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OgreTexture.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright © 2000-2002 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef _Texture_H__
00026 #define _Texture_H__
00027 
00028 #include "OgrePrerequisites.h"
00029 
00030 #include "OgreResource.h"
00031 #include "OgreImage.h"
00032 
00033 namespace Ogre {
00034 
00037     enum TextureUsage
00038     {
00039         TU_DEFAULT = 0x0, 
00040         TU_RENDERTARGET = 0x1 
00041     };
00042 
00045     enum TextureType
00046     {
00048         TEX_TYPE_1D = 1,
00050         TEX_TYPE_2D = 2,
00052         TEX_TYPE_3D = 3,
00054         TEX_TYPE_CUBE_MAP = 4
00055     };
00056 
00066     class _OgreExport Texture : public Resource
00067     {
00068     public:
00069 
00072         TextureType getTextureType(void) const { return mTextureType; }
00073 
00076         unsigned short getNumMipMaps(void) const {return mNumMipMaps;}
00077 
00082         void setNumMipMaps(unsigned short num) {mNumMipMaps = num;}
00083 
00086         float getGamma(void) const { return mGamma; }
00087 
00092         void setGamma(float g) { mGamma = g; }
00093 
00096         unsigned int getHeight(void) const { return mHeight; }
00097 
00100         unsigned int getWidth(void) const { return mWidth; }
00101 
00104         unsigned int getDepth(void) const { return mDepth; }
00105 
00108         std::pair< uint, uint > getDimensions() const { return std::pair< uint, uint >( mWidth, mHeight ); }
00109 
00112         TextureUsage getUsage() const
00113         {
00114             return mUsage;
00115         }
00116 
00123         virtual void blitToTexture( 
00124             const Image &src, unsigned uStartX, unsigned uStartY ) = 0;
00125 
00134         virtual void blitImage(
00135             const Image& src, const Image::Rect imgRect, const Image::Rect texRect )
00136         {
00137         }
00138 
00141         virtual void copyToTexture( Texture * target ) {}
00142 
00145         virtual void loadImage( const Image &img ) = 0;
00146             
00149         virtual void loadRawData( const DataChunk &pData, 
00150             ushort uWidth, ushort uHeight, PixelFormat eFormat) ;
00151 
00152         void enable32Bit( bool setting = true ) 
00153         {
00154             setting ? mFinalBpp = 32 : mFinalBpp = 16;
00155         }
00156 
00158         virtual PixelFormat getFormat() const
00159         {
00160             return mFormat;
00161         }
00162 
00164         virtual bool hasAlpha(void) const
00165         {
00166             return mHasAlpha;
00167         }
00168 
00169     protected:
00170         unsigned long mHeight;
00171         unsigned long mWidth;
00172         unsigned long mDepth;
00173 
00174         unsigned short mNumMipMaps;
00175         float mGamma;
00176 
00177         TextureType mTextureType;
00178         PixelFormat mFormat;
00179         TextureUsage mUsage;
00180 
00181         unsigned short mSrcBpp;
00182         unsigned long mSrcWidth, mSrcHeight;
00183         unsigned short mFinalBpp;
00184         bool mHasAlpha;
00185     };
00186 }
00187 
00188 #endif

Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:52 2004