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| author | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
|---|---|---|
| committer | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
| commit | 3bf9df6b2785fa6d951086978a3e66f49427166a (patch) | |
| tree | 2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /vguimatsurface/Clip2D.h | |
| download | archived-source-engine-2018-hl2-src-master.tar.xz archived-source-engine-2018-hl2-src-master.zip | |
Diffstat (limited to 'vguimatsurface/Clip2D.h')
| -rw-r--r-- | vguimatsurface/Clip2D.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/vguimatsurface/Clip2D.h b/vguimatsurface/Clip2D.h new file mode 100644 index 0000000..b196920 --- /dev/null +++ b/vguimatsurface/Clip2D.h @@ -0,0 +1,46 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: Contains 2D clipping routines +// +// $Revision: $ +// $NoKeywords: $ +//=============================================================================// + +#ifndef CLIP2D_H +#define CLIP2D_H + +namespace vgui +{ + struct Vertex_t; +} + +//----------------------------------------------------------------------------- +// Enable/disable scissoring... +//----------------------------------------------------------------------------- +void EnableScissor( bool enable ); + +//----------------------------------------------------------------------------- +// For simulated scissor tests... +//----------------------------------------------------------------------------- +void SetScissorRect( int left, int top, int right, int bottom ); +void GetScissorRect( int &left, int &top, int &right, int &bottom, bool &enabled ); + +//----------------------------------------------------------------------------- +// Clips a line segment to the current scissor rectangle +//----------------------------------------------------------------------------- +bool ClipLine( const vgui::Vertex_t *pInVerts, vgui::Vertex_t* pOutVerts ); + + +//----------------------------------------------------------------------------- +// Purpose: Does a scissor clip of the input rectangle. +// Returns false if it is completely clipped off. +//----------------------------------------------------------------------------- +bool ClipRect( const vgui::Vertex_t &inUL, const vgui::Vertex_t &inLR, + vgui::Vertex_t *pOutUL, vgui::Vertex_t *pOutLR ); + +//----------------------------------------------------------------------------- +// Clips a polygon to the screen area +//----------------------------------------------------------------------------- +int ClipPolygon( int iCount, vgui::Vertex_t *pVerts, int iTranslateX, int iTranslateY, vgui::Vertex_t ***pppOutVertex ); + +#endif // CLIP2D_H
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