71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/**
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* @file llimagebmp.h
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* @brief Image implementation for BMP.
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLIMAGEBMP_H
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#define LL_LLIMAGEBMP_H
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#include "llimage.h"
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// This class compresses and decompressed BMP files
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class LLImageBMP : public LLImageFormatted
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{
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protected:
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virtual ~LLImageBMP();
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public:
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LLImageBMP();
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/*virtual*/ std::string getExtension() { return std::string("bmp"); }
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/*virtual*/ BOOL updateData();
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/*virtual*/ BOOL decode(LLImageRaw* raw_image, F32 decode_time);
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/*virtual*/ BOOL encode(const LLImageRaw* raw_image, F32 encode_time);
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protected:
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BOOL decodeColorTable8( U8* dst, U8* src );
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BOOL decodeColorMask16( U8* dst, U8* src );
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BOOL decodeTruecolor24( U8* dst, U8* src );
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BOOL decodeColorMask32( U8* dst, U8* src );
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U32 countTrailingZeros( U32 m );
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protected:
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S32 mColorPaletteColors;
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U8* mColorPalette;
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S32 mBitmapOffset;
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S32 mBitsPerPixel;
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U32 mBitfieldMask[4]; // rgba
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BOOL mOriginAtTop;
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};
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#endif
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