llimagebmp.h
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- /**
- * @file llimagebmp.h
- * @brief Image implementation for BMP.
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLIMAGEBMP_H
- #define LL_LLIMAGEBMP_H
- #include "llimage.h"
- // This class compresses and decompressed BMP files
- class LLImageBMP : public LLImageFormatted
- {
- protected:
- virtual ~LLImageBMP();
-
- public:
- LLImageBMP();
- /*virtual*/ std::string getExtension() { return std::string("bmp"); }
- /*virtual*/ BOOL updateData();
- /*virtual*/ BOOL decode(LLImageRaw* raw_image, F32 decode_time);
- /*virtual*/ BOOL encode(const LLImageRaw* raw_image, F32 encode_time);
- protected:
- BOOL decodeColorTable8( U8* dst, U8* src );
- BOOL decodeColorMask16( U8* dst, U8* src );
- BOOL decodeTruecolor24( U8* dst, U8* src );
- BOOL decodeColorMask32( U8* dst, U8* src );
- U32 countTrailingZeros( U32 m );
- protected:
- S32 mColorPaletteColors;
- U8* mColorPalette;
- S32 mBitmapOffset;
- S32 mBitsPerPixel;
- U32 mBitfieldMask[4]; // rgba
- BOOL mOriginAtTop;
- };
- #endif