickedAlphaCtrlPnt)
-        {
-            const ColorControlPoint& pnt0 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt - 1);
-            const ColorControlPoint& pnt1 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-
-            _drawAlphaWeightCursor(painter, pnt0, pnt1, (_pickedAlphaCtrlPnt - 1) == _pickedAlphaWeight);
-        }
-        else if (0  < _pickedAlphaCtrlPnt && _pickedAlphaCtrlPnt < (alphaCtrlPntCount - 1))
-        {
-            const ColorControlPoint& pnt0 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt - 1);
-            const ColorControlPoint& pnt1 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt);
-            const ColorControlPoint& pnt2 = _alphaCurve->getControlPoint(_pickedAlphaCtrlPnt + 1);
-
-            _drawAlphaWeightCursor(painter, pnt0, pnt1, (_pickedAlphaCtrlPnt - 1) == _pickedAlphaWeight);
-            _drawAlphaWeightCursor(painter, pnt1, pnt2, _pickedAlphaCtrlPnt == _pickedAlphaWeight);
-        }
-    }
-}
-
-void ColorWidget::_drawColorWeightCursor(QPainter& painter, const ColorControlPoint& pnt0, const ColorControlPoint& pnt1, bool picked)
-{
-    if (pnt0.mode != eLinear)
-        return ;
-
-    float yColorWeight = MARGIN_Y + CONTROL_POINT_CURSOR_H - WEIGHT_CURSOR_H;
-    float yAlphaWeight = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-
-    float xPosWeightCursor = ROUND(_valueToScreen(pnt0.x + pnt0.weight * (pnt1.x - pnt0.x)));
-    QRect rcColorWeightCursor(xPosWeightCursor - WEIGHT_CURSOR_W / 2, yColorWeight, WEIGHT_CURSOR_W, WEIGHT_CURSOR_H);
-    QRect rcAlphaWeightCursor(xPosWeightCursor - WEIGHT_CURSOR_W / 2, yAlphaWeight, WEIGHT_CURSOR_W, WEIGHT_CURSOR_H);
-
-    painter.drawImage(rcColorWeightCursor, picked?S_WeightCursorPickedImg:S_WeightCursorNormalImg);
-
-    if (_isLink)
-        painter.drawImage(rcAlphaWeightCursor, picked?S_WeightCursorPickedImg:S_WeightCursorNormalImg);
-}
-
-void ColorWidget::_drawAlphaWeightCursor(QPainter& painter, const ColorControlPoint& pnt0, const ColorControlPoint& pnt1, bool picked)
-{
-    if (pnt0.mode != eLinear)
-        return ;
-
-    float yColorWeight = MARGIN_Y + CONTROL_POINT_CURSOR_H - WEIGHT_CURSOR_H;
-    float yAlphaWeight = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-
-    float xPosWeightCursor = ROUND(_valueToScreen(pnt0.x + pnt0.weight * (pnt1.x - pnt0.x)));
-    QRect rcColorWeightCursor(xPosWeightCursor - WEIGHT_CURSOR_W / 2, yColorWeight, WEIGHT_CURSOR_W, WEIGHT_CURSOR_H);
-    QRect rcAlphaWeightCursor(xPosWeightCursor - WEIGHT_CURSOR_W / 2, yAlphaWeight, WEIGHT_CURSOR_W, WEIGHT_CURSOR_H);
-
-    painter.drawImage(rcAlphaWeightCursor, picked?S_WeightCursorPickedImg:S_WeightCursorNormalImg);
-
-    if (_isLink)
-        painter.drawImage(rcColorWeightCursor, picked?S_WeightCursorPickedImg:S_WeightCursorNormalImg);
-}
-
-int ColorWidget::_checkColorCtrlPntCursorSelected(const QPointF& pickPos)
-{
-    if (nullptr == _colorCurve)
-        return -1;
-    int colorCtrlPntCount = _colorCurve->getControlPointCount();
-    for (int i = 0; i < colorCtrlPntCount; ++i)
-    {
-        const ColorControlPoint& pnt = _colorCurve->getControlPoint(i);
-
-        float xPos = _valueToScreen(pnt.x);
-        float yPos = MARGIN_Y;
-        bool picked = isClickedInCtrlPntCursor(QPointF(xPos, yPos), pickPos);
-        if (picked)
-        {
-            return i;
-        }
-    }
-
-    return -1;
-}
-
-int ColorWidget::_checkAlphaCtrlPntCursorSelected(const QPointF& pickPos)
-{
-    if (_isLink)
-    {
-        if (nullptr == _colorCurve)
-            return -1;
-        int colorCtrlPntCount = _colorCurve->getControlPointCount();
-        for (int i = 0; i < colorCtrlPntCount; ++i)
-        {
-            const ColorControlPoint& pnt = _colorCurve->getControlPoint(i);
-
-            float xPos = _valueToScreen(pnt.x);
-            float yPos = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-            bool picked = isClickedInCtrlPntCursor(QPointF(xPos, yPos), pickPos);
-            if (picked)
-            {
-                return i;
-            }
-        }
-    }
-    else
-    {
-        if (nullptr == _alphaCurve)
-            return -1;
-        int colorCtrlPntCount = _alphaCurve->getControlPointCount();
-        for (int i = 0; i < colorCtrlPntCount; ++i)
-        {
-            const ColorControlPoint& pnt = _alphaCurve->getControlPoint(i);
-
-            float xPos = _valueToScreen(pnt.x);
-            float yPos = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-            bool picked = isClickedInCtrlPntCursor(QPointF(xPos, yPos), pickPos);
-            if (picked)
-            {
-                return i;
-            }
-        }
-    }
-
-    return -1;
-}
-
-int ColorWidget::_checkColorWeightCursorSelected(const QPointF& pickPos)
-{
-    int colorCtrlPntCount = _colorCurve->getControlPointCount();
-    if (-1 != _pickedColorCtrlPnt)
-    {
-        if (0 == _pickedColorCtrlPnt)
-        {
-            return _checkColorWeightCursorSelected(0, pickPos);
-        }
-        else if ((colorCtrlPntCount - 1) == _pickedColorCtrlPnt)
-        {
-            return _checkColorWeightCursorSelected(_pickedColorCtrlPnt - 1, pickPos);
-        }
-        else if (0 < _pickedColorCtrlPnt && _pickedColorCtrlPnt < (colorCtrlPntCount - 1))
-        {
-            int pickedWeightCursor = _checkColorWeightCursorSelected(_pickedColorCtrlPnt - 1, pickPos);
-            if (-1 != pickedWeightCursor)
-                return pickedWeightCursor;
-            else
-                return _checkColorWeightCursorSelected(_pickedColorCtrlPnt, pickPos);
-        }
-    }
-
-    return -1;
-}
-
-int ColorWidget::_checkColorWeightCursorSelected(int pickedCtrlPnt, const QPointF& pickPos)
-{
-    const ColorControlPoint& pnt0 = _colorCurve->getControlPoint(pickedCtrlPnt);
-    const ColorControlPoint& pnt1 = _colorCurve->getControlPoint(pickedCtrlPnt + 1);
-
-    if (pnt0.weight >= 0)
-    {
-        float xPos = _valueToScreen(pnt0.x + pnt0.weight * (pnt1.x - pnt0.x));
-        float yPos = MARGIN_Y + CONTROL_POINT_CURSOR_H - WEIGHT_CURSOR_H;
-        bool picked = isClickedInWeightCursor(QPointF(xPos, yPos), pickPos);
-        if (picked)
-        {
-            return pickedCtrlPnt;
-        }
-    }
-
-    return - 1;
-}
-
-int ColorWidget::_checkAlphaWeightCursorSelected(const QPointF& pickPos)
-{
-    if (_isLink)
-    {
-        int count = _colorCurve->getControlPointCount();
-        if (-1 != _pickedAlphaCtrlPnt)
-        {
-            if (0 == _pickedAlphaCtrlPnt)
-            {
-                return _checkAlphaWeightCursorSelected(0, pickPos);
-            }
-            else if ((count - 1) == _pickedAlphaCtrlPnt)
-            {
-                return _checkAlphaWeightCursorSelected(_pickedColorCtrlPnt - 1, pickPos);
-            }
-            else if (0 < _pickedAlphaCtrlPnt && _pickedAlphaCtrlPnt < (count - 1))
-            {
-                int pickedWeightCursor = _checkAlphaWeightCursorSelected(_pickedColorCtrlPnt - 1, pickPos);
-                if (-1 != pickedWeightCursor)
-                    return pickedWeightCursor;
-                else
-                    return _checkAlphaWeightCursorSelected(_pickedColorCtrlPnt, pickPos);
-            }
-        }
-    }
-    else
-    {
-        int count = _alphaCurve->getControlPointCount();
-        if (-1 != _pickedAlphaCtrlPnt)
-        {
-            if (0 == _pickedAlphaCtrlPnt)
-            {
-                return _checkAlphaWeightCursorSelected(0, pickPos);
-            }
-            else if ((count - 1) == _pickedAlphaCtrlPnt)
-            {
-                return _checkAlphaWeightCursorSelected(count - 1, pickPos);
-            }
-            else if (0 < _pickedAlphaCtrlPnt && _pickedAlphaCtrlPnt < (count - 1))
-            {
-                int pickedWeightCursor = _checkAlphaWeightCursorSelected(_pickedColorCtrlPnt - 1, pickPos);
-                if (-1 != pickedWeightCursor)
-                    return pickedWeightCursor;
-                else
-                    return _checkAlphaWeightCursorSelected(_pickedColorCtrlPnt, pickPos);
-            }
-        }
-    }
-
-    return -1;
-}
-
-int ColorWidget::_checkAlphaWeightCursorSelected(int pickedCtrlPnt, const QPointF& pickPos)
-{
-    if (_isLink)
-    {
-        const ColorControlPoint& pnt0 = _colorCurve->getControlPoint(pickedCtrlPnt);
-        const ColorControlPoint& pnt1 = _colorCurve->getControlPoint(pickedCtrlPnt + 1);
-
-        if (pnt0.weight >= 0)
-        {
-            float xPos = _valueToScreen(pnt0.x + pnt0.weight * (pnt1.x - pnt0.x));
-            float yPos = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-            bool picked = isClickedInWeightCursor(QPointF(xPos, yPos), pickPos);
-            if (picked)
-            {
-                return pickedCtrlPnt;
-            }
-        }
-    }
-    else
-    {
-        int colorCtrlPntCount = _alphaCurve->getControlPointCount();
-        for (int i = 0; i < colorCtrlPntCount - 1; ++i)
-        {
-            const ColorControlPoint& pnt0 = _alphaCurve->getControlPoint(i);
-            const ColorControlPoint& pnt1 = _alphaCurve->getControlPoint(i + 1);
-
-            if (pnt0.weight >= 0)
-            {
-                float xPos = _valueToScreen(pnt0.x + pnt0.weight * (pnt1.x - pnt0.x));
-                float yPos = height() - SPACING_V - CONTROL_POINT_CURSOR_H - MARGIN_Y;
-                bool picked = isClickedInCtrlPntCursor(QPointF(xPos, yPos), pickPos);
-                if (picked)
-                {
-                    return i;
-                }
-            }
-            else
-                break;
-        }
-    }
-
-    return -1;
-}
-
-void ColorWidget::_addColorControlPoint(int xPos)
-{
-    float x = _screenToValue(xPos);
-
-    int ctrlPntCount = _colorCurve->getControlPointCount();
-    for (int i = 0; i < ctrlPntCount - 1; ++i)
-    {
-        const ColorControlPoint& pntLeft = _colorCurve->getControlPoint(i);
-        const ColorControlPoint& pntRight = _colorCurve->getControlPoint(i + 1);
-
-        if (pntLeft.x < x && x < pntRight.x)
-        {
-            QColor color = _colorCurve->getColorByX(x);
-            ColorControlPoint newCtrlPnt(x, color, pntLeft.mode);
-
-            std::vector<ColorControlPoint>::iterator itr = _colorCurve->_controlPoints.begin();
-            std::advance(itr, i + 1);
-            _colorCurve->_controlPoints.insert(itr, newCtrlPnt);
-
-            _pickedColorCtrlPnt = i + 1;
-            if (_isLink)
-                _pickedAlphaCtrlPnt = _pickedColorCtrlPnt;
-
-            break;
-        }
-    }
-}
-
-void ColorWidget::_addAlphaControlPoint(int xPos)
-{
-    float x = _screenToValue(xPos);
-
-    int ctrlPntCount = _alphaCurve->getControlPointCount();
-    for (int i = 0; i < ctrlPntCount - 1; ++i)
-    {
-        const ColorControlPoint& pntLeft = _alphaCurve->getControlPoint(i);
-        const ColorControlPoint& pntRight = _alphaCurve->getControlPoint(i + 1);
-
-        if (pntLeft.x < x && x < pntRight.x)
-        {
-            QColor color = _alphaCurve->getColorByX(x);
-            ColorControlPoint newCtrlPnt(x, color, pntLeft.mode);
-
-            std::vector<ColorControlPoint>::iterator itr = _alphaCurve->_controlPoints.begin();
-            std::advance(itr, i + 1);
-            _alphaCurve->_controlPoints.insert(itr, newCtrlPnt);
-
-            _pickedAlphaCtrlPnt = i + 1;
-            if (_isLink)
-                _pickedColorCtrlPnt = _pickedAlphaCtrlPnt;
-
-            break;
-        }
-    }
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Window/ColorWidget.h b/tools/CurveEditor/source/Internal/Window/ColorWidget.h
deleted file mode 100644
index d910789..0000000
--- a/tools/CurveEditor/source/Internal/Window/ColorWidget.h
+++ /dev/null
@@ -1,126 +0,0 @@
-#ifndef COLORWIDGET_H
-#define COLORWIDGET_H
-
-#include <QtWidgets/QFrame>
-#include <QtWidgets/QMenu>
-#include <QtWidgets/QAction>
-#include "Attribute.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-class ColorWidget : public QFrame
-{
-    Q_OBJECT
-public:
-    explicit ColorWidget(QWidget *parent = 0);
-
-    inline bool isLink()   {   return _isLink; }
-    QColor getColor();
-    int getAlpha();
-    void setColor(const QColor& color);
-    void setAlpha(int alpha);
-    float getColorFallOff();
-    void setColorFallOff(float fallOff);
-    float getAlphaFallOff();
-    void setAlphaFallOff(float fallOff);
-
-    // if alphaCurve of colorAttribute is with less than 2 control points,
-    // it treats that rgb color curve and alpha curve share same control points
-    // else, it uses rgb components of colorCurve of ColorAttribute, and it uses alpha component of alphaCurve of ColorAttribute
-    void setColorAttribute(ColorAttribute* colorAttribute);
-    void reset();
-    inline void setCanAddRemoveControlPoint(bool val)    {   _canAddRemoveControlPoint = val;    }
-
-    void addControlPointsBeforeSelected();
-    void addControlPointsAfterSelected();
-    void removeSelectedControlPoint();
-     
-    void setTangentType(InterpolateMode mode);
-    void setSmoothTangent();
-    void setEaseInTangent();
-    void setEaseOutTangent();
-
-    QString getColorTex();
-    void setColorTex(const QString& strPath);
-    void reloadColorTex();
-    void clearColorTex();
-    QString getAlphaTex();
-    void setAlphaTex(const QString& strPath);
-    void reloadAlphaTex();
-    void clearAlphaTex();
-
-    void setAddCtrlPntByClick(bool value)       { _canAddCtrlPntByClick = value; }
-    void setRemoveCtrlPntByClick(bool value)    { _canRemoveCtrlPntByClick = value; }
-
-    void setUseAlphaFromColor(bool val);
-
-signals:
-    void PickedControlPointChanged(bool isColorCtrlPnt);
-    void ColorAttributeChanged(nvidia::CurveEditor::ColorAttribute* attribute);
-    void ReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute* attribute, bool reloadColorTex, int selectedCtrlPntIndex);
-
-private slots:
-    void onShowContextMenu(const QPoint& pos);
-    void onRemoveControlPoint();
-
-protected:
-    // QWidget events
-    virtual bool event(QEvent *event);
-    virtual void paintEvent(QPaintEvent * e);
-    virtual void resizeEvent(QResizeEvent* e);
-    virtual void mousePressEvent(QMouseEvent* e);
-    virtual void mouseReleaseEvent(QMouseEvent* e);
-    virtual void mouseMoveEvent(QMouseEvent* e);
-
-private:
-    void _updateCurveFitWindowPara();
-    inline float _valueToScreen(float x);
-    inline float _screenToValue(float x);
-
-    void _fillRampImage(QImage& colorImg, QImage& alphaImg);
-    void _drawRampArea(QPainter& painter);
-    void _drawCtrlPntCursors(QPainter& painter);
-    void _drawWeightCursors(QPainter& painter);
-    void _drawColorWeightCursor(QPainter& painter, const ColorControlPoint& pnt0, const ColorControlPoint& pnt1, bool picked = false);
-    void _drawAlphaWeightCursor(QPainter& painter, const ColorControlPoint& pnt0, const ColorControlPoint& pnt1, bool picked = false);
-    int _checkColorCtrlPntCursorSelected(const QPointF& pickPos);
-    int _checkAlphaCtrlPntCursorSelected(const QPointF& pickPos);
-    int _checkColorWeightCursorSelected(const QPointF& pickPos);
-    int _checkColorWeightCursorSelected(int pickedCtrlPnt, const QPointF& pickPos);
-    int _checkAlphaWeightCursorSelected(const QPointF& pickPos);
-    int _checkAlphaWeightCursorSelected(int pickedCtrlPnt, const QPointF& pickPos);
-    void _addColorControlPoint(int xPos);
-    void _addAlphaControlPoint(int xPos);
-
-private:
-    bool                    _isLink;    // if it's true, rgb color and alpha share the same control points
-    ColorAttribute*         _colorAttribute;
-    ColorCurve*             _colorCurve;
-    ColorCurve*             _alphaCurve;
-    bool                    _canAddRemoveControlPoint;
-    bool                    _canAddCtrlPntByClick;
-    bool                    _canRemoveCtrlPntByClick;
-
-    float                   _curveFitWindowScale;
-    float                   _curveFitWindowOffset;
-
-    int                     _pickedColorCtrlPnt;
-    int                     _pickedAlphaCtrlPnt;
-    int                     _pickedColorWeight;
-    int                     _pickedAlphaWeight;
-    bool                    _dragColorCtrlPnt;
-    bool                    _dragAlphaCtrlPnt;
-    bool                    _dragColorWeight;
-    bool                    _dragAlphaWeight;
-
-    int                     _colorCtrlPntToRemove;
-    int                     _alphaCtrlPntToRemove;
-    QMenu*                  _contextMenu;
-    QAction*                _removeCtrlPntAction;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // COLORWIDGET_H
diff --git a/tools/CurveEditor/source/Internal/Window/CurveEditorMainWindow.cpp b/tools/CurveEditor/source/Internal/Window/CurveEditorMainWindow.cpp
deleted file mode 100644
index b11c4cf..0000000
--- a/tools/CurveEditor/source/Internal/Window/CurveEditorMainWindow.cpp
+++ /dev/null
@@ -1,1530 +0,0 @@
-#include "CurveEditorMainWindow.h"
-#include "ui_CurveEditorMainWindow.h"
-#include <QtWidgets/QSplitter>
-#include <QtWidgets/QColorDialog>
-#include "CurveWidget.h"
-#include "ColorWidget.h"
-#include "AlphaDialog.h"
-#include <QtCore/QDebug>
-#include <QtWidgets/QFileDialog>
-#include <QtWidgets/QMessageBox>
-#include <float.h>
-
-namespace nvidia {
-namespace CurveEditor {
-
-// each value is associated with the tab index of tab control of attributes
-enum AttributesTabIndex
-{
-    eCurveTab = 0,
-    eColorTab = 1,
-};
-
-/////////////////////////////////////////////////////////////////////////////////////
-QString InterpolateModeToString(InterpolateMode mode)
-{
-    switch(mode)
-    {
-        case eDiscret:
-            return "Discret";
-        case eLinear:
-            return "Linear";
-        case eBezierSpline:
-            return "BezierSpline";
-        case eCatmullRomSpline:
-            return "CatmullRomSpline";
-        default:
-            return "Discret";
-    }
-}
-
-/////////////////////////////////////////////////////////////////////////////////////
-InterpolateMode StringToInterpolateMode(const QString& mode)
-{
-    if (mode == "Discret")
-    {
-        return eDiscret;
-    }
-    else if (mode == "Linear")
-    {
-        return eLinear;
-    }
-    else if (mode == "BezierSpline")
-    {
-        return eBezierSpline;
-    }
-    else if (mode == "CatmullRomSpline")
-    {
-        return eCatmullRomSpline;
-    }
-    else
-    {
-        return eDiscret;
-    }
-}
-
-QString OpenTextureFile( QString lastDir, QString title = "")
-{
-    QString titleStr = "Open Texture File";
-    if(!title.isEmpty())
-        titleStr = title;
-
-    QString fileName = QFileDialog::getOpenFileName(nullptr, titleStr, lastDir, "Images (*.dds *.png *.bmp *.jpg *.tga)");
-
-    return fileName;
-}
-
-/////////////////////////////////////////////////////////////////////////////////////
-void setTextureButtons(QPushButton *pTex, QPushButton *pReload, QPushButton *pClear)
-{
-    pTex->setIcon(QIcon(":/AppMainWindow/Icon/TextureEnabled_icon.png"));
-    pReload->setIcon(QIcon(":/AppMainWindow/Icon/Refresh_icon.png"));
-    pClear->setIcon(QIcon(":/AppMainWindow/Icon/Remove_icon.png"));
-
-    pTex->setIconSize(QSize(12,12));
-    pReload->setIconSize(QSize(12,12));
-    pClear->setIconSize(QSize(12,12));
-}
-
-//////////////////////////////////////////////////////////
-QString addStar(QString text, bool add)
-{
-    QByteArray ba = text.toUtf8();
-
-    const char* in = ba.data();
-    char out[1024];
-
-    int i = 0;
-    for (i = 0; i < strlen(in); i++)
-    {
-        if (in[i] == '*')
-            break;
-        out[i] = in[i];
-    }
-    out[i] = 0;
-
-    QString newtext;
-    if (add)
-        newtext = QString((const char*)out) + QString("*");
-    else
-        newtext = QString((const char*)out) ;
-    return newtext;
-}
-
-//////////////////////////////////////////////////////////
-void setFocusColor(QWidget* qWidget, bool sameForAllAttributes)
-{
-    if (!qWidget)
-        return;
-
-    QString sameStyle = QString("font: ; color: rgb(150,150,150);") ;
-    QString differentStyle = QString("font: bold; color: rgb(255,55,55);");
-    QString style = (sameForAllAttributes) ? sameStyle : differentStyle;
-
-    qWidget->setStyleSheet(style);
-
-    QLabel* label = dynamic_cast<QLabel*>(qWidget);
-    if (label)
-    {
-        QString newtext = addStar(label->text(), !sameForAllAttributes);
-
-        label->setFrameStyle(0);
-        label->setText(newtext);
-    }
-}
-
-//////////////////////////////////////////////////////////
-void pickColor(QColor& color, QWidget* parent)
-{
-    QColor newColor = QColorDialog::getColor(color, parent);
-    if(newColor.isValid())
-    {
-        color = newColor;
-    }
-}
-
-//////////////////////////////////////////////////////////
-void pickAlpha(int& alpha, QWidget* parent)
-{
-    alpha = AlphaDialog::getAlpha(alpha, parent);
-}
-
-//////////////////////////////////////////////////////////
-void setButtonColor(QPushButton *button, const QColor& color)
-{
-    QString specBtnStyle = QString("background-color: rgb(%1,%2,%3);")
-        .arg(color.red())
-        .arg(color.green())
-        .arg(color.blue());
-
-    button->setStyleSheet(specBtnStyle);
-}
-
-//////////////////////////////////////////////////////////
-void setButtonTex(QPushButton *button, bool used)
-{
-    if (used)
-        button->setIcon(QIcon(":/AppMainWindow/Icon/TextureIsUsed_icon.png"));
-    else
-        button->setIcon(QIcon(":/AppMainWindow/Icon/TextureEnabled_icon.png"));
-}
-
-CurveEditorMainWindow::CurveEditorMainWindow(QWidget *parent)
-    : QMainWindow(parent)
-    , ui(new Ui::CurveEditorMainWindow)
-    , _curveWidget(nullptr)
-    , _colorWidget(nullptr)
-    , _curveAttributeCache(nullptr)
-    , _colorAttributeCache(nullptr)
-    , _updateUIFromData(false)
-    , _canMoveCurveControlPointHorizontally(true)
-    , _canAddRemoveCurveControlPoint(true)
-    , _canChangeCurveTangentType(true)
-{
-    Q_INIT_RESOURCE(CurveEditor);
-
-    ui->setupUi(this);
-
-    setTextureButtons(ui->btnColorTex, ui->btnColorReload, ui->btnColorClear);
-    setTextureButtons(ui->btnAlphaTex, ui->btnAlphaReload, ui->btnAlphaClear);
-
-    ui->centralWidget->setStretchFactor(0, 30);
-    ui->centralWidget->setStretchFactor(1, 70);
-
-    {
-        QActionGroup* groupSnap = new QActionGroup(this);
-        groupSnap->addAction(ui->actionSnap_All);
-        groupSnap->addAction(ui->actionSnap_Horizontal);
-        groupSnap->addAction(ui->actionSnap_Vertical);
-    }
-
-    {
-        QActionGroup* groupAddRemoveCtrlPnt = new QActionGroup(this);
-        groupAddRemoveCtrlPnt->addAction(ui->actionAdd_Control_Point_By_Click);
-        groupAddRemoveCtrlPnt->addAction(ui->actionRemove_Control_Point_By_Click);
-    }
-
-    _fillCurveAttributesTree();
-
-    _fillColorAttributesTree();
-
-    {
-        _curveWidget = new CurveWidget(ui->frameCurveEditorArea);
-        ui->layoutCurveEditorArea->addWidget(_curveWidget);
-        connect(_curveWidget, SIGNAL(PickedControlPointChanged(const std::vector<CurveEntity*>)), this, SLOT(onCurvePickedControlPointChanged(const std::vector<CurveEntity*>)));
-        connect(_curveWidget, SIGNAL(PickedControlPointValueChanged(QPointF&)), this, SLOT(onCurvePickedControlPointValueChanged(QPointF&)));
-    }
-
-    {
-        _colorWidget = new ColorWidget(ui->frameColorAlphaRamp);
-        ui->layoutColorEditorArea->addWidget(_colorWidget);
-        connect(_colorWidget, SIGNAL(PickedControlPointChanged(bool)), this, SLOT(onColorPickedControlPointChanged(bool)));
-
-        QColor color = _colorWidget->getColor();
-        setButtonColor(ui->btnColor, color);
-        setButtonColor(ui->btnAlpha, QColor(color.alpha(), color.alpha(), color.alpha()));
-    }
-
-    connect(_curveWidget, SIGNAL(CurveAttributeChanged(nvidia::CurveEditor::CurveAttribute*)), this, SIGNAL(CurveAttributeChanged(nvidia::CurveEditor::CurveAttribute*)));
-    connect(_colorWidget, SIGNAL(ColorAttributeChanged(nvidia::CurveEditor::ColorAttribute*)), this, SIGNAL(ColorAttributeChanged(nvidia::CurveEditor::ColorAttribute*)));
-    connect(_colorWidget, SIGNAL(ReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute*, bool, int)), this, SIGNAL(ReloadColorAttributeTexture(nvidia::CurveEditor::ColorAttribute*, bool, int)));
-
-    QString defFilePath;
-
-    QString appDir = qApp->applicationDirPath();
-    QDir dir(appDir);
-    if (dir.cd("../../media"))
-        defFilePath = dir.absolutePath();
-
-    _lastFilePath = defFilePath;
-    _presetPath = _lastFilePath + "/Presets/";
-}
-
-CurveEditorMainWindow::~CurveEditorMainWindow()
-{
-    delete ui;
-    ui = nullptr;
-}
-
-void CurveEditorMainWindow::setCurveAttributes(const std::vector<CurveAttributeBase*>& attributes)
-{
-    _curveWidget->setCurveAttributes(std::vector<CurveAttributeBase*>());
-
-    _curveAttributes = attributes;
-    _fillCurveAttributesTree();
-
-    _canMoveCurveControlPointHorizontally = false;
-    _canAddRemoveCurveControlPoint = false;
-     _canChangeCurveTangentType = false;
-    size_t countAttributes = _curveAttributes.size();
-    for (size_t i = 0; i < countAttributes; ++i)
-    {
-        CurveAttributeBase* attribute = _curveAttributes[i];
-
-        if (attribute->getType() == eGroupAttr)
-        {
-            CurveAttributeGroup* attributeGroup = static_cast<CurveAttributeGroup*>(attribute);
-            size_t countAttributesInGroup = attributeGroup->attributes.size();
-            for (size_t j = 0; j < countAttributesInGroup; ++j)
-            {
-                CurveAttribute* attributeInGroup = static_cast<CurveAttribute*>(attributeGroup->attributes[j]);
-                if (attributeInGroup->canMoveControlPointHorizontally())
-                    _canMoveCurveControlPointHorizontally = true;
-                if (attributeInGroup->canAddRemoveControlPoint())
-                    _canAddRemoveCurveControlPoint = true;
-                if (attributeInGroup->canChangeTangentType())
-                    _canChangeCurveTangentType = true;
-            }
-        }
-        else
-        {
-            CurveAttribute* attributeSecific = static_cast<CurveAttribute*>(attribute);
-            if (attributeSecific->canMoveControlPointHorizontally())
-                _canMoveCurveControlPointHorizontally = true;
-            if (attributeSecific->canAddRemoveControlPoint())
-                _canAddRemoveCurveControlPoint = true;
-            if (attributeSecific->canChangeTangentType())
-                _canChangeCurveTangentType = true;
-        }
-    }
-
-    ui->spinBoxLocation->setEnabled(_canMoveCurveControlPointHorizontally);
-    _syncUIStatusWithSelectedAttribute(_canAddRemoveCurveControlPoint, _canChangeCurveTangentType);
-}
-
-void CurveEditorMainWindow::setColorCurveAttributes(const std::vector<ColorAttribute*>& attributes)
-{
-    _colorWidget->setColorAttribute(nullptr);
-
-    _colorAttributes = attributes;
-    _fillColorAttributesTree();
-}
-
-void CurveEditorMainWindow::setSelectedCurveAttributes(const std::vector<CurveAttributeBase*>& attributes)
-{
-    ui->tabWidgetAttributes->setCurrentIndex(eCurveTab);
-
-    for (size_t i = 0; i < attributes.size(); ++i)
-    {
-        CurveAttributeBase* attribute = attributes[i];
-        QList<QTreeWidgetItem*> items = ui->treeWidgetCurveAttributes->findItems(attribute->getName().c_str(), Qt::MatchExactly);
-        if (items.size() > 0)
-            items[0]->setSelected(true);
-    }
-}
-
-void CurveEditorMainWindow::setSelectedColorAttribute(const ColorAttribute* attribute)
-{
-    ui->tabWidgetAttributes->setCurrentIndex(eColorTab);
-
-    if (attribute)
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->findItems(attribute->getName().c_str(), Qt::MatchExactly);
-        if (items.size() > 0)
-            items[0]->setSelected(true);
-    }
-}
-
-void CurveEditorMainWindow::setResampleEnabled(bool enable)
-{
-    ui->checkBoxResamplePoints->setVisible(enable);
-    ui->spinBoxResamplePoints->setVisible(enable);
-    ui->checkBoxResamplePoints->setEnabled(enable);
-    ui->spinBoxResamplePoints->setEnabled(enable);
-}
-
-void CurveEditorMainWindow::on_actionCopy_triggered()
-{
-    if (eCurveTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetCurveAttributes->selectedItems();
-        if (1 == items.count())
-        {
-            CurveAttributeTreeItem* item = static_cast<CurveAttributeTreeItem*>(items.at(0));
-
-            if (eSingleAttr == item->_attribute->getType())
-            {
-                if (_curveAttributeCache == nullptr)
-                    _curveAttributeCache = new CurveAttribute("curveAttributeCache");
-
-                CurveAttribute* selectedAttribute = static_cast<CurveAttribute*>(item->_attribute);
-                _curveAttributeCache->curve =  selectedAttribute->curve;
-                return ;
-            }
-        }
-
-        QMessageBox::warning(this, tr("Warning"), tr("You should select only one attribute to copy attribute data."));
-    }
-    else if (eColorTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-        if (1 == items.count())
-        {
-            ColorAttributeTreeItem* item = static_cast<ColorAttributeTreeItem*>(items.at(0));
-
-            if (eColorAttr == item->_attribute->getType())
-            {
-                if (_colorAttributeCache == nullptr)
-                    _colorAttributeCache = new ColorAttribute("colorAttributeCache");
-
-                ColorAttribute* selectedAttribute = static_cast<ColorAttribute*>(item->_attribute);
-                _colorAttributeCache->colorCurve =  selectedAttribute->colorCurve;
-                _colorAttributeCache->alphaCurve =  selectedAttribute->alphaCurve;
-                return ;
-            }
-        }
-    }
-}
-
-void CurveEditorMainWindow::on_actionPaste_triggered()
-{
-    if (eCurveTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        if (nullptr == _curveAttributeCache)
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("You should copy or load an curve attribute's data first."));
-            return ;
-        }
-
-        QList<QTreeWidgetItem*> items = ui->treeWidgetCurveAttributes->selectedItems();
-        if (1 == items.count())
-        {
-            CurveAttributeTreeItem* item = static_cast<CurveAttributeTreeItem*>(items.at(0));
-
-            if (eSingleAttr == item->_attribute->getType())
-            {
-                CurveAttribute* selectedAttribute = static_cast<CurveAttribute*>(item->_attribute);
-                bool compatible = true;
-                if (compatible)
-                {
-                    selectedAttribute->curve = _curveAttributeCache->curve;
-                    on_treeWidgetCurveAttributes_itemSelectionChanged();
-                    CurveAttributeChanged(selectedAttribute);
-                }
-                else
-                {
-                    QMessageBox::warning(this, tr("Warning"), tr("The data types between the curve attribute copyed from and the curve attribute copy to are incompatible ."));
-                }
-                return ;
-            }
-        }
-
-        QMessageBox::warning(this, tr("Warning"), tr("You should select only one curve attribute to paste curve attribute data."));
-    }
-    else if (eColorTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        if (nullptr == _colorAttributeCache)
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("You should copy or load an color attribute's data first."));
-            return ;
-        }
-
-        QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-        if (1 == items.count())
-        {
-            ColorAttributeTreeItem* item = static_cast<ColorAttributeTreeItem*>(items.at(0));
-
-            if (eColorAttr == item->_attribute->getType())
-            {
-                ColorAttribute* selectedAttribute = static_cast<ColorAttribute*>(item->_attribute);
-                bool compatible = true;
-                if (compatible)
-                {
-                    selectedAttribute->colorCurve = _colorAttributeCache->colorCurve;
-                    selectedAttribute->alphaCurve = _colorAttributeCache->alphaCurve;
-                    on_treeWidgetColorAttributes_itemSelectionChanged();
-                    ColorAttributeChanged(selectedAttribute);
-                }
-                else
-                {
-                    QMessageBox::warning(this, tr("Warning"), tr("The data types between copy from attribute and copy to attribute are incompatible ."));
-                }
-                return ;
-            }
-        }
-
-        QMessageBox::warning(this, tr("Warning"), tr("You should select only one attribute to paste attribute data."));
-    }
-}
-
-void CurveEditorMainWindow::on_actionSave_Selected_as_Preset_triggered()
-{
-    QDir dir(_presetPath);
-    if (!dir.exists())
-        dir.mkdir(_presetPath);
-
-    CurveAttribute* curveAttribute = nullptr;
-    ColorAttribute* colorAttribute = nullptr;
-    QString presetFile = _presetPath;
-
-    if (eCurveTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetCurveAttributes->selectedItems();
-        if (1 != items.count())
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("You should select one attribute only to save preset."));
-            return ;
-        }
-
-        CurveAttributeTreeItem* item = static_cast<CurveAttributeTreeItem*>(items.at(0));
-
-        if (eSingleAttr != item->_attribute->getType())
-        {
-            return;
-        }
-
-        curveAttribute = static_cast<CurveAttribute*>(item->_attribute);
-        presetFile += curveAttribute->getName().c_str();
-        presetFile += ".cps";
-    }
-    else if (eColorTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-        if (1 != items.count())
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("You should select one attribute only to save preset."));
-            return ;
-        }
-
-        ColorAttributeTreeItem* item = static_cast<ColorAttributeTreeItem*>(items.at(0));
-
-        if (eColorAttr != item->_attribute->getType())
-        {
-            return;
-        }
-
-        colorAttribute = item->_attribute;
-        presetFile += colorAttribute->getName().c_str();
-        presetFile += ".cps";
-    }
-
-    QString filePath = QFileDialog::getSaveFileName(this, tr("Save Curve PreSet"), presetFile, tr("Curve PreSet(*.cps)"));
-    if (filePath.length() == 0)
-    {
-        QMessageBox::warning(this, tr("Path"), tr("You didn't select any files."));
-        return ;
-    }
-
-    QFileInfo fileInfo(filePath);
-    _presetPath = fileInfo.absoluteDir().absolutePath();
-    if (!_presetPath.endsWith("/"))
-        _presetPath += "/";
-
-    QFile file(filePath);
-    if (!file.open(QIODevice::WriteOnly|QIODevice::Truncate))
-    {
-        return;
-    }
-    QTextStream out(&file);
-
-    QDomDocument    xmlDoc;
-    QDomElement rootElm = xmlDoc.createElement(tr("CurvePreSet"));
-    xmlDoc.appendChild(rootElm);
-
-    if (curveAttribute != nullptr)
-    {
-        _saveAttribute(rootElm, curveAttribute);
-    }
-    else if (colorAttribute != nullptr)
-    {
-        _saveAttribute(rootElm, colorAttribute);
-    }
-    // 4 is count of indent
-    xmlDoc.save(out, 4);
-}
-
-void CurveEditorMainWindow::on_actionLoad_Preset_to_Copy_Buffer_triggered()
-{
-    QString filePath = QFileDialog::getOpenFileName(this, tr("Open Curve PreSet"), _presetPath, tr("Curve PreSet(*.cps)"));
-    if (filePath.length() == 0)
-    {
-        QMessageBox::warning(this, tr("Path"), tr("You didn't select any files."));
-        return;
-    }
-
-    QFileInfo fileInfo(filePath);
-    _presetPath = fileInfo.absoluteDir().absolutePath();
-    if (!_presetPath.endsWith("/"))
-        _presetPath += "/";
-
-    QFile file(filePath);
-
-    if (!file.open(QIODevice::ReadOnly))
-    {
-        return;
-    }
-
-    QDomDocument    xmlDoc;
-    if (!xmlDoc.setContent(&file))
-    {
-        file.close();
-        return;
-    }
-    file.close();
-
-    if (xmlDoc.isNull() || xmlDoc.documentElement().tagName() != tr("CurvePreSet"))
-    {
-        QMessageBox::warning(this, tr("Warning"), tr("The file you selected is empty or not a cps file."));
-        return;
-    }
-
-    QDomElement elm = xmlDoc.documentElement().firstChildElement();
-    CurveAttributeBase* presetAttribute = _loadAttribute(elm);
-    if (nullptr == presetAttribute)
-    {
-        QMessageBox::warning(this, tr("Warning"), tr("Faid to load the cps file!"));
-        return;
-    }
-
-    if (eSingleAttr == presetAttribute->_type)
-    {
-        if (_curveAttributeCache == nullptr)
-            _curveAttributeCache = new CurveAttribute("curveAttributeCache");
-
-        CurveAttribute* presetCurveAttribute = static_cast<CurveAttribute*>(presetAttribute);
-        _curveAttributeCache->curve = presetCurveAttribute->curve;
-    }
-    else if (eColorAttr == presetAttribute->_type)
-    {
-        if (_colorAttributeCache == nullptr)
-            _colorAttributeCache = new ColorAttribute("colorAttributeCache");
-
-        ColorAttribute* presetColorAttribute = static_cast<ColorAttribute*>(presetAttribute);
-        _colorAttributeCache->colorCurve = presetColorAttribute->colorCurve;
-        _colorAttributeCache->alphaCurve = presetColorAttribute->alphaCurve;
-    }
-}
-
-void CurveEditorMainWindow::on_actionImport_Preset_onto_Selected_triggered()
-{
-    CurveAttribute* curveAttribute = nullptr;
-    ColorAttribute* colorAttribute = nullptr;
-    if (eCurveTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetCurveAttributes->selectedItems();
-        if (1 != items.count())
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("You should select only one attribute to import preset."));
-            return;
-        }
-
-        CurveAttributeTreeItem* item = static_cast<CurveAttributeTreeItem*>(items.at(0));
-
-        if (eSingleAttr != item->_attribute->getType())
-        {
-            return;
-        }
-
-        curveAttribute = static_cast<CurveAttribute*>(item->_attribute);
-    }
-    else if (eColorTab == ui->tabWidgetAttributes->currentIndex())
-    {
-        QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-        if (1 != items.count())
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("You should select only one attribute to import preset."));
-            return;
-        }
-
-        ColorAttributeTreeItem* item = static_cast<ColorAttributeTreeItem*>(items.at(0));
-
-        if (eColorAttr != item->_attribute->getType())
-        {
-            return;
-        }
-
-        colorAttribute = item->_attribute;
-    }
-
-    QString filePath = QFileDialog::getOpenFileName(this, tr("Open Curve PreSet"), _presetPath, tr("Curve PreSet(*.cps)"));
-    if (filePath.length() == 0)
-    {
-        QMessageBox::warning(this, tr("Path"), tr("You didn't select any files."));
-        return;
-    }
-
-    QFileInfo fileInfo(filePath);
-    _presetPath = fileInfo.absoluteDir().absolutePath();
-    if (!_presetPath.endsWith("/"))
-        _presetPath += "/";
-
-    QFile file(filePath);
-
-    if (!file.open(QIODevice::ReadOnly))
-    {
-        return;
-    }
-
-    QDomDocument    xmlDoc;
-    if (!xmlDoc.setContent(&file))
-    {
-        file.close();
-        return;
-    }
-    file.close();
-
-    if (xmlDoc.isNull() || xmlDoc.documentElement().tagName() != tr("CurvePreSet"))
-    {
-        QMessageBox::warning(this, tr("Warning"), tr("The file you selected is empty or not a cps file."));
-        return;
-    }
-
-    QDomElement elm = xmlDoc.documentElement().firstChildElement();
-    CurveAttributeBase* presetAttribute = _loadAttribute(elm);
-    if (nullptr == presetAttribute)
-    {
-        QMessageBox::warning(this, tr("Warning"), tr("Faid to load the cps file!"));
-        return;
-    }
-
-    if (eSingleAttr == presetAttribute->_type)
-    {
-        CurveAttribute* presetCurveAttribute = static_cast<CurveAttribute*>(presetAttribute);
-
-        bool compatible = (curveAttribute != nullptr) ? true:false;
-        if (compatible)
-        {
-            curveAttribute->curve = presetCurveAttribute->curve;
-            on_treeWidgetCurveAttributes_itemSelectionChanged();
-            CurveAttributeChanged(curveAttribute);
-        }
-        else
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("The selected attribute is incompatible with preset attribute."));
-        }
-    }
-    else if (eColorAttr == presetAttribute->_type)
-    {
-        ColorAttribute* presetColorAttribute = static_cast<ColorAttribute*>(presetAttribute);
-
-        bool compatible = (colorAttribute != nullptr) ? true:false;;
-        if (compatible)
-        {
-            colorAttribute->colorCurve = presetColorAttribute->colorCurve;
-            colorAttribute->alphaCurve = presetColorAttribute->alphaCurve;
-            on_treeWidgetColorAttributes_itemSelectionChanged();
-            ColorAttributeChanged(colorAttribute);
-        }
-        else
-        {
-            QMessageBox::warning(this, tr("Warning"), tr("The selected attribute is incompatible with preset attribute."));
-        }
-    }
-}
-
-void CurveEditorMainWindow::on_actionReset_Curve_triggered()
-{
-    if (ui->tabWidgetAttributes->currentIndex() == eCurveTab)
-    {
-        _curveWidget->reset();
-    }
-    else if (ui->tabWidgetAttributes->currentIndex() == eColorTab)
-    {
-        _colorWidget->reset();
-    }
-
-}
-
-void CurveEditorMainWindow::on_actionAdd_Before_Selected_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->addControlPointsBeforeSelected();
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->addControlPointsBeforeSelected();
-}
-
-void CurveEditorMainWindow::on_actionAdd_After_Selected_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->addControlPointsAfterSelected();
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->addControlPointsAfterSelected();
-}
-
-void CurveEditorMainWindow::on_actionRemove_Selected_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->removeSelectedControlPoints();
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->removeSelectedControlPoint();
-}
-
-void CurveEditorMainWindow::on_actionTangent_Stepped_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->setTangentType(eDiscret);
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->setTangentType(eDiscret);
-}
-
-void CurveEditorMainWindow::on_actionTangent_Linear_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->setTangentType(eLinear);
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->setTangentType(eLinear);
-}
-
-void CurveEditorMainWindow::on_actionTangent_Smooth_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->setSmoothTangent();
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->setSmoothTangent();
-}
-
-void CurveEditorMainWindow::on_actionTangent_Ease_Out_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->setEaseOutTangent();
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->setEaseOutTangent();
-}
-
-void CurveEditorMainWindow::on_actionTangent_Ease_In_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->setEaseInTangent();
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->setEaseInTangent();
-}
-
-void CurveEditorMainWindow::on_actionTangent_Spline_triggered()
-{
-    if (_curveWidget->hasFocus())
-        _curveWidget->setTangentType(eCatmullRomSpline);
-
-    if (_colorWidget->hasFocus())
-        _colorWidget->setTangentType(eCatmullRomSpline);
-}
-
-void CurveEditorMainWindow::on_actionSnap_All_triggered()
-{
-    _curveWidget->setSnapAll();
-}
-
-void CurveEditorMainWindow::on_actionSnap_Horizontal_triggered()
-{
-    _curveWidget->setSnapHorizontal();
-}
-
-void CurveEditorMainWindow::on_actionSnap_Vertical_triggered()
-{
-    _curveWidget->setSnapVertical();
-}
-
-void CurveEditorMainWindow::on_actionContract_Horizontally_triggered()
-{
-    _curveWidget->decreaseCurveScaleHorizontally();
-}
-
-void CurveEditorMainWindow::on_actionExpand_Horizontally_triggered()
-{
-    _curveWidget->increaseCurveScaleHorizontally();
-}
-
-void CurveEditorMainWindow::on_actionContract_Vertically_triggered()
-{
-    _curveWidget->decreaseCurveScaleVertically();
-}
-
-void CurveEditorMainWindow::on_actionExpand_Vertically_triggered()
-{
-    _curveWidget->increaseCurveScaleVertically();
-}
-
-void CurveEditorMainWindow::on_actionFrame_Horizontally_triggered()
-{
-    _curveWidget->frameCurveScaleHorizontally();
-}
-
-void CurveEditorMainWindow::on_actionFrame_Vertically_triggered()
-{
-    _curveWidget->frameCurveScaleVertically();
-}
-
-void CurveEditorMainWindow::on_actionFrame_All_triggered()
-{
-    _curveWidget->frameCurveScale();
-}
-
-void CurveEditorMainWindow::on_spinBoxLocation_valueChanged(double value)
-{
-    if (!_updateUIFromData)
-        _curveWidget->setLocation(value);
-}
-
-void CurveEditorMainWindow::on_spinBoxValue_valueChanged(double value)
-{
-    if (!_updateUIFromData)
-        _curveWidget->setValue(value);
-}
-
-void CurveEditorMainWindow::on_btnColor_clicked()
-{
-    QColor color = _colorWidget->getColor();
-    pickColor(color, nullptr);
-    _colorWidget->setColor(color);
-    setButtonColor(ui->btnColor, color);
-}
-
-void CurveEditorMainWindow::on_btnColorTex_clicked()
-{
-    QString filePath = OpenTextureFile(_colorWidget->getColorTex().isEmpty() ? _lastFilePath : _colorWidget->getColorTex());
-    _colorWidget->setColorTex(filePath);
-    setButtonTex(ui->btnColorTex, !filePath.isEmpty());
-
-    if (!filePath.isEmpty())
-    {
-        QFileInfo fileInfo(filePath);
-        _lastFilePath = fileInfo.absoluteDir().absolutePath();
-    }
-}
-
-void CurveEditorMainWindow::on_btnColorReload_clicked()
-{
-    QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-    if (0 ==items.count())
-        return;
-
-    _colorWidget->reloadColorTex();
-}
-
-void CurveEditorMainWindow::on_btnColorClear_clicked()
-{
-    _colorWidget->clearColorTex();
-    setButtonTex(ui->btnColorTex, false);
-}
-
-void CurveEditorMainWindow::on_btnAlpha_clicked()
-{
-    int alpha = _colorWidget->getAlpha();
-    pickAlpha(alpha, nullptr);
-    _colorWidget->setAlpha(alpha);
-    setButtonColor(ui->btnAlpha, QColor(alpha, alpha, alpha));
-}
-
-void CurveEditorMainWindow::on_btnAlphaTex_clicked()
-{
-    QString filePath = OpenTextureFile(_colorWidget->getAlphaTex().isEmpty() ? _lastFilePath : _colorWidget->getAlphaTex());
-    _colorWidget->setAlphaTex(filePath);
-    setButtonTex(ui->btnAlphaTex, !filePath.isEmpty());
-
-    if (!filePath.isEmpty())
-    {
-        QFileInfo fileInfo(filePath);
-        _lastFilePath = fileInfo.absoluteDir().absolutePath();
-    }
-}
-
-void CurveEditorMainWindow::on_btnAlphaReload_clicked()
-{
-    QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-    if (0 ==items.count())
-        return;
-
-    _colorWidget->reloadAlphaTex();
-}
-
-void CurveEditorMainWindow::on_btnAlphaClear_clicked()
-{
-    _colorWidget->clearAlphaTex();
-    setButtonTex(ui->btnAlphaTex, false);
-}
-
-void CurveEditorMainWindow::on_checkBoxUseAlphaChannellFromColor_stateChanged(int val)
-{
-    _colorWidget->setUseAlphaFromColor(0 != val);
-}
-
-void CurveEditorMainWindow::on_treeWidgetCurveAttributes_itemSelectionChanged()
-{
-    std::vector<CurveAttributeBase*> attributes;
-
-    QList<QTreeWidgetItem*> items = ui->treeWidgetCurveAttributes->selectedItems();
-    int count = items.count();
-    for (int i = 0; i < items.count(); ++i)
-    {
-        CurveAttributeTreeItem* item = static_cast<CurveAttributeTreeItem*>(items.at(i));
-
-        attributes.push_back(item->_attribute);
-
-        qDebug()<< item->_attribute->getName().c_str();
-    }
-
-    _curveWidget->setCurveAttributes(attributes);
-
-    bool canMoveControlPointHorizontally = _canMoveCurveControlPointHorizontally;
-    bool canAddRemoveControlPoint = _canAddRemoveCurveControlPoint;
-    bool canChangeTangentType = _canChangeCurveTangentType;
-    for (size_t i = 0; i < attributes.size(); ++i)
-    {
-        CurveAttributeBase* attribute = attributes[i];
-        if (eGroupAttr == attribute->getType())
-        {
-            CurveAttributeGroup* attributeGroup = static_cast<CurveAttributeGroup*>(attribute);
-            for (size_t j = 0; j < attributeGroup->attributes.size(); ++j)
-            {
-                CurveAttributeBase* attributeInGroup = attributeGroup->attributes[j];
-
-                if (attributeInGroup->canMoveControlPointHorizontally())
-                    canMoveControlPointHorizontally = true;
-
-                if (attributeInGroup->canAddRemoveControlPoint())
-                    canAddRemoveControlPoint = true;
-
-                if (attributeInGroup->canChangeTangentType())
-                    canChangeTangentType = true;
-            }
-        }
-        else
-        {
-            if (attribute->canMoveControlPointHorizontally())
-                canMoveControlPointHorizontally = true;
-
-            if (attribute->canAddRemoveControlPoint())
-                canAddRemoveControlPoint = attribute->canAddRemoveControlPoint();
-
-            if (attribute->canChangeTangentType())
-                canChangeTangentType = true;
-        }
-    }
-
-    ui->spinBoxLocation->setEnabled(canMoveControlPointHorizontally);
-    _syncUIStatusWithSelectedAttribute(canAddRemoveControlPoint, canChangeTangentType);
-}
-
-void CurveEditorMainWindow::on_treeWidgetColorAttributes_itemSelectionChanged()
-{
-    QList<QTreeWidgetItem*> items = ui->treeWidgetColorAttributes->selectedItems();
-    if (0 == items.count())
-        return;
-
-    ColorAttributeTreeItem* item = static_cast<ColorAttributeTreeItem*>(items.at(0));
-    _colorWidget->setColorAttribute(item->_attribute);
-    _colorWidget->setCanAddRemoveControlPoint(item->_attribute->canAddRemoveControlPoint());
-
-    _syncUIStatusWithSelectedAttribute(item->_attribute->canAddRemoveControlPoint(), item->_attribute->canChangeTangentType());
-}
-
-void CurveEditorMainWindow::on_tabWidgetAttributes_currentChanged(int index)
-{
-    //if (eCurveTab == index)
-    //{
-    //    _setCurveExclusiveUIEnable(true);
-    //}
-    //else if (eColorTab == index)
-    //{
-    //    _setCurveExclusiveUIEnable(false);
-    //}
-}
-
-void CurveEditorMainWindow::on_sliderColorFallOff_sliderMoved(int value)
-{
-    if (!_updateUIFromData)
-    {
-        _colorWidget->setColorFallOff((float)value/100);
-
-        if (_colorWidget->isLink())
-        {
-            _updateUIFromData = true;
-            ui->sliderAlphaFallOff->setValue(value);
-            _updateUIFromData = false;
-        }
-    }
-}
-
-void CurveEditorMainWindow::on_sliderAlphaFallOff_sliderMoved(int value)
-{
-    if (!_updateUIFromData)
-    {
-        _colorWidget->setAlphaFallOff((float)value/100);
-
-        if (_colorWidget->isLink())
-        {
-            _updateUIFromData = true;
-            ui->sliderAlphaFallOff->setValue(value);
-            _updateUIFromData = false;
-        }
-    }
-}
-
-void CurveEditorMainWindow::on_actionAdd_Control_Point_By_Click_triggered(bool val)
-{
-    _curveWidget->setAddCtrlPntByClick(val);
-    _curveWidget->setRemoveCtrlPntByClick(false);
-
-    _colorWidget->setAddCtrlPntByClick(val);
-    _colorWidget->setRemoveCtrlPntByClick(false);
-}
-
-void CurveEditorMainWindow::on_actionRemove_Control_Point_By_Click_triggered(bool val)
-{
-    _curveWidget->setAddCtrlPntByClick(false);
-    _curveWidget->setRemoveCtrlPntByClick(val);
-
-    _colorWidget->setAddCtrlPntByClick(false);
-    _colorWidget->setRemoveCtrlPntByClick(val);
-}
-
-void CurveEditorMainWindow::onCurvePickedControlPointChanged(const std::vector<CurveEntity*>& pickedCurves)
-{
-    bool enableChangeTangentType = true;
-    bool enableAddRemoveCtrlPnts = true;
-    bool enableLoactionEditor = true;
-    bool locationSameForAllAttributes = true;
-    bool valueSameForAllAttributes = true;
-    float location = FLT_MIN, value = FLT_MIN;
-    _updateUIFromData = true;
-    ui->spinBoxLocation->setValue(location);
-    ui->spinBoxValue->setValue(value);
-    _updateUIFromData = false;
-    for(size_t i = 0; i < pickedCurves.size(); ++i)
-    {
-        CurveEntity* curveEntity = pickedCurves[i];
-        std::vector<int>& pickedControlPoints = pickedCurves[i]->getPickedControlPointIndexes();
-        const ControlPoint& ctrlPnt = pickedCurves[i]->_curve->getControlPoint(pickedControlPoints[0]);
-
-        if (!curveEntity->_attribute->canMoveControlPointHorizontally())
-            enableLoactionEditor = false;
-
-        if (pickedControlPoints.size() > 1)
-            enableLoactionEditor = false;
-
-        if (location == FLT_MIN)
-        {
-            location = ctrlPnt.value.x();
-            _updateUIFromData = true;
-            ui->spinBoxLocation->setValue(location);
-            _updateUIFromData = false;
-        }
-        else if (location != ctrlPnt.value.x())
-            locationSameForAllAttributes = false;
-
-        if (value == FLT_MIN)
-        {
-            value = ctrlPnt.value.y();
-            _updateUIFromData = true;
-            ui->spinBoxValue->setValue(value);
-            _updateUIFromData = false;
-        }
-        else if (value != ctrlPnt.value.y())
-            valueSameForAllAttributes = false;
-
-        if (!curveEntity->_attribute->canChangeTangentType() && pickedControlPoints.size() != 0)
-            enableChangeTangentType = false;
-
-        if (!curveEntity->_attribute->canAddRemoveControlPoint() && pickedControlPoints.size() != 0)
-            enableAddRemoveCtrlPnts = false;
-
-    }
-
-    if (pickedCurves.size() > 0)
-    {
-        ui->spinBoxLocation->setEnabled(enableLoactionEditor);
-
-        setFocusColor(ui->labelLoacation, locationSameForAllAttributes);
-        setFocusColor(ui->labelValue, valueSameForAllAttributes);
-
-        _setTangentTypeUIStatus(enableChangeTangentType);
-        _setAddRemoveCtrlPntUIStatus(enableAddRemoveCtrlPnts);
-    }
-    else
-    {
-        on_treeWidgetCurveAttributes_itemSelectionChanged();
-    }
-
-}
-
-void CurveEditorMainWindow::onCurvePickedControlPointValueChanged(QPointF& value)
-{
-    _updateUIFromData = true;
-    ui->spinBoxLocation->setValue(value.x());
-    ui->spinBoxValue->setValue(value.y());
-    _updateUIFromData = false;
-
-    QList<QTreeWidgetItem*> selectedAttributes = ui->treeWidgetCurveAttributes->selectedItems();
-    if (selectedAttributes.count() > 0)
-    {
-
-    }
-}
-
-void CurveEditorMainWindow::_fillCurveAttributesTree()
-{
-    ui->treeWidgetCurveAttributes->clear();
-
-    size_t countAttributes = _curveAttributes.size();
-    for (size_t i = 0; i < countAttributes; ++i)
-    {
-        CurveAttributeBase* attribute = _curveAttributes[i];
-        CurveAttributeTreeItem* itemFirstLevel = new CurveAttributeTreeItem(ui->treeWidgetCurveAttributes, attribute);
-        itemFirstLevel->setText(0, attribute->getName().c_str());
-
-        if (attribute->getType() == eGroupAttr)
-        {
-            CurveAttributeGroup* attributeGroup = static_cast<CurveAttributeGroup*>(attribute);
-            size_t countAttributesInGroup = attributeGroup->attributes.size();
-            for (size_t j = 0; j < countAttributesInGroup; ++j)
-            {
-                CurveAttribute* attributeInGroup = static_cast<CurveAttribute*>(attributeGroup->attributes[j]);
-                CurveAttributeTreeItem* itemSecondLevel = new CurveAttributeTreeItem(itemFirstLevel, attributeInGroup);
-                itemSecondLevel->setText(0, attributeInGroup->getName().c_str());
-                itemSecondLevel->setForeground(0, QBrush(attributeInGroup->color));
-            }
-        }
-        else
-        {
-            CurveAttribute* attributeSecific = static_cast<CurveAttribute*>(attribute);
-            itemFirstLevel->setForeground(0, QBrush(attributeSecific->color));
-        }
-    }
-}
-
-void CurveEditorMainWindow::_fillColorAttributesTree()
-{
-    ui->treeWidgetColorAttributes->clear();
-
-    size_t countAttributes = _colorAttributes.size();
-    for (size_t i = 0; i < countAttributes; ++i)
-    {
-        ColorAttribute* attribute = _colorAttributes[i];
-        ColorAttributeTreeItem* itemFirstLevel = new ColorAttributeTreeItem(ui->treeWidgetColorAttributes, attribute);
-        itemFirstLevel->setText(0, attribute->getName().c_str());
-    }
-}
-
-void CurveEditorMainWindow::_syncUIStatusWithSelectedAttribute(bool canAddRemoveControlPoint, bool canChangeTangentType)
-{
-    _setAddRemoveCtrlPntUIStatus(canAddRemoveControlPoint);
-    _setTangentTypeUIStatus(canChangeTangentType);
-}
-
-void CurveEditorMainWindow::_setCurveExclusiveUIEnable(bool enable)
-{
-    ui->actionSnap_All->setEnabled(enable);
-    ui->actionSnap_Horizontal->setEnabled(enable);
-    ui->actionSnap_Vertical->setEnabled(enable);
-    ui->actionExpand_Horizontally->setEnabled(enable);
-    ui->actionExpand_Vertically->setEnabled(enable);
-    ui->actionFrame_Horizontally->setEnabled(enable);
-    ui->actionFrame_Vertically->setEnabled(enable);
-    ui->actionFrame_All->setEnabled(enable);
-    ui->actionContract_Horizontally->setEnabled(enable);
-    ui->actionContract_Vertically->setEnabled(enable);
-}
-
-void CurveEditorMainWindow::_setColorUIEnable(bool enable)
-{
-    ui->btnColor->setEnabled(enable);
-    ui->btnColorTex->setEnabled(enable);
-    ui->btnColorReload->setEnabled(enable);
-    ui->btnColorClear->setEnabled(enable);
-    ui->sliderColorFallOff->setEnabled(enable);
-}
-
-void CurveEditorMainWindow::_setAlphaUIEnable(bool enable)
-{
-    if (_colorWidget->isLink())
-        ui->btnAlpha->setEnabled(true);
-    else
-        ui->btnAlpha->setEnabled(enable);
-    ui->btnAlphaTex->setEnabled(enable);
-    ui->btnAlphaReload->setEnabled(enable);
-    ui->btnAlphaClear->setEnabled(enable);
-    ui->sliderAlphaFallOff->setEnabled(enable);
-}
-
-void CurveEditorMainWindow::onColorPickedControlPointChanged(bool isColorCtrlPnt)
-{
-    QColor color = _colorWidget->getColor();
-    setButtonColor(ui->btnColor, color);
-    int alpha = _colorWidget->getAlpha();
-    setButtonColor(ui->btnAlpha, QColor(alpha, alpha, alpha));
-
-    QString colorTex = _colorWidget->getColorTex();
-    setButtonTex(ui->btnColorTex, !colorTex.isEmpty());
-    QString alphaTex = _colorWidget->getAlphaTex();
-    setButtonTex(ui->btnAlphaTex, !alphaTex.isEmpty());
-
-    _updateUIFromData = true;
-    ui->sliderColorFallOff->setValue(_colorWidget->getColorFallOff() * 100);
-    ui->sliderAlphaFallOff->setValue(_colorWidget->getAlphaFallOff() * 100);
-    _setColorUIEnable(isColorCtrlPnt);
-    _setAlphaUIEnable(!isColorCtrlPnt);
-    _updateUIFromData = false;
-}
-
-void CurveEditorMainWindow::_saveAttribute(QDomElement& parentElm, CurveAttribute* attribute)
-{
-    QDomElement newElm = parentElm.ownerDocument().createElement(tr("Attribute"));
-    parentElm.appendChild(newElm);
-    newElm.setAttribute(tr("Name"), attribute->getName().c_str());
-    newElm.setAttribute(tr("Color"), QString().setNum(attribute->color.rgba(), 16));
-    if (!ui->checkBoxResamplePoints->isChecked())
-    {
-        _saveCurve(newElm, attribute->curve);
-    }
-    else
-    {
-        _saveCurve(newElm, attribute->curve.resampleCurve(ui->spinBoxResamplePoints->value()));
-    }
-}
-
-void CurveEditorMainWindow::_saveAttribute(QDomElement& parentElm, ColorAttribute* attribute)
-{
-    QDomElement newElm = parentElm.ownerDocument().createElement(tr("Attribute"));
-    parentElm.appendChild(newElm);
-    newElm.setAttribute(tr("Name"), attribute->getName().c_str());
-
-    _saveCurve(newElm, attribute->colorCurve, tr("ColorCurve"));
-    if (attribute->alphaCurve.getControlPointCount() > 0)
-        _saveCurve(newElm, attribute->alphaCurve, tr("AlphaCurve"));
-}
-
-void CurveEditorMainWindow::_saveCurve(QDomElement& parentElm, Curve& curve)
-{
-    QDomDocument domDoc = parentElm.ownerDocument();
-    QDomElement curveElm = domDoc.createElement(tr("Curve"));
-    parentElm.appendChild(curveElm);
-    curveElm.setAttribute(tr("MinValueX"), curve.getMinValue().x());
-    curveElm.setAttribute(tr("MinValueY"), curve.getMinValue().y());
-    curveElm.setAttribute(tr("MaxValueX"), curve.getMaxValue().x());
-    curveElm.setAttribute(tr("MaxValueY"), curve.getMaxValue().y());
-
-    int ctrlPntCount = curve.getControlPointCount();
-    for (int i = 0; i < ctrlPntCount; ++i)
-    {
-        const ControlPoint& ctrlPnt = curve.getControlPoint(i);
-        _saveCtrlPnt(curveElm, ctrlPnt);
-    }
-}
-
-void CurveEditorMainWindow::_saveCurve(QDomElement& parentElm, ColorCurve& curve, const QString& curveName)
-{
-    QDomDocument domDoc = parentElm.ownerDocument();
-    QDomElement curveElm = domDoc.createElement(curveName);
-    parentElm.appendChild(curveElm);
-    curveElm.setAttribute(tr("MinValue"), curve.getMinValue());
-    curveElm.setAttribute(tr("MaxValue"), curve.getMaxValue());
-
-    int ctrlPntCount = curve.getControlPointCount();
-    for (int i = 0; i < ctrlPntCount; ++i)
-    {
-        const ColorControlPoint& ctrlPnt = curve.getControlPoint(i);
-        _saveCtrlPnt(curveElm, ctrlPnt);
-    }
-}
-
-void CurveEditorMainWindow::_saveCtrlPnt(QDomElement& parentElm, const ControlPoint& ctrlPnt)
-{
-    QDomDocument domDoc = parentElm.ownerDocument();
-    QDomElement ctrlPntElm = domDoc.createElement(tr("ControlPoint"));
-    parentElm.appendChild(ctrlPntElm);
-
-    QDomElement valueElm = domDoc.createElement(tr("Value"));
-    ctrlPntElm.appendChild(valueElm);
-    valueElm.setAttribute(tr("X"), ctrlPnt.value.x());
-    valueElm.setAttribute(tr("Y"), ctrlPnt.value.y());
-
-    QDomElement modeElm = domDoc.createElement(tr("InterpolateMode"));
-    ctrlPntElm.appendChild(modeElm);
-    QDomNode txt = domDoc.createTextNode(InterpolateModeToString(ctrlPnt.mode));
-    modeElm.appendChild(txt);
-
-    if (eBezierSpline == ctrlPnt.mode)
-    {
-        QDomElement bezierSplineDataElm = domDoc.createElement(tr("BezierSplineData"));
-        ctrlPntElm.appendChild(bezierSplineDataElm);
-
-        bezierSplineDataElm.setAttribute(tr("InTan"), QString("%0").arg(ctrlPnt.splineData.inTan));
-        bezierSplineDataElm.setAttribute(tr("InLen"), QString("%0").arg(ctrlPnt.splineData.inLen));
-        bezierSplineDataElm.setAttribute(tr("OutTan"), QString("%0").arg(ctrlPnt.splineData.outTan));
-        bezierSplineDataElm.setAttribute(tr("OutLen"), QString("%0").arg(ctrlPnt.splineData.outLen));
-    }
-}
-
-void CurveEditorMainWindow::_saveCtrlPnt(QDomElement& parentElm, const ColorControlPoint& ctrlPnt)
-{
-    QDomDocument domDoc = parentElm.ownerDocument();
-    QDomElement ctrlPntElm = domDoc.createElement(tr("ColorControlPoint"));
-    parentElm.appendChild(ctrlPntElm);
-
-    QDomElement valueElm = domDoc.createElement(tr("Value"));
-    ctrlPntElm.appendChild(valueElm);
-    valueElm.setAttribute(tr("X"), ctrlPnt.x);
-    valueElm.setAttribute(tr("Color"), QString().setNum(ctrlPnt.color.rgba(), 16));
-    valueElm.setAttribute(tr("Weight"), ctrlPnt.weight);
-    valueElm.setAttribute(tr("FallOff"), ctrlPnt.fallOff);
-    valueElm.setAttribute(tr("TexturePath"), ctrlPnt.texturePath.c_str());
-
-    QDomElement modeElm = domDoc.createElement(tr("InterpolateMode"));
-    ctrlPntElm.appendChild(modeElm);
-    QDomNode txt = domDoc.createTextNode(InterpolateModeToString(ctrlPnt.mode));
-    modeElm.appendChild(txt);
-
-    if (eBezierSpline == ctrlPnt.mode)
-    {
-        QDomElement bezierSplineDataElm = domDoc.createElement(tr("BezierSplineData"));
-        ctrlPntElm.appendChild(bezierSplineDataElm);
-
-        bezierSplineDataElm.setAttribute(tr("InTan"), QString("%0").arg(ctrlPnt.splineData.inTan));
-        bezierSplineDataElm.setAttribute(tr("InLen"), QString("%0").arg(ctrlPnt.splineData.inLen));
-        bezierSplineDataElm.setAttribute(tr("OutTan"), QString("%0").arg(ctrlPnt.splineData.outTan));
-        bezierSplineDataElm.setAttribute(tr("OutLen"), QString("%0").arg(ctrlPnt.splineData.outLen));
-    }
-}
-
-CurveAttributeBase* CurveEditorMainWindow::_loadAttribute(QDomElement& elm)
-{
-    QString name = elm.attribute(tr("Name"));
-
-    QDomElement curveElm = elm.firstChildElement(tr("Curve"));
-    if (!curveElm.isNull())
-    {
-        CurveAttribute* attribute = new CurveAttribute("");
-        attribute->_name = name.toStdString();
-        //qDebug()<<"attribute Name"<<name<<" Color:"<<elm.attribute(tr("Color"));
-        attribute->color.setRgba(elm.attribute(tr("Color")).toUInt(0, 16));
-        //qDebug()<<"color:::"<<QString().setNum(attrData->color.rgba(), 16);
-        float minValueX = curveElm.attribute(tr("MinValueX")).toFloat();
-        float minValueY = curveElm.attribute(tr("MinValueY")).toFloat();
-        float maxValueX = curveElm.attribute(tr("MaxValueX")).toFloat();
-        float maxValueY = curveElm.attribute(tr("MaxValueY")).toFloat();
-        attribute->curve.initValueRange(QPointF(minValueX, minValueY), QPointF(maxValueX, maxValueY));
-        _loadCurve(curveElm, attribute->curve);
-
-        return attribute;
-    }
-    else
-    {
-        curveElm = elm.firstChildElement(tr("ColorCurve"));
-
-        if (!curveElm.isNull())
-        {
-            ColorAttribute* attribute = new ColorAttribute("");
-            attribute->_name = name.toStdString();
-            float minValue = curveElm.attribute(tr("MinValue")).toFloat();
-            float maxValue = curveElm.attribute(tr("MaxValue")).toFloat();
-            attribute->colorCurve.initValueRange(minValue, maxValue);
-            _loadCurve(curveElm, attribute->colorCurve);
-
-            curveElm = elm.firstChildElement(tr("AlphaCurve"));
-            minValue = curveElm.attribute(tr("MinValue")).toFloat();
-            maxValue = curveElm.attribute(tr("MaxValue")).toFloat();
-            attribute->alphaCurve.initValueRange(minValue, maxValue);
-            _loadCurve(curveElm, attribute->alphaCurve);
-            return attribute;
-        }
-    }
-
-    return nullptr;
-}
-
-void CurveEditorMainWindow::_loadCurve(QDomElement& elm, Curve& curve)
-{
-    QDomNodeList nodeList = elm.elementsByTagName(tr("ControlPoint"));
-    for (int i = 0; i < nodeList.count(); ++i)
-    {
-        QDomElement ctrlElm = nodeList.at(i).toElement();
-
-        ControlPoint ctrlPnt;
-        if (!ctrlElm.isNull())
-        {
-            _loadCtrlPnt(ctrlElm, ctrlPnt);
-            curve.appendControlPoint(ctrlPnt, false);
-        }
-    }
-}
-
-void CurveEditorMainWindow::_loadCurve(QDomElement& elm, ColorCurve& curve)
-{
-    QDomNodeList nodeList = elm.elementsByTagName(tr("ColorControlPoint"));
-    for (int i = 0; i < nodeList.count(); ++i)
-    {
-        QDomElement ctrlElm = nodeList.at(i).toElement();
-
-        ColorControlPoint ctrlPnt;
-        if (!ctrlElm.isNull())
-        {
-            _loadCtrlPnt(ctrlElm, ctrlPnt);
-            curve.appendControlPoint(ctrlPnt, false);
-        }
-    }
-}
-
-void CurveEditorMainWindow::_loadCtrlPnt(QDomElement& elm, ControlPoint& ctrlPnt)
-{
-    QDomElement valueElm = elm.firstChildElement(tr("Value"));
-    ctrlPnt.value.setX(valueElm.attribute(tr("X")).toFloat());
-    ctrlPnt.value.setY(valueElm.attribute(tr("Y")).toFloat());
-
-    QDomElement modeElm = elm.firstChildElement(tr("InterpolateMode"));
-
-    ctrlPnt.mode =  StringToInterpolateMode(modeElm.text());
-
-    if (eBezierSpline == ctrlPnt.mode)
-    {
-        QDomElement bezierElm = elm.firstChildElement(tr("BezierSplineData"));
-
-        ctrlPnt.splineData.inTan = bezierElm.attribute(tr("InTan")).toFloat();
-        ctrlPnt.splineData.inLen = bezierElm.attribute(tr("InLen")).toFloat();
-        ctrlPnt.splineData.outTan = bezierElm.attribute(tr("OutTan")).toFloat();
-        ctrlPnt.splineData.outLen = bezierElm.attribute(tr("OutLen")).toFloat();
-    }
-}
-
-void CurveEditorMainWindow::_loadCtrlPnt(QDomElement& elm, ColorControlPoint& ctrlPnt)
-{
-    QDomElement valueElm = elm.firstChildElement(tr("Value"));
-    ctrlPnt.x = valueElm.attribute(tr("X")).toFloat();
-    ctrlPnt.color.setRgba(valueElm.attribute(tr("Color")).toUInt(0, 16));
-    ctrlPnt.weight = valueElm.attribute(tr("Weight")).toFloat();
-    ctrlPnt.fallOff = valueElm.attribute(tr("FallOff")).toFloat();
-    ctrlPnt.weight = valueElm.attribute(tr("Weight")).toFloat();
-    ctrlPnt.texturePath = valueElm.attribute(tr("TexturePath")).toStdString();
-
-    QDomElement modeElm = elm.firstChildElement(tr("InterpolateMode"));
-
-    ctrlPnt.mode =  StringToInterpolateMode(modeElm.text());
-
-    if (eBezierSpline == ctrlPnt.mode)
-    {
-        QDomElement bezierElm = elm.firstChildElement(tr("BezierSplineData"));
-
-        ctrlPnt.splineData.inTan = bezierElm.attribute(tr("InTan")).toFloat();
-        ctrlPnt.splineData.inLen = bezierElm.attribute(tr("InLen")).toFloat();
-        ctrlPnt.splineData.outTan = bezierElm.attribute(tr("OutTan")).toFloat();
-        ctrlPnt.splineData.outLen = bezierElm.attribute(tr("OutLen")).toFloat();
-    }
-}
-
-void CurveEditorMainWindow::_setTangentTypeUIStatus(bool enable)
-{
-    ui->actionTangent_Stepped->setEnabled(enable);
-    ui->actionTangent_Linear->setEnabled(enable);
-    ui->actionTangent_Smooth->setEnabled(enable);
-    ui->actionTangent_Ease_Out->setEnabled(enable);
-    ui->actionTangent_Ease_In->setEnabled(enable);
-    ui->actionTangent_Spline->setEnabled(enable);
-}
-
-void CurveEditorMainWindow::_setAddRemoveCtrlPntUIStatus(bool enable)
-{
-    ui->actionAdd_Before_Selected->setEnabled(enable);
-    ui->actionAdd_After_Selected->setEnabled(enable);
-    ui->actionRemove_Selected->setEnabled(enable);
-    ui->actionAdd_Control_Point_By_Click->setEnabled(enable);
-    ui->actionRemove_Control_Point_By_Click->setEnabled(enable);
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Window/CurveWidget.cpp b/tools/CurveEditor/source/Internal/Window/CurveWidget.cpp
deleted file mode 100644
index fc778e5..0000000
--- a/tools/CurveEditor/source/Internal/Window/CurveWidget.cpp
+++ /dev/null
@@ -1,1229 +0,0 @@
-#include "CurveWidget.h"
-
-#include <QtWidgets/QLabel>
-#include <QtGui/QImage>
-#include <QtWidgets/QVBoxLayout>
-#include <QtGui/QMouseEvent>
-#include <QtGui/QPaintEvent>
-#include <QtGui/QPainter>
-#include <QtGui/QPainterPath>
-#include <QtCore/QDebug>
-#include "CurveEditorMainWindow.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-const int MARGIN_X = 2;
-const int MARGIN_Y = 2;
-const int SNAP_DISTANCE = 5;
-const float CROSS_THRESHOLD = 5.0f;
-const int GRID_INTIAL_SEGMENT_COUNT = 4;
-const int CTRL_PNT_ICON_SIZE = 6;
-const int CLICK_ON_CURVE_THRESHOLD = 4;
-const int CURVE_WIDTH = 2;
-const QColor GRID_COLOR = QColor(32, 32, 32, 64);
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF NDCToScreenCoord(QWidget* pWidget, QPointF p)
-{
-    int w = pWidget->width();
-    int h = pWidget->height();
-
-    float x = MARGIN_X + p.x() * (w - MARGIN_X * 2.0f);
-    float y = h - MARGIN_Y * 2.0 + p.y() * (MARGIN_Y * 3.0f - h);
-
-    return QPointF(x, y);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF ScreenToNDC(QWidget* pWidget, QPointF p)
-{
-    int w = pWidget->width();
-    int h = pWidget->height();
-
-    float sizey = 1.0f - 2.0f * MARGIN_Y;
-
-    float x = (p.x() - MARGIN_X) / (2 - MARGIN_X * 2.0f);
-    float y = (MARGIN_Y * 2.0f + p.y() - h) / (MARGIN_Y * 3.0f - h);
-
-    return QPointF(x, y);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool IsInSelectedCtrlPnts(const std::vector<int>& pickedPoints, int pointIndex)
-{
-    for (std::vector<int>::const_iterator itr = pickedPoints.begin(); itr != pickedPoints.end(); ++itr)
-    {
-        if (*itr == pointIndex)
-            return true;
-    }
-    return false;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool IsSamePoint(const QPointF& pntA, const QPointF& pntB, int threshold)
-{
-    float dx = pntB.x() - pntA.x();
-    float dy = pntB.y() - pntA.y();
-
-    float r = sqrt(dx * dx + dy * dy);
-    if (r <= threshold)
-        return true;
-    else
-        return false;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-int FindSelectedCtrlPnt(const std::vector<QPointF>& points, const QPointF& pickPos)
-{
-    for (size_t i = 0; i < points.size(); i++)
-    {
-        if (IsSamePoint(points[i], pickPos, CTRL_PNT_ICON_SIZE/2))
-            return (int)i;
-    }
-    return -1;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-CurveEntity::CurveEntity(CurveWidget* holder, CurveAttribute* attribute, const QColor& color)
-    : _holder(holder)
-    , _attribute(attribute)
-    , _curve(&(attribute->curve))
-    , _color(color)
-    , _pickedPoint(-1)
-    , _pickedPoints()
-    , _lastMousePosScreen()
-    , _ctrlPntToRemove(-1)
-{
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::setLocation(float location)
-{
-    if (_pickedPoints.size() != 1)
-        return ;
-
-    ControlPoint pnt = _curve->getControlPoint(_pickedPoints[0]);
-    pnt.value.setX(location);
-    _curve->setControlPoint(_pickedPoints[0], pnt);
-    emit _holder->CurveAttributeChanged(_attribute);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::setValue(float value)
-{
-    if (_pickedPoints.size() != 1)
-        return ;
-
-    ControlPoint pnt = _curve->getControlPoint(_pickedPoints[0]);
-    pnt.value.setY(value);
-    _curve->setControlPoint(_pickedPoints[0], pnt);
-    emit _holder->CurveAttributeChanged(_attribute);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::addControlPointsBeforeSelected()
-{
-    bool update = false;
-    for (std::vector<int>::iterator itr = _pickedPoints.begin(); itr != _pickedPoints.end(); ++itr)
-    {
-        if (*itr == 0)
-            continue;
-
-        _curve->insertControlPointAt(*itr);
-        ++(*itr);
-        update = true;
-
-        if (*itr <= _pickedPoint)
-        {
-            ++_pickedPoint;
-        }
-
-        for (std::vector<int>::iterator itrRight = itr + 1; itrRight != _pickedPoints.end(); ++itrRight)
-        {
-            ++(*itrRight);
-        }
-    }
-
-    if (update)
-    {
-        _curve->_needSample = true;
-        emit _holder->CurveAttributeChanged(_attribute);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::addControlPointsAfterSelected()
-{
-    bool update = false;
-    for (std::vector<int>::iterator itr = _pickedPoints.begin(); itr != _pickedPoints.end(); ++itr)
-    {
-        _curve->insertControlPointAt(*itr + 1);
-        update = true;
-
-        if ((*itr + 1) < _pickedPoint)
-        {
-            ++_pickedPoint;
-        }
-
-        for (std::vector<int>::iterator itrRight = itr + 1; itrRight != _pickedPoints.end(); ++itrRight)
-        {
-            ++(*itrRight);
-        }
-    }
-
-    if (update)
-    {
-        _curve->_needSample = true;
-        emit _holder->CurveAttributeChanged(_attribute);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::removeSelectedControlPoints()
-{
-    if (_pickedPoints.size() > 0)
-    {
-        _curve->removeControlPoints(_pickedPoints);
-        _pickedPoints.clear();
-        _pickedPoint = -1;
-        _curve->_needSample = true;
-        emit _holder->CurveAttributeChanged(_attribute);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::setTangentType(InterpolateMode mode)
-{
-    size_t pointsCount = _curve->getControlPointCount();
-    for (int i = 0; i < pointsCount; i++)
-    {
-        if (IsInSelectedCtrlPnts(_pickedPoints, i))
-        {
-            ControlPoint ctrlPnt = _curve->getControlPoint(i);
-            ctrlPnt.mode = mode;
-            _curve->setControlPoint(i, ctrlPnt);
-            emit _holder->CurveAttributeChanged(_attribute);
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::setSmoothTangent()
-{
-    size_t pointsCount = _curve->getControlPointCount();
-    for (int i = 0; i < pointsCount; i++)
-    {
-        if (IsInSelectedCtrlPnts(_pickedPoints, i) && i != pointsCount - 1)
-        {
-            ControlPoint ctrlctrlPntFront = _curve->getControlPoint(i);
-            ctrlctrlPntFront.mode = eBezierSpline;
-            ctrlctrlPntFront.splineData.outLen = 1.0;
-            ctrlctrlPntFront.splineData.outTan = 0;
-            _curve->setControlPoint(i, ctrlctrlPntFront);
-
-            ControlPoint ctrlPntBehiand = _curve->getControlPoint(i + 1);
-            ctrlPntBehiand.mode = eBezierSpline;
-            ctrlPntBehiand.splineData.inLen = 1.0;
-            ctrlPntBehiand.splineData.inTan = 0.0;
-            _curve->setControlPoint(i + 1, ctrlPntBehiand);
-
-            emit _holder->CurveAttributeChanged(_attribute);
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::setEaseInTangent()
-{
-    size_t pointsCount = _curve->getControlPointCount();
-    for (int i = 0; i < pointsCount; i++)
-    {
-        if (IsInSelectedCtrlPnts(_pickedPoints, i) && i != pointsCount - 1)
-        {
-            ControlPoint ctrlctrlPntFront = _curve->getControlPoint(i);
-            ctrlctrlPntFront.mode = eBezierSpline;
-            ctrlctrlPntFront.splineData.outLen = 0.0;
-            ctrlctrlPntFront.splineData.outTan = 0;
-            _curve->setControlPoint(i, ctrlctrlPntFront);
-
-            ControlPoint ctrlPntBehiand = _curve->getControlPoint(i + 1);
-            ctrlPntBehiand.mode = eBezierSpline;
-            ctrlPntBehiand.splineData.inLen = 1.0;
-            ctrlPntBehiand.splineData.inTan = 0;
-            _curve->setControlPoint(i + 1, ctrlPntBehiand);
-
-            emit _holder->CurveAttributeChanged(_attribute);
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::setEaseOutTangent()
-{
-    size_t pointsCount = _curve->getControlPointCount();
-    for (int i = 0; i < pointsCount; i++)
-    {
-        if (IsInSelectedCtrlPnts(_pickedPoints, i) && i != pointsCount - 1)
-        {
-            ControlPoint ctrlctrlPntFront = _curve->getControlPoint(i);
-            ctrlctrlPntFront.mode = eBezierSpline;
-            ctrlctrlPntFront.splineData.outLen = 1.0;
-            ctrlctrlPntFront.splineData.outTan = 0;
-            _curve->setControlPoint(i, ctrlctrlPntFront);
-
-            ControlPoint ctrlPntBehiand = _curve->getControlPoint(i + 1);
-            ctrlPntBehiand.mode = eBezierSpline;
-            ctrlPntBehiand.splineData.inLen = 0.0;
-            ctrlPntBehiand.splineData.inTan = 0;
-            _curve->setControlPoint(i + 1, ctrlPntBehiand);
-
-            emit _holder->CurveAttributeChanged(_attribute);
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-int CurveEntity::getControlPointCount()
-{
-    return _curve->getControlPointCount();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QRectF CurveEntity::getBoundingBox()
-{
-    return QRectF(_curve->getMinValue(), _curve->getMaxValue());
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::mousePressEvent( QMouseEvent* e, bool& pickedPoint)
-{
-    if (!(e->modifiers() & Qt::ControlModifier))
-    {
-        _pickedPoints.clear();
-    }
-
-    std::vector<QPointF> points;
-    _makePoints(points);
-    QPoint mousePos = e->pos();
-    _lastMousePosScreen = mousePos;
-
-    _pickedPoint = FindSelectedCtrlPnt(points, mousePos);
-    if (-1 != _pickedPoint)
-    {
-        if (_holder->_canRemoveCtrlPntByClick && _attribute->canAddRemoveControlPoint())
-        {
-            _curve->removeControlPoint(_pickedPoint);
-            _pickedPoint = -1;
-            return;
-        }
-        pickedPoint = true;
-    }
-    else 
-    {
-        if (_holder->_canAddCtrlPntByClick)
-        {
-            _addCtrlPntByClick(mousePos);
-        }
-        return ;
-    }
-
-    std::vector<int>::iterator itr = _pickedPoints.begin();
-    for (; itr != _pickedPoints.end(); ++itr)
-    {
-        if (*itr == _pickedPoint)
-            break;
-        else if (*itr > _pickedPoint)
-        {
-            itr = _pickedPoints.insert(itr, _pickedPoint);
-            break;
-        }
-    }
-
-    if (itr == _pickedPoints.end())
-    {
-        _pickedPoints.insert(itr, _pickedPoint);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::mouseReleaseEvent( QMouseEvent* e )
-{
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::mouseMoveEvent( QMouseEvent* e )
-{
-    Qt::MouseButton buttons = e->button();
-
-    {
-        //if (_pickedPoint >= 0)
-        QPointF mousePosScreen = e->pos();
-        QPointF deltaPosScreen = mousePosScreen - _lastMousePosScreen;
-        QPointF destinationPosScreen = mousePosScreen;
-        _lastMousePosScreen = mousePosScreen;
-        std::vector<int>::iterator itr = _pickedPoints.begin();
-        for (; itr != _pickedPoints.end(); ++itr)
-        {
-            int pickedPoint = *itr;
-            ControlPoint pickedCtrlPnt = _curve->getControlPoint(pickedPoint);
-            QPointF ctrlPntLastScreenPos = _holder->_valueToScreen(pickedCtrlPnt.value);
-
-            destinationPosScreen = ctrlPntLastScreenPos + deltaPosScreen;
-            destinationPosScreen = _holder->_getSnapSreenPos(destinationPosScreen);
-
-            if (!_attribute->canMoveControlPointHorizontally())
-                destinationPosScreen.setX(ctrlPntLastScreenPos.x());
-            else
-            {
-                // make sure this picked control point not move accross other control point
-                if (pickedPoint == 0)
-                {
-                    QPointF nextCtrlPntScreenPos = _holder->_valueToScreen(_curve->getControlPoint(pickedPoint + 1).value);
-                    if (destinationPosScreen.x() > (nextCtrlPntScreenPos.x() - CROSS_THRESHOLD))
-                        destinationPosScreen.setX(nextCtrlPntScreenPos.x() - CROSS_THRESHOLD);
-                }
-                else if (pickedPoint == (_curve->getControlPointCount() - 1) )
-                {
-                    QPointF fomerCtrlPntScreenPos = _holder->_valueToScreen(_curve->getControlPoint(pickedPoint - 1).value);
-                    if (destinationPosScreen.x() < (fomerCtrlPntScreenPos.x() + CROSS_THRESHOLD))
-                        destinationPosScreen.setX(fomerCtrlPntScreenPos.x() + CROSS_THRESHOLD);
-                }
-                else
-                {
-                    QPointF fomerCtrlPntScreenPos = _holder->_valueToScreen(_curve->getControlPoint(pickedPoint - 1).value);
-                    QPointF nextCtrlPntScreenPos = _holder->_valueToScreen(_curve->getControlPoint(pickedPoint + 1).value);
-                    if (destinationPosScreen.x() < (fomerCtrlPntScreenPos.x() + CROSS_THRESHOLD))
-                        destinationPosScreen.setX(fomerCtrlPntScreenPos.x() + CROSS_THRESHOLD);
-                    if (destinationPosScreen.x() > (nextCtrlPntScreenPos.x() - CROSS_THRESHOLD))
-                        destinationPosScreen.setX(nextCtrlPntScreenPos.x() - CROSS_THRESHOLD);
-                }
-            }
-
-            QPointF p = _holder->_screenToValue(destinationPosScreen);
-
-            QPointF min = _curve->getMinValue();
-            QPointF max = _curve->getMaxValue();
-
-            //make control point move in value range
-            {
-                if (p.x() < min.x())
-                    p.setX(min.x());
-                else if (p.x() > max.x())
-                    p.setX(max.x());
-
-                if (p.y() < min.y())
-                    p.setY(min.y());
-                else if (p.y() > max.y())
-                    p.setY(max.y());
-            }
-
-            pickedCtrlPnt.value = p;
-            _curve->setControlPoint(pickedPoint, pickedCtrlPnt);
-            emit _holder->PickedControlPointValueChanged(p);
-            
-            emit _holder->CurveAttributeChanged(_attribute);
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::draw(QPainter &painter)
-{
-    std::vector<QPointF> points;
-    _makePoints(points);
-
-    _drawCurve(painter);
-
-    _drawPoints(points, painter, _pickedPoints);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::_drawCurve(QPainter &painter)
-{
-    painter.save();
-
-    {
-        QPen pen( Qt::black );
-        pen.setColor(_color);
-        pen.setWidth(CURVE_WIDTH);
-        pen.setStyle(Qt::SolidLine);
-
-        painter.setPen(pen);
-        painter.setRenderHint(QPainter::Antialiasing, false);
-    }
-
-    QPainterPath path;
-
-    std::vector<QPointF> samplePoints = _curve->getSamplePoints();
-    path.moveTo(_holder->_valueToScreen(samplePoints[0]));
-
-    for (size_t i = 0; i < samplePoints.size(); ++i)
-    {
-        path.lineTo(_holder->_valueToScreen(samplePoints[i]));
-    }
-    painter.drawPath(path);
-
-    painter.restore();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::_makePoints(std::vector<QPointF>& points)
-{
-    size_t ctrlPntsCount = _curve->getControlPointCount();
-    for (int i = 0; i < ctrlPntsCount; i++)
-        points.push_back( _holder->_valueToScreen(_curve->getControlPoint(i).value) );
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::_drawPoints(const std::vector<QPointF>& points, QPainter &painter, const std::vector<int>& pickedPoints)
-{
-    {
-        QPen pen( Qt::black );
-        pen.setColor(QColor(255,255,255));
-        pen.setWidth(6);
-        pen.setStyle(Qt::SolidLine);
-
-        painter.setPen(pen);
-        painter.setRenderHint(QPainter::Antialiasing, false);
-    }
-
-    for (int i = 0; i < points.size(); i++)
-    {
-        QPen pen( Qt::black );
-        pen.setWidth(CTRL_PNT_ICON_SIZE);
-        pen.setStyle(Qt::SolidLine);
-
-        if (IsInSelectedCtrlPnts(pickedPoints,i))
-            pen.setColor(QColor(255,0,0));
-        else
-            pen.setColor(QColor(255,255,255));
-
-        painter.setPen(pen);
-        painter.drawPoint( points[i] );
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveEntity::_addCtrlPntByClick(const QPointF& mouseScreenPos)
-{
-    if (!_attribute->canAddRemoveControlPoint())
-        return ;
-
-    QPointF pos= _holder->_screenToValue(mouseScreenPos);
-
-    QPointF pntOnCurve = _curve->getPointByX(pos.x());
-    QPointF pntOnCurveScreen = _holder->_valueToScreen(pntOnCurve);
-
-    if ( IsSamePoint(mouseScreenPos, pntOnCurveScreen, CLICK_ON_CURVE_THRESHOLD) )
-    {
-        _pickedPoint = _curve->appendControlPoint(pntOnCurve.x());
-        _holder->update();
-    }
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-bool CurveEntity::_canRemoveCtrlPntByRightClick(const QPointF& mouseScreenPos)
-{
-    std::vector<QPointF> points;
-    _makePoints(points);
-
-    _ctrlPntToRemove = FindSelectedCtrlPnt(points, mouseScreenPos);
-
-    if ( !_attribute->canAddRemoveControlPoint()
-        || (-1 == _ctrlPntToRemove)
-        || 2 == _curve->_controlPoints.size() && -1 != _ctrlPntToRemove)
-    {
-        return false;
-    }
-    else
-        return true;
-}
-
-void CurveEntity::_removeCtrlPntByRightClick()
-{
-    if (-1 != _ctrlPntToRemove && _attribute->canAddRemoveControlPoint())
-    {
-        _curve->removeControlPoint(_ctrlPntToRemove);
-    }
-    _ctrlPntToRemove = -1;
-    _pickedPoint = -1;
-    _pickedPoints.clear();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-CurveWidget::CurveWidget(QWidget* parent)
-    : QFrame(parent)
-    , _parent(parent)
-    , _moveCrossOtherCtrlPnt(false)
-    , _moveCtrlPnt(false)
-    , _pan(false)
-    , _snapHorizontal(false)
-    , _snapVertical(false)
-    , _canAddCtrlPntByClick(false)
-    , _canRemoveCtrlPntByClick(false)
-    , _curveFitWindowScale(1.0, 1.0)
-    , _curveFitWindowOffset(0.0, 0.0)
-    , _curveScaleLevel(1.0, 1.0)
-    , _contextMenu(nullptr)
-    , _removeCtrlPntAction(nullptr)
-{
-    setFocusPolicy(Qt::ClickFocus );
-    //QString focusStyle = QString("QFrame:focus { border:1px solid #FF0000; }");
-    //setStyleSheet(focusStyle);
-
-    setContextMenuPolicy(Qt::CustomContextMenu);
-    connect(this, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(onShowContextMenu(const QPoint&)));
-
-    _contextMenu = new QMenu(this);;
-    _removeCtrlPntAction = new QAction(this);
-    _removeCtrlPntAction->setText(tr("Remove Control Point"));
-    _contextMenu->addAction(_removeCtrlPntAction);
-
-    connect(_removeCtrlPntAction, SIGNAL(triggered()), this, SLOT(onRemoveControlPoint()) );
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::onShowContextMenu(const QPoint& pos)
-{
-    bool enableRemoveCtrlPntAction = false;
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        if (curveEntity._canRemoveCtrlPntByRightClick(pos))
-            enableRemoveCtrlPntAction = true;
-    }
-
-    _removeCtrlPntAction->setEnabled(enableRemoveCtrlPntAction);
-    _contextMenu->exec(QCursor::pos());
-}
-
-void CurveWidget::onRemoveControlPoint()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity._removeCtrlPntByRightClick();
-    }
-
-    std::vector<CurveEntity*> pickedCurves;
-    emit PickedControlPointChanged(pickedCurves);
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::paintEvent(QPaintEvent * e)
-{
-    QFrame::paintEvent(e);
-
-    QPainter painter(this);
-    painter.setRenderHints(QPainter::Antialiasing, true);
-
-    _drawGrid(painter);
-
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.draw(painter);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::resizeEvent(QResizeEvent* e)
-{
-    _updateCurveFitWindowPara();
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::mousePressEvent( QMouseEvent* e )
-{
-    if (e->buttons() == Qt::MiddleButton)
-    {
-        setCursor(Qt::OpenHandCursor);
-        _mousePressScreenPos = QPointF(e->pos().x(), e->pos().y());
-        _pan = true;
-    }
-    else
-    {
-        std::vector<CurveEntity*> pickedCurves;
-        size_t curveCount = _curves.size();
-        for (size_t i = 0; i < curveCount; ++i)
-        {
-            CurveEntity& curveEntity = _curves[i];
-            curveEntity.mousePressEvent(e, _moveCtrlPnt);
-            if (curveEntity.getPickedControlPointIndexes().size() > 0)
-                pickedCurves.push_back(&curveEntity);
-        }
-
-        emit PickedControlPointChanged(pickedCurves);
-
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::mouseReleaseEvent( QMouseEvent* e )
-{
-    if (_moveCtrlPnt)
-    {
-        size_t curveCount = _curves.size();
-        for (size_t i = 0; i < curveCount; ++i)
-        {
-            CurveEntity& curveEntity = _curves[i];
-            curveEntity.mouseReleaseEvent(e);
-        }
-    }
-    else if (_pan)
-    {
-        setCursor(Qt::ArrowCursor);
-        _curOrinScreenPos = _lastOrinScreenPos + (QPointF(e->pos().x() - _mousePressScreenPos.x(), _mousePressScreenPos.y() - e->pos().y()));
-        _lastOrinScreenPos = _curOrinScreenPos;
-        _updateCurveFitWindowPara();
-        
-    }
-
-    _moveCtrlPnt = false;
-    _pan = false;
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::mouseMoveEvent( QMouseEvent* e )
-{
-    if (_moveCtrlPnt)
-    {
-        size_t curveCount = _curves.size();
-        for (size_t i = 0; i < curveCount; ++i)
-        {
-            CurveEntity& curveEntity = _curves[i];
-            curveEntity.mouseMoveEvent(e);
-        }
-    }
-    else if (e->buttons() & Qt::MiddleButton)
-    {
-        _curOrinScreenPos = _lastOrinScreenPos + (QPointF(e->pos().x() - _mousePressScreenPos.x(), _mousePressScreenPos.y() - e->pos().y()));
-        _updateCurveFitWindowPara();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::wheelEvent(QWheelEvent *e)
-{
-    int numDegrees = e->delta() / 8;
-
-    float zoom = 1.0 + numDegrees / 360.0f;
-    _curveScaleLevel.setX(_curveScaleLevel.x() * zoom);
-    _curveScaleLevel.setY(_curveScaleLevel.y() * zoom);
-
-    _updateCurveFitWindowPara();
-    update();
-    e->accept();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::keyPressEvent(QKeyEvent *e)
-{
-    bool move = false;
-    switch(e->key())
-    {
-    case Qt::Key_Left:
-        _curOrinScreenPos = _lastOrinScreenPos + QPointF(-1.0f, 0.0f);
-        _lastOrinScreenPos = _curOrinScreenPos;
-        move = true;
-        break;
-    case Qt::Key_Up:
-        _curOrinScreenPos = _lastOrinScreenPos + QPointF(0.0f, 1.0f);
-        _lastOrinScreenPos = _curOrinScreenPos;
-        move = true;
-        break;
-    case Qt::Key_Right:
-        _curOrinScreenPos = _lastOrinScreenPos + QPointF(1.0f, 0.0f);
-        _lastOrinScreenPos = _curOrinScreenPos;
-        move = true;
-        break;
-    case Qt::Key_Down:
-        _curOrinScreenPos = _lastOrinScreenPos + QPointF(0.0f, -1.0f);
-        _lastOrinScreenPos = _curOrinScreenPos;
-        move = true;
-        break;
-    }
-
-    if (move)
-    {
-        _updateCurveFitWindowPara();
-        update();
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setLocation(float location)
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.setLocation(location);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setValue(float value)
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.setValue(value);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setCurveAttributes(std::vector<CurveAttributeBase*> attributes)
-{
-    _curves.clear();
-
-    for (std::vector<CurveAttributeBase*>::iterator itr = attributes.begin(); itr != attributes.end(); ++itr)
-    {
-        CurveAttributeBase* attribute = *itr;
-        if (attribute->getType() == eSingleAttr)
-        {
-            CurveAttribute* attributeSpecific = static_cast<CurveAttribute*>(attribute);
-
-            CurveEntity curveEntity(this, attributeSpecific, attributeSpecific->color);
-            _curves.push_back(curveEntity);
-        }
-        else if (attribute->getType() == eGroupAttr)
-        {
-            CurveAttributeGroup* attributeGroup = static_cast<CurveAttributeGroup*>(attribute);
-            size_t countAttributesInGroup = attributeGroup->attributes.size();
-            for (size_t i = 0; i < countAttributesInGroup; ++i)
-            {
-                CurveAttribute* attributeInGroup = attributeGroup->attributes[i];
-
-                CurveEntity curveEntity(this, attributeInGroup, attributeInGroup->color);
-                _curves.push_back(curveEntity);
-            }
-        }
-    }
-
-    _updateCurveFitWindowPara();
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::reset()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity._attribute->curve.reset();
-        emit CurveAttributeChanged(curveEntity._attribute);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::addControlPointsBeforeSelected()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.addControlPointsBeforeSelected();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::addControlPointsAfterSelected()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.addControlPointsAfterSelected();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::removeSelectedControlPoints()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.removeSelectedControlPoints();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setTangentType(InterpolateMode mode)
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.setTangentType(mode);
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setSmoothTangent()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.setSmoothTangent();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setEaseInTangent()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.setEaseInTangent();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::setEaseOutTangent()
-{
-    size_t curveCount = _curves.size();
-    for (size_t i = 0; i < curveCount; ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-        curveEntity.setEaseOutTangent();
-    }
-
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::increaseCurveScaleHorizontally()
-{
-    _curveScaleLevel.setX(_curveScaleLevel.x() * 2);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::decreaseCurveScaleHorizontally()
-{
-    _curveScaleLevel.setX(_curveScaleLevel.x() / 2);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::increaseCurveScaleVertically()
-{
-    _curveScaleLevel.setY(_curveScaleLevel.y() * 2);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::decreaseCurveScaleVertically()
-{
-    _curveScaleLevel.setY(_curveScaleLevel.y() / 2);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::frameCurveScaleHorizontally()
-{
-    _curveScaleLevel.setX(1.0f);
-    _curOrinScreenPos.setX(0);
-    _lastOrinScreenPos.setX(0);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::frameCurveScaleVertically()
-{
-    _curveScaleLevel.setY(1.0f);
-    _curOrinScreenPos.setY(0);
-    _lastOrinScreenPos.setY(0);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::frameCurveScale()
-{
-    _curveScaleLevel.setX(1.0f);
-    _curveScaleLevel.setY(1.0f);
-    _curOrinScreenPos = QPointF(0,0);
-    _lastOrinScreenPos = QPointF(0,0);
-    _updateCurveFitWindowPara();
-    update();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::_updateCurveFitWindowPara()
-{
-    QRect winSize = rect();
-
-    float minX = 0;
-    float minY = 0;
-    float maxX = 0;
-    float maxY = 0;
-
-    for (size_t i = 0; i < _curves.size(); ++i)
-    {
-        CurveEntity& curveEntity = _curves[i];
-
-        QRectF boundingBox = curveEntity.getBoundingBox();
-
-        if (minX > boundingBox.x())
-            minX = boundingBox.x();
-
-        if (minY > boundingBox.y())
-            minY = boundingBox.y();
-
-        if (maxX < boundingBox.right())
-            maxX = boundingBox.right();
-
-        if (maxY < boundingBox.bottom())
-            maxY = boundingBox.bottom();
-    }
-
-    float curveWidth = maxX - minX;
-    float curveHeight = maxY - minY;
-
-    if (0 == curveWidth && 0 == curveHeight)
-    {
-        curveWidth = 1.0;
-        curveHeight = 1.0;
-    }
-    else if (0 == curveWidth)
-    {
-        curveWidth = curveHeight;
-    }
-    else if (0 == curveHeight)
-    {
-        curveHeight = curveWidth;
-    }
-
-    float widthScale = (winSize.width() - MARGIN_X * 2.0f) / curveWidth;
-    float heightScale = (MARGIN_Y * 2.0f - winSize.height()) / curveHeight;
-    _curveFitWindowScale = QPointF(widthScale, heightScale);
-
-    float widthOffset = MARGIN_X + _curOrinScreenPos.x() - minX * widthScale * _curveScaleLevel.x();
-    float heightOffset = (winSize.height() - MARGIN_Y - _curOrinScreenPos.y())- minY * heightScale * _curveScaleLevel.y();
-    _curveFitWindowOffset = QPointF(widthOffset, heightOffset);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF CurveWidget::_valueToScreen(const QPointF& pnt)
-{
-    QPointF curveScale = QPointF(_curveFitWindowScale.x() * _curveScaleLevel.x(), _curveFitWindowScale.y() * _curveScaleLevel.y());
-
-    float x = pnt.x() * curveScale.x() + _curveFitWindowOffset.x();
-    float y = pnt.y() * curveScale.y() + _curveFitWindowOffset.y();
-    return QPointF(x, y);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF CurveWidget::_screenToValue(const QPointF& pnt)
-{
-    QPointF curveScale = QPointF(_curveFitWindowScale.x() * _curveScaleLevel.x(), _curveFitWindowScale.y() * _curveScaleLevel.y());
-
-    float x = (pnt.x() - _curveFitWindowOffset.x()) / curveScale.x();
-    float y = (pnt.y() - _curveFitWindowOffset.y()) / curveScale.y();
-
-    return QPointF(x, y);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::_drawAxis(QPainter &painter)
-{
-    painter.save();
-    {
-        QPen pen( Qt::black );
-        pen.setColor(GRID_COLOR);
-        pen.setWidth(2);
-        pen.setStyle(Qt::SolidLine);
-
-        painter.setPen(pen);
-        painter.setRenderHint(QPainter::Antialiasing, false);
-    }
-
-    {
-        int w = width() -  MARGIN_X * 2;
-        int h = height() -  MARGIN_Y * 2;
-
-        QPainterPath path;
-
-        QPointF x = _dragedCoordinateToScreen(QPointF(w, 0));
-        QPointF y = _dragedCoordinateToScreen(QPointF(0, h));
-
-        path.moveTo(_dragedCoordinateToScreen(QPointF(0, 0)));
-        path.lineTo(x);
-        path.moveTo(_dragedCoordinateToScreen(QPointF(0, 0)));
-        path.lineTo(y);
-
-        painter.drawPath(path);
-    }
-
-    painter.restore();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-void CurveWidget::_drawGrid(QPainter &painter)
-{
-    painter.save();
-    {
-        QPen pen( Qt::black );
-        pen.setColor(GRID_COLOR);
-        pen.setWidth(1);
-        pen.setStyle(Qt::SolidLine);
-
-        painter.setPen(pen);
-        painter.setRenderHint(QPainter::Antialiasing, false);
-    }
-
-    {
-        QPainterPath path;
-
-        int w = width() -  MARGIN_X * 2;
-        int h = height() -  MARGIN_Y * 2;
-
-        QPointF newOri = _dragedCoordinateToScreen(_curOrinScreenPos);
-
-        float width = w;
-        float height = h;
-        int gridXSegmentCount = GRID_INTIAL_SEGMENT_COUNT / _curveScaleLevel.x();
-        int gridYSegmentCount = GRID_INTIAL_SEGMENT_COUNT / _curveScaleLevel.y();
-
-        if (_curveScaleLevel.x() > 1)
-        {
-            width = w * _curveScaleLevel.x();
-            gridXSegmentCount *= _curveScaleLevel.x();
-        }
-
-        if (_curveScaleLevel.y() > 1)
-        {
-            height = h * _curveScaleLevel.y();
-            gridYSegmentCount *= _curveScaleLevel.y();
-        }
-
-        // draw horizontal lines
-        for (int i = 0 - gridXSegmentCount; i <= gridXSegmentCount * 2; ++i)
-        {
-            QPointF bottom    = _dragedCoordinateToScreen(QPointF(width * i / (float)gridXSegmentCount, -height));
-            QPointF up        = _dragedCoordinateToScreen(QPointF(width * i / (float)gridXSegmentCount, height * 2));
-            path.moveTo(bottom);
-            path.lineTo(up);
-
-            painter.drawPath(path);
-        }
-
-        // draw vertical lines
-        for (int i = 0 - gridYSegmentCount; i <= gridYSegmentCount * 2; ++i)
-        {
-            QPointF left    = _dragedCoordinateToScreen(QPointF(-width, i * height / (float)gridYSegmentCount));
-            QPointF right        = _dragedCoordinateToScreen(QPointF(2 * width, i * height / (float)gridYSegmentCount));
-            path.moveTo(left);
-            path.lineTo(right);
-
-            painter.drawPath(path);
-        }
-
-    }
-    painter.restore();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF CurveWidget::_getSnapSreenPos(const QPointF& mouseScreenPos)
-{
-    int w = width() -  MARGIN_X * 2;
-    int h = height() -  MARGIN_Y * 2;
-
-    QPointF pos = _screenToDragedCoordinate(mouseScreenPos);
-
-    // snap horizontally
-    if (_snapHorizontal)
-    {
-        int gridXSegmentCount = GRID_INTIAL_SEGMENT_COUNT / _curveScaleLevel.x();
-        if (gridXSegmentCount < 2)
-            gridXSegmentCount = 2;
-        for (int i = 0; i <= gridXSegmentCount; ++i)
-        {
-            if (abs(i * w / gridXSegmentCount - pos.x()) <= SNAP_DISTANCE )
-            {
-                pos.setX(i * w / gridXSegmentCount);
-                break;
-            }
-        }
-    }
-
-    // snap vertically
-    if (_snapVertical)
-    {
-        int gridYSegmentCount = GRID_INTIAL_SEGMENT_COUNT / _curveScaleLevel.y();
-        if (gridYSegmentCount < 2)
-            gridYSegmentCount = 2;
-        for (int i = 0; i <= gridYSegmentCount; ++i)
-        {
-            if (abs(i * h / gridYSegmentCount - pos.y()) <= SNAP_DISTANCE)
-            {
-                pos.setY(i * h / gridYSegmentCount);
-            }
-        }
-    }
-
-    return _dragedCoordinateToScreen(pos);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF CurveWidget::_dragedCoordinateToScreen(const QPointF& pnt)
-{
-    float x = pnt.x() + MARGIN_X + _curOrinScreenPos.x();
-    float y = height() -  MARGIN_Y - pnt.y() - _curOrinScreenPos.y();
-    return QPointF(x, y);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-QPointF CurveWidget::_screenToDragedCoordinate(const QPointF& pnt)
-{
-    float x = pnt.x() - MARGIN_X - _curOrinScreenPos.x();
-    float y = height() -  MARGIN_Y - pnt.y() - _curOrinScreenPos.y();
-    return QPointF(x, y); 
-}
-
-} // namespace CurveEditor
-} // namespace nvidia
\ No newline at end of file
diff --git a/tools/CurveEditor/source/Internal/Window/CurveWidget.h b/tools/CurveEditor/source/Internal/Window/CurveWidget.h
deleted file mode 100644
index 04c38d0..0000000
--- a/tools/CurveEditor/source/Internal/Window/CurveWidget.h
+++ /dev/null
@@ -1,158 +0,0 @@
-#ifndef CurveWidget_h__
-#define CurveWidget_h__
-
-#include <QtWidgets/QWidget>
-#include <QtWidgets/QFrame>
-#include <QtWidgets/QLabel>
-#include <QtWidgets/QMenu>
-#include <QtWidgets/QAction>
-#include <vector>
-#include "Curve.h"
-
-namespace nvidia {
-namespace CurveEditor {
-
-class CurveAttributeBase;
-class CurveAttribute;
-class CurveWidget;
-
-class CurveEntity
-{
-    friend class CurveWidget;
-    friend class CurveEditorMainWindow;
-public:
-    CurveEntity(CurveWidget* holder, CurveAttribute* attribute, const QColor& color);
-
-    void setLocation(float location);
-    void setValue(float value);
-
-    void addControlPointsBeforeSelected();
-    void addControlPointsAfterSelected();
-    void removeSelectedControlPoints();
-    void setTangentType(InterpolateMode mode);
-    void setSmoothTangent();
-    void setEaseInTangent();
-    void setEaseOutTangent();
-
-    int getControlPointCount();
-    int getPickedControlPointIndex()                { return _pickedPoint; }
-    std::vector<int>& getPickedControlPointIndexes()     { return _pickedPoints; }
-
-    QRectF getBoundingBox();
-
-    void mousePressEvent(QMouseEvent* e, bool& pickedPoint);
-    void mouseReleaseEvent(QMouseEvent* e);
-    void mouseMoveEvent(QMouseEvent* e);
-
-    void draw(QPainter &painter);
-
-private:
-    void _drawCurve(QPainter &painter);
-    void _makePoints(std::vector<QPointF>& points);
-    void _drawPoints(const std::vector<QPointF>& points, QPainter &painter, const std::vector<int>& pickedPoints);
-    void _addCtrlPntByClick(const QPointF& mouseScreenPos);
-    bool _canRemoveCtrlPntByRightClick(const QPointF& mouseScreenPos);
-    void _removeCtrlPntByRightClick();
-
-    CurveWidget*        _holder;
-    CurveAttribute*     _attribute;
-    Curve*              _curve;
-    QColor              _color;
-    int                 _pickedPoint;
-    std::vector<int>    _pickedPoints;
-    QPointF             _lastMousePosScreen;
-    int                 _ctrlPntToRemove;
-};
-
-class CurveWidget : public QFrame
-{
-    Q_OBJECT
-
-    friend class CurveEntity;
-
-public:
-    explicit CurveWidget(QWidget* parent);
-
-    void setLocation(float location);
-    void setValue(float value);
-
-    void setCurveAttributes(std::vector<CurveAttributeBase*> attributes);
-    void reset();
-
-    void addControlPointsBeforeSelected();
-    void addControlPointsAfterSelected();
-    void removeSelectedControlPoints();
-    void setTangentType(InterpolateMode mode);
-    void setSmoothTangent();
-    void setEaseInTangent();
-    void setEaseOutTangent();
-
-    void setSnapAll()   { _snapHorizontal = true; _snapVertical = true; }
-    void setSnapHorizontal()   { _snapHorizontal = true; _snapVertical = false; }
-    void setSnapVertical()   { _snapHorizontal = false; _snapVertical = true; }
-
-    void increaseCurveScaleHorizontally();
-    void decreaseCurveScaleHorizontally();
-    void increaseCurveScaleVertically();
-    void decreaseCurveScaleVertically();
-    void frameCurveScaleHorizontally();
-    void frameCurveScaleVertically();
-    void frameCurveScale();
-
-    void setAddCtrlPntByClick(bool value)       { _canAddCtrlPntByClick = value; }
-    void setRemoveCtrlPntByClick(bool value)    { _canRemoveCtrlPntByClick = value; }
-
-signals:
-    void PickedControlPointValueChanged(QPointF& value);
-    void PickedControlPointChanged(const std::vector<CurveEntity*> pickedCurves);
-    void CurveAttributeChanged(nvidia::CurveEditor::CurveAttribute* attribute);
-
-private slots:
-    void onShowContextMenu(const QPoint& pos);
-    void onRemoveControlPoint();
-
-private:
-    // QWidget events
-    virtual void paintEvent(QPaintEvent * e);
-    virtual void resizeEvent(QResizeEvent* e);
-
-    virtual void mousePressEvent(QMouseEvent* e);
-    virtual void mouseReleaseEvent(QMouseEvent* e);
-    virtual void mouseMoveEvent(QMouseEvent* e);
-    virtual void wheelEvent(QWheelEvent *e);
-    virtual void keyPressEvent(QKeyEvent *e);
-
-    void _updateCurveFitWindowPara();
-    QPointF _valueToScreen(const QPointF& pnt);
-    QPointF _screenToValue(const QPointF& pnt);
-    void _drawAxis(QPainter &painter);
-    void _drawGrid(QPainter &painter);
-    QPointF _getSnapSreenPos(const QPointF& mouseScreenPos);
-    QPointF _dragedCoordinateToScreen(const QPointF& pnt);
-    QPointF _screenToDragedCoordinate(const QPointF& pnt);
-
-private:
-    QWidget*                    _parent;
-    bool                        _moveCrossOtherCtrlPnt;// whether can move control point across other control points
-    bool                        _moveCtrlPnt;
-    bool                        _pan;
-    bool                        _snapHorizontal;
-    bool                        _snapVertical;
-    bool                        _canAddCtrlPntByClick;
-    bool                        _canRemoveCtrlPntByClick;
-    std::vector<CurveEntity>    _curves;
-    QPointF                     _curveFitWindowScale;
-    QPointF                     _curveFitWindowOffset;
-    QPointF                     _curveScaleLevel;
-    QPointF                     _mousePressScreenPos;
-    QPointF                     _lastOrinScreenPos;
-    QPointF                     _curOrinScreenPos;
-
-    QMenu*                      _contextMenu;
-    QAction*                    _removeCtrlPntAction;
-};
-
-} // namespace CurveEditor
-} // namespace nvidia
-
-#endif // CurveWidget_h__