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+/* $Xorg: gcstruct.h,v 1.4 2001/02/09 02:05:15 xorgcvs Exp $ */
+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+
+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.
+
+******************************************************************/
+
+#ifndef GCSTRUCT_H
+#define GCSTRUCT_H
+
+#include "gc.h"
+
+#include "miscstruct.h"
+#include "region.h"
+#include "pixmap.h"
+#include "screenint.h"
+#include "Xprotostr.h"
+
+/*
+ * functions which modify the state of the GC
+ */
+
+typedef struct _GCFuncs {
+ void (* ValidateGC)(
+#if NeedNestedPrototypes
+ GCPtr /*pGC*/,
+ unsigned long /*stateChanges*/,
+ DrawablePtr /*pDrawable*/
+#endif
+);
+
+ void (* ChangeGC)(
+#if NeedNestedPrototypes
+ GCPtr /*pGC*/,
+ unsigned long /*mask*/
+#endif
+);
+
+ void (* CopyGC)(
+#if NeedNestedPrototypes
+ GCPtr /*pGCSrc*/,
+ unsigned long /*mask*/,
+ GCPtr /*pGCDst*/
+#endif
+);
+
+ void (* DestroyGC)(
+#if NeedNestedPrototypes
+ GCPtr /*pGC*/
+#endif
+);
+
+ void (* ChangeClip)(
+#if NeedNestedPrototypes
+ GCPtr /*pGC*/,
+ int /*type*/,
+ pointer /*pvalue*/,
+ int /*nrects*/
+#endif
+);
+
+ void (* DestroyClip)(
+#if NeedNestedPrototypes
+ GCPtr /*pGC*/
+#endif
+);
+
+ void (* CopyClip)(
+#if NeedNestedPrototypes
+ GCPtr /*pgcDst*/,
+ GCPtr /*pgcSrc*/
+#endif
+);
+ DevUnion devPrivate;
+} GCFuncs;
+
+/*
+ * graphics operations invoked through a GC
+ */
+
+typedef struct _GCOps {
+ void (* FillSpans)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*nInit*/,
+ DDXPointPtr /*pptInit*/,
+ int * /*pwidthInit*/,
+ int /*fSorted*/
+#endif
+);
+
+ void (* SetSpans)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ char * /*psrc*/,
+ DDXPointPtr /*ppt*/,
+ int * /*pwidth*/,
+ int /*nspans*/,
+ int /*fSorted*/
+#endif
+);
+
+ void (* PutImage)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*depth*/,
+ int /*x*/,
+ int /*y*/,
+ int /*w*/,
+ int /*h*/,
+ int /*leftPad*/,
+ int /*format*/,
+ char * /*pBits*/
+#endif
+);
+
+ RegionPtr (* CopyArea)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pSrc*/,
+ DrawablePtr /*pDst*/,
+ GCPtr /*pGC*/,
+ int /*srcx*/,
+ int /*srcy*/,
+ int /*w*/,
+ int /*h*/,
+ int /*dstx*/,
+ int /*dsty*/
+#endif
+);
+
+ RegionPtr (* CopyPlane)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pSrcDrawable*/,
+ DrawablePtr /*pDstDrawable*/,
+ GCPtr /*pGC*/,
+ int /*srcx*/,
+ int /*srcy*/,
+ int /*width*/,
+ int /*height*/,
+ int /*dstx*/,
+ int /*dsty*/,
+ unsigned long /*bitPlane*/
+#endif
+);
+ void (* PolyPoint)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*mode*/,
+ int /*npt*/,
+ DDXPointPtr /*pptInit*/
+#endif
+);
+
+ void (* Polylines)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*mode*/,
+ int /*npt*/,
+ DDXPointPtr /*pptInit*/
+#endif
+);
+
+ void (* PolySegment)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*nseg*/,
+ xSegment * /*pSegs*/
+#endif
+);
+
+ void (* PolyRectangle)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*nrects*/,
+ xRectangle * /*pRects*/
+#endif
+);
+
+ void (* PolyArc)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*narcs*/,
+ xArc * /*parcs*/
+#endif
+);
+
+ void (* FillPolygon)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*shape*/,
+ int /*mode*/,
+ int /*count*/,
+ DDXPointPtr /*pPts*/
+#endif
+);
+
+ void (* PolyFillRect)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*nrectFill*/,
+ xRectangle * /*prectInit*/
+#endif
+);
+
+ void (* PolyFillArc)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*narcs*/,
+ xArc * /*parcs*/
+#endif
+);
+
+ int (* PolyText8)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*x*/,
+ int /*y*/,
+ int /*count*/,
+ char * /*chars*/
+#endif
+);
+
+ int (* PolyText16)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*x*/,
+ int /*y*/,
+ int /*count*/,
+ unsigned short * /*chars*/
+#endif
+);
+
+ void (* ImageText8)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*x*/,
+ int /*y*/,
+ int /*count*/,
+ char * /*chars*/
+#endif
+);
+
+ void (* ImageText16)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*x*/,
+ int /*y*/,
+ int /*count*/,
+ unsigned short * /*chars*/
+#endif
+);
+
+ void (* ImageGlyphBlt)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*x*/,
+ int /*y*/,
+ unsigned int /*nglyph*/,
+ CharInfoPtr * /*ppci*/,
+ pointer /*pglyphBase*/
+#endif
+);
+
+ void (* PolyGlyphBlt)(
+#if NeedNestedPrototypes
+ DrawablePtr /*pDrawable*/,
+ GCPtr /*pGC*/,
+ int /*x*/,
+ int /*y*/,
+ unsigned int /*nglyph*/,
+ CharInfoPtr * /*ppci*/,
+ pointer /*pglyphBase*/
+#endif
+);
+
+ void (* PushPixels)(
+#if NeedNestedPrototypes
+ GCPtr /*pGC*/,
+ PixmapPtr /*pBitMap*/,
+ DrawablePtr /*pDst*/,
+ int /*w*/,
+ int /*h*/,
+ int /*x*/,
+ int /*y*/
+#endif
+);
+
+#ifdef NEED_LINEHELPER
+ void (* LineHelper)();
+#endif
+
+ DevUnion devPrivate;
+} GCOps;
+
+/* there is padding in the bit fields because the Sun compiler doesn't
+ * force alignment to 32-bit boundaries. losers.
+ */
+typedef struct _GC {
+ ScreenPtr pScreen;
+ unsigned char depth;
+ unsigned char alu;
+ unsigned short lineWidth;
+ unsigned short dashOffset;
+ unsigned short numInDashList;
+ unsigned char *dash;
+ unsigned int lineStyle : 2;
+ unsigned int capStyle : 2;
+ unsigned int joinStyle : 2;
+ unsigned int fillStyle : 2;
+ unsigned int fillRule : 1;
+ unsigned int arcMode : 1;
+ unsigned int subWindowMode : 1;
+ unsigned int graphicsExposures : 1;
+ unsigned int clientClipType : 2; /* CT_<kind> */
+ unsigned int miTranslate:1; /* should mi things translate? */
+ unsigned int tileIsPixel:1; /* tile is solid pixel */
+ unsigned int unused:16; /* see comment above */
+ unsigned long planemask;
+ unsigned long fgPixel;
+ unsigned long bgPixel;
+ /*
+ * alas -- both tile and stipple must be here as they
+ * are independently specifiable
+ */
+ PixUnion tile;
+ PixmapPtr stipple;
+ DDXPointRec patOrg; /* origin for (tile, stipple) */
+ struct _Font *font;
+ DDXPointRec clipOrg;
+ DDXPointRec lastWinOrg; /* position of window last validated */
+ pointer clientClip;
+ unsigned long stateChanges; /* masked with GC_<kind> */
+ unsigned long serialNumber;
+ GCFuncs *funcs;
+ GCOps *ops;
+ DevUnion *devPrivates;
+} GC;
+
+#endif /* GCSTRUCT_H */
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