dds.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 STARK_FORMATS_DDS_H
#define STARK_FORMATS_DDS_H

#include "common/array.h"
#include "common/stream.h"
#include "graphics/surface.h"

namespace Stark {
namespace Formats {

// Based on xoreos' DDS code

class DDS {
public:
    ~DDS();

    typedef Common::Array<Graphics::Surface> MipMaps;

    bool load(Common::SeekableReadStream &dds, const Common::String &name);

    const MipMaps &getMipMaps() const;

private:
    struct DDSPixelFormat {
        uint32 size;

        uint32 flags;

        uint32 fourCC;

        uint32 bitCount;

        uint32 rBitMask;

        uint32 gBitMask;

        uint32 bBitMask;

        uint32 aBitMask;
    };

    bool readHeader(Common::SeekableReadStream &dds);
    bool readData(Common::SeekableReadStream &dds);

    bool detectFormat(const DDSPixelFormat &format);

    MipMaps _mipmaps;
    Graphics::PixelFormat _format;
    Common::String _name;
};

} // End of namespace Formats
} // End of namespace Stark

#endif // STARK_FORMATS_DDS_H