gfx_chunks.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 GOT_GFX_GFX_CHUNKS_H
#define GOT_GFX_GFX_CHUNKS_H
 
#include "common/stream.h"
#include "got/gfx/palette.h"
#include "graphics/managed_surface.h"
 
namespace Got {
namespace Gfx {
 
class GfxChunks;
 
enum CompressMode { UNCOMPRESSED = 0,
                    LZSS = 1,
                    RLE = 2 };
 
struct GraphicChunk {
private:
    Common::Array<byte> _decompressedData;
 
public:
    int _compressMode = UNCOMPRESSED;
    uint32 _offset = 0;
    uint16 _uncompressedSize = 0;
    uint16 _compressedSize = 0;
    uint16 _width = 0;
    uint16 _height = 0;
 
    const byte *_data = nullptr;
 
    void load(Common::SeekableReadStream *src, const byte *data);
 
    void enable();
 
    operator const Graphics::ManagedSurface() const;
 
    operator const Gfx::Palette63() const;
};
 
class GfxChunks {
private:
    Common::Array<GraphicChunk> _chunks;
    byte *_data = nullptr;
 
    Common::SeekableReadStream *getStream() const;
 
public:
    ~GfxChunks() {
        delete[] _data;
    }
 
    void load();
 
    GraphicChunk &operator[](uint idx);
};
 
} // namespace Gfx
} // namespace Got
 
#endif