92 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
/***********************************************************
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Copyright 1987, 1998  The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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                        All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its 
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documentation for any purpose and without fee is hereby granted, 
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in 
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.  
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/* $Xorg: mfbmisc.c,v 1.4 2001/02/09 02:05:19 xorgcvs Exp $ */
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#include "X.h"
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#include "misc.h"
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#include "cursor.h"
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#include "scrnintstr.h"
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#include "mfb.h"
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/*ARGSUSED*/
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void
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mfbQueryBestSize(class, pwidth, pheight, pScreen)
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int class;
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unsigned short *pwidth;
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unsigned short *pheight;
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ScreenPtr pScreen;
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{
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    unsigned width, test;
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    switch(class)
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    {
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      case CursorShape:
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	  if (*pwidth > pScreen->width)
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	     *pwidth = pScreen->width;
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	  if (*pheight > pScreen->height)
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	     *pheight = pScreen->height;
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	  break;
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      case TileShape:
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      case StippleShape:
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	  width = *pwidth;
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	  if (!width) break;
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	  /* Return the closes power of two not less than what they gave me */
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	  test = 0x80000000;
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	  /* Find the highest 1 bit in the width given */
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	  while(!(test & width))
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	     test >>= 1;
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	  /* If their number is greater than that, bump up to the next
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	   *  power of two */
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	  if((test - 1) & width)
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	     test <<= 1;
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	  *pwidth = test;
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	  /* We don't care what height they use */
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	  break;
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    }
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}
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