| 1 | /* $Xorg: pixmap.h,v 1.4 2001/02/09 02:05:15 xorgcvs Exp $ */
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| 2 | /***********************************************************
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| 3 |
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| 4 | Copyright 1987, 1998 The Open Group
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| 5 |
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| 6 | Permission to use, copy, modify, distribute, and sell this software and its
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| 7 | documentation for any purpose is hereby granted without fee, provided that
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| 8 | the above copyright notice appear in all copies and that both that
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| 9 | copyright notice and this permission notice appear in supporting
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| 10 | documentation.
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| 11 |
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| 12 | The above copyright notice and this permission notice shall be included in
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| 13 | all copies or substantial portions of the Software.
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| 14 |
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| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 19 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 21 |
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| 22 | Except as contained in this notice, the name of The Open Group shall not be
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| 23 | used in advertising or otherwise to promote the sale, use or other dealings
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| 24 | in this Software without prior written authorization from The Open Group.
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| 25 |
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| 26 |
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| 27 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 28 |
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| 29 | All Rights Reserved
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| 30 |
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| 31 | Permission to use, copy, modify, and distribute this software and its
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| 32 | documentation for any purpose and without fee is hereby granted,
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| 33 | provided that the above copyright notice appear in all copies and that
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| 34 | both that copyright notice and this permission notice appear in
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| 35 | supporting documentation, and that the name of Digital not be
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| 36 | used in advertising or publicity pertaining to distribution of the
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| 37 | software without specific, written prior permission.
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| 38 |
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| 39 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| 40 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| 41 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| 42 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 43 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 44 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 45 | SOFTWARE.
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| 46 |
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| 47 | ******************************************************************/
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| 48 | /* $XFree86$ */
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| 49 |
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| 50 | #ifndef PIXMAP_H
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| 51 | #define PIXMAP_H
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| 52 |
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| 53 | #include "misc.h"
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| 54 | #include "screenint.h"
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| 55 |
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| 56 | /* types for Drawable */
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| 57 | #define DRAWABLE_WINDOW 0
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| 58 | #define DRAWABLE_PIXMAP 1
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| 59 | #define UNDRAWABLE_WINDOW 2
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| 60 | #define DRAWABLE_BUFFER 3
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| 61 |
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| 62 | /* flags to PaintWindow() */
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| 63 | #define PW_BACKGROUND 0
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| 64 | #define PW_BORDER 1
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| 65 |
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| 66 | #define NullPixmap ((PixmapPtr)0)
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| 67 |
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| 68 | typedef struct _Drawable *DrawablePtr;
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| 69 | typedef struct _Pixmap *PixmapPtr;
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| 70 |
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| 71 | typedef union _PixUnion {
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| 72 | PixmapPtr pixmap;
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| 73 | unsigned long pixel;
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| 74 | } PixUnion;
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| 75 |
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| 76 | #define SamePixUnion(a,b,isPixel)\
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| 77 | ((isPixel) ? (a).pixel == (b).pixel : (a).pixmap == (b).pixmap)
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| 78 |
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| 79 | #define EqualPixUnion(as, a, bs, b) \
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| 80 | ((as) == (bs) && (SamePixUnion (a, b, as)))
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| 81 |
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| 82 | #define OnScreenDrawable(type) \
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| 83 | ((type == DRAWABLE_WINDOW) || (type == DRAWABLE_BUFFER))
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| 84 |
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| 85 | #define WindowDrawable(type) \
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| 86 | ((type == DRAWABLE_WINDOW) || (type == UNDRAWABLE_WINDOW))
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| 87 |
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| 88 | extern PixmapPtr GetScratchPixmapHeader(
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| 89 | ScreenPtr /*pScreen*/,
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| 90 | int /*width*/,
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| 91 | int /*height*/,
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| 92 | int /*depth*/,
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| 93 | int /*bitsPerPixel*/,
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| 94 | int /*devKind*/,
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| 95 | pointer /*pPixData*/);
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| 96 |
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| 97 | extern void FreeScratchPixmapHeader(
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| 98 | PixmapPtr /*pPixmap*/);
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| 99 |
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| 100 | extern Bool CreateScratchPixmapsForScreen(
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| 101 | int /*scrnum*/);
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| 102 |
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| 103 | extern void FreeScratchPixmapsForScreen(
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| 104 | int /*scrnum*/);
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| 105 |
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| 106 | extern PixmapPtr AllocatePixmap(
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| 107 | ScreenPtr /*pScreen*/,
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| 108 | int /*pixDataSize*/);
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| 109 |
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| 110 | #endif /* PIXMAP_H */
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