First version of the SOurce SDK 2013

public/matsys_controls/proceduraltexturepanel.h

@@ -0,0 +1,92 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef PROCEDURALTEXTUREPANEL_H
+#define PROCEDURALTEXTUREPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "materialsystem/itexture.h"
+#include "materialsystem/MaterialSystemUtil.h"
+#include "vgui_controls/EditablePanel.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+struct BGRA8888_t;
+
+
+//-----------------------------------------------------------------------------
+//
+// Procedural texture image panel
+//
+//-----------------------------------------------------------------------------
+class CProceduralTexturePanel : public vgui::EditablePanel, public ITextureRegenerator
+{
+	DECLARE_CLASS_SIMPLE( CProceduralTexturePanel, vgui::EditablePanel );
+
+public:
+	// constructor
+	CProceduralTexturePanel( vgui::Panel *pParent, const char *pName );
+	~CProceduralTexturePanel();
+
+	// Methods of ITextureRegenerator
+	virtual void Release() {}
+	virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect );
+
+	// initialization, shutdown
+	virtual bool Init( int nWidth, int nHeight, bool bAllocateImageBuffer );
+	virtual void Shutdown();
+
+	// Returns the image buffer + dimensions
+	BGRA8888_t *GetImageBuffer();
+	int GetImageWidth() const;
+	int GetImageHeight() const;
+
+	// Redownloads the procedural texture
+	void DownloadTexture();
+
+	// Sets the rectangle to paint. Use null to fill the entire panel
+	void SetPaintRect( const Rect_t *pPaintRect = NULL );
+
+	// Sets the texcoords to use with the procedural texture
+	void SetTextureSubRect( const Rect_t &subRect );
+
+	// Maintain proportions when drawing
+	void MaintainProportions( bool bEnable );
+
+	virtual void Paint( void );
+	virtual void PaintBackground( void ) {}
+
+private:
+	void CleanUp();
+
+protected:
+	// Image buffer
+	BGRA8888_t *m_pImageBuffer;
+	int m_nWidth;
+	int m_nHeight;
+
+	// Paint rectangle
+	Rect_t m_PaintRect;
+
+	// Texture coordinate rectangle
+	Rect_t m_TextureSubRect;
+
+	CTextureReference	m_ProceduralTexture;
+	CMaterialReference	m_ProceduralMaterial;
+
+	int m_nTextureID;
+	bool m_bMaintainProportions;
+	bool m_bUsePaintRect;
+};
+
+
+#endif // PROCEDURALTEXTUREPANEL_H