158 lines
5.3 KiB
C
158 lines
5.3 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/ppcClip.c,v 1.4 1999/06/06 08:48:58 dawes Exp $ */
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/*
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Copyright (c) 1987 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the X Consortium.
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Copyright IBM Corporation 1987,1988,1989
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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 IBM 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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IBM 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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IBM 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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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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/* $XConsortium: ppcClip.c /main/4 1996/02/21 17:57:21 kaleb $ */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf4bpp.h"
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#include "mfbmap.h"
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#include "mfb.h"
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#include "scrnintstr.h"
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void
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xf4bppDestroyClip(pGC)
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GCPtr pGC;
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{
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if(pGC->clientClipType == CT_NONE)
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return;
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else if (pGC->clientClipType == CT_PIXMAP)
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{
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mfbDestroyPixmap((PixmapPtr)(pGC->clientClip));
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}
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else
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{
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/* we know we'll never have a list of rectangles, since
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ChangeClip immediately turns them into a region
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*/
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REGION_DESTROY(pGC->pScreen, pGC->clientClip);
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}
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pGC->clientClip = NULL;
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pGC->clientClipType = CT_NONE;
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}
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void
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xf4bppChangeClip(pGC, type, pvalue, nrects)
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GCPtr pGC;
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int type;
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pointer pvalue;
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int nrects;
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{
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xf4bppDestroyClip(pGC);
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if(type == CT_PIXMAP)
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{
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/* convert the pixmap to a region */
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pGC->clientClip = (pointer) (*pGC->pScreen->BitmapToRegion)((PixmapPtr)pvalue);
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/* you wouldn't do this if you were leaving the pixmap in
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rather than converting it.
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*/
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(*pGC->pScreen->DestroyPixmap)(pvalue);
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}
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else if (type == CT_REGION)
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{
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/* stuff the region in the GC */
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pGC->clientClip = pvalue;
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}
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else if (type != CT_NONE)
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{
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pGC->clientClip = (pointer) RECTS_TO_REGION(pGC->pScreen, nrects,
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(xRectangle *)pvalue,
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type);
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xfree(pvalue);
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}
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pGC->clientClipType = (type != CT_NONE && pGC->clientClip) ? CT_REGION :
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CT_NONE;
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pGC->stateChanges |= GCClipMask;
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}
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void
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xf4bppCopyClip (pgcDst, pgcSrc)
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GCPtr pgcDst, pgcSrc;
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{
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RegionPtr prgnNew;
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switch(pgcSrc->clientClipType)
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{
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case CT_PIXMAP:
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((PixmapPtr) pgcSrc->clientClip)->refcnt++;
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/* Fall through !! */
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case CT_NONE:
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xf4bppChangeClip(pgcDst, pgcSrc->clientClipType, pgcSrc->clientClip, 0);
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break;
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case CT_REGION:
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prgnNew = REGION_CREATE(pgcSrc->pScreen, NULL, 1);
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REGION_COPY(pgcSrc->pScreen, prgnNew, (RegionPtr)(pgcSrc->clientClip));
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xf4bppChangeClip(pgcDst, CT_REGION, (pointer)prgnNew, 0);
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break;
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}
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}
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