138 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			C
		
	
	
	
/***********************************************************
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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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documentation.
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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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                        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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#include "regionstr.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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/* corresponding type masks for dixLookupDrawable() */
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#define M_DRAWABLE_WINDOW	(1<<0)
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#define M_DRAWABLE_PIXMAP	(1<<1)
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#define M_UNDRAWABLE_WINDOW	(1<<2)
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#define M_ANY			(-1)
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#define M_WINDOW	(M_DRAWABLE_WINDOW|M_UNDRAWABLE_WINDOW)
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#define M_DRAWABLE	(M_DRAWABLE_WINDOW|M_DRAWABLE_PIXMAP)
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#define M_UNDRAWABLE	(M_UNDRAWABLE_WINDOW)
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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 struct _PixmapDirtyUpdate *PixmapDirtyUpdatePtr;
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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)
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#define WindowDrawable(type) \
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	((type == DRAWABLE_WINDOW) || (type == UNDRAWABLE_WINDOW))
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extern _X_EXPORT PixmapPtr GetScratchPixmapHeader(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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                                                  void *pPixData);
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extern _X_EXPORT void FreeScratchPixmapHeader(PixmapPtr /*pPixmap */ );
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extern _X_EXPORT Bool CreateScratchPixmapsForScreen(ScreenPtr /*pScreen */ );
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extern _X_EXPORT void FreeScratchPixmapsForScreen(ScreenPtr /*pScreen */ );
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extern _X_EXPORT PixmapPtr AllocatePixmap(ScreenPtr /*pScreen */ ,
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                                          int /*pixDataSize */ );
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extern _X_EXPORT void FreePixmap(PixmapPtr /*pPixmap */ );
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extern _X_EXPORT PixmapPtr
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PixmapShareToSlave(PixmapPtr pixmap, ScreenPtr slave);
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extern _X_EXPORT Bool
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PixmapStartDirtyTracking(PixmapPtr src,
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                         PixmapPtr slave_dst,
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                         int x, int y);
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#define HAS_DIRTYTRACKING2 1
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extern _X_EXPORT Bool
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PixmapStartDirtyTracking2(PixmapPtr src,
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			  PixmapPtr slave_dst,
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			  int x, int y, int dst_x, int dst_y);
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extern _X_EXPORT Bool
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PixmapStopDirtyTracking(PixmapPtr src, PixmapPtr slave_dst);
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/* helper function, drivers can do this themselves if they can do it more
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   efficently */
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extern _X_EXPORT Bool
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PixmapSyncDirtyHelper(PixmapDirtyUpdatePtr dirty, RegionPtr dirty_region);
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#endif                          /* PIXMAP_H */
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