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67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "cryomni3d/image/hlz.h"
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#include "common/stream.h"
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#include "common/substream.h"
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#include "common/textconsole.h"
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#include "graphics/pixelformat.h"
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#include "graphics/surface.h"
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#include "image/codecs/codec.h"
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#include "image/codecs/hlz.h"
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namespace Image {
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HLZFileDecoder::HLZFileDecoder() {
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_surface = nullptr;
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_codec = nullptr;
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}
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HLZFileDecoder::~HLZFileDecoder() {
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destroy();
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}
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void HLZFileDecoder::destroy() {
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delete _codec;
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_codec = nullptr;
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_surface = nullptr;
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}
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bool HLZFileDecoder::loadStream(Common::SeekableReadStream &stream) {
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destroy();
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stream.read(_palette, sizeof(_palette));
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uint16 width = stream.readUint16LE();
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uint16 height = stream.readUint16LE();
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if (width == 0 || height == 0) {
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return false;
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}
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_codec = new HLZDecoder(width, height);
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_surface = _codec->decodeFrame(stream);
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return true;
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}
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} // End of namespace Image
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