Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / programs / Xserver / mi / mipoly.c

diff --git a/Xserver/programs/Xserver/mi/mipoly.c b/Xserver/programs/Xserver/mi/mipoly.c
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+++ b/Xserver/programs/Xserver/mi/mipoly.c
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+/***********************************************************
+
+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: mipoly.c,v 5.1 94/04/17 20:27:41 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);
+}