54 lines
1.8 KiB
C++
54 lines
1.8 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 "tetraedge/te/te_zlib_jpeg.h"
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#include "common/substream.h"
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#include "common/compression/deflate.h"
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namespace Tetraedge {
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TeZlibJpeg::TeZlibJpeg() {
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}
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TeZlibJpeg::~TeZlibJpeg() {
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}
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bool TeZlibJpeg::load(Common::SeekableReadStream &stream) {
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uint32 compressedSize = stream.readUint32LE();
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if (compressedSize > stream.size()) {
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warning("[TeImage::load] invalid size %d (file size %d)", compressedSize, (int)stream.size());
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return false;
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}
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uint32 uncompressedSize = stream.readUint32LE();
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Common::SeekableSubReadStream *substream = new Common::SeekableSubReadStream(&stream, stream.pos(), stream.size());
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Common::SeekableReadStream *zlibStream = Common::wrapCompressedReadStream(substream, DisposeAfterUse::YES, uncompressedSize);
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bool result = TeJpeg::load(*zlibStream);
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delete zlibStream;
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return result;
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}
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/*static*/
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bool TeZlibJpeg::matchExtension(const Common::String &extn) {
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return extn == "jpeg.zlib";
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}
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} // end namespace Tetraedge
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