diff options
Diffstat (limited to 'engines/parallaction/iff.h')
-rw-r--r-- | engines/parallaction/iff.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/engines/parallaction/iff.h b/engines/parallaction/iff.h new file mode 100644 index 0000000000..23b8fbe1d7 --- /dev/null +++ b/engines/parallaction/iff.h @@ -0,0 +1,97 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef PARALLACTION_IFF_H +#define PARALLACTION_IFF_H + +#include "common/stream.h" +#include "common/iff_container.h" // for IFF chunk names +#include "graphics/iff.h" // for BMHD + +// this IFF parser code is courtesy of the Kyra engine team ;) + +namespace Parallaction { + +class IFFParser { +public: + IFFParser() : _stream(0), _startOffset(0), _endOffset(0) {} + IFFParser(Common::SeekableReadStream *stream) : _stream(0), _startOffset(0), _endOffset(0) { + setInputStream(stream); + } + ~IFFParser() { destroy(); } + + void setInputStream(Common::SeekableReadStream *stream); + + operator bool() const { return (_startOffset != _endOffset) && _stream; } + + uint32 getFORMBlockSize(); + uint32 getIFFBlockSize(Common::IFF_ID chunk); + bool loadIFFBlock(Common::IFF_ID chunk, void *loadTo, uint32 ptrSize); + Common::SeekableReadStream *getIFFBlockStream(Common::IFF_ID chunkName); +private: + void destroy(); + uint32 moveToIFFBlock(Common::IFF_ID chunkName); + + Common::SeekableReadStream *_stream; + uint32 _startOffset; + uint32 _endOffset; +}; + + + + +class ILBMDecoder { + Common::SeekableReadStream *_in; + IFFParser _parser; + Graphics::BMHD _header; + bool _hasHeader; + uint32 _bodySize; + uint32 _paletteSize; + bool _disposeStream; + + void planarToChunky(byte *out, uint32 width, byte *in, uint32 planeWidth, uint32 nPlanes, bool packPlanes); + +public: + ILBMDecoder(Common::SeekableReadStream *input, bool disposeStream = false); + + virtual ~ILBMDecoder(); + + uint32 getWidth(); + uint32 getHeight(); + uint32 getNumColors(); + byte *getPalette(); + + byte *getBitmap(uint32 numPlanes, bool packPlanes); + byte *getBitmap() { + assert(_hasHeader); + return getBitmap(_header.depth, false); + } +}; + + +} + +#endif + |