fill_6.c

nucleus 文件系统,内核和彩色图形系统,在小系统上非常好用

/*************************************************************************/
/*                                                                       */
/*         Copyright (c) 1997 - 1999 Accelerated Technology, Inc.        */
/*                                                                       */
/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
/* subject matter of this material.  All manufacturing, reproduction,    */
/* use, and sales rights pertaining to this subject matter are governed  */
/* by the license agreement.  The recipient of this software implicitly  */
/* accepts the terms of the license.                                     */
/*                                                                       */
/*************************************************************************/

/*************************************************************************/
/*                                                                       */
/* FILE NAME                                            VERSION          */
/*                                                                       */
/*      fill_6.c                                         1.9             */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      All                                                              */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains common variables for the fill routines.       */
/*                                                                       */
/* AUTHOR                                                                */
/*                                                                       */
/*      Robert G. Burrill, Accelerated Technology, Inc.                  */
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* FUNCTIONS                                                             */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*		None                                                             */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*		   NAME            DATE                    REMARKS               */
/*                                                                       */
/*                                                                       */
/*************************************************************************/
#include "meta_wnd.h"
#include "metconst.h"    /* MetaWINDOW Constant & Stucture Definitions */
#include "metports.h"    /* MetaWINDOW Port & Bitmap Definitions */
#include "metaproc.h"
#include "grafdata.h"
#include "fill_6.h"


int lineCntM1;		/* line count (minus 1, dYmax-dYmin) */
int dstNextRow;		/* inc from end of row to start of next */
int byteCnt,bytCnt;	/* Destination byte count */
long *listPtr;		/* ptr to FILLREC.blitList */
void (*optPtr)(void);/* ptr to BLIT optimization routine */
grafMap *dstBmap;	/* ptr to dst bitmap */
int rectCnt;			/* FILLREC.blitCnt */
long lclPortMask;	/* working plane mask */
short cXmin, cYmin, cXmax, cYmax;	/* Clip rect */
short dXmin, dYmin, dXmax, dYmax;	/* Destination rect */
long *dstRowTablePtr;	/* pointer to destination row table */
char pnColr, bkColr;	/* background and foreground colors */
short pnColr16, bkColr16;	/* background and foreground 16-bit colors */
long pnColr24, bkColr24;	/* background and foreground 24-bit colors */
char dstBanked;		/* 1 if destination is banked */
char maskLf, maskRt;	/* left/right nibble mask for VGA-specific */
int dstBgnByte;		/* offset from start of row to first pixel to fill */


/* From Fill_var.h ********/
int loopCnt;			/* Working loop counter */
int byteCntM1;		/* Destination byte count (Minus 1) */
int dstClass;		/* Dst device class - EGA(0)/VGA(1) */
byte *dstBgnPtr;		/* ptr to 1st byte in 1st line to fill */

#include "regclipv.h"	/* variables for clipping macros */