mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-04 16:26:53 +00:00
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef IMAGE_CODECS_QTRLE_H
|
|
#define IMAGE_CODECS_QTRLE_H
|
|
|
|
#include "graphics/pixelformat.h"
|
|
#include "image/codecs/codec.h"
|
|
|
|
namespace Image {
|
|
|
|
/**
|
|
* QuickTime Run-Length Encoding decoder.
|
|
*
|
|
* Used by PICT/QuickTime.
|
|
*/
|
|
class QTRLEDecoder : public Codec {
|
|
public:
|
|
QTRLEDecoder(uint16 width, uint16 height, byte bitsPerPixel);
|
|
~QTRLEDecoder();
|
|
|
|
const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
|
|
Graphics::PixelFormat getPixelFormat() const;
|
|
|
|
bool containsPalette() const { return _ditherPalette != 0; }
|
|
const byte *getPalette() { _dirtyPalette = false; return _ditherPalette; }
|
|
bool hasDirtyPalette() const { return _dirtyPalette; }
|
|
bool canDither(DitherType type) const;
|
|
void setDither(DitherType type, const byte *palette);
|
|
|
|
private:
|
|
byte _bitsPerPixel;
|
|
Graphics::Surface *_surface;
|
|
uint16 _width, _height;
|
|
uint32 _paddedWidth;
|
|
byte *_ditherPalette;
|
|
bool _dirtyPalette;
|
|
byte *_colorMap;
|
|
|
|
void createSurface();
|
|
|
|
void decode1(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange);
|
|
void decode2_4(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange, byte bpp);
|
|
void decode8(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange);
|
|
void decode16(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange);
|
|
void decode24(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange);
|
|
void dither24(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange);
|
|
void decode32(Common::SeekableReadStream &stream, uint32 rowPtr, uint32 linesToChange);
|
|
};
|
|
|
|
} // End of namespace Image
|
|
|
|
#endif
|