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