pixmap.h (5166B)
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 #include <X11/extensions/randr.h> 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 void *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 PixmapShareToSecondary(PixmapPtr pixmap, ScreenPtr secondary); 117 118 extern _X_EXPORT void 119 PixmapUnshareSecondaryPixmap(PixmapPtr secondary_pixmap); 120 121 #define HAS_DIRTYTRACKING_ROTATION 1 122 #define HAS_DIRTYTRACKING_DRAWABLE_SRC 1 123 extern _X_EXPORT Bool 124 PixmapStartDirtyTracking(DrawablePtr src, 125 PixmapPtr slave_dst, 126 int x, int y, int dst_x, int dst_y, 127 Rotation rotation); 128 129 extern _X_EXPORT Bool 130 PixmapStopDirtyTracking(DrawablePtr src, PixmapPtr slave_dst); 131 132 /* helper function, drivers can do this themselves if they can do it more 133 efficiently */ 134 extern _X_EXPORT Bool 135 PixmapSyncDirtyHelper(PixmapDirtyUpdatePtr dirty); 136 137 #endif /* PIXMAP_H */