129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
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/* $XFree86$ */
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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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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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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OPEN GROUP 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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Except as contained in this notice, the name of The Open Group 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 Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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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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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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* mipoly.c
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*
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* Written by Brian Kelleher; June 1986
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*
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* Draw polygons. This routine translates the point by the
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* origin if pGC->miTranslate is non-zero, and calls
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* to the appropriate routine to actually scan convert the
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* polygon.
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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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#include <X11/X.h>
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#include "windowstr.h"
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#include "gcstruct.h"
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#include "pixmapstr.h"
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#include "mi.h"
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#include "regionstr.h"
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_X_EXPORT void
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miFillPolygon(dst, pgc, shape, mode, count, pPts)
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DrawablePtr dst;
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register GCPtr pgc;
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int shape, mode;
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register int count;
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DDXPointPtr pPts;
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{
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int i;
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register int xorg, yorg;
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register DDXPointPtr ppt;
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if (count == 0)
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return;
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ppt = pPts;
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if (pgc->miTranslate)
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{
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xorg = dst->x;
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yorg = dst->y;
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if (mode == CoordModeOrigin)
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{
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for (i = 0; i<count; i++)
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{
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ppt->x += xorg;
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ppt++->y += yorg;
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}
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}
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else
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{
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ppt->x += xorg;
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ppt++->y += yorg;
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for (i = 1; i<count; i++)
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{
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ppt->x += (ppt-1)->x;
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ppt->y += (ppt-1)->y;
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ppt++;
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}
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}
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}
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else
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{
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if (mode == CoordModePrevious)
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{
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ppt++;
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for (i = 1; i<count; i++)
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{
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ppt->x += (ppt-1)->x;
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ppt->y += (ppt-1)->y;
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ppt++;
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}
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}
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}
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if (shape == Convex)
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miFillConvexPoly(dst, pgc, count, pPts);
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else
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miFillGeneralPoly(dst, pgc, count, pPts);
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}
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