248 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			248 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /* $XFree86: xc/programs/Xserver/ilbm/ilbmscrinit.c,v 3.4 1998/07/26 01:53:45 dawes Exp $ */
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| /***********************************************************
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| 
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| Copyright (c) 1987  X Consortium
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| 
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| Permission is hereby granted, free of charge, to any person obtaining a copy
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| of this software and associated documentation files (the "Software"), to deal
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| in the Software without restriction, including without limitation the rights
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| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| copies of the Software, and to permit persons to whom the Software is
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| furnished to do so, subject to the following conditions:
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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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| X CONSORTIUM 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 X Consortium 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 X Consortium.
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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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| /* $XConsortium: ilbmscrinit.c,v 5.17 94/04/17 20:28:34 dpw Exp $ */
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| 
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| /* Modified jun 95 by Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
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|    to use interleaved bitplanes instead of normal bitplanes */
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| 
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| #include "X.h"
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| #include "Xproto.h"		/* for xColorItem */
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| #include "Xmd.h"
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| #include "scrnintstr.h"
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| #include "pixmapstr.h"
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| #include "windowstr.h"
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| #include "resource.h"
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| #include "colormap.h"
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| #include "ilbm.h"
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| #include "mistruct.h"
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| #include "dix.h"
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| #include "mi.h"
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| #include "mibstore.h"
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| #include "migc.h"
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| #include "servermd.h"
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| 
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| #ifdef PIXMAP_PER_WINDOW
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| int frameWindowPrivateIndex;
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| #endif
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| int ilbmWindowPrivateIndex;
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| int ilbmGCPrivateIndex;
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| int ilbmScreenPrivateIndex;
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| 
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| static unsigned long ilbmGeneration = 0;
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| 
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| BSFuncRec ilbmBSFuncRec = {
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| 	ilbmSaveAreas,
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| 	ilbmRestoreAreas,
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| 	(BackingStoreSetClipmaskRgnProcPtr) 0,
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| 	(BackingStoreGetImagePixmapProcPtr) 0,
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| 	(BackingStoreGetSpansPixmapProcPtr) 0,
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| };
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| 
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| Bool
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| ilbmCloseScreen(index, pScreen)
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| 	int index;
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| 	ScreenPtr pScreen;
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| {
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| 	int d;
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| 	DepthPtr depths = pScreen->allowedDepths;
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| 
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| 	for (d = 0; d < pScreen->numDepths; d++)
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| 		xfree(depths[d].vids);
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| 	xfree(depths);
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| 	xfree(pScreen->visuals);
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| 	xfree(pScreen->devPrivates[ilbmScreenPrivateIndex].ptr);
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| 	return(TRUE);
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| }
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| 
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| Bool
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| ilbmCreateScreenResources(pScreen)
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| 	ScreenPtr pScreen;
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| {
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| 	Bool retval;
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| 
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| 	pointer oldDevPrivate = pScreen->devPrivate;
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| 
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| 	pScreen->devPrivate = pScreen->devPrivates[ilbmScreenPrivateIndex].ptr;
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| 	retval = miCreateScreenResources(pScreen);
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| 
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| 	/* Modify screen's pixmap devKind value stored off devPrivate to
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| 	 * be the width of a single plane in longs rather than the width
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| 	 * of a chunky screen in longs as incorrectly setup by the mi routine.
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| 	 */
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| 	((PixmapPtr)pScreen->devPrivate)->devKind = BitmapBytePad(pScreen->width);
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| 	pScreen->devPrivates[ilbmScreenPrivateIndex].ptr = pScreen->devPrivate;
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| 	pScreen->devPrivate = oldDevPrivate;
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| 	return(retval);
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| }
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| 
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| Bool
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| ilbmAllocatePrivates(pScreen, pWinIndex, pGCIndex)
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| 	ScreenPtr pScreen;
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| 	int *pWinIndex, *pGCIndex;
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| {
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| 	if (ilbmGeneration != serverGeneration) {
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| #ifdef PIXMAP_PER_WINDOW
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| 		frameWindowPrivateIndex = AllocateWindowPrivateIndex();
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| #endif
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| 		ilbmWindowPrivateIndex = AllocateWindowPrivateIndex();
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| 		ilbmGCPrivateIndex = AllocateGCPrivateIndex();
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| 		ilbmGeneration = serverGeneration;
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| 	}
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| 	if (pWinIndex)
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| 		*pWinIndex = ilbmWindowPrivateIndex;
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| 	if (pGCIndex)
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| 		*pGCIndex = ilbmGCPrivateIndex;
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| 
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| 	ilbmScreenPrivateIndex = AllocateScreenPrivateIndex();
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| 	pScreen->GetWindowPixmap = ilbmGetWindowPixmap;
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| 	pScreen->SetWindowPixmap = ilbmSetWindowPixmap;
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| 	return(AllocateWindowPrivate(pScreen, ilbmWindowPrivateIndex, sizeof(ilbmPrivWin)) &&
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| 	       AllocateGCPrivate(pScreen, ilbmGCPrivateIndex, sizeof(ilbmPrivGC)));
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| }
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| 
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| /* dts * (inch/dot) * (25.4 mm / inch) = mm */
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| Bool
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| ilbmScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width)
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| 	register ScreenPtr pScreen;
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| 	pointer pbits;			/* pointer to screen bitmap */
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| 	int xsize, ysize;		/* in pixels */
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| 	int dpix, dpiy;			/* dots per inch */
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| 	int width;			/* pixel width of frame buffer */
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| {
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| 	VisualPtr visuals;
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| 	DepthPtr depths;
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| 	int nvisuals;
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| 	int ndepths;
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| 	int rootdepth;
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| 	VisualID defaultVisual;
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| 	pointer oldDevPrivate;
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| 
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| 	rootdepth = 0;
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| 	if (!ilbmInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
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| 								&defaultVisual, 256, 8)) {
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| 		ErrorF("ilbmInitVisuals: FALSE\n");
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| 		return FALSE;
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| 	}
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| 	if (!ilbmAllocatePrivates(pScreen,(int *)NULL, (int *)NULL)) {
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| 		ErrorF("ilbmAllocatePrivates: FALSE\n");
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| 		return FALSE;
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| 	}
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| 
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| 	pScreen->defColormap = (Colormap)FakeClientID(0);
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| 	/* whitePixel, blackPixel */
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| 	pScreen->blackPixel = 0;
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| 	pScreen->whitePixel = 0;
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| 	pScreen->QueryBestSize = ilbmQueryBestSize;
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| 	/* SaveScreen */
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| 	pScreen->GetImage = ilbmGetImage;
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| 	pScreen->GetSpans = ilbmGetSpans;
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| 	pScreen->CreateWindow = ilbmCreateWindow;
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| 	pScreen->DestroyWindow = ilbmDestroyWindow;
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| 	pScreen->PositionWindow = ilbmPositionWindow;
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| 	pScreen->ChangeWindowAttributes = ilbmChangeWindowAttributes;
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| 	pScreen->RealizeWindow = ilbmMapWindow;
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| 	pScreen->UnrealizeWindow = ilbmUnmapWindow;
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| 	pScreen->PaintWindowBackground = ilbmPaintWindow;
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| 	pScreen->PaintWindowBorder = ilbmPaintWindow;
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| 	pScreen->CopyWindow = ilbmCopyWindow;
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| 	pScreen->CreatePixmap = ilbmCreatePixmap;
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| 	pScreen->DestroyPixmap = ilbmDestroyPixmap;
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| 	pScreen->RealizeFont = ilbmRealizeFont;
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| 	pScreen->UnrealizeFont = ilbmUnrealizeFont;
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| 	pScreen->CreateGC = ilbmCreateGC;
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| 	pScreen->CreateColormap = ilbmInitializeColormap;
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| 	pScreen->DestroyColormap = (void (*)())NoopDDA;
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| 	pScreen->InstallColormap = ilbmInstallColormap;
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| 	pScreen->UninstallColormap = ilbmUninstallColormap;
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| 	pScreen->ListInstalledColormaps = ilbmListInstalledColormaps;
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| 	pScreen->StoreColors = (void (*)())NoopDDA;
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| 	pScreen->ResolveColor = ilbmResolveColor;
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| 	pScreen->BitmapToRegion = ilbmPixmapToRegion;
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| 	oldDevPrivate = pScreen->devPrivate;
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| 	if (!miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width, rootdepth,
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| 			ndepths, depths, defaultVisual, nvisuals, visuals)) {
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| 		ErrorF("miScreenInit: FALSE\n");
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| 		return FALSE;
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| 	}
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| 
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| 	pScreen->CloseScreen = ilbmCloseScreen;
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| 	pScreen->CreateScreenResources = ilbmCreateScreenResources;
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| 	pScreen->BackingStoreFuncs = ilbmBSFuncRec;
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| 
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| 	pScreen->devPrivates[ilbmScreenPrivateIndex].ptr = pScreen->devPrivate;
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| 	pScreen->devPrivate = oldDevPrivate;
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| 
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| 	return TRUE;
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| }
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| 
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| PixmapPtr
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| ilbmGetWindowPixmap(pWin)
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|     WindowPtr pWin;
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| {
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| #ifdef PIXMAP_PER_WINDOW
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|     return (PixmapPtr)(pWin->devPrivates[frameWindowPrivateIndex].ptr);
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| #else
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|     ScreenPtr pScreen = pWin->drawable.pScreen;
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| 
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|     return (* pScreen->GetScreenPixmap)(pScreen);
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| #endif
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| }
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| 
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| void
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| ilbmSetWindowPixmap(pWin, pPix)
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|     WindowPtr pWin;
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|     PixmapPtr pPix;
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| {
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| #ifdef PIXMAP_PER_WINDOW
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|     pWin->devPrivates[frameWindowPrivateIndex].ptr = (pointer)pPix;
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| #else
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|     (* pWin->drawable.pScreen->SetScreenPixmap)(pPix);
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| #endif
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| }
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