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Diffstat (limited to 'mi/mipoly.c')
| -rw-r--r-- | mi/mipoly.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/mi/mipoly.c b/mi/mipoly.c new file mode 100644 index 000000000..b25ee780f --- /dev/null +++ b/mi/mipoly.c @@ -0,0 +1,124 @@ +/*********************************************************** + +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: mipoly.c,v 1.4 2001/02/09 02:05:21 xorgcvs 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); +} |