cdtoons.h

/* 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 IMAGE_CODECS_CDTOONS_H
#define IMAGE_CODECS_CDTOONS_H
 
#include "image/codecs/codec.h"
 
#include "common/array.h"
#include "common/hashmap.h"
#include "common/rect.h"
#include "graphics/palette.h"
 
namespace Image {
 
struct CDToonsBlock {
    uint16 typeFlags;
    uint32 size;
    uint16 startFrame;
    uint16 endFrame;
    byte *data;
};
 
class CDToonsDecoder : public Codec {
public:
    CDToonsDecoder(uint16 width, uint16 height);
    ~CDToonsDecoder() override;
 
    Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream) override;
    Graphics::PixelFormat getPixelFormat() const override { return Graphics::PixelFormat::createFormatCLUT8(); }
    bool containsPalette() const override { return true; }
    const byte *getPalette() override { _dirtyPalette = false; return _palette.data(); }
    bool hasDirtyPalette() const override { return _dirtyPalette; }
 
private:
    struct CDToonsAction {
        uint16 blockId;
        Common::Rect rect;
    };
 
    Graphics::Surface *_surface;
    Graphics::Surface *_backingSurface;
    bool _backingSurfaceValid;
    Graphics::Palette _palette;
    bool _dirtyPalette;
    uint16 _currentPaletteId;
 
    Common::HashMap<uint16, CDToonsBlock> _blocks;
 
    void renderActions(const Common::Array<CDToonsAction> &actions, uint begin, uint end, Graphics::Surface &surface, const Common::Rect *clipRect);
    void renderBlock(Graphics::Surface &surface, byte *data, uint size, int x, int y, uint width, uint height, const Common::Rect *clipRect = nullptr);
    void setPalette(byte *data);
};
 
} // End of namespace Image
 
#endif