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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2003 The ScummVM project, Fredrick Meunier and
* Philip Kendall
*
* HQ2x and HQ3x scalers taken from HiEnd3D Demos (http://www.hiend3d.com)
* Copyright (C) 2003 MaxSt ( maxst@hiend3d.com )
*
* 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.
*
* $Header$
*/
#ifndef SCALER_H
#define SCALER_H
#include <libspectrum.h>
typedef enum scaler_type {
SCALER_HALF = 0,
SCALER_HALFSKIP,
SCALER_NORMAL,
SCALER_DOUBLESIZE,
SCALER_TRIPLESIZE,
SCALER_2XSAI,
SCALER_SUPER2XSAI,
SCALER_SUPEREAGLE,
SCALER_ADVMAME2X,
SCALER_ADVMAME3X,
SCALER_TV2X,
SCALER_TV3X,
SCALER_TIMEXTV,
SCALER_DOTMATRIX,
SCALER_TIMEX1_5X,
SCALER_PALTV,
SCALER_PALTV2X,
SCALER_PALTV3X,
SCALER_HQ2X,
SCALER_HQ3X,
SCALER_NUM /* End marker; do not remove */
} scaler_type;
typedef enum scaler_flags_t {
SCALER_FLAGS_NONE = 0,
SCALER_FLAGS_EXPAND = 1 << 0,
} scaler_flags_t;
typedef void ScalerProc( const libspectrum_byte *srcPtr,
libspectrum_dword srcPitch,
libspectrum_byte *dstPtr, libspectrum_dword dstPitch,
int width, int height );
/* The type of function used to expand the area dirtied by a scaler */
typedef void scaler_expand_fn( int *x, int *y, int *w, int *h,
int image_width, int image_height );
extern scaler_type current_scaler;
extern ScalerProc *scaler_proc16, *scaler_proc32;
extern scaler_flags_t scaler_flags;
extern scaler_expand_fn *scaler_expander;
extern int scalers_registered;
typedef int (*scaler_available_fn)( scaler_type scaler );
int scaler_select_id( const char *scaler_mode );
void scaler_register_clear( void );
int scaler_select_scaler( scaler_type scaler );
void scaler_register( scaler_type scaler );
int scaler_is_supported( scaler_type scaler );
const char *scaler_name( scaler_type scaler );
ScalerProc *scaler_get_proc16( scaler_type scaler );
ScalerProc *scaler_get_proc32( scaler_type scaler );
scaler_flags_t scaler_get_flags( scaler_type scaler );
float scaler_get_scaling_factor( scaler_type scaler );
scaler_expand_fn* scaler_get_expander( scaler_type scaler );
int scaler_select_bitformat( libspectrum_dword BitFormat );
#endif
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