| 1 | /* $XFree86$ */
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| 2 | /*
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| 3 | * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
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| 4 | *
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| 5 | * All Rights Reserved.
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| 6 | *
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining
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| 8 | * a copy of this software and associated documentation files (the
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| 9 | * "Software"), to deal in the Software without restriction, including
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| 10 | * without limitation on the rights to use, copy, modify, merge,
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| 11 | * publish, distribute, sublicense, and/or sell copies of the Software,
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| 12 | * and to permit persons to whom the Software is furnished to do so,
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| 13 | * subject to the following conditions:
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| 14 | *
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| 15 | * The above copyright notice and this permission notice (including the
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| 16 | * next paragraph) shall be included in all copies or substantial
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| 17 | * portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 22 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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| 23 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| 24 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 25 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 26 | * SOFTWARE.
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| 27 | */
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| 28 |
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| 29 | /*
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| 30 | * Authors:
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| 31 | * Kevin E. Martin <[email protected]>
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| 32 | *
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| 33 | */
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| 34 |
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| 35 | /** \file
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| 36 | * Interface for GC support. \see dmxgc.c */
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| 37 |
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| 38 | #ifndef DMXGC_H
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| 39 | #define DMXGC_H
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| 40 |
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| 41 | #include "gcstruct.h"
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| 42 |
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| 43 | /** GC private area. */
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| 44 | typedef struct _dmxGCPriv {
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| 45 | GCOps *ops;
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| 46 | GCFuncs *funcs;
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| 47 | XlibGC gc;
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| 48 | Bool msc;
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| 49 | } dmxGCPrivRec, *dmxGCPrivPtr;
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| 50 |
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| 51 |
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| 52 | extern Bool dmxInitGC(ScreenPtr pScreen);
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| 53 |
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| 54 | extern Bool dmxCreateGC(GCPtr pGC);
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| 55 | extern void dmxValidateGC(GCPtr pGC, unsigned long changes,
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| 56 | DrawablePtr pDrawable);
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| 57 | extern void dmxChangeGC(GCPtr pGC, unsigned long mask);
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| 58 | extern void dmxCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst);
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| 59 | extern void dmxDestroyGC(GCPtr pGC);
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| 60 | extern void dmxChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects);
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| 61 | extern void dmxDestroyClip(GCPtr pGC);
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| 62 | extern void dmxCopyClip(GCPtr pGCDst, GCPtr pGCSrc);
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| 63 |
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| 64 | extern void dmxBECreateGC(ScreenPtr pScreen, GCPtr pGC);
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| 65 | extern Bool dmxBEFreeGC(GCPtr pGC);
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| 66 |
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| 67 | /** Private index. \see dmxgc.c \see dmxscrinit.c */
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| 68 | extern int dmxGCPrivateIndex;
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| 69 |
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| 70 | /** Get private. */
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| 71 | #define DMX_GET_GC_PRIV(_pGC) \
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| 72 | (dmxGCPrivPtr)(_pGC)->devPrivates[dmxGCPrivateIndex].ptr
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| 73 |
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| 74 | #define DMX_GC_FUNC_PROLOGUE(_pGC) \
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| 75 | do { \
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| 76 | dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC); \
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| 77 | DMX_UNWRAP(funcs, _pGCPriv, (_pGC)); \
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| 78 | if (_pGCPriv->ops) \
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| 79 | DMX_UNWRAP(ops, _pGCPriv, (_pGC)); \
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| 80 | } while (0)
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| 81 |
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| 82 | #define DMX_GC_FUNC_EPILOGUE(_pGC) \
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| 83 | do { \
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| 84 | dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC); \
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| 85 | DMX_WRAP(funcs, &dmxGCFuncs, _pGCPriv, (_pGC)); \
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| 86 | if (_pGCPriv->ops) \
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| 87 | DMX_WRAP(ops, &dmxGCOps, _pGCPriv, (_pGC)); \
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| 88 | } while (0)
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| 89 |
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| 90 | #endif /* DMXGC_H */
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