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/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GLK_RAW_DECODER_H
#define GLK_RAW_DECODER_H
#include "graphics/surface.h"
#include "image/image_decoder.h"
namespace Glk {
/**
* This image decoder class implements loading of a simplified image format.
* It's used for sub-engines like Frotz with custom picture formats. They can
* expose their picture archives using Common::Archive, and have the individual
* picture files stored in the format for this decoder to load
* Format:
* width 2 bytes
* height 2 bytes
* pal size 1 byte
* palette 3 bytes * pal size
* pixels width * height pixels
*/
class RawDecoder : public Image::ImageDecoder {
private:
Graphics::Surface _surface;
byte *_palette;
uint16 _paletteColorCount;
uint32 _transColor;
public:
RawDecoder();
~RawDecoder() override;
bool loadStream(Common::SeekableReadStream &stream) override;
void destroy() override;
const Graphics::Surface *getSurface() const override { return &_surface; }
const byte *getPalette() const override { return _palette; }
uint16 getPaletteColorCount() const override { return _paletteColorCount; }
bool hasTransparentColor() const override { return true; }
uint32 getTransparentColor() const override { return _transColor; }
};
} // End of namespace Glk
#endif
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