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Diffstat (limited to 'engines/cryomni3d/image/hlz.cpp')
-rw-r--r-- | engines/cryomni3d/image/hlz.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/engines/cryomni3d/image/hlz.cpp b/engines/cryomni3d/image/hlz.cpp new file mode 100644 index 0000000000..dd545c5056 --- /dev/null +++ b/engines/cryomni3d/image/hlz.cpp @@ -0,0 +1,67 @@ +/* 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. + * + */ + +#include "cryomni3d/image/hlz.h" + +#include "common/stream.h" +#include "common/substream.h" +#include "common/textconsole.h" +#include "graphics/pixelformat.h" +#include "graphics/surface.h" +#include "image/codecs/codec.h" + +#include "cryomni3d/image/codecs/hlz.h" + +namespace Image { + +HLZFileDecoder::HLZFileDecoder() { + _surface = 0; + _codec = 0; +} + +HLZFileDecoder::~HLZFileDecoder() { + destroy(); +} + +void HLZFileDecoder::destroy() { + delete _codec; + _codec = 0; + _surface = 0; +} + +bool HLZFileDecoder::loadStream(Common::SeekableReadStream &stream) { + destroy(); + + stream.read(_palette, sizeof(_palette)); + uint16 width = stream.readUint16LE(); + uint16 height = stream.readUint16LE(); + + if (width == 0 || height == 0) { + return false; + } + + _codec = new HLZDecoder(width, height); + _surface = _codec->decodeFrame(stream); + return true; +} + +} // End of namespace Image |