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#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
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