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Diffstat (limited to 'image/codecs/jpeg.cpp')
-rw-r--r-- | image/codecs/jpeg.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/image/codecs/jpeg.cpp b/image/codecs/jpeg.cpp new file mode 100644 index 0000000000..9e8ba5a7d3 --- /dev/null +++ b/image/codecs/jpeg.cpp @@ -0,0 +1,66 @@ +/* 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 "common/system.h" +#include "common/textconsole.h" +#include "graphics/surface.h" +#include "image/jpeg.h" + +#include "image/codecs/jpeg.h" + +namespace Common { +class SeekableReadStream; +} + +namespace Image { + +JPEGCodec::JPEGCodec() : Codec() { + _pixelFormat = g_system->getScreenFormat(); + _surface = NULL; +} + +JPEGCodec::~JPEGCodec() { + if (_surface) { + _surface->free(); + delete _surface; + } +} + +const Graphics::Surface *JPEGCodec::decodeImage(Common::SeekableReadStream *stream) { + JPEGDecoder jpeg; + + if (!jpeg.loadStream(*stream)) { + warning("Failed to decode JPEG frame"); + return 0; + } + + if (_surface) { + _surface->free(); + delete _surface; + } + + _surface = jpeg.getSurface()->convertTo(_pixelFormat); + + return _surface; +} + +} // End of namespace Image |