1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/**
* @file llimagebmp.h
* @brief Image implementation for BMP.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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, const U8* src );
bool decodeColorMask16( U8* dst, const U8* src );
bool decodeTruecolor24( U8* dst, const U8* src );
bool decodeColorMask32( U8* dst, const U8* src );
U32 countTrailingZeros( U32 m );
protected:
S32 mColorPaletteColors;
U8* mColorPalette;
S32 mBitmapOffset;
S32 mBitsPerPixel;
U32 mBitfieldMask[4]; // rgba
bool mOriginAtTop;
};
#endif
|
