mirror of
https://github.com/libretro/scummvm.git
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129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004 Ivan Dubrov
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* Copyright (C) 2004-2005 The ScummVM project
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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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* 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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* 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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*/
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#ifndef GOB_VIDEO_H
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#define GOB_VIDEO_H
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#include "common/stdafx.h"
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#include "common/util.h"
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namespace Gob {
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#define VID_SET_CURSOR(val) { _AH = 1; _CX = (val); geninterrupt(0x10); }
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#define VID_RESTORE_MODE { _AX = 3; geninterrupt(0x10); }
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#define TEXT_VID_SEG 0xB800
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#define TEXT_VID_OFF 0
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#define TEXT_COL_COUNT 80
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#define TEXT_ROW_COUNT 25
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typedef struct SurfaceDesc_t {
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int16 width;
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int16 height;
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int8 reserved1;
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int8 flag;
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int16 vidMode;
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byte *vidPtr;
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int16 reserved2;
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} SurfaceDesc;
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typedef struct FontDesc_t {
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char *dataPtr;
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int8 itemWidth;
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int8 itemHeight;
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int8 startItem;
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int8 endItem;
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int8 itemSize;
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int8 bitWidth;
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void *extraData;
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} FontDesc;
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class VideoDriver {
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public:
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VideoDriver() {}
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virtual ~VideoDriver() {}
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virtual void drawSprite(SurfaceDesc *source, SurfaceDesc *dest, int16 left, int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp) = 0;
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virtual void fillRect(SurfaceDesc *dest, int16 left, int16 top, int16 right, int16 bottom, byte color) = 0;
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virtual void putPixel(int16 x, int16 y, byte color, SurfaceDesc *dest) = 0;
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virtual void drawLetter(unsigned char item, int16 x, int16 y, FontDesc *fontDesc, byte color1, byte color2, byte transp, SurfaceDesc *dest) = 0;
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virtual void drawLine(SurfaceDesc *dest, int16 x0, int16 y0, int16 x1, int16 y1, byte color) = 0;
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virtual void drawPackedSprite(byte *sprBuf, int16 width, int16 height, int16 x, int16 y, byte transp, SurfaceDesc *dest) = 0;
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};
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#define GDR_VERSION 4
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#define PRIMARY_SURFACE 0x80
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#define RETURN_PRIMARY 0x01
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#define DISABLE_SPR_ALLOC 0x20
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#if !defined(__GNUC__)
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#pragma START_PACK_STRUCTS
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#endif
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typedef struct Color {
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byte red;
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byte green;
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byte blue;
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} GCC_PACK Color;
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#if !defined(__GNUC__)
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#pragma END_PACK_STRUCTS
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#endif
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typedef struct PalDesc {
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Color *vgaPal;
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int16 *unused1;
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int16 *unused2;
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} PalDesc;
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char vid_initDriver(int16 vidMode);
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void vid_freeDriver(void);
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int32 vid_getRectSize(int16 width, int16 height, int16 flag, int16 mode);
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SurfaceDesc *vid_initSurfDesc(int16 vidMode, int16 width, int16 height, int16 flags);
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void vid_freeSurfDesc(SurfaceDesc * surfDesc);
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int16 vid_clampValue(int16 val, int16 max);
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void vid_drawSprite(SurfaceDesc * source, SurfaceDesc * dest, int16 left,
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int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp);
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void vid_fillRect(SurfaceDesc * dest, int16 left, int16 top, int16 right, int16 bottom,
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int16 color);
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void vid_drawLine(SurfaceDesc * dest, int16 x0, int16 y0, int16 x1, int16 y1,
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int16 color);
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void vid_putPixel(int16 x, int16 y, int16 color, SurfaceDesc * dest);
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void vid_drawLetter(unsigned char item, int16 x, int16 y, FontDesc * fontDesc, int16 color1,
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int16 color2, int16 transp, SurfaceDesc * dest);
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void vid_clearSurf(SurfaceDesc * dest);
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void vid_drawPackedSprite(byte *sprBuf, int16 width, int16 height, int16 x, int16 y,
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int16 transp, SurfaceDesc * dest);
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void vid_setPalElem(int16 index, char red, char green, char blue, int16 unused,
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int16 vidMode);
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void vid_setPalette(PalDesc * palDesc);
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void vid_setFullPalette(PalDesc * palDesc);
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void vid_initPrimary(int16 mode);
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char vid_spriteUncompressor(byte *sprBuf, int16 srcWidth, int16 srcHeight, int16 x,
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int16 y, int16 transp, SurfaceDesc * destDesc);
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void vid_setHandlers(void);
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} // End of namespace Gob
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#endif
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