147 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
| /* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
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| /***********************************************************
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| 
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| Copyright (c) 1987  X Consortium
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| 
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| Permission is hereby granted, free of charge, to any person obtaining a copy
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| of this software and associated documentation files (the "Software"), to deal
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| in the Software without restriction, including without limitation the rights
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| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| copies of the Software, and to permit persons to whom the Software is
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| furnished to do so, subject to the following conditions:
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of the X Consortium shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from the X Consortium.
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| 
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| 
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| Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 
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|                         All Rights Reserved
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| 
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| Permission to use, copy, modify, and distribute this software and its
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| documentation for any purpose and without fee is hereby granted,
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| provided that the above copyright notice appear in all copies and that
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| both that copyright notice and this permission notice appear in
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| supporting documentation, and that the name of Digital not be
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| used in advertising or publicity pertaining to distribution of the
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| software without specific, written prior permission.
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| 
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| DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| SOFTWARE.
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| 
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| ******************************************************************/
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include <X11/X.h>
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| #include <X11/Xprotostr.h>
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| #include "pixmapstr.h"
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| #include "gcstruct.h"
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| #include "windowstr.h"
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| #include "regionstr.h"
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| #include "scrnintstr.h"
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| 
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| #include "afb.h"
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| #include "maskbits.h"
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| 
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| void
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| afbPolyPoint(pDrawable, pGC, mode, npt, pptInit)
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| 	register DrawablePtr pDrawable;
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| 	GCPtr pGC;
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| 	int mode;				/* Origin or Previous */
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| 	int npt;
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| 	xPoint *pptInit;
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| {
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| 
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| 	register BoxPtr pbox;
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| 	register int nbox;
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| 	register int d;
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| 
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| 	register PixelType *addrl;
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| 	PixelType *pBase;
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| 	PixelType *pBaseSave;
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| 	int nlwidth;
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| 	int sizeDst;
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| 	int depthDst;
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| 
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| 	int nptTmp;
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| 	register xPoint *ppt;
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| 
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| 	register int x;
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| 	register int y;
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| 	register unsigned char *rrops;
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| 	afbPrivGC *pGCPriv;
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| 
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| 	pGCPriv = (afbPrivGC *) pGC->devPrivates[afbGCPrivateIndex].ptr;
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| 
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| 	afbGetPixelWidthSizeDepthAndPointer(pDrawable, nlwidth, sizeDst, depthDst,
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| 													 pBaseSave);
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| 
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| 	rrops = pGCPriv->rrops;
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| 	if ((mode == CoordModePrevious) && (npt > 1))
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| 		for (ppt = pptInit + 1, nptTmp = npt - 1; --nptTmp >= 0; ppt++) {
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| 			ppt->x += (ppt-1)->x;
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| 			ppt->y += (ppt-1)->y;
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| 		}
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| 
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| 	nbox = REGION_NUM_RECTS(pGC->pCompositeClip);
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| 	pbox = REGION_RECTS(pGC->pCompositeClip);
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| 	for (; --nbox >= 0; pbox++)
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| 		for (d = 0, pBase = pBaseSave; d < depthDst; d++, pBase += sizeDst) {	/* @@@ NEXT PLANE @@@ */
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| 			addrl = pBase;
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| 
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| 			switch (rrops[d]) {
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| 				case RROP_BLACK:
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| 					for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
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| 						x = ppt->x + pDrawable->x;
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| 						y = ppt->y + pDrawable->y;
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| 						if ((x >= pbox->x1) && (x < pbox->x2) &&
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| 							(y >= pbox->y1) && (y < pbox->y2))
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| 							*afbScanline(addrl, x, y, nlwidth) &= mfbGetrmask(x & PIM);
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| 					}
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| 					break;
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| 
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| 				case RROP_WHITE:
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| 					for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
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| 						x = ppt->x + pDrawable->x;
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| 						y = ppt->y + pDrawable->y;
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| 						if ((x >= pbox->x1) && (x < pbox->x2) &&
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| 							(y >= pbox->y1) && (y < pbox->y2))
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| 							*afbScanline(addrl, x, y, nlwidth) |= mfbGetmask(x & PIM);
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| 					}
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| 					break;
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| 
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| 				case RROP_INVERT:
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| 					for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
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| 						x = ppt->x + pDrawable->x;
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| 						y = ppt->y + pDrawable->y;
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| 						if ((x >= pbox->x1) && (x < pbox->x2) &&
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| 							(y >= pbox->y1) && (y < pbox->y2))
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| 							*afbScanline(addrl, x, y, nlwidth) ^= mfbGetmask(x & PIM);
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| 					}
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| 					break;
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| 
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| 				case RROP_NOP:
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| 					break;
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| 			} /* switch */
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| 		} /* for (d = ...) */
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| }
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