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/* $Xorg: pixmap.h,v 1.4 2001/02/09 02:05:15 xorgcvs Exp $ */
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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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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OPEN GROUP 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 Open Group 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 Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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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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******************************************************************/
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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 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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#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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extern void FreeScratchPixmapHeader(
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#if NeedFunctionPrototypes
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PixmapPtr /*pPixmap*/
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extern Bool CreateScratchPixmapsForScreen(
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#if NeedFunctionPrototypes
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extern void FreeScratchPixmapsForScreen(
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#if NeedFunctionPrototypes
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extern PixmapPtr AllocatePixmap(
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#if NeedFunctionPrototypes
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ScreenPtr /*pScreen*/,
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#endif /* PIXMAP_H */