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