Import X server from vnc-3.3.7.

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

diff --git a/Xserver/programs/Xserver/mi/mifillrct.c b/Xserver/programs/Xserver/mi/mifillrct.c
new file mode 100644 (file)
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+++ b/Xserver/programs/Xserver/mi/mifillrct.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: mifillrct.c,v 5.1 94/04/17 20:27:34 keith Exp $ */
+
+#include "X.h"
+#include "Xprotostr.h"
+#include "gcstruct.h"
+#include "windowstr.h"
+#include "pixmap.h"
+
+#include "misc.h"
+
+/* mi rectangles
+   written by newman, with debts to all and sundry
+*/
+
+/* MIPOLYFILLRECT -- public entry for PolyFillRect request
+ * very straight forward: translate rectangles if necessary
+ * then call FillSpans to fill each rectangle.  We let FillSpans worry about
+ * clipping to the destination
+ */
+void
+miPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
+    DrawablePtr        pDrawable;
+    GCPtr      pGC;
+    int                nrectFill;      /* number of rectangles to fill */
+    xRectangle *prectInit;     /* Pointer to first rectangle to fill */
+{
+    int i;
+    register int       height;
+    register int       width;
+    register xRectangle *prect; 
+    int                        xorg;
+    register int       yorg;
+    int                        maxheight;
+    DDXPointPtr                pptFirst;
+    register DDXPointPtr ppt;
+    int                        *pwFirst;
+    register int       *pw;
+
+    if (pGC->miTranslate)
+    {
+       xorg = pDrawable->x;
+       yorg = pDrawable->y;
+        prect = prectInit;
+        maxheight = 0;
+        for (i = 0; i<nrectFill; i++, prect++)
+        {
+           prect->x += xorg;
+           prect->y += yorg;
+           maxheight = max(maxheight, prect->height);
+        }
+    }
+    else
+    {
+        prect = prectInit;
+        maxheight = 0;
+        for (i = 0; i<nrectFill; i++, prect++)
+           maxheight = max(maxheight, prect->height);
+    }
+
+    pptFirst = (DDXPointPtr) ALLOCATE_LOCAL(maxheight * sizeof(DDXPointRec));
+    pwFirst = (int *) ALLOCATE_LOCAL(maxheight * sizeof(int));
+    if(!pptFirst || !pwFirst)
+    {
+       if (pwFirst) DEALLOCATE_LOCAL(pwFirst);
+       if (pptFirst) DEALLOCATE_LOCAL(pptFirst);
+       return;
+    }
+
+    prect = prectInit;
+    while(nrectFill--)
+    {
+       ppt = pptFirst;
+       pw = pwFirst;
+       height = prect->height;
+       width = prect->width;
+       xorg = prect->x;
+       yorg = prect->y;
+       while(height--)
+       {
+           *pw++ = width;
+           ppt->x = xorg;
+           ppt->y = yorg;
+           ppt++;
+           yorg++;
+       }
+       (* pGC->ops->FillSpans)(pDrawable, pGC, 
+                          prect->height, pptFirst, pwFirst,
+                          1);
+       prect++;
+    }
+    DEALLOCATE_LOCAL(pwFirst);
+    DEALLOCATE_LOCAL(pptFirst);
+}