dotmatrix.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 GRAPHICS_SCALER_DOTMATRIX_H
#define GRAPHICS_SCALER_DOTMATRIX_H

#include "graphics/scalerplugin.h"

class DotMatrixScaler : public Scaler {
public:
    DotMatrixScaler(const Graphics::PixelFormat &format);
    uint increaseFactor() override;
    uint decreaseFactor() override;
protected:
    virtual void scaleIntern(const uint8 *srcPtr, uint32 srcPitch,
                            uint8 *dstPtr, uint32 dstPitch, int width, int height, int x, int y) override;
private:
    // Allocate enough for 32bpp formats
    uint32 lookup[17];
    template<typename Pixel>
    void scaleIntern(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr,
            uint32 dstPitch, int width, int height, int x, int y);
};


#endif