Importing xserver from X.Org 7.2RC2

1 files changed, 128 insertions, 0 deletions

diff --git a/xserver/mi/mipoly.c b/xserver/mi/mipoly.c
new file mode 100644
index 000000000..b514b5ed2
--- /dev/null
+++ b/xserver/mi/mipoly.c
@@ -0,0 +1,128 @@
+/* $XFree86$ */
+/***********************************************************
+
+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.
+
+******************************************************************/
+/*
+ *  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.
+ */
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "mi.h"
+#include "regionstr.h"
+
+
+_X_EXPORT 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);
+}