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68 lines
2.1 KiB
C++
68 lines
2.1 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#ifndef GRAPHICS_IMAGEDEC_H
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#define GRAPHICS_IMAGEDEC_H
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#include "common/scummsys.h"
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#include "common/str.h"
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#include "common/stream.h"
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#include "graphics/surface.h"
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#include "graphics/pixelformat.h"
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namespace Graphics {
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class ImageDecoder {
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public:
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ImageDecoder() {}
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virtual ~ImageDecoder() {}
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static Surface *loadFile(const Common::String &name, const PixelFormat &format);
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static Surface *loadFile(Common::SeekableReadStream &stream, const PixelFormat &format);
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/**
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* checks if the data can be decoded by this decoder
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*
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* @param stream memory read stream
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* @return true if it can be decoded, otherwise false
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*/
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virtual bool decodeable(Common::SeekableReadStream &stream) = 0;
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/**
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* decodes the data and returns an pointer to the resulting surface.
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* Surface::free() must be called by the user also it must be deleted
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* with delete;
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*
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* @param stream the memory stream which should be decoded
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* @param format the pixel format used to generate the surface
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* @return returns a new surface if the image could be decoded, otherwise 0
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*/
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virtual Surface *decodeImage(Common::SeekableReadStream &stream, const PixelFormat &format) = 0;
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};
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} // End of namespace Graphics
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#endif
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