diff options
Diffstat (limited to 'hw/xfree86/xf4bpp/ppcClip.c')
| -rw-r--r-- | hw/xfree86/xf4bpp/ppcClip.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/hw/xfree86/xf4bpp/ppcClip.c b/hw/xfree86/xf4bpp/ppcClip.c new file mode 100644 index 000000000..cd307fe94 --- /dev/null +++ b/hw/xfree86/xf4bpp/ppcClip.c @@ -0,0 +1,153 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/ppcClip.c,v 1.5 1999/09/25 14:38:16 dawes Exp $ */ +/* + +Copyright (c) 1987 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from the X Consortium. + + +Copyright IBM Corporation 1987,1988,1989 +All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of IBM not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, +All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +*/ +/* $XConsortium: ppcClip.c /main/4 1996/02/21 17:57:21 kaleb $ */ + +#include "xf4bpp.h" +#include "mfbmap.h" +#include "mfb.h" +#include "scrnintstr.h" + +void +xf4bppDestroyClip(pGC) + GCPtr pGC; +{ + if(pGC->clientClipType == CT_NONE) + return; + else if (pGC->clientClipType == CT_PIXMAP) + { + mfbDestroyPixmap((PixmapPtr)(pGC->clientClip)); + } + else + { + /* we know we'll never have a list of rectangles, since + ChangeClip immediately turns them into a region + */ + REGION_DESTROY(pGC->pScreen, pGC->clientClip); + } + pGC->clientClip = NULL; + pGC->clientClipType = CT_NONE; +} + +void +xf4bppChangeClip(pGC, type, pvalue, nrects) + GCPtr pGC; + int type; + pointer pvalue; + int nrects; +{ + xf4bppDestroyClip(pGC); + if(type == CT_PIXMAP) + { + /* convert the pixmap to a region */ + pGC->clientClip = (pointer) (*pGC->pScreen->BitmapToRegion)((PixmapPtr)pvalue); + /* you wouldn't do this if you were leaving the pixmap in + rather than converting it. + */ + (*pGC->pScreen->DestroyPixmap)(pvalue); + } + else if (type == CT_REGION) + { + /* stuff the region in the GC */ + pGC->clientClip = pvalue; + } + else if (type != CT_NONE) + { + pGC->clientClip = (pointer) RECTS_TO_REGION(pGC->pScreen, nrects, + (xRectangle *)pvalue, + type); + xfree(pvalue); + } + pGC->clientClipType = (type != CT_NONE && pGC->clientClip) ? CT_REGION : + CT_NONE; + pGC->stateChanges |= GCClipMask; +} + +void +xf4bppCopyClip (pgcDst, pgcSrc) + GCPtr pgcDst, pgcSrc; +{ + RegionPtr prgnNew; + + switch(pgcSrc->clientClipType) + { + case CT_PIXMAP: + ((PixmapPtr) pgcSrc->clientClip)->refcnt++; + /* Fall through !! */ + case CT_NONE: + xf4bppChangeClip(pgcDst, pgcSrc->clientClipType, pgcSrc->clientClip, 0); + break; + case CT_REGION: + prgnNew = REGION_CREATE(pgcSrc->pScreen, NULL, 1); + REGION_COPY(pgcSrc->pScreen, prgnNew, (RegionPtr)(pgcSrc->clientClip)); + xf4bppChangeClip(pgcDst, CT_REGION, (pointer)prgnNew, 0); + break; + } +} |