prgfx.h

MiniWinOuterSM MiniWinOuterSM

/*
	PrGfx.h
	Copyright (C) 2004-2005 CLife. All rights reserved.
*/

#ifndef _PrGFX_H_
#define _PrGFX_H_

#include "PrTypes.h"
typedef struct {
	UINT8 b;
	UINT8 g;
	UINT8 r;
	UINT8 unused;
}GFXColor;

typedef struct {
	int       ncolors;
	GFXColor *colors;
}GFXPalette;

/* Everything in the pixel format structure is read-only */
typedef struct _GFXPixelFormat {
	GFXPalette *palette;

	UINT8  BitsPerPixel;
	UINT8  BytesPerPixel;
	UINT8  Rloss;
	UINT8  Gloss;
	UINT8  Bloss;
	UINT8  Aloss;

	UINT8  Rshift;
	UINT8  Gshift;
	UINT8  Bshift;
	UINT8  Ashift;
	UINT8  alpha;

	UINT32 Rmask;
	UINT32 Gmask;
	UINT32 Bmask;
	UINT32 Amask;
	/* RGB color key information */
	UINT32 colorkey;
	/* Alpha value information (per-surface alpha) */
}GFXPixelFormat;

#define PIXEL_FROM_RGB(pixel, fmt, r, g, b)		\
{												\
	pixel = ((r>>fmt->Rloss)<<fmt->Rshift)|		\
		((g>>fmt->Gloss)<<fmt->Gshift)|			\
		((b>>fmt->Bloss)<<fmt->Bshift);			\
}
#define RGB_FROM_PIXEL(pixel, fmt, r, g, b)		\
{												\
	r = (((pixel&fmt->Rmask)>>fmt->Rshift)<<fmt->Rloss); 	\
	g = (((pixel&fmt->Gmask)>>fmt->Gshift)<<fmt->Gloss); 	\
	b = (((pixel&fmt->Bmask)>>fmt->Bshift)<<fmt->Bloss); 	\
}
PR_BEGIN_EXTERN_C 
/* Ternary raster operations */
#define BLIT_SRCOOPY		(DWORD)0x00CC0020 /* dest = source                   */
#define BLIT_SRCPAINT       (DWORD)0x00EE0086 /* dest = source OR dest           */
#define BLIT_SRCAND         (DWORD)0x008800C6 /* dest = source AND dest          */
#define BLIT_SRCINVERT      (DWORD)0x00660046 /* dest = source XOR dest          */
#define BLIT_RCERASE        (DWORD)0x00440328 /* dest = source AND (NOT dest )   */
#define BLIT_NOTSRCCOPY     (DWORD)0x00330008 /* dest = (NOT source)             */
#define BLIT_NOTSRCERASE    (DWORD)0x001100A6 /* dest = (NOT src) AND (NOT dest) */
#define BLIT_MERGECOPY      (DWORD)0x00C000CA /* dest = (source AND pattern)     */
#define BLIT_MERGEPAINT     (DWORD)0x00BB0226 /* dest = (NOT source) OR dest     */
#define BLIT_PATCOPY        (DWORD)0x00F00021 /* dest = pattern                  */
#define BLIT_PATPAINT       (DWORD)0x00FB0A09 /* dest = DPSnoo                   */
#define BLIT_PATINVERT      (DWORD)0x005A0049 /* dest = pattern XOR dest         */
#define BLIT_DSTINVERT      (DWORD)0x00550009 /* dest = (NOT dest)               */
#define BLIT_BLACKNESS      (DWORD)0x00000042 /* dest = BLACK                    */
#define BLIT_WHITENESS      (DWORD)0x00FF0062 /* dest = WHITE                    */

typedef struct _GFX GFX,*PGFX;        
typedef	int (*GfxGetPixel)(PGFX gfx,int x,int y);
typedef	void (*GfxSetPixel)(PGFX gfx,int x,int y,UINT32 cc);
typedef	void (*GfxHLine)(PGFX gfx,int x1,int x2,int y,UINT32 cc);
typedef	INT32 (*GfxGetLine)(PGFX gfx,int x,int y,int w,void*buf);
typedef	INT32 (*GfxPutLine)(PGFX gfx,int x,int y,int w,void*buf);
typedef	INT32 (*GfxGetBox)(PGFX gfx,int x,int y,int w,int h,void*buf); 
typedef	INT32 (*GfxPutBox)(PGFX gfx,int x,int y,int w,int h,void*buf); 
typedef	INT32 (*GfxFillRect)(PGFX gfx,int x,int y,int w,int h,UINT32 cc);
typedef	INT32 (*GfxBlit)(PGFX dst,int dx,int dy,int dw,int dh,PGFX src,int sx,int sy,int mode);
typedef	INT32 (*GfxUpdateRect)(PGFX,int x,int y,int width,int height);
typedef INT32 (*GfxPalette)(PGFX,GFXColor*colors,int start,int count);//Palette Set and Get
typedef struct _SUBDRIVER{
	GfxGetPixel GetPixel;
	GfxSetPixel SetPixel;
	GfxPalette SetPalette;
	GfxPalette GetPalette;
	GfxHLine HLine;
	GfxGetLine GetLine;
	GfxPutLine PutLine;
	GfxGetBox GetBox; 
	GfxPutBox PutBox; 
	GfxFillRect FillRect;
	GfxBlit Blit;
	GfxUpdateRect UpdateRect;
}SUBDRIVER;
typedef	PGFX (*GfxOpenGfx)(PGFX gfx,UINT8 bpp,UINT32 Rmask,UINT32 Gmask,UINT32 Bmask,UINT32 Amask);
typedef	PGFX (*GfxAllocGfx)(UINT8 bpp,UINT32 Rmask,UINT32 Gmask,UINT32 Bmask,UINT32 Amask);
typedef	void (*GfxFreeGfx)(PGFX gfx);
typedef	int (*GfxMapMemGC)(PGFX gfx,int w,int h,int bpp,
			int linelen,void *addr);
UINT32 GfxRGB2Pixel(PGFX gfx,UINT8 r,UINT8 g,UINT8 b,UINT8 a);
void GfxPixel2RGB(PGFX gfx,UINT32 pixel,UINT8*r,UINT8*g,UINT8*b,UINT8*a);
struct _GFX
{
	UINT32 width;
	UINT32 height;
	UINT32 lPitch;
	UINT32 bpp;//bitsPerPixel;
	UINT8 alpha;
	unsigned char*Buffer;
	GfxOpenGfx OpenGfx; 
	GfxAllocGfx AllocGfx;
	GfxMapMemGC MapMemGC;
	GfxFreeGfx FreeGfx;
///////////////////////////////
	GfxGetPixel GetPixel;
	GfxSetPixel SetPixel;
	GfxPalette SetPalette;
	GfxPalette GetPalette;
	GfxHLine HLine;
	GfxGetLine GetLine;
	GfxPutLine PutLine;
	GfxGetBox GetBox; 
	GfxPutBox PutBox; 
	GfxFillRect FillRect;
	GfxBlit Blit;
	GfxUpdateRect UpdateRect;
	GFXPixelFormat*PixFormat;
};

extern SUBDRIVER fb8,fb16,fb24;

extern GFX scrdev;
PR_END_EXTERN_C

#endif	/* _PrGFX_H_ */