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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/vgui2/vgui_controls/CircularProgressBar.cpp | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/vgui2/vgui_controls/CircularProgressBar.cpp')
| -rw-r--r-- | mp/src/vgui2/vgui_controls/CircularProgressBar.cpp | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/mp/src/vgui2/vgui_controls/CircularProgressBar.cpp b/mp/src/vgui2/vgui_controls/CircularProgressBar.cpp new file mode 100644 index 00000000..47ae6d20 --- /dev/null +++ b/mp/src/vgui2/vgui_controls/CircularProgressBar.cpp @@ -0,0 +1,292 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+
+#include <vgui_controls/CircularProgressBar.h>
+#include <vgui_controls/Controls.h>
+
+#include <vgui/ILocalize.h>
+#include <vgui/IScheme.h>
+#include <vgui/ISurface.h>
+#include <KeyValues.h>
+
+#include "mathlib/mathlib.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+using namespace vgui;
+
+DECLARE_BUILD_FACTORY( CircularProgressBar );
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CircularProgressBar::CircularProgressBar(Panel *parent, const char *panelName) : ProgressBar(parent, panelName)
+{
+ m_iProgressDirection = CircularProgressBar::PROGRESS_CCW;
+
+ for ( int i = 0; i < NUM_PROGRESS_TEXTURES; i++ )
+ {
+ m_nTextureId[i] = -1;
+ m_pszImageName[i] = NULL;
+ m_lenImageName[i] = 0;
+ }
+
+ m_iStartSegment = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+CircularProgressBar::~CircularProgressBar()
+{
+ for ( int i = 0; i < NUM_PROGRESS_TEXTURES; i++ )
+ {
+ if ( vgui::surface() && m_nTextureId[i] )
+ {
+ vgui::surface()->DestroyTextureID( m_nTextureId[i] );
+ m_nTextureId[i] = -1;
+ }
+
+ delete [] m_pszImageName[i];
+ m_lenImageName[i] = 0;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CircularProgressBar::ApplySettings(KeyValues *inResourceData)
+{
+ for ( int i = 0; i < NUM_PROGRESS_TEXTURES; i++ )
+ {
+ delete [] m_pszImageName[i];
+ m_pszImageName[i] = NULL;
+ m_lenImageName[i] = 0;
+ }
+
+ const char *imageName = inResourceData->GetString("fg_image", "");
+ if (*imageName)
+ {
+ SetFgImage( imageName );
+ }
+ imageName = inResourceData->GetString("bg_image", "");
+ if (*imageName)
+ {
+ SetBgImage( imageName );
+ }
+
+ BaseClass::ApplySettings( inResourceData );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CircularProgressBar::ApplySchemeSettings(IScheme *pScheme)
+{
+ BaseClass::ApplySchemeSettings(pScheme);
+
+ SetFgColor(GetSchemeColor("CircularProgressBar.FgColor", pScheme));
+ SetBgColor(GetSchemeColor("CircularProgressBar.BgColor", pScheme));
+ SetBorder(NULL);
+
+ for ( int i = 0; i < NUM_PROGRESS_TEXTURES; i++ )
+ {
+ if ( m_pszImageName[i] && strlen( m_pszImageName[i] ) > 0 )
+ {
+ if ( m_nTextureId[i] == -1 )
+ {
+ m_nTextureId[i] = surface()->CreateNewTextureID();
+ }
+
+ surface()->DrawSetTextureFile( m_nTextureId[i], m_pszImageName[i], true, false);
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: sets an image by file name
+//-----------------------------------------------------------------------------
+void CircularProgressBar::SetImage(const char *imageName, progress_textures_t iPos)
+{
+ const char *pszDir = "vgui/";
+ int len = Q_strlen(imageName) + 1;
+ len += strlen(pszDir);
+
+ if ( m_pszImageName[iPos] && ( m_lenImageName[iPos] < len ) )
+ {
+ // If we already have a buffer, but it is too short, then free the buffer
+ delete [] m_pszImageName[iPos];
+ m_pszImageName[iPos] = NULL;
+ m_lenImageName[iPos] = 0;
+ }
+
+ if ( !m_pszImageName[iPos] )
+ {
+ m_pszImageName[iPos] = new char[ len ];
+ m_lenImageName[iPos] = len;
+ }
+
+ Q_snprintf( m_pszImageName[iPos], len, "%s%s", pszDir, imageName );
+ InvalidateLayout(false, true); // force applyschemesettings to run
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CircularProgressBar::PaintBackground()
+{
+ // If we don't have a Bg image, use the foreground
+ int iTextureID = m_nTextureId[PROGRESS_TEXTURE_BG] != -1 ? m_nTextureId[PROGRESS_TEXTURE_BG] : m_nTextureId[PROGRESS_TEXTURE_FG];
+ vgui::surface()->DrawSetTexture( iTextureID );
+ vgui::surface()->DrawSetColor( GetBgColor() );
+
+ int wide, tall;
+ GetSize(wide, tall);
+
+ vgui::surface()->DrawTexturedRect( 0, 0, wide, tall );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CircularProgressBar::Paint()
+{
+ float flProgress = GetProgress();
+ float flEndAngle;
+
+ if ( m_iProgressDirection == PROGRESS_CW )
+ {
+ flEndAngle = flProgress;
+ }
+ else
+ {
+ flEndAngle = ( 1.0 - flProgress );
+ }
+
+ DrawCircleSegment( GetFgColor(), flEndAngle, ( m_iProgressDirection == PROGRESS_CW ) );
+}
+
+typedef struct
+{
+ float minProgressRadians;
+
+ float vert1x;
+ float vert1y;
+ float vert2x;
+ float vert2y;
+
+ int swipe_dir_x;
+ int swipe_dir_y;
+} circular_progress_segment_t;
+
+namespace vgui
+{
+// This defines the properties of the 8 circle segments
+// in the circular progress bar.
+circular_progress_segment_t Segments[8] =
+{
+ { 0.0, 0.5, 0.0, 1.0, 0.0, 1, 0 },
+ { M_PI * 0.25, 1.0, 0.0, 1.0, 0.5, 0, 1 },
+ { M_PI * 0.5, 1.0, 0.5, 1.0, 1.0, 0, 1 },
+ { M_PI * 0.75, 1.0, 1.0, 0.5, 1.0, -1, 0 },
+ { M_PI, 0.5, 1.0, 0.0, 1.0, -1, 0 },
+ { M_PI * 1.25, 0.0, 1.0, 0.0, 0.5, 0, -1 },
+ { M_PI * 1.5, 0.0, 0.5, 0.0, 0.0, 0, -1 },
+ { M_PI * 1.75, 0.0, 0.0, 0.5, 0.0, 1, 0 },
+};
+
+};
+
+#define SEGMENT_ANGLE ( M_PI / 4 )
+
+// function to draw from A to B degrees, with a direction
+// we draw starting from the top ( 0 progress )
+void CircularProgressBar::DrawCircleSegment( Color c, float flEndProgress, bool bClockwise )
+{
+ if ( m_nTextureId[PROGRESS_TEXTURE_FG] == -1 )
+ return;
+
+ int wide, tall;
+ GetSize(wide, tall);
+
+ float flWide = (float)wide;
+ float flTall = (float)tall;
+
+ float flHalfWide = (float)wide / 2;
+ float flHalfTall = (float)tall / 2;
+
+ vgui::surface()->DrawSetTexture( m_nTextureId[PROGRESS_TEXTURE_FG] );
+ vgui::surface()->DrawSetColor( c );
+
+ // TODO - if we want to progress CCW, reverse a few things
+
+ float flEndProgressRadians = flEndProgress * M_PI * 2;
+
+ int cur_wedge = m_iStartSegment;
+ for ( int i=0;i<8;i++ )
+ {
+ if ( flEndProgressRadians > Segments[cur_wedge].minProgressRadians)
+ {
+ vgui::Vertex_t v[3];
+
+ // vert 0 is ( 0.5, 0.5 )
+ v[0].m_Position.Init( flHalfWide, flHalfTall );
+ v[0].m_TexCoord.Init( 0.5f, 0.5f );
+
+ float flInternalProgress = flEndProgressRadians - Segments[cur_wedge].minProgressRadians;
+
+ if ( flInternalProgress < SEGMENT_ANGLE )
+ {
+ // Calc how much of this slice we should be drawing
+
+ if ( i % 2 == 1 )
+ {
+ flInternalProgress = SEGMENT_ANGLE - flInternalProgress;
+ }
+
+ float flTan = tan(flInternalProgress);
+
+ float flDeltaX, flDeltaY;
+
+ if ( i % 2 == 1 )
+ {
+ flDeltaX = ( flHalfWide - flHalfTall * flTan ) * Segments[i].swipe_dir_x;
+ flDeltaY = ( flHalfTall - flHalfWide * flTan ) * Segments[i].swipe_dir_y;
+ }
+ else
+ {
+ flDeltaX = flHalfTall * flTan * Segments[i].swipe_dir_x;
+ flDeltaY = flHalfWide * flTan * Segments[i].swipe_dir_y;
+ }
+
+ v[2].m_Position.Init( Segments[i].vert1x * flWide + flDeltaX, Segments[i].vert1y * flTall + flDeltaY );
+ v[2].m_TexCoord.Init( Segments[i].vert1x + ( flDeltaX / flHalfWide ) * 0.5, Segments[i].vert1y + ( flDeltaY / flHalfTall ) * 0.5 );
+ }
+ else
+ {
+ // full segment, easy calculation
+ v[2].m_Position.Init( flHalfWide + flWide * ( Segments[i].vert2x - 0.5 ), flHalfTall + flTall * ( Segments[i].vert2y - 0.5 ) );
+ v[2].m_TexCoord.Init( Segments[i].vert2x, Segments[i].vert2y );
+ }
+
+ // vert 2 is ( Segments[i].vert1x, Segments[i].vert1y )
+ v[1].m_Position.Init( flHalfWide + flWide * ( Segments[i].vert1x - 0.5 ), flHalfTall + flTall * ( Segments[i].vert1y - 0.5 ) );
+ v[1].m_TexCoord.Init( Segments[i].vert1x, Segments[i].vert1y );
+
+ vgui::surface()->DrawTexturedPolygon( 3, v );
+ }
+
+ cur_wedge++;
+ if ( cur_wedge >= 8)
+ cur_wedge = 0;
+ }
+}
\ No newline at end of file |