285 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			285 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
/***********************************************************
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Copyright 1987, 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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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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#ifndef GCSTRUCT_H
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#define GCSTRUCT_H
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#include "gc.h"
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#include "regionstr.h"
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#include "region.h"
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#include "pixmap.h"
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#include "screenint.h"
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#include "privates.h"
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#include <X11/Xprotostr.h>
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#define GCAllBits ((1 << (GCLastBit + 1)) - 1)
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/*
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 * functions which modify the state of the GC
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 */
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typedef struct _GCFuncs {
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    void (*ValidateGC) (GCPtr /*pGC */ ,
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                        unsigned long /*stateChanges */ ,
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                        DrawablePtr /*pDrawable */ );
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    void (*ChangeGC) (GCPtr /*pGC */ ,
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                      unsigned long /*mask */ );
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    void (*CopyGC) (GCPtr /*pGCSrc */ ,
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                    unsigned long /*mask */ ,
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                    GCPtr /*pGCDst */ );
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    void (*DestroyGC) (GCPtr /*pGC */ );
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    void (*ChangeClip) (GCPtr pGC,
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                        int type,
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                        void *pvalue,
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                        int nrects);
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    void (*DestroyClip) (GCPtr /*pGC */ );
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    void (*CopyClip) (GCPtr /*pgcDst */ ,
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                      GCPtr /*pgcSrc */ );
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} GCFuncs;
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/*
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 * graphics operations invoked through a GC
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 */
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typedef struct _GCOps {
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    void (*FillSpans) (DrawablePtr /*pDrawable */ ,
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                       GCPtr /*pGC */ ,
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                       int /*nInit */ ,
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                       DDXPointPtr /*pptInit */ ,
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                       int * /*pwidthInit */ ,
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                       int /*fSorted */ );
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    void (*SetSpans) (DrawablePtr /*pDrawable */ ,
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                      GCPtr /*pGC */ ,
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                      char * /*psrc */ ,
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                      DDXPointPtr /*ppt */ ,
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                      int * /*pwidth */ ,
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                      int /*nspans */ ,
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                      int /*fSorted */ );
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    void (*PutImage) (DrawablePtr /*pDrawable */ ,
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                      GCPtr /*pGC */ ,
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                      int /*depth */ ,
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                      int /*x */ ,
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                      int /*y */ ,
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                      int /*w */ ,
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                      int /*h */ ,
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                      int /*leftPad */ ,
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                      int /*format */ ,
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                      char * /*pBits */ );
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    RegionPtr (*CopyArea) (DrawablePtr /*pSrc */ ,
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                           DrawablePtr /*pDst */ ,
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                           GCPtr /*pGC */ ,
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                           int /*srcx */ ,
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                           int /*srcy */ ,
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                           int /*w */ ,
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                           int /*h */ ,
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                           int /*dstx */ ,
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                           int /*dsty */ );
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    RegionPtr (*CopyPlane) (DrawablePtr /*pSrcDrawable */ ,
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                            DrawablePtr /*pDstDrawable */ ,
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                            GCPtr /*pGC */ ,
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                            int /*srcx */ ,
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                            int /*srcy */ ,
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                            int /*width */ ,
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                            int /*height */ ,
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                            int /*dstx */ ,
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                            int /*dsty */ ,
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                            unsigned long /*bitPlane */ );
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    void (*PolyPoint) (DrawablePtr /*pDrawable */ ,
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                       GCPtr /*pGC */ ,
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                       int /*mode */ ,
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                       int /*npt */ ,
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                       DDXPointPtr /*pptInit */ );
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    void (*Polylines) (DrawablePtr /*pDrawable */ ,
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                       GCPtr /*pGC */ ,
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                       int /*mode */ ,
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                       int /*npt */ ,
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                       DDXPointPtr /*pptInit */ );
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    void (*PolySegment) (DrawablePtr /*pDrawable */ ,
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                         GCPtr /*pGC */ ,
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                         int /*nseg */ ,
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                         xSegment * /*pSegs */ );
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    void (*PolyRectangle) (DrawablePtr /*pDrawable */ ,
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                           GCPtr /*pGC */ ,
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                           int /*nrects */ ,
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                           xRectangle * /*pRects */ );
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    void (*PolyArc) (DrawablePtr /*pDrawable */ ,
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                     GCPtr /*pGC */ ,
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                     int /*narcs */ ,
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                     xArc * /*parcs */ );
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    void (*FillPolygon) (DrawablePtr /*pDrawable */ ,
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                         GCPtr /*pGC */ ,
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                         int /*shape */ ,
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                         int /*mode */ ,
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                         int /*count */ ,
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                         DDXPointPtr /*pPts */ );
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    void (*PolyFillRect) (DrawablePtr /*pDrawable */ ,
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                          GCPtr /*pGC */ ,
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                          int /*nrectFill */ ,
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                          xRectangle * /*prectInit */ );
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    void (*PolyFillArc) (DrawablePtr /*pDrawable */ ,
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                         GCPtr /*pGC */ ,
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                         int /*narcs */ ,
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                         xArc * /*parcs */ );
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    int (*PolyText8) (DrawablePtr /*pDrawable */ ,
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                      GCPtr /*pGC */ ,
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                      int /*x */ ,
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                      int /*y */ ,
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                      int /*count */ ,
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                      char * /*chars */ );
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    int (*PolyText16) (DrawablePtr /*pDrawable */ ,
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                       GCPtr /*pGC */ ,
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                       int /*x */ ,
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                       int /*y */ ,
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                       int /*count */ ,
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                       unsigned short * /*chars */ );
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    void (*ImageText8) (DrawablePtr /*pDrawable */ ,
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                        GCPtr /*pGC */ ,
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                        int /*x */ ,
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                        int /*y */ ,
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                        int /*count */ ,
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                        char * /*chars */ );
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    void (*ImageText16) (DrawablePtr /*pDrawable */ ,
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                         GCPtr /*pGC */ ,
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                         int /*x */ ,
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                         int /*y */ ,
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                         int /*count */ ,
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                         unsigned short * /*chars */ );
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    void (*ImageGlyphBlt) (DrawablePtr pDrawable,
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                           GCPtr pGC,
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                           int x,
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                           int y,
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                           unsigned int nglyph,
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                           CharInfoPtr *ppci,
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                           void *pglyphBase);
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    void (*PolyGlyphBlt) (DrawablePtr pDrawable,
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                          GCPtr pGC,
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                          int x,
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                          int y,
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                          unsigned int nglyph,
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                          CharInfoPtr *ppci,
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                          void *pglyphBase);
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    void (*PushPixels) (GCPtr /*pGC */ ,
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                        PixmapPtr /*pBitMap */ ,
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                        DrawablePtr /*pDst */ ,
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                        int /*w */ ,
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                        int /*h */ ,
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                        int /*x */ ,
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                        int /*y */ );
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} GCOps;
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/* there is padding in the bit fields because the Sun compiler doesn't
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 * force alignment to 32-bit boundaries.  losers.
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 */
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typedef struct _GC {
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    ScreenPtr pScreen;
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    unsigned char depth;
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    unsigned char alu;
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    unsigned short lineWidth;
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    unsigned short dashOffset;
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    unsigned short numInDashList;
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    unsigned char *dash;
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    unsigned int lineStyle:2;
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    unsigned int capStyle:2;
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    unsigned int joinStyle:2;
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    unsigned int fillStyle:2;
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    unsigned int fillRule:1;
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    unsigned int arcMode:1;
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    unsigned int subWindowMode:1;
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    unsigned int graphicsExposures:1;
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    unsigned int miTranslate:1; /* should mi things translate? */
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    unsigned int tileIsPixel:1; /* tile is solid pixel */
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    unsigned int fExpose:1;     /* Call exposure handling */
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    unsigned int freeCompClip:1;        /* Free composite clip */
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    unsigned int scratch_inuse:1;       /* is this GC in a pool for reuse? */
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    unsigned int unused:15;     /* see comment above */
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    unsigned int planemask;
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    unsigned int fgPixel;
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    unsigned int bgPixel;
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    /*
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     * alas -- both tile and stipple must be here as they
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     * are independently specifiable
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     */
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    PixUnion tile;
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    PixmapPtr stipple;
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    DDXPointRec patOrg;         /* origin for (tile, stipple) */
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    DDXPointRec clipOrg;
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    struct _Font *font;
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    RegionPtr clientClip;
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    unsigned int stateChanges; /* masked with GC_<kind> */
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    unsigned int serialNumber;
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    const GCFuncs *funcs;
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    const GCOps *ops;
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    PrivateRec *devPrivates;
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    RegionPtr pCompositeClip;
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} GC;
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#endif                          /* GCSTRUCT_H */
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