fill_5.c

nucleus 文件系统,内核和彩色图形系统,在小系统上非常好用

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/*                                                                       */
/*         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.                                     */
/*                                                                       */
/*************************************************************************/

/*************************************************************************/
/*                                                                       */
/* FLLE NAME                                            VERSION          */
/*                                                                       */
/*      fill_5.c                                         1.9             */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      All                                                              */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains the common variable for fill routines.        */
/*                                                                       */
/* AUTHOR                                                                */
/*                                                                       */
/*      Giac Dinh, Accelerated Technology, Inc.                          */
/*                                                                       */
/* DATA STRUCTURES                                                       */
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/*      None                                                             */
/*                                                                       */
/* FUNCTIONS                                                             */
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/*      None                                                             */
/*                                                                       */
/* DEPENDENCIES                                                          */
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/*      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_5.h"


int BMHeight	;/* height of bitmap  */
int patRep		;/* every-8th-line count for patterns  */
int patRepDec	;/* adjust counter for patRep  */
pattern *patStart	;/* offset of pattern start  */
byte *ptrnData	;/* offset of pattern start  */
int patCnt		;/* counts down drawing of pattern bytes  */
byte * patPastMax	;/* marks when pattern pointer must wrap  */
int GCCurrentResetTable;/* offset of table to look up reg
							   reset values in when done  */
char localRop,pass2,patSetResetEnable,ropIsReplace;
				/* local copy of raster op, flag that's 1 when
				   2nd pass needed, or 0 otherwise (must not 
				   be any other value!), mono pattern set/reset 
				   enable value, 1 if raster op is rep or nrep, 
				   0 if it's any other rop (for FILL9)  */
char nonInvertPlanes,invertPlanes,onePassMask,multiExit;
				/* if 2-pass, planes to write on first,non-
				   inverted, pass & second, inverted pass,mask used
				   only for 1-pass that's0 if pattern can be used 
				   as is,0ffh if pattern must be flipped  */
int patBytesToRight;/* # of bytes from pattern starting
					      point (accounting for start X)
						  until wrap. 0 means the start byte
						  is the byte at the right edge of
					      the pattern  */
int patWidthInBytes;/* # of bytes across pattern (pattern
						  width must equal patWidthInBytes*8,
					      with no wasted pixels at the left  */
int patHeight	;/* # of bytes from pattern top->bottom  */
int patLength	;/* # of bytes in pattern  */
int tempDstNextRow;/* possibly-modified version of
						 dstNextRow used by EMSingleColumn
						 that is correct for 1-column-wide
						 drawing  */
int patPlaneOffset;/* # of bytes from one plane to the
						  next in current multicolor pattern  */
int fullLeftMask,fullRightMask;
						/* masks used for combining in FILL3  */
image *savePat;		/* pattern image */