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vguimatsurface/TextureDictionary.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Contains all texture state for the material system surface to use
+//
+// $Revision: $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef TEXTUREDICTIONARY_H
+#define TEXTUREDICTIONARY_H
+
+class IMaterial;
+class ITexture;
+
+enum
+{
+	INVALID_TEXTURE_ID = -1
+};
+
+
+//-----------------------------------------------------------------------------
+// A class that manages textures used by the material system surface
+//-----------------------------------------------------------------------------
+class ITextureDictionary
+{
+public:
+	// Create, destroy textures
+	virtual int	CreateTexture( bool procedural = false ) = 0;
+	virtual int CreateTextureByTexture( ITexture *pTexture, bool procedural = true ) = 0;
+	virtual void DestroyTexture( int id ) = 0;
+	virtual void DestroyAllTextures() = 0;
+
+	// Is this a valid id?
+	virtual bool IsValidId( int id ) const = 0;
+
+	// Binds a material to a texture
+	virtual void BindTextureToFile( int id, const char *pFileName ) = 0;
+
+	// Binds a material to a texture
+	virtual void BindTextureToMaterial( int id, IMaterial *pMaterial ) = 0;
+
+	// Binds a material to a texture
+	virtual void BindTextureToMaterialReference( int id, int referenceId, IMaterial *pMaterial ) = 0;
+
+	// Texture info
+	virtual IMaterial *GetTextureMaterial( int id ) = 0;
+	virtual void GetTextureSize(int id, int& iWide, int& iTall ) = 0;
+	virtual void GetTextureTexCoords( int id, float &s0, float &t0, float &s1, float &t1 ) = 0;
+
+	virtual void SetTextureRGBA( int id, const char* rgba, int wide, int tall ) = 0;
+
+	virtual int	FindTextureIdForTextureFile( char const *pFileName ) = 0;
+	virtual void SetSubTextureRGBA( int id, int drawX, int drawY, unsigned const char *rgba, int subTextureWide, int subTextureTall ) = 0;
+	virtual void SetSubTextureRGBAEx( int id, int drawX, int drawY, unsigned const char *rgba, int subTextureWide, int subTextureTall, ImageFormat format ) = 0;
+
+	virtual void SetTextureRGBAEx( int id, const char* rgba, int wide, int tall, ImageFormat format, bool bFixupTextCoordsForDimensions ) = 0;
+
+	virtual void UpdateSubTextureRGBA( int id, int drawX, int drawY, unsigned const char *rgba, int subTextureWide, int subTextureTall, ImageFormat imageFormat ) = 0;
+};
+
+ITextureDictionary *TextureDictionary();
+
+#endif // TEXTUREDICTIONARY_H