320 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			320 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
| /* $XFree86$ */
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| /* $XConsortium: ilbmwindow.c,v 5.14 94/04/17 20:28:36 dpw Exp $ */
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| /* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
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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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| 
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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 "scrnintstr.h"
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| #include "windowstr.h"
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| #include "ilbm.h"
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| #include "mistruct.h"
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| #include "regionstr.h"
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| #include "maskbits.h"
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| 
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| extern WindowPtr *WindowTable;
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| 
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| Bool
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| ilbmCreateWindow(pWin)
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| 	register WindowPtr pWin;
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| {
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| 	register ilbmPrivWin *pPrivWin;
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| 
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| 	pPrivWin = (ilbmPrivWin *)(pWin->devPrivates[ilbmWindowPrivateIndex].ptr);
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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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| #ifdef PIXMAP_PER_WINDOW
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| 	pWin->devPrivates[frameWindowPrivateIndex].ptr =
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| 			pWin->pDrawable.pScreen->devPrivates[ilbmScreenPrivateIndex].ptr;
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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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| /* This always returns true, because Xfree can't fail.  It might be possible
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|  * on some devices for Destroy to fail */
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| Bool
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| ilbmDestroyWindow(pWin)
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| 	WindowPtr pWin;
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| {
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| 	register ilbmPrivWin *pPrivWin;
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| 
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| 	pPrivWin = (ilbmPrivWin *)(pWin->devPrivates[ilbmWindowPrivateIndex].ptr);
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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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| 
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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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| ilbmMapWindow(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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|    ilbmChangeWindowAttributes() has already put a copy of the pixmap
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| in pPrivWin->pRotated*
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| */
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| 
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| /*ARGSUSED*/
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| Bool
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| ilbmPositionWindow(pWin, x, y)
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| 	WindowPtr pWin;
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| 	int x, y;
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| {
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| 	register ilbmPrivWin *pPrivWin;
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| 	int		reset = 0;
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| 
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| 	pPrivWin = (ilbmPrivWin *)(pWin->devPrivates[ilbmWindowPrivateIndex].ptr);
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| 	if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground) {
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| 		ilbmXRotatePixmap(pPrivWin->pRotatedBackground,
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| 								pWin->drawable.x - pPrivWin->oldRotate.x);
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| 		ilbmYRotatePixmap(pPrivWin->pRotatedBackground,
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| 								pWin->drawable.y - pPrivWin->oldRotate.y);
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| 		reset = 1;
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| 	}
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| 
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| 	if (!pWin->borderIsPixel && pPrivWin->fastBorder) {
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| 		while (pWin->backgroundState == ParentRelative)
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| 			pWin = pWin->parent;
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| 		ilbmXRotatePixmap(pPrivWin->pRotatedBorder,
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| 								pWin->drawable.x - pPrivWin->oldRotate.x);
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| 		ilbmYRotatePixmap(pPrivWin->pRotatedBorder,
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| 								pWin->drawable.y - pPrivWin->oldRotate.y);
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| 		reset = 1;
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| 	}
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| 	if (reset) {
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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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| 
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| 	/* This is the "wrong" fix to the right problem, but it doesn't really
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| 	 * cost very much.  When the window is moved, we need to invalidate any
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| 	 * RotatedPixmap that exists in any GC currently validated against this
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| 	 * window.
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| 	 */
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| 	pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
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| 
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| 	/* Again, we have no failure modes indicated by any of the routines
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| 	 * we've called, so we have to assume it worked */
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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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| ilbmUnmapWindow(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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|    ilbmCopyWindow 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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| ilbmCopyWindow(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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| 	RegionPtr prgnDst;
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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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| 	prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1);
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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, prgnDst, &pWin->borderClip,
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| 						  prgnSrc);
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| 
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| 	pbox = REGION_RECTS(prgnDst);
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| 	nbox = REGION_NUM_RECTS(prgnDst);
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| 	if (!(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
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| 		return;
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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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| 		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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| 	ilbmDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot, GXcopy, prgnDst,
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| 					 pptSrc, ~0);
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| 	DEALLOCATE_LOCAL(pptSrc);
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| 	REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
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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 devPrivate.
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| */
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| Bool
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| ilbmChangeWindowAttributes(pWin, mask)
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| 	register WindowPtr pWin;
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| 	register unsigned long mask;
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| {
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| 	register unsigned long index;
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| 	register ilbmPrivWin *pPrivWin;
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| 	WindowPtr		pBgWin;
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| 
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| 	pPrivWin = (ilbmPrivWin *)(pWin->devPrivates[ilbmWindowPrivateIndex].ptr);
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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 && 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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| 		ilbmXRotatePixmap(pPrivWin->pRotatedBorder,
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| 								pWin->drawable.x - pPrivWin->oldRotate.x);
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| 		ilbmYRotatePixmap(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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| 		index = lowbit (mask);
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| 		mask &= ~index;
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| 		switch (index) {
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| 			case CWBackPixmap:
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| 				if (pWin->backgroundState == None)
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| 					pPrivWin->fastBackground = FALSE;
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| 				else if (pWin->backgroundState == ParentRelative) {
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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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| 						ilbmXRotatePixmap(pPrivWin->pRotatedBorder,
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| 												pBgWin->drawable.x - pPrivWin->oldRotate.x);
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| 						ilbmYRotatePixmap(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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| 				} else if ((pWin->background.pixmap->drawable.width <= PPW) &&
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| 							  !(pWin->background.pixmap->drawable.width &
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| 								 (pWin->background.pixmap->drawable.width - 1))) {
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| 					ilbmCopyRotatePixmap(pWin->background.pixmap,
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| 												&pPrivWin->pRotatedBackground,
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| 												pWin->drawable.x, pWin->drawable.y);
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| 					if (pPrivWin->pRotatedBackground) {
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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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| 					} else
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| 						pPrivWin->fastBackground = FALSE;
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| 				} else
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| 					pPrivWin->fastBackground = FALSE;
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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 ((pWin->border.pixmap->drawable.width <= PPW) &&
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| 					 !(pWin->border.pixmap->drawable.width &
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| 						(pWin->border.pixmap->drawable.width - 1))) {
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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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| 					ilbmCopyRotatePixmap(pWin->border.pixmap,
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| 												&pPrivWin->pRotatedBorder,
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| 												pBgWin->drawable.x, pBgWin->drawable.y);
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| 					if (pPrivWin->pRotatedBorder) {
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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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| 					} else
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| 						pPrivWin->fastBorder = FALSE;
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| 				} else
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| 					pPrivWin->fastBorder = FALSE;
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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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| 	/* Again, we have no failure modes indicated by any of the routines
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| 	 * we've called, so we have to assume it worked */
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| 	return (TRUE);
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| }
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