340 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			340 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /* $Xorg: cfbwindow.c,v 1.4 2001/02/09 02:04:39 xorgcvs Exp $ */
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| /***********************************************************
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| 
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| Copyright 1987, 1998  The Open Group
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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| Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 
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|                         All Rights Reserved
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| 
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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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| 
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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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| ******************************************************************/
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| /* $XFree86: xc/programs/Xserver/cfb/cfbwindow.c,v 1.5tsi Exp $ */
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include <stdlib.h>
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| 
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| #include <X11/X.h>
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| #include "scrnintstr.h"
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| #include "windowstr.h"
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| #include "cfb.h"
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| #include "mistruct.h"
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| #include "regionstr.h"
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| #include "cfbmskbits.h"
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| 
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| Bool
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| cfbCreateWindow(pWin)
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|     WindowPtr pWin;
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| {
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|     cfbPrivWin *pPrivWin;
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| 
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|     pPrivWin = cfbGetWindowPrivate(pWin);
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|     pPrivWin->pRotatedBorder = NullPixmap;
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|     pPrivWin->pRotatedBackground = NullPixmap;
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|     pPrivWin->fastBackground = FALSE;
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|     pPrivWin->fastBorder = FALSE;
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|     pPrivWin->oldRotate.x = 0;
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|     pPrivWin->oldRotate.y = 0;
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| 
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| #ifdef PIXMAP_PER_WINDOW
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|     /* Setup pointer to Screen pixmap */
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|     pWin->devPrivates[frameWindowPrivateIndex].ptr =
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| 	(pointer) cfbGetScreenPixmap(pWin->drawable.pScreen);
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| #endif
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| 
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|     return TRUE;
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| }
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| 
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| Bool
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| cfbDestroyWindow(pWin)
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|     WindowPtr pWin;
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| {
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|     cfbPrivWin *pPrivWin;
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| 
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|     pPrivWin = cfbGetWindowPrivate(pWin);
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| 
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|     if (pPrivWin->pRotatedBorder)
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| 	(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder);
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|     if (pPrivWin->pRotatedBackground)
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| 	(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground);
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|     return(TRUE);
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| }
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| 
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| /*ARGSUSED*/
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| Bool
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| cfbMapWindow(pWindow)
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|     WindowPtr pWindow;
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| {
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|     return(TRUE);
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| }
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| 
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| /* (x, y) is the upper left corner of the window on the screen 
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|    do we really need to pass this?  (is it a;ready in pWin->absCorner?)
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|    we only do the rotation for pixmaps that are 32 bits wide (padded
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| or otherwise.)
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|    cfbChangeWindowAttributes() has already put a copy of the pixmap
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| in pPrivWin->pRotated*
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| */
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| /*ARGSUSED*/
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| Bool
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| cfbPositionWindow(pWin, x, y)
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|     WindowPtr pWin;
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|     int x, y;
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| {
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|     cfbPrivWin *pPrivWin;
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|     int setxy = 0;
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| 
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|     pPrivWin = cfbGetWindowPrivate(pWin);
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|     if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground)
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|     {
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| 	cfbXRotatePixmap(pPrivWin->pRotatedBackground,
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| 		      pWin->drawable.x - pPrivWin->oldRotate.x);
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| 	cfbYRotatePixmap(pPrivWin->pRotatedBackground,
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| 		      pWin->drawable.y - pPrivWin->oldRotate.y);
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| 	setxy = 1;
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|     }
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| 
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|     if (!pWin->borderIsPixel &&	pPrivWin->fastBorder)
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|     {
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| 	while (pWin->backgroundState == ParentRelative)
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| 	    pWin = pWin->parent;
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| 	cfbXRotatePixmap(pPrivWin->pRotatedBorder,
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| 		      pWin->drawable.x - pPrivWin->oldRotate.x);
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| 	cfbYRotatePixmap(pPrivWin->pRotatedBorder,
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| 		      pWin->drawable.y - pPrivWin->oldRotate.y);
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| 	setxy = 1;
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|     }
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|     if (setxy)
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|     {
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| 	pPrivWin->oldRotate.x = pWin->drawable.x;
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| 	pPrivWin->oldRotate.y = pWin->drawable.y;
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|     }
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|     return (TRUE);
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| }
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| 
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| /*ARGSUSED*/
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| Bool
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| cfbUnmapWindow(pWindow)
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|     WindowPtr pWindow;
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| {
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|     return (TRUE);
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| }
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| 
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| /* UNCLEAN!
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|    this code calls the bitblt helper code directly.
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| 
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|    cfbCopyWindow copies only the parts of the destination that are
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| visible in the source.
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| */
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| 
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| 
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| void 
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| cfbCopyWindow(pWin, ptOldOrg, prgnSrc)
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|     WindowPtr pWin;
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|     DDXPointRec ptOldOrg;
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|     RegionPtr prgnSrc;
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| {
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|     DDXPointPtr pptSrc;
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|     register DDXPointPtr ppt;
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|     RegionRec rgnDst;
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|     register BoxPtr pbox;
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|     register int dx, dy;
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|     register int i, nbox;
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|     WindowPtr pwinRoot;
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| 
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|     pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
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| 
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|     REGION_NULL(pWin->drawable.pScreen, &rgnDst);
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| 
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|     dx = ptOldOrg.x - pWin->drawable.x;
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|     dy = ptOldOrg.y - pWin->drawable.y;
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|     REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
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|     REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
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| 
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|     pbox = REGION_RECTS(&rgnDst);
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|     nbox = REGION_NUM_RECTS(&rgnDst);
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|     if(!nbox || !(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
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|     {
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| 	REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
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| 	return;
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|     }
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|     ppt = pptSrc;
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| 
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|     for (i = nbox; --i >= 0; ppt++, pbox++)
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|     {
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| 	ppt->x = pbox->x1 + dx;
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| 	ppt->y = pbox->y1 + dy;
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|     }
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| 
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|     cfbDoBitbltCopy((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
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| 		GXcopy, &rgnDst, pptSrc, ~0L);
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|     DEALLOCATE_LOCAL(pptSrc);
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|     REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
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| }
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| 
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| 
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| 
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| /* swap in correct PaintWindow* routine.  If we can use a fast output
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| routine (i.e. the pixmap is paddable to 32 bits), also pre-rotate a copy
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| of it in devPrivates[cfbWindowPrivateIndex].ptr.
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| */
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| Bool
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| cfbChangeWindowAttributes(pWin, mask)
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|     WindowPtr pWin;
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|     unsigned long mask;
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| {
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|     register unsigned long index;
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|     register cfbPrivWin *pPrivWin;
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|     int width;
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|     WindowPtr	pBgWin;
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| 
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|     pPrivWin = cfbGetWindowPrivate(pWin);
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| 
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|     /*
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|      * When background state changes from ParentRelative and
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|      * we had previously rotated the fast border pixmap to match
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|      * the parent relative origin, rerotate to match window
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|      */
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|     if (mask & (CWBackPixmap | CWBackPixel) &&
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| 	pWin->backgroundState != ParentRelative &&
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| 	pPrivWin->fastBorder &&
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| 	(pPrivWin->oldRotate.x != pWin->drawable.x ||
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| 	 pPrivWin->oldRotate.y != pWin->drawable.y))
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|     {
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| 	cfbXRotatePixmap(pPrivWin->pRotatedBorder,
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| 		      pWin->drawable.x - pPrivWin->oldRotate.x);
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| 	cfbYRotatePixmap(pPrivWin->pRotatedBorder,
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| 		      pWin->drawable.y - pPrivWin->oldRotate.y);
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| 	pPrivWin->oldRotate.x = pWin->drawable.x;
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| 	pPrivWin->oldRotate.y = pWin->drawable.y;
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|     }
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|     while(mask)
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|     {
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| 	index = lowbit (mask);
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| 	mask &= ~index;
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| 	switch(index)
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| 	{
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| 	case CWBackPixmap:
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| 	    if (pWin->backgroundState == None)
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| 	    {
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| 		pPrivWin->fastBackground = FALSE;
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| 	    }
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| 	    else if (pWin->backgroundState == ParentRelative)
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| 	    {
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| 		pPrivWin->fastBackground = FALSE;
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| 		/* Rotate border to match parent origin */
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| 		if (pPrivWin->pRotatedBorder) {
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| 		    for (pBgWin = pWin->parent;
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| 			 pBgWin->backgroundState == ParentRelative;
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| 			 pBgWin = pBgWin->parent);
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| 		    cfbXRotatePixmap(pPrivWin->pRotatedBorder,
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| 				  pBgWin->drawable.x - pPrivWin->oldRotate.x);
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| 		    cfbYRotatePixmap(pPrivWin->pRotatedBorder,
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| 				  pBgWin->drawable.y - pPrivWin->oldRotate.y);
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| 		    pPrivWin->oldRotate.x = pBgWin->drawable.x;
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| 		    pPrivWin->oldRotate.y = pBgWin->drawable.y;
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| 		}
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| 	    }
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| 	    else if (((width = (pWin->background.pixmap->drawable.width * PSZ))
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| 		      <= PGSZ) && !(width & (width - 1)))
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| 	    {
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| 		cfbCopyRotatePixmap(pWin->background.pixmap,
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| 				    &pPrivWin->pRotatedBackground,
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| 				    pWin->drawable.x,
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| 				    pWin->drawable.y);
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| 		if (pPrivWin->pRotatedBackground)
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| 		{
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| 		    pPrivWin->fastBackground = TRUE;
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| 		    pPrivWin->oldRotate.x = pWin->drawable.x;
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| 		    pPrivWin->oldRotate.y = pWin->drawable.y;
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| 		}
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| 		else
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| 		{
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| 		    pPrivWin->fastBackground = FALSE;
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| 		}
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| 	    }
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| 	    else
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| 	    {
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| 		pPrivWin->fastBackground = FALSE;
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| 	    }
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| 	    break;
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| 
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| 	case CWBackPixel:
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| 	    pPrivWin->fastBackground = FALSE;
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| 	    break;
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| 
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| 	case CWBorderPixmap:
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| 	    if (((width = (pWin->border.pixmap->drawable.width * PSZ)) <= PGSZ) &&
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| 		!(width & (width - 1)))
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| 	    {
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| 		for (pBgWin = pWin;
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| 		     pBgWin->backgroundState == ParentRelative;
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| 		     pBgWin = pBgWin->parent);
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| 		cfbCopyRotatePixmap(pWin->border.pixmap,
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| 				    &pPrivWin->pRotatedBorder,
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| 				    pBgWin->drawable.x,
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| 				    pBgWin->drawable.y);
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| 		if (pPrivWin->pRotatedBorder)
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| 		{
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| 		    pPrivWin->fastBorder = TRUE;
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| 		    pPrivWin->oldRotate.x = pBgWin->drawable.x;
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| 		    pPrivWin->oldRotate.y = pBgWin->drawable.y;
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| 		}
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| 		else
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| 		{
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| 		    pPrivWin->fastBorder = FALSE;
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| 		}
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| 	    }
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| 	    else
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| 	    {
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| 		pPrivWin->fastBorder = FALSE;
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| 	    }
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| 	    break;
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| 	 case CWBorderPixel:
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| 	    pPrivWin->fastBorder = FALSE;
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| 	    break;
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| 	}
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|     }
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|     return (TRUE);
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| }
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| 
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