# OgreDDSCodec.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 (c) 2000-2009 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028 #ifndef __OgreDDSCodec_H__
    00029 #define __OgreDDSCodec_H__
    00030
    00031 #include "OgreImageCodec.h"
    00032 namespace Ogre {
    00040     // Forward declarations
    00041     struct DXTColourBlock;
    00042     struct DXTExplicitAlphaBlock;
    00043     struct DXTInterpolatedAlphaBlock;
    00044
    00050     class _OgreExport DDSCodec : public ImageCodec
    00051     {
    00052     private:
    00053         String mType;
    00054
    00055         void flipEndian(void * pData, size_t size, size_t count) const;
    00056         void flipEndian(void * pData, size_t size) const;
    00057
    00058         PixelFormat convertFourCCFormat(uint32 fourcc) const;
    00059         PixelFormat convertPixelFormat(uint32 rgbBits, uint32 rMask,
    00060             uint32 gMask, uint32 bMask, uint32 aMask) const;
    00061
    00063         void unpackDXTColour(PixelFormat pf, const DXTColourBlock& block, ColourValue* pCol) const;
    00065         void unpackDXTAlpha(const DXTExplicitAlphaBlock& block, ColourValue* pCol) const;
    00067         void unpackDXTAlpha(const DXTInterpolatedAlphaBlock& block, ColourValue* pCol) const;
    00068
    00070         static DDSCodec* msInstance;
    00071     public:
    00072         DDSCodec();
    00073         virtual ~DDSCodec() { }
    00074
    00076         DataStreamPtr code(MemoryDataStreamPtr& input, CodecDataPtr& pData) const;
    00078         void codeToFile(MemoryDataStreamPtr& input, const String& outFileName, CodecDataPtr& pData) const;
    00080         DecodeResult decode(DataStreamPtr& input) const;
    00082         String magicNumberToFileExt(const char *magicNumberPtr, size_t maxbytes) const;
    00083
    00084         virtual String getType() const;
    00085
    00087         static void startup(void);
    00089         static void shutdown(void);
    00090
    00091     };
    00095 } // namespace
    00096
    00097 #endif
    00098

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Wed Nov 3 2010 19:24:51