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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/>.
*
*/
/*
* This file contains an example implementation of the Scale effect
* applied to a generic bitmap.
*
* You can find a high-level description of the effect at:
*
* https://www.scale2x.it
*
* Alternatively at the previous license terms, you are allowed to use this
* code in your program with these conditions:
* - the program is not used in commercial activities.
* - the whole source code of the program is released with the binary.
* - derivative works of the program are allowed.
*/
#ifndef SCALER_SCALEBIT_H
#define SCALER_SCALEBIT_H
#include "graphics/scalerplugin.h"
int scale_precondition(unsigned scale, unsigned pixel, unsigned width, unsigned height);
void scale(unsigned scale, void* void_dst, unsigned dst_slice, const void* void_src, unsigned src_slice, unsigned pixel, unsigned width, unsigned height);
class AdvMameScaler : public Scaler {
public:
AdvMameScaler(const Graphics::PixelFormat &format) : Scaler(format) { _factor = 2; }
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;
};
#endif
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