scaler.h

/* REminiscence - Flashback interpreter
 * Copyright (C) 2005-2007 Gregory Montoir
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef __SCALER_H__
#define __SCALER_H__

#include "intern.h"

typedef void (*ScaleProc)(uint16 *dst, uint16 dstPitch, const uint16 *src, uint16 srcPitch, uint16 w, uint16 h);

enum {
	NUM_SCALERS = 5
};

struct Scaler {
	const char *name;
	ScaleProc proc;
	uint8 factor;
};

extern const Scaler _scalers[];

void point1x(uint16 *dst, uint16 dstPitch, const uint16 *src, uint16 srcPitch, uint16 w, uint16 h);
void point2x(uint16 *dst, uint16 dstPitch, const uint16 *src, uint16 srcPitch, uint16 w, uint16 h);
void point3x(uint16 *dst, uint16 dstPitch, const uint16 *src, uint16 srcPitch, uint16 w, uint16 h);
void scale2x(uint16 *dst, uint16 dstPitch, const uint16 *src, uint16 srcPitch, uint16 w, uint16 h);
void scale3x(uint16 *dst, uint16 dstPitch, const uint16 *src, uint16 srcPitch, uint16 w, uint16 h);

#endif // __SCALER_H__