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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef MORPHOS_MORPHOSSCALER_H
#define MORPHOS_MORPHOSSCALER_H
#include <graphics/gfx.h>
typedef enum { ST_INVALID = 0, ST_NONE, ST_POINT, ST_ADVMAME2X, ST_SUPEREAGLE, ST_SUPER2XSAI } SCALERTYPE;
class MorphOSScaler
{
public:
MorphOSScaler(APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap);
virtual ~MorphOSScaler();
bool Prepare(BitMap *render_bmap);
void Finish();
virtual void Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height) = 0;
static MorphOSScaler *Create(SCALERTYPE st, APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap);
static SCALERTYPE FindByName(const char *ScalerName);
static SCALERTYPE FindByIndex(int index);
static const char *GetParamName(SCALERTYPE type);
protected:
struct GfxScaler
{
STRPTR gs_Name;
STRPTR gs_ParamName;
SCALERTYPE gs_Type;
};
static GfxScaler ScummScalers[11];
static uint32 MakeColor(int pixfmt, int r, int g, int b);
byte *dest;
uint32 dest_bpp;
uint32 dest_pitch;
uint32 dest_pixfmt;
APTR handle;
uint32 colorMask;
uint32 lowPixelMask;
uint32 qcolorMask;
uint32 qlowpixelMask;
uint32 redblueMask;
uint32 greenMask;
int PixelsPerMask;
byte *src_line[4];
byte *dst_line[2];
bool ScummPCMode;
APTR Buffer;
ULONG BufferWidth;
ULONG BufferHeight;
ULONG *ScummColors;
USHORT *ScummColors16;
};
#define DECLARE_SCALER(scaler_name) class scaler_name ## Scaler : public MorphOSScaler \
{ public: scaler_name ## Scaler(APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap) : MorphOSScaler(buffer, width, height, col_table, col_table16, bmap) {} \
void Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height); \
};
DECLARE_SCALER(Point)
DECLARE_SCALER(AdvMame2x)
DECLARE_SCALER(SuperEagle)
DECLARE_SCALER(Super2xSaI)
#endif
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