mirror of
https://github.com/libretro/scummvm.git
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94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2005 The ScummVM Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#ifndef MORPHOS_MORPHOSSCALER_H
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#define MORPHOS_MORPHOSSCALER_H
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#include <graphics/gfx.h>
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typedef enum { ST_INVALID = 0, ST_NONE, ST_POINT, ST_ADVMAME2X, ST_SUPEREAGLE, ST_SUPER2XSAI } SCALERTYPE;
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class MorphOSScaler
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{
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public:
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MorphOSScaler(APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap);
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virtual ~MorphOSScaler();
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bool Prepare(BitMap *render_bmap);
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void Finish();
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virtual void Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height) = 0;
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static MorphOSScaler *Create(SCALERTYPE st, APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap);
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static SCALERTYPE FindByName(const char *ScalerName);
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static SCALERTYPE FindByIndex(int index);
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static const char *GetParamName(SCALERTYPE type);
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protected:
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struct GfxScaler
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{
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STRPTR gs_Name;
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STRPTR gs_ParamName;
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SCALERTYPE gs_Type;
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};
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static GfxScaler ScummScalers[11];
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static uint32 MakeColor(int pixfmt, int r, int g, int b);
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byte *dest;
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uint32 dest_bpp;
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uint32 dest_pitch;
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uint32 dest_pixfmt;
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APTR handle;
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uint32 colorMask;
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uint32 lowPixelMask;
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uint32 qcolorMask;
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uint32 qlowpixelMask;
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uint32 redblueMask;
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uint32 greenMask;
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int PixelsPerMask;
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byte *src_line[4];
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byte *dst_line[2];
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bool ScummPCMode;
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APTR Buffer;
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ULONG BufferWidth;
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ULONG BufferHeight;
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ULONG *ScummColors;
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USHORT *ScummColors16;
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};
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#define DECLARE_SCALER(scaler_name) class scaler_name ## Scaler : public MorphOSScaler \
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{ 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) {} \
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void Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height); \
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};
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DECLARE_SCALER(Point)
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DECLARE_SCALER(AdvMame2x)
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DECLARE_SCALER(SuperEagle)
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DECLARE_SCALER(Super2xSaI)
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#endif
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