| 1 | /*********************************************************** |
| 2 | |
| 3 | Copyright 1987, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included in |
| 12 | all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | |
| 21 | Except as contained in this notice, the name of The Open Group shall not be |
| 22 | used in advertising or otherwise to promote the sale, use or other dealings |
| 23 | in this Software without prior written authorization from The Open Group. |
| 24 | |
| 25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. |
| 26 | |
| 27 | All Rights Reserved |
| 28 | |
| 29 | Permission to use, copy, modify, and distribute this software and its |
| 30 | documentation for any purpose and without fee is hereby granted, |
| 31 | provided that the above copyright notice appear in all copies and that |
| 32 | both that copyright notice and this permission notice appear in |
| 33 | supporting documentation, and that the name of Digital not be |
| 34 | used in advertising or publicity pertaining to distribution of the |
| 35 | software without specific, written prior permission. |
| 36 | |
| 37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 43 | SOFTWARE. |
| 44 | |
| 45 | ******************************************************************/ |
| 46 | |
| 47 | #ifndef PIXMAP_H |
| 48 | #define PIXMAP_H |
| 49 | |
| 50 | #include "misc.h" |
| 51 | #include "screenint.h" |
| 52 | #include "regionstr.h" |
| 53 | |
| 54 | /* types for Drawable */ |
| 55 | #define DRAWABLE_WINDOW 0 |
| 56 | #define DRAWABLE_PIXMAP 1 |
| 57 | #define UNDRAWABLE_WINDOW 2 |
| 58 | |
| 59 | /* corresponding type masks for dixLookupDrawable() */ |
| 60 | #define M_DRAWABLE_WINDOW (1<<0) |
| 61 | #define M_DRAWABLE_PIXMAP (1<<1) |
| 62 | #define M_UNDRAWABLE_WINDOW (1<<2) |
| 63 | #define M_ANY (-1) |
| 64 | #define M_WINDOW (M_DRAWABLE_WINDOW|M_UNDRAWABLE_WINDOW) |
| 65 | #define M_DRAWABLE (M_DRAWABLE_WINDOW|M_DRAWABLE_PIXMAP) |
| 66 | #define M_UNDRAWABLE (M_UNDRAWABLE_WINDOW) |
| 67 | |
| 68 | /* flags to PaintWindow() */ |
| 69 | #define PW_BACKGROUND 0 |
| 70 | #define PW_BORDER 1 |
| 71 | |
| 72 | #define NullPixmap ((PixmapPtr)0) |
| 73 | |
| 74 | typedef struct _Drawable *DrawablePtr; |
| 75 | typedef struct _Pixmap *PixmapPtr; |
| 76 | |
| 77 | typedef struct _PixmapDirtyUpdate *PixmapDirtyUpdatePtr; |
| 78 | |
| 79 | typedef union _PixUnion { |
| 80 | PixmapPtr pixmap; |
| 81 | unsigned long pixel; |
| 82 | } PixUnion; |
| 83 | |
| 84 | #define SamePixUnion(a,b,isPixel)\ |
| 85 | ((isPixel) ? (a).pixel == (b).pixel : (a).pixmap == (b).pixmap) |
| 86 | |
| 87 | #define EqualPixUnion(as, a, bs, b) \ |
| 88 | ((as) == (bs) && (SamePixUnion (a, b, as))) |
| 89 | |
| 90 | #define OnScreenDrawable(type) \ |
| 91 | (type == DRAWABLE_WINDOW) |
| 92 | |
| 93 | #define WindowDrawable(type) \ |
| 94 | ((type == DRAWABLE_WINDOW) || (type == UNDRAWABLE_WINDOW)) |
| 95 | |
| 96 | extern _X_EXPORT PixmapPtr GetScratchPixmapHeader(ScreenPtr /*pScreen */ , |
| 97 | int /*width */ , |
| 98 | int /*height */ , |
| 99 | int /*depth */ , |
| 100 | int /*bitsPerPixel */ , |
| 101 | int /*devKind */ , |
| 102 | pointer /*pPixData */ ); |
| 103 | |
| 104 | extern _X_EXPORT void FreeScratchPixmapHeader(PixmapPtr /*pPixmap */ ); |
| 105 | |
| 106 | extern _X_EXPORT Bool CreateScratchPixmapsForScreen(ScreenPtr /*pScreen */ ); |
| 107 | |
| 108 | extern _X_EXPORT void FreeScratchPixmapsForScreen(ScreenPtr /*pScreen */ ); |
| 109 | |
| 110 | extern _X_EXPORT PixmapPtr AllocatePixmap(ScreenPtr /*pScreen */ , |
| 111 | int /*pixDataSize */ ); |
| 112 | |
| 113 | extern _X_EXPORT void FreePixmap(PixmapPtr /*pPixmap */ ); |
| 114 | |
| 115 | extern _X_EXPORT PixmapPtr |
| 116 | PixmapShareToSlave(PixmapPtr pixmap, ScreenPtr slave); |
| 117 | |
| 118 | extern _X_EXPORT Bool |
| 119 | PixmapStartDirtyTracking(PixmapPtr src, |
| 120 | PixmapPtr slave_dst, |
| 121 | int x, int y); |
| 122 | |
| 123 | extern _X_EXPORT Bool |
| 124 | PixmapStopDirtyTracking(PixmapPtr src, PixmapPtr slave_dst); |
| 125 | |
| 126 | /* helper function, drivers can do this themselves if they can do it more |
| 127 | efficently */ |
| 128 | extern _X_EXPORT Bool |
| 129 | PixmapSyncDirtyHelper(PixmapDirtyUpdatePtr dirty, RegionPtr dirty_region); |
| 130 | |
| 131 | #endif /* PIXMAP_H */ |