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+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+
+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.
+
+******************************************************************/
+/* $Xorg: mfbpolypnt.c,v 1.4 2001/02/09 02:05:19 xorgcvs 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 "mfb.h"
+#include "maskbits.h"
+
+void
+mfbPolyPoint(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 PixelType *addrl;
+ int nlwidth;
+
+ int nptTmp;
+ register xPoint *ppt;
+
+ register int x;
+ register int y;
+ register int rop;
+ mfbPrivGC *pGCPriv;
+
+ if (!(pGC->planemask & 1))
+ return;
+
+ pGCPriv = (mfbPrivGC *) pGC->devPrivates[mfbGCPrivateIndex].ptr;
+ rop = pGCPriv->rop;
+
+ mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrl);
+
+ 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(pGCPriv->pCompositeClip);
+ pbox = REGION_RECTS(pGCPriv->pCompositeClip);
+ for (; --nbox >= 0; pbox++)
+ {
+ if (rop == 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))
+ *mfbScanline(addrl, x, y, nlwidth) &= rmask[x & PIM];
+ }
+ }
+ else if (rop == 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))
+ *mfbScanline(addrl, x, y, nlwidth) |= mask[x & PIM];
+ }
+ }
+ else if (rop == 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))
+ *mfbScanline(addrl, x, y, nlwidth) ^= mask[x & PIM];
+ }
+ }
+ }
+}