93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef PROCEDURALTEXTUREPANEL_H
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#define PROCEDURALTEXTUREPANEL_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "materialsystem/itexture.h"
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#include "materialsystem/MaterialSystemUtil.h"
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#include "vgui_controls/EditablePanel.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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struct BGRA8888_t;
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//-----------------------------------------------------------------------------
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//
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// Procedural texture image panel
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//
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//-----------------------------------------------------------------------------
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class CProceduralTexturePanel : public vgui::EditablePanel, public ITextureRegenerator
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{
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DECLARE_CLASS_SIMPLE( CProceduralTexturePanel, vgui::EditablePanel );
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public:
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// constructor
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CProceduralTexturePanel( vgui::Panel *pParent, const char *pName );
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~CProceduralTexturePanel();
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// Methods of ITextureRegenerator
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virtual void Release() {}
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virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect );
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// initialization, shutdown
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virtual bool Init( int nWidth, int nHeight, bool bAllocateImageBuffer );
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virtual void Shutdown();
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// Returns the image buffer + dimensions
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BGRA8888_t *GetImageBuffer();
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int GetImageWidth() const;
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int GetImageHeight() const;
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// Redownloads the procedural texture
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void DownloadTexture();
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// Sets the rectangle to paint. Use null to fill the entire panel
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void SetPaintRect( const Rect_t *pPaintRect = NULL );
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// Sets the texcoords to use with the procedural texture
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void SetTextureSubRect( const Rect_t &subRect );
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// Maintain proportions when drawing
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void MaintainProportions( bool bEnable );
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virtual void Paint( void );
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virtual void PaintBackground( void ) {}
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private:
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void CleanUp();
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protected:
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// Image buffer
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BGRA8888_t *m_pImageBuffer;
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int m_nWidth;
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int m_nHeight;
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// Paint rectangle
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Rect_t m_PaintRect;
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// Texture coordinate rectangle
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Rect_t m_TextureSubRect;
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CTextureReference m_ProceduralTexture;
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CMaterialReference m_ProceduralMaterial;
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int m_nTextureID;
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bool m_bMaintainProportions;
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bool m_bUsePaintRect;
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};
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#endif // PROCEDURALTEXTUREPANEL_H
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