Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / programs / Xserver / mfb / mfbmisc.c

diff --git a/Xserver/programs/Xserver/mfb/mfbmisc.c b/Xserver/programs/Xserver/mfb/mfbmisc.c
new file mode 100644 (file)
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+++ b/Xserver/programs/Xserver/mfb/mfbmisc.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: mfbmisc.c,v 5.4 94/04/17 20:28:27 dpw Exp $ */
+#include "X.h"
+#include "misc.h"
+#include "cursor.h"
+#include "scrnintstr.h"
+
+#include "mfb.h"
+
+/*ARGSUSED*/
+void
+mfbQueryBestSize(class, pwidth, pheight, pScreen)
+int class;
+unsigned short *pwidth;
+unsigned short *pheight;
+ScreenPtr pScreen;
+{
+    unsigned width, test;
+
+    switch(class)
+    {
+      case CursorShape:
+         if (*pwidth > pScreen->width)
+            *pwidth = pScreen->width;
+         if (*pheight > pScreen->height)
+            *pheight = pScreen->height;
+         break;
+      case TileShape:
+      case StippleShape:
+         width = *pwidth;
+         if (!width) break;
+         /* Return the closes power of two not less than what they gave me */
+         test = 0x80000000;
+         /* Find the highest 1 bit in the width given */
+         while(!(test & width))
+            test >>= 1;
+         /* If their number is greater than that, bump up to the next
+          *  power of two */
+         if((test - 1) & width)
+            test <<= 1;
+         *pwidth = test;
+         /* We don't care what height they use */
+         break;
+    }
+}
+