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- /***********************************************************
- Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
- and the Massachusetts Institute of Technology, Cambridge, 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 names of Digital or MIT 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: mipoly.c,v 5.0 89/06/09 15:08:32 keith Exp $ */
- /*
- * mipoly.c
- *
- * Written by Brian Kelleher; June 1986
- *
- * Draw polygons. This routine translates the point by the
- * origin if pGC->miTranslate is non-zero, and calls
- * to the appropriate routine to actually scan convert the
- * polygon.
- */
- #include "X.h"
- #include "windowstr.h"
- #include "gcstruct.h"
- #include "pixmapstr.h"
- #include "mi.h"
- #include "miscstruct.h"
-
-
- void
- miFillPolygon(dst, pgc, shape, mode, count, pPts)
- DrawablePtr dst;
- register GCPtr pgc;
- int shape, mode;
- register int count;
- DDXPointPtr pPts;
- {
- int i;
- register int xorg, yorg;
- register DDXPointPtr ppt;
-
- if (count == 0)
- return;
-
- ppt = pPts;
- if (pgc->miTranslate)
- {
- xorg = dst->x;
- yorg = dst->y;
-
- if (mode == CoordModeOrigin)
- {
- for (i = 0; i<count; i++)
- {
- ppt->x += xorg;
- ppt++->y += yorg;
- }
- }
- else
- {
- ppt->x += xorg;
- ppt++->y += yorg;
- for (i = 1; i<count; i++)
- {
- ppt->x += (ppt-1)->x;
- ppt->y += (ppt-1)->y;
- ppt++;
- }
- }
- }
- else
- {
- if (mode == CoordModePrevious)
- {
- ppt++;
- for (i = 1; i<count; i++)
- {
- ppt->x += (ppt-1)->x;
- ppt->y += (ppt-1)->y;
- ppt++;
- }
- }
- }
- if (shape == Convex)
- miFillConvexPoly(dst, pgc, count, pPts);
- else
- miFillGeneralPoly(dst, pgc, count, pPts);
- }
-