framebuf.h

早期freebsd实现

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * from: $Hdr: framebuf.h,v 4.300 91/06/09 06:42:21 root Rel41 $ SONY
 *
 *	@(#)framebuf.h	8.1 (Berkeley) 6/11/93
 */

#ifndef __FRAMEBUF__
#define __FRAMEBUF__ 1

typedef unsigned short	Word;

#define BitsPerWord	16

typedef struct {
	short	x, y;
} sPoint;

typedef struct {
	int	x, y;
} lPoint;

typedef struct {
	sPoint	origin;
	sPoint	extent;
} sRectangle;

typedef struct {
	lPoint	origin;
	lPoint	extent;
} lRectangle;

typedef struct {
	char		type;	/* BM_FB, BM_MEM, BM_0, BM_1 or BM_LBP */
	char		depth;	/* bitmap depth */
	unsigned short	width;	/* width in Words */
	sRectangle	rect;	/* defined area */
	Word		*base;	/* for BM_MEM */
} sBitmap;

typedef struct {
	char		type;	/* BM_FB, BM_MEM, BM_0, BM_1 or BM_LBP */
	char		depth;	/* bitmap depth */
	unsigned short	width;	/* width in Words */
	lRectangle	rect;	/* defined area */
	Word		*base;	/* for BM_MEM */
} lBitmap;

#define BM_FB		0	/* frame buffer */
#define BM_MEM		1	/* bitmap in memory (XY format) */
#define BM_0		2	/* virtual bitmap of data '0' */
#define BM_1		3	/* virtual bitmap of data '1' */
#define BM_LBP		4	/* lbp page buffer (future support) */

/* 2 operand bitblt */
typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	sBitmap		srcBitmap;	/* source bitmap */
	sRectangle	srcRect;	/* source rectangle */
	sBitmap		destBitmap;	/* destination bitmap */
	sRectangle	destClip;	/* clip rectangle */
	sPoint		destPoint;	/* destination point */
} sBitblt;

typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	lBitmap		srcBitmap;	/* source bitmap */
	lRectangle	srcRect;	/* source rectangle */
	lBitmap		destBitmap;	/* destination bitmap */
	lRectangle	destClip;	/* clip rectangle */
	lPoint		destPoint;	/* destination point */
} lBitblt;

/* tile 2 operand bitblt */
typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	sBitmap		ptnBitmap;	/* pattern bitmap */
	sRectangle	ptnRect;	/* pattern rectangle */
	sPoint		refPoint;	/* reference point */
	sBitmap		destBitmap;	/* destination bitmap */
	sRectangle	destClip;	/* clip rectangle */
	sRectangle	destRect;	/* destination rectangle */
} sTileBitblt;

typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	lBitmap		ptnBitmap;	/* pattern bitmap */
	lRectangle	ptnRect;	/* pattern rectangle */
	lPoint		refPoint;	/* reference point */
	lBitmap		destBitmap;	/* destination bitmap */
	lRectangle	destClip;	/* clip rectangle */
	lRectangle	destRect;	/* destination rectangle */
} lTileBitblt;

/* 3 operand bitblt */
typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	sBitmap		ptnBitmap;	/* pattern bitmap */
	sRectangle	ptnRect;	/* pattern rectangle */
	sPoint		refPoint;	/* reference point */
	sBitmap		srcBitmap;	/* source bitmap */
	sRectangle	srcRect;	/* source rectangle */
	sBitmap		destBitmap;	/* destination bitmap */
	sRectangle	destClip;	/* clip rectangle */
	sPoint		destPoint;	/* destination point */
} sBitblt3;

typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	lBitmap		ptnBitmap;	/* pattern bitmap */
	lRectangle	ptnRect;	/* pattern rectangle */
	lPoint		refPoint;	/* reference point */
	lBitmap		srcBitmap;	/* source bitmap */
	lRectangle	srcRect;	/* source rectangle */
	lBitmap		destBitmap;	/* destination bitmap */
	lRectangle	destClip;	/* clip rectangle */
	lPoint		destPoint;	/* destination point */
} lBitblt3;

typedef struct {
	sRectangle	srcRect;	/* source rectangle */
	sPoint		destPoint;	/* destination point */
} sSrcDest;

typedef struct {
	lRectangle	srcRect;	/* source rectangle */
	lPoint		destPoint;	/* destination point */
} lSrcDest;

/*
 * batch bitblt
 */
typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	sBitmap		srcBitmap;	/* source bitmap */
	sBitmap		destBitmap;	/* destination bitmap */
	sRectangle	destClip;	/* clip rectangle */
	int		nSrcDest;	/* number of src-dest in list */
	sSrcDest	*srcDestList;	/* pointer to src-dest spec */
} sBatchBitblt;

typedef struct {
	unsigned char	func;		/* function code */
	char		transp;		/* transparency */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	lBitmap		srcBitmap;	/* source bitmap */
	lBitmap		destBitmap;	/* destination bitmap */
	lRectangle	destClip;	/* clip rectangle */
	int		nSrcDest;	/* number of src-dest in list */
	lSrcDest	*srcDestList;	/* pointer to src-dest spec */
} lBatchBitblt;

#define MAX_BATCHBITBLT	1024		/* max number in src-dest list */

/*
 * set screen mode
 */

#define BLACK_ON_WHITE	0	/* white - 0, black - 1 (default) */
#define WHITE_ON_BLACK	1	/* white - 1, black - 0 */

/*
 * graphic primitive drawing
 */

/* scan line array */
typedef struct {
	short	y;
	short	x0, x1;		/* x0 <= x1 */
} sScanl;

typedef struct {
	int	y;
	int	x0, x1;		/* x0 <= x1 */
} lScanl;

/* line */
typedef struct {
	unsigned int	lptn;		/* line pattern */
	short		np;		/* number of points */
	sPoint		*plist;		/* point list */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	char		dlpf;		/* draw last point flag */
	sRectangle	clip;		/* clip rectangle */
	sBitmap		drawBM;		/* drawing bitmap */
} sPrimLine;

typedef struct {
	unsigned int	lptn;		/* line pattern */
	short		np;		/* number of points */
	lPoint		*plist;		/* point list */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	char		dlpf;		/* draw last point flag */
	lRectangle	clip;		/* clip rectangle */
	lBitmap		drawBM;		/* drawing bitmap */
} lPrimLine;

/* rectangle filling */
typedef struct {
	sRectangle	rect;		/* rectangle */
	sPoint		refPoint;	/* fill reference point */
	sRectangle	ptnRect;	/* pattern rectangle */
	sBitmap		ptnBM;		/* pattern bitmap */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	sRectangle	clip;		/* clip rectangle */
	sBitmap		drawBM;		/* drawing bitmap */
} sPrimRect;

typedef struct {
	lRectangle	rect;		/* rectangle */
	lPoint		refPoint;	/* fill reference point */
	lRectangle	ptnRect;	/* pattern rectangle */
	lBitmap		ptnBM;		/* pattern bitmap */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	lRectangle	clip;		/* clip rectangle */
	lBitmap		drawBM;		/* drawing bitmap */
} lPrimRect;

/* pattern filling */
typedef struct {
	short		nscan;		/* number of scan element */
	sScanl		*scan;		/* scan line data */
	sPoint		refPoint;	/* fill reference point */
	sRectangle	ptnRect;	/* pattern rectangle */
	sBitmap		ptnBM;		/* pattern bitmap */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	sRectangle	clip;		/* clip rectangle */
	sBitmap		drawBM;		/* drawing bitmap */
} sPrimFill;

typedef struct {
	short		nscan;		/* number of scan element */
	lScanl		*scan;		/* scan line data */
	lPoint		refPoint;	/* fill reference point */
	lRectangle	ptnRect;	/* pattern rectangle */
	lBitmap		ptnBM;		/* pattern bitmap */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	lRectangle	clip;		/* clip rectangle */
	lBitmap		drawBM;		/* drawing bitmap */
} lPrimFill;

/* marker */
typedef struct {
	short		np;		/* number of points */
	sPoint		*plist;		/* point list */
	sRectangle	ptnRect;	/* pattern rectangle */
	sBitmap		ptnBM;		/* pattern bitmap */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	sRectangle	clip;		/* clip rectangle */
	sBitmap		drawBM;		/* drawing bitmap */
} sPrimMarker;

typedef struct {
	short		np;		/* number of points */
	lPoint		*plist;		/* point list */
	lRectangle	ptnRect;	/* pattern rectangle */
	lBitmap		ptnBM;		/* pattern bitmap */
	int		fore_color;	/* foreground color */
	int		aux_color;	/* auxiliary color */
	int		planemask;	/* select plane */
	char		transp;		/* transparency */
	unsigned char	func;		/* rop function code */
	lRectangle	clip;		/* clip rectangle */
	lBitmap		drawBM;		/* drawing bitmap */
} lPrimMarker;

/* text */