420 lines
11 KiB
C
420 lines
11 KiB
C
/* $Xorg: PsGC.c,v 1.4 2001/02/09 02:04:36 xorgcvs Exp $ */
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/*
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Copyright 1996, 1998 The Open Group
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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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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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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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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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* (c) Copyright 1996 Hewlett-Packard Company
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* (c) Copyright 1996 International Business Machines Corp.
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* (c) Copyright 1996 Sun Microsystems, Inc.
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* (c) Copyright 1996 Novell, Inc.
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* (c) Copyright 1996 Digital Equipment Corp.
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* (c) Copyright 1996 Fujitsu Limited
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* (c) Copyright 1996 Hitachi, Ltd.
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*
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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
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* to the following conditions:
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*
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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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*
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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
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* THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the names of the copyright holders
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* shall not be used in advertising or otherwise to promote the sale, use
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* or other dealings in this Software without prior written authorization
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* from said copyright holders.
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*/
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/*******************************************************************
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**
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** *********************************************************
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** *
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** * File: PsGC.c
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** *
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** * Contents: Graphics Context handling for the PS driver
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** *
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** * Created By: Roger Helmendach (Liberty Systems)
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** *
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** * Copyright: Copyright 1996 The Open Group, Inc.
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** *
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** *********************************************************
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**
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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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#include "Ps.h"
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#include "gcstruct.h"
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#include "pixmapstr.h"
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#include "windowstr.h"
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#include "migc.h"
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#include "scrnintstr.h"
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static GCOps PsGCOps =
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{
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PsFillSpans,
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PsSetSpans,
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PsPutImage,
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PsCopyArea,
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PsCopyPlane,
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PsPolyPoint,
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PsPolyLine,
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PsPolySegment,
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PsPolyRectangle,
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PsPolyArc,
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PsFillPolygon,
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PsPolyFillRect,
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PsPolyFillArc,
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PsPolyText8,
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PsPolyText16,
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PsImageText8,
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PsImageText16,
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PsImageGlyphBlt,
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PsPolyGlyphBlt,
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PsPushPixels
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#ifdef NEED_LINEHELPER
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,NULL
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#endif
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};
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static GCFuncs PsGCFuncs =
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{
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PsValidateGC,
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PsChangeGC,
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PsCopyGC,
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PsDestroyGC,
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PsChangeClip,
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PsDestroyClip,
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PsCopyClip
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};
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Bool
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PsCreateGC(pGC)
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GCPtr pGC;
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{
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pGC->clientClip = NULL;
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pGC->clientClipType = CT_NONE;
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pGC->ops = &PsGCOps;
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pGC->funcs = &PsGCFuncs;
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pGC->clientClip = (pointer)xalloc(sizeof(PsClipRec));
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memset(pGC->clientClip, 0, sizeof(PsClipRec));
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return TRUE;
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}
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static int
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PsGetDrawablePrivateStuff(
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DrawablePtr pDrawable,
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GC *gc,
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unsigned long *valid,
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PsOutPtr *psOut,
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ColormapPtr *cMap)
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{
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XpContextPtr pCon;
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PsContextPrivPtr cPriv;
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PsScreenPrivPtr sPriv;
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switch(pDrawable->type)
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{
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case DRAWABLE_PIXMAP:
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return FALSE;
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case DRAWABLE_WINDOW:
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pCon = PsGetContextFromWindow((WindowPtr)pDrawable);
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if( pCon==NULL ) return FALSE;
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else
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{
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Colormap c;
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ColormapPtr cmap;
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c = wColormap((WindowPtr)pDrawable);
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cmap = (ColormapPtr)LookupIDByType(c, RT_COLORMAP);
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cPriv = pCon->devPrivates[PsContextPrivateIndex].ptr;
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sPriv = (PsScreenPrivPtr)
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pDrawable->pScreen->devPrivates[PsScreenPrivateIndex].ptr;
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*gc = cPriv->lastGC;
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*valid = cPriv->validGC;
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*psOut = cPriv->pPsOut;
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*cMap = cmap;
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return TRUE;
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}
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default:
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return FALSE;
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}
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}
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PsContextPrivPtr
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PsGetPsContextPriv( DrawablePtr pDrawable )
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{
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XpContextPtr pCon;
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PsContextPrivPtr cPriv;
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switch(pDrawable->type)
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{
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case DRAWABLE_PIXMAP:
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return FALSE;
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case DRAWABLE_WINDOW:
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pCon = PsGetContextFromWindow((WindowPtr)pDrawable);
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if (pCon != NULL)
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{
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return pCon->devPrivates[PsContextPrivateIndex].ptr;
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}
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}
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return NULL;
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}
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int
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PsUpdateDrawableGC(
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GCPtr pGC,
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DrawablePtr pDrawable,
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PsOutPtr *psOut,
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ColormapPtr *cMap)
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{
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GC dGC;
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unsigned long valid;
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int i;
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PsContextPrivPtr cPriv;
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BoxPtr boxes;
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if (!PsGetDrawablePrivateStuff(pDrawable, &dGC, &valid, psOut, cMap))
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return FALSE;
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switch (pDrawable->type) {
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case DRAWABLE_PIXMAP:
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/* we don't support pixmaps yet! */
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return FALSE;
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break;
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case DRAWABLE_WINDOW:
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if( pGC )
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{
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RegionPtr pReg;
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WindowPtr pWin = (WindowPtr)pDrawable;
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Bool freeClip;
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PsClipPtr clp = (PsClipPtr)pGC->clientClip;
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if( clp->outterClips )
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{ xfree(clp->outterClips); clp->outterClips = 0; }
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clp->nOutterClips = 0;
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if( pGC->subWindowMode==IncludeInferiors )
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{
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pReg = NotClippedByChildren(pWin);
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freeClip = TRUE;
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}
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else
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{
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pReg = &pWin->clipList;
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freeClip = FALSE;
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}
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if( pReg->data )
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{
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boxes = (BoxPtr)((char *)pReg->data+sizeof(long)*2);
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clp->nOutterClips = pReg->data->numRects;
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clp->outterClips =
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(PsRectPtr)xalloc(clp->nOutterClips*sizeof(PsRectRec));
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for( i=0 ; i<clp->nOutterClips ; i++ )
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{
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clp->outterClips[i].x = boxes[i].x1;
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clp->outterClips[i].y = boxes[i].y1;
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clp->outterClips[i].w = (boxes[i].x2-boxes[i].x1)+1;
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clp->outterClips[i].h = (boxes[i].y2-boxes[i].y1)+1;
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}
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}
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if( freeClip ) REGION_DESTROY(pGC->pScreen, pReg);
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PsOut_Offset(*psOut, pDrawable->x, pDrawable->y);
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PsOut_Clip(*psOut, pGC->clientClipType, (PsClipPtr)pGC->clientClip);
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}
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cPriv = ( PsGetContextFromWindow( (WindowPtr)pDrawable ) )
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->devPrivates[PsContextPrivateIndex].ptr;
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break;
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}
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return TRUE;
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}
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void
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PsValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable)
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{
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pGC->ops = &PsGCOps;
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}
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void
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PsChangeGC(GCPtr pGC, unsigned long changes)
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{
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}
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void
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PsCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst)
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{
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}
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void
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PsDestroyGC(GCPtr pGC)
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{
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PsDestroyClip(pGC);
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xfree(pGC->clientClip);
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}
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void
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PsChangeClip(GCPtr pGC, int type, pointer pValue, int nrects)
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{
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int i;
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PsClipPtr clp = (PsClipPtr)pGC->clientClip;
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RegionPtr rgn;
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BoxPtr boxes;
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xRectangle *rects;
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PsDestroyClip(pGC);
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pGC->clientClipType = type;
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switch(type)
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{
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case CT_NONE: break;
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case CT_PIXMAP:
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clp->elms = PsCreateFillElementList((PixmapPtr)pValue, &clp->nElms);
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(*pGC->pScreen->DestroyPixmap)((PixmapPtr)pValue);
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break;
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case CT_REGION:
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rgn = (RegionPtr)pValue;
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boxes = (BoxPtr)((char *)rgn->data+sizeof(long)*2);
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clp->nRects = rgn->data->numRects;
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clp->rects = (PsRectPtr)xalloc(clp->nRects*sizeof(PsRectRec));
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for( i=0 ; i<clp->nRects ; i++ )
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{
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clp->rects[i].x = boxes[i].x1;
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clp->rects[i].y = boxes[i].y1;
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clp->rects[i].w = (boxes[i].x2-boxes[i].x1)+1;
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clp->rects[i].h = (boxes[i].y2-boxes[i].y1)+1;
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}
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REGION_DESTROY(pGC->pScreen, (RegionPtr)pValue);
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break;
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case CT_UNSORTED:
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case CT_YSORTED:
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case CT_YXSORTED:
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case CT_YXBANDED:
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rects = (xRectangle *)pValue;
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clp->nRects = nrects;
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clp->rects = (PsRectPtr)xalloc(clp->nRects*sizeof(PsRectRec));
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for( i=0 ; i<clp->nRects ; i++ )
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{
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clp->rects[i].x = rects[i].x;
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clp->rects[i].y = rects[i].y;
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clp->rects[i].w = rects[i].width;
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clp->rects[i].h = rects[i].height;
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}
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xfree(pValue);
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break;
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}
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}
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void
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PsDestroyClip(GCPtr pGC)
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{
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PsClipPtr clp = (PsClipPtr)pGC->clientClip;
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if( clp->rects ) xfree(clp->rects);
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if( clp->outterClips ) xfree(clp->outterClips);
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clp->rects = (PsRectPtr)0;
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clp->outterClips = (PsRectPtr)0;
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clp->nRects = 0;
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clp->nOutterClips = 0;
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if( clp->elms ) PsDestroyFillElementList(clp->nElms, clp->elms);
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clp->elms = (PsElmPtr)0;
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clp->nElms = 0;
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pGC->clientClipType = CT_NONE;
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}
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void
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PsCopyClip(GCPtr pDst, GCPtr pSrc)
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{
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PsClipPtr src = (PsClipPtr)pSrc->clientClip;
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PsClipPtr dst = (PsClipPtr)pDst->clientClip;
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PsDestroyClip(pDst);
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pDst->clientClipType = pSrc->clientClipType;
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*dst = *src;
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if( src->rects )
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{
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dst->rects = (PsRectPtr)xalloc(src->nRects*sizeof(PsRectRec));
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memcpy(dst->rects, src->rects, src->nRects*sizeof(PsRectRec));
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}
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if( src->elms )
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dst->elms = PsCloneFillElementList(src->nElms, src->elms);
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}
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GCPtr
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PsCreateAndCopyGC(DrawablePtr pDrawable, GCPtr pSrc)
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{
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GCPtr pDst;
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if (pSrc == NULL) {
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/* https://freedesktop.org/bugzilla/show_bug.cgi?id=1416 ("'x11perf
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* -copypixpix500' crashes Xprt's PostScript DDX [PsCreateAndCopyGC"):
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* I have no clue whether this is the real fix or just wallpapering
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* over the crash (that's why we warn here loudly when this
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* happens) ... */
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fprintf(stderr, "PsCreateAndCopyGC: pSrc == NULL\n");
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return NULL;
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}
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if ((pDst =
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CreateScratchGC(pDrawable->pScreen, pDrawable->depth)) == NULL)
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{
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return NULL;
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}
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if (CopyGC(pSrc, pDst,
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GCFunction | GCPlaneMask | GCForeground | GCBackground |
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GCLineWidth | GCLineStyle | GCCapStyle | GCJoinStyle |
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GCFillStyle | GCFillRule | GCTile | GCStipple |
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GCTileStipXOrigin | GCTileStipYOrigin | GCFont |
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GCSubwindowMode | GCGraphicsExposures | GCClipXOrigin |
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GCClipYOrigin | GCClipMask | GCDashOffset | GCDashList |
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GCArcMode) != Success)
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{
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(void)FreeGC(pDst, (GContext)0);
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return NULL;
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}
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return pDst;
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}
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