65 lines
1.9 KiB
C++
65 lines
1.9 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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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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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, const U8* src );
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bool decodeColorMask16( U8* dst, const U8* src );
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bool decodeTruecolor24( U8* dst, const U8* src );
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bool decodeColorMask32( U8* dst, const 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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