90 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
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 *
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 * All Rights Reserved.
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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 on the rights to use, copy, modify, merge,
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 * publish, distribute, sublicense, and/or sell copies of the Software,
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 * and to permit persons to whom the Software is furnished to do so,
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 * subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial
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 * portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * 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
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 * SOFTWARE.
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 */
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/*
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 * Authors:
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 *   Kevin E. Martin <kem@redhat.com>
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 *
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 */
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/** \file
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 * Interface for GC support.  \see dmxgc.c */
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#ifndef DMXGC_H
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#define DMXGC_H
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#include "gcstruct.h"
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/** GC private area. */
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typedef struct _dmxGCPriv {
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    GCOps   *ops;
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    GCFuncs *funcs;
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    XlibGC   gc;
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    Bool     msc;
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} dmxGCPrivRec, *dmxGCPrivPtr;
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extern Bool dmxInitGC(ScreenPtr pScreen);
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extern Bool dmxCreateGC(GCPtr pGC);
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extern void dmxValidateGC(GCPtr pGC, unsigned long changes,
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			  DrawablePtr pDrawable);
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extern void dmxChangeGC(GCPtr pGC, unsigned long mask);
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extern void dmxCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst);
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extern void dmxDestroyGC(GCPtr pGC);
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extern void dmxChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects);
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extern void dmxDestroyClip(GCPtr pGC);
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extern void dmxCopyClip(GCPtr pGCDst, GCPtr pGCSrc);
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extern void dmxBECreateGC(ScreenPtr pScreen, GCPtr pGC);
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extern Bool dmxBEFreeGC(GCPtr pGC);
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/** Private index.  \see dmxgc.c \see dmxscrinit.c */
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extern DevPrivateKey dmxGCPrivateKey;
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/** Get private. */
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#define DMX_GET_GC_PRIV(_pGC)						\
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    (dmxGCPrivPtr)dixLookupPrivate(&(_pGC)->devPrivates, dmxGCPrivateKey)
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#define DMX_GC_FUNC_PROLOGUE(_pGC)					\
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do {									\
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    dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC);			\
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    DMX_UNWRAP(funcs, _pGCPriv, (_pGC));				\
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    if (_pGCPriv->ops)							\
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	DMX_UNWRAP(ops, _pGCPriv, (_pGC));				\
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} while (0)
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#define DMX_GC_FUNC_EPILOGUE(_pGC)					\
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do {									\
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    dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC);			\
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    DMX_WRAP(funcs, &dmxGCFuncs, _pGCPriv, (_pGC));			\
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    if (_pGCPriv->ops)							\
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	DMX_WRAP(ops, &dmxGCOps, _pGCPriv, (_pGC));			\
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} while (0)
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#endif /* DMXGC_H */
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