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Adam Jackson
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/*
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* $XFree86: xc/programs/Xserver/miext/layer/layerstr.h,v 1.2 2001/06/04 09:45:41 keithp Exp $
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*
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* Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc.
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*
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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, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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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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#ifndef _LAYERSTR_H_
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#define _LAYERSTR_H_
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#include <X11/X.h>
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#include "scrnintstr.h"
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#include "windowstr.h"
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#include <X11/fonts/font.h>
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#include "dixfontstr.h"
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#include <X11/fonts/fontstruct.h>
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#include "mi.h"
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#include "regionstr.h"
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#include "globals.h"
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#include "gcstruct.h"
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#include "layer.h"
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#ifdef RENDER
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#include "picturestr.h"
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#endif
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extern int layerScrPrivateIndex;
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extern int layerGCPrivateIndex;
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extern int layerWinPrivateIndex;
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/*
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* One of these for each possible set of underlying
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* rendering code. The first kind always points at the
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* underlying frame buffer code and is created in LayerStartInit
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* so that LayerNewKind can unwrap the screen and prepare it
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* for another wrapping sequence.
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*
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* The set of functions wrapped here must be at least the union
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* of all functions wrapped by any rendering layer in use; they're
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* easy to add, so don't be shy
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*/
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typedef struct _LayerKind {
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int kind; /* kind index */
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CloseScreenProcPtr CloseScreen;
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CreateWindowProcPtr CreateWindow;
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DestroyWindowProcPtr DestroyWindow;
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ChangeWindowAttributesProcPtr ChangeWindowAttributes;
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PaintWindowBackgroundProcPtr PaintWindowBackground;
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PaintWindowBorderProcPtr PaintWindowBorder;
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CopyWindowProcPtr CopyWindow;
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CreatePixmapProcPtr CreatePixmap;
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DestroyPixmapProcPtr DestroyPixmap;
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CreateGCProcPtr CreateGC;
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#ifdef RENDER
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CompositeProcPtr Composite;
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GlyphsProcPtr Glyphs;
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CompositeRectsProcPtr CompositeRects;
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#endif
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} LayerKindRec;
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#define LayerWrap(orig,lay,member,func) \
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(((lay)->member = (orig)->member),\
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((orig)->member = (func)))
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#define LayerUnwrap(orig,lay,member) \
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((orig)->member = (lay)->member)
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/*
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* This is the window private structure allocated for
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* all windows. There are two possible alternatives here,
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* either the window belongs to a single layer and uses its
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* internal clip/borderClip lists or the window belongs to one
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* or more layers and uses a separate clip/borderclip for each
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* layer. When this is integrated into the core window struct,
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* the LayerWinKind can become a single bit saving 8 bytes per
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* window.
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*/
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typedef struct _LayerWin {
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Bool isList;
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union {
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LayerPtr pLayer;
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LayerListPtr pLayList;
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} u;
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} LayerWinRec;
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typedef struct _LayerList {
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LayerListPtr pNext; /* list of layers for this window */
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LayerPtr pLayer; /* the layer */
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Bool inheritClip; /* use the window clipList/borderClip */
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RegionRec clipList; /* per-layer clip/border clip lists */
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RegionRec borderClip;
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} LayerListRec;
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#define layerGetWinPriv(pWin) ((LayerWinPtr) (pWin)->devPrivates[layerWinPrivateIndex].ptr)
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#define layerWinPriv(pWin) LayerWinPtr pLayWin = layerGetWinPriv(pWin)
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#define layerWinLayer(pLayWin) ((pLayWin)->isList ? (pLayWin)->u.pLayList->pLayer : (pLayWin)->u.pLayer)
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typedef struct _LayerWinLoop {
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LayerWinPtr pLayWin;
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LayerListPtr pLayList;
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PixmapPtr pPixmap; /* original window pixmap */
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RegionRec clipList; /* saved original clipList contents */
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RegionRec borderClip; /* saved original borderClip contents */
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} LayerWinLoopRec, *LayerWinLoopPtr;
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#define layerWinFirstLayer(pLayWin,pLayList) ((pLayWin)->isList ? ((pLayList) = (pLayWin)->u.pLayList)->pLayer : pLayWin->u.pLayer)
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#define layerWinNextLayer(pLayWin,pLayList) ((pLayWin)->isList ? ((pLayList) = (pLayList)->pNext)->pLayer : 0)
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LayerPtr
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LayerWindowFirst (WindowPtr pWin, LayerWinLoopPtr pLoop);
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LayerPtr
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LayerWindowNext (WindowPtr pWin, LayerWinLoopPtr pLoop);
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void
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LayerWindowDone (WindowPtr pWin, LayerWinLoopPtr pLoop);
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/*
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* This is the GC private structure allocated for all GCs.
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* XXX this is really messed up; I'm not sure how to fix it yet
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*/
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typedef struct _LayerGC {
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GCFuncs *funcs;
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LayerKindPtr pKind;
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} LayerGCRec;
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#define layerGetGCPriv(pGC) ((LayerGCPtr) (pGC)->devPrivates[layerGCPrivateIndex].ptr)
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#define layerGCPriv(pGC) LayerGCPtr pLayGC = layerGetGCPriv(pGC)
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/*
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* This is the screen private, it contains
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* the layer kinds and the layers themselves
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*/
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typedef struct _LayerScreen {
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int nkinds; /* number of elements in kinds array */
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LayerKindPtr kinds; /* created kinds; reallocated when new ones added */
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LayerPtr pLayers; /* list of layers for this screen */
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} LayerScreenRec;
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#define layerGetScrPriv(pScreen) ((LayerScreenPtr) (pScreen)->devPrivates[layerScrPrivateIndex].ptr)
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#define layerScrPriv(pScreen) LayerScreenPtr pLayScr = layerGetScrPriv(pScreen)
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Bool
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layerCloseScreen (int index, ScreenPtr pScreen);
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Bool
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layerCreateWindow (WindowPtr pWin);
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Bool
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layerDestroyWindow (WindowPtr pWin);
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Bool
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layerChangeWindowAttributes (WindowPtr pWin, unsigned long mask);
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void
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layerPaintWindowBackground (WindowPtr pWin, RegionPtr pRegion, int what);
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void
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layerPaintWindowBorder (WindowPtr pWin, RegionPtr pRegion, int what);
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void
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layerCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
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PixmapPtr
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layerCreatePixmap (ScreenPtr pScreen, int width, int height, int depth);
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Bool
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layerDestroyPixmap (PixmapPtr pPixmap);
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Bool
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layerCreateGC (GCPtr pGC);
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#ifdef RENDER
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void
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layerComposite (CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xMask,
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INT16 yMask,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height);
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void
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layerGlyphs (CARD8 op,
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PicturePtr pSrc,
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PicturePtr pDst,
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PictFormatPtr maskFormat,
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INT16 xSrc,
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INT16 ySrc,
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int nlist,
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GlyphListPtr list,
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GlyphPtr *glyphs);
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void
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layerCompositeRects (CARD8 op,
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PicturePtr pDst,
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xRenderColor *color,
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int nRect,
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xRectangle *rects);
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#endif
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void layerValidateGC(GCPtr, unsigned long, DrawablePtr);
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void layerChangeGC(GCPtr, unsigned long);
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void layerCopyGC(GCPtr, unsigned long, GCPtr);
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void layerDestroyGC(GCPtr);
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void layerChangeClip(GCPtr, int, pointer, int);
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void layerDestroyClip(GCPtr);
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void layerCopyClip(GCPtr, GCPtr);
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void
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layerFillSpans(DrawablePtr pDraw,
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GC *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
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layerSetSpans(DrawablePtr pDraw,
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GCPtr pGC,
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char *pcharsrc,
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DDXPointPtr pptInit,
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int *pwidthInit,
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int nspans,
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int fSorted);
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void
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layerPutImage(
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DrawablePtr pDraw,
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GCPtr pGC,
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int depth,
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int x, int y, int w, int h,
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int leftPad,
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int format,
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char *pImage
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);
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RegionPtr
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layerCopyArea(
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DrawablePtr pSrc,
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DrawablePtr pDst,
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GC *pGC,
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int srcx, int srcy,
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int width, int height,
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int dstx, int dsty
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);
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RegionPtr
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layerCopyPlane(
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DrawablePtr pSrc,
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DrawablePtr pDst,
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GCPtr pGC,
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int srcx, int srcy,
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int width, int height,
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int dstx, int dsty,
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unsigned long bitPlane
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);
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void
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layerPolyPoint(
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DrawablePtr pDraw,
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GCPtr pGC,
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int mode,
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int npt,
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xPoint *pptInit
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);
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void
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layerPolylines(
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DrawablePtr pDraw,
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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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);
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void
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layerPolySegment(
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DrawablePtr pDraw,
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GCPtr pGC,
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int nseg,
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xSegment *pSeg
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);
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void
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layerPolyRectangle(
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DrawablePtr pDraw,
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GCPtr pGC,
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int nRects,
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xRectangle *pRects
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);
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void
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layerPolyArc(
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DrawablePtr pDraw,
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GCPtr pGC,
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int narcs,
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xArc *parcs
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);
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void
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layerFillPolygon(
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DrawablePtr pDraw,
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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 pptInit
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);
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void
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layerPolyFillRect(
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DrawablePtr pDraw,
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GCPtr pGC,
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int nRectsInit,
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xRectangle *pRectsInit
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);
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void
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layerPolyFillArc(
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DrawablePtr pDraw,
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GCPtr pGC,
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int narcs,
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xArc *parcs
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);
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int
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layerPolyText8(
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DrawablePtr pDraw,
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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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);
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int
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layerPolyText16(
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DrawablePtr pDraw,
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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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);
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void
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layerImageText8(
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DrawablePtr pDraw,
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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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);
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void
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layerImageText16(
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DrawablePtr pDraw,
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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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);
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void
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layerImageGlyphBlt(
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DrawablePtr pDraw,
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GCPtr pGC,
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int x, int y,
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unsigned int nglyph,
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CharInfoPtr *ppci,
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pointer pglyphBase
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);
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void
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layerPolyGlyphBlt(
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DrawablePtr pDraw,
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GCPtr pGC,
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int x, int y,
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unsigned int nglyph,
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CharInfoPtr *ppci,
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pointer pglyphBase
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);
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void
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layerPushPixels(
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GCPtr pGC,
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PixmapPtr pBitMap,
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DrawablePtr pDraw,
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int dx, int dy, int xOrg, int yOrg
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);
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#endif /* _LAYERSTR_H_ */
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