Initial revision

1 files changed, 145 insertions, 0 deletions

diff --git a/afb/afbpolypnt.c b/afb/afbpolypnt.c
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+/* $XFree86: xc/programs/Xserver/afb/afbpolypnt.c,v 3.1 1998/03/20 21:04:56 hohndel Exp $ */
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/***********************************************************
+
+Copyright (c) 1987  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $XConsortium: afbpolypnt.c,v 5.6 94/04/17 20:28:30 dpw Exp $ */
+
+#include "X.h"
+#include "Xprotostr.h"
+#include "pixmapstr.h"
+#include "gcstruct.h"
+#include "windowstr.h"
+#include "miscstruct.h"
+#include "regionstr.h"
+#include "scrnintstr.h"
+
+#include "afb.h"
+#include "maskbits.h"
+
+void
+afbPolyPoint(pDrawable, pGC, mode, npt, pptInit)
+	register DrawablePtr pDrawable;
+	GCPtr pGC;
+	int mode;				/* Origin or Previous */
+	int npt;
+	xPoint *pptInit;
+{
+
+	register BoxPtr pbox;
+	register int nbox;
+	register int d;
+
+	register PixelType *addrl;
+	PixelType *pBase;
+	PixelType *pBaseSave;
+	int nlwidth;
+	int sizeDst;
+	int depthDst;
+
+	int nptTmp;
+	register xPoint *ppt;
+
+	register int x;
+	register int y;
+	register unsigned char *rrops;
+	afbPrivGC *pGCPriv;
+
+	pGCPriv = (afbPrivGC *) pGC->devPrivates[afbGCPrivateIndex].ptr;
+
+	afbGetPixelWidthSizeDepthAndPointer(pDrawable, nlwidth, sizeDst, depthDst,
+													 pBaseSave);
+
+	rrops = pGCPriv->rrops;
+	if ((mode == CoordModePrevious) && (npt > 1))
+		for (ppt = pptInit + 1, nptTmp = npt - 1; --nptTmp >= 0; ppt++) {
+			ppt->x += (ppt-1)->x;
+			ppt->y += (ppt-1)->y;
+		}
+
+	nbox = REGION_NUM_RECTS(pGC->pCompositeClip);
+	pbox = REGION_RECTS(pGC->pCompositeClip);
+	for (; --nbox >= 0; pbox++)
+		for (d = 0, pBase = pBaseSave; d < depthDst; d++, pBase += sizeDst) {	/* @@@ NEXT PLANE @@@ */
+			addrl = pBase;
+
+			switch (rrops[d]) {
+				case RROP_BLACK:
+					for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
+						x = ppt->x + pDrawable->x;
+						y = ppt->y + pDrawable->y;
+						if ((x >= pbox->x1) && (x < pbox->x2) &&
+							(y >= pbox->y1) && (y < pbox->y2))
+							*afbScanline(addrl, x, y, nlwidth) &= rmask[x & PIM];
+					}
+					break;
+
+				case RROP_WHITE:
+					for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
+						x = ppt->x + pDrawable->x;
+						y = ppt->y + pDrawable->y;
+						if ((x >= pbox->x1) && (x < pbox->x2) &&
+							(y >= pbox->y1) && (y < pbox->y2))
+							*afbScanline(addrl, x, y, nlwidth) |= mask[x & PIM];
+					}
+					break;
+
+				case RROP_INVERT:
+					for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
+						x = ppt->x + pDrawable->x;
+						y = ppt->y + pDrawable->y;
+						if ((x >= pbox->x1) && (x < pbox->x2) &&
+							(y >= pbox->y1) && (y < pbox->y2))
+							*afbScanline(addrl, x, y, nlwidth) ^= mask[x & PIM];
+					}
+					break;
+
+				case RROP_NOP:
+					break;
+			} /* switch */
+		} /* for (d = ...) */
+}