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125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
24 years ago
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/* $XConsortium: pixmap.h,v 5.6 94/04/17 20:25:53 dpw Exp $ */
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/***********************************************************
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Copyright (c) 1987 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from the X Consortium.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef PIXMAP_H
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#define PIXMAP_H
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#include "misc.h"
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#include "screenint.h"
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/* types for Drawable */
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#define DRAWABLE_WINDOW 0
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#define DRAWABLE_PIXMAP 1
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#define UNDRAWABLE_WINDOW 2
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#define DRAWABLE_BUFFER 3
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/* flags to PaintWindow() */
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#define PW_BACKGROUND 0
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#define PW_BORDER 1
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#define NullPixmap ((PixmapPtr)0)
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typedef struct _Drawable *DrawablePtr;
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typedef struct _Pixmap *PixmapPtr;
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typedef union _PixUnion {
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PixmapPtr pixmap;
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unsigned long pixel;
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} PixUnion;
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#define SamePixUnion(a,b,isPixel)\
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((isPixel) ? (a).pixel == (b).pixel : (a).pixmap == (b).pixmap)
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#define EqualPixUnion(as, a, bs, b) \
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((as) == (bs) && (SamePixUnion (a, b, as)))
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#define OnScreenDrawable(type) \
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((type == DRAWABLE_WINDOW) || (type == DRAWABLE_BUFFER))
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#define WindowDrawable(type) \
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((type == DRAWABLE_WINDOW) || (type == UNDRAWABLE_WINDOW))
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extern PixmapPtr GetScratchPixmapHeader(
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#if NeedFunctionPrototypes
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ScreenPtr /*pScreen*/,
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int /*width*/,
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int /*height*/,
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int /*depth*/,
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int /*bitsPerPixel*/,
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int /*devKind*/,
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pointer /*pPixData*/
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#endif
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);
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extern void FreeScratchPixmapHeader(
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#if NeedFunctionPrototypes
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PixmapPtr /*pPixmap*/
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#endif
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);
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extern Bool CreateScratchPixmapsForScreen(
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#if NeedFunctionPrototypes
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int /*scrnum*/
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#endif
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);
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extern void FreeScratchPixmapsForScreen(
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#if NeedFunctionPrototypes
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int /*scrnum*/
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#endif
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);
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extern PixmapPtr AllocatePixmap(
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#if NeedFunctionPrototypes
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ScreenPtr /*pScreen*/,
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int /*pixDataSize*/
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#endif
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);
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#endif /* PIXMAP_H */
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