1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef IMAGE_PCX_H
24 #define IMAGE_PCX_H
25 
26 #include "common/scummsys.h"
27 #include "common/str.h"
28 #include "image/image_decoder.h"
29 
30 namespace Common{
31 class SeekableReadStream;
32 }
33 
34 namespace Image {
35 
36 /**
37  * @defgroup image_pcx PCX decoder
38  * @ingroup image
39  *
40  * @brief Decoder for PCX images.
41  *
42  * Used in engines:
43  * - Dreamweb
44  * - Hugo
45  * - Queen
46  * - Tucker
47  * @{
48  */
49 
50 class PCXDecoder : public ImageDecoder {
51 public:
52 	PCXDecoder();
53 	virtual ~PCXDecoder();
54 
55 	// ImageDecoder API
56 	void destroy();
57 	virtual bool loadStream(Common::SeekableReadStream &stream);
getSurface()58 	virtual const Graphics::Surface *getSurface() const { return _surface; }
getPalette()59 	const byte *getPalette() const { return _palette; }
getPaletteColorCount()60 	uint16 getPaletteColorCount() const { return _paletteColorCount; }
61 
62 private:
63 	void decodeRLE(Common::SeekableReadStream &stream, byte *dst, uint32 bytesPerScanline, bool compressed);
64 
65 	Graphics::Surface *_surface;
66 	byte *_palette;
67 	uint16 _paletteColorCount;
68 };
69 /** @} */
70 } // End of namespace Image
71 
72 #endif
73