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/*
Copyright 1989, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
 */

#ifndef _MULTIBUFCONST_H_
#define _MULTIBUFCONST_H_

#define MULTIBUFFER_PROTOCOL_NAME "Multi-Buffering"

#define MULTIBUFFER_MAJOR_VERSION	1	/* current version numbers */
#define MULTIBUFFER_MINOR_VERSION	1	/* has ClearImageBufferArea */

/*
 * update_action field
 */
#define MultibufferUpdateActionUndefined	0
#define MultibufferUpdateActionBackground	1
#define MultibufferUpdateActionUntouched	2
#define MultibufferUpdateActionCopied		3

/*
 * update_hint field
 */
#define MultibufferUpdateHintFrequent		0
#define MultibufferUpdateHintIntermittent	1
#define MultibufferUpdateHintStatic		2

/*
 * valuemask fields
 */
#define MultibufferWindowUpdateHint	(1L << 0)
#define MultibufferBufferEventMask	(1L << 0)

/*
 * mono vs. stereo and left vs. right
 */
#define MultibufferModeMono		0
#define MultibufferModeStereo		1
#define MultibufferSideMono		0
#define MultibufferSideLeft	  	1
#define MultibufferSideRight		2

/*
 * clobber state
 */
#define MultibufferUnclobbered		0
#define MultibufferPartiallyClobbered	1
#define MultibufferFullyClobbered	2

/*
 * event stuff
 */
#define MultibufferClobberNotifyMask	0x02000000
#define MultibufferUpdateNotifyMask	0x04000000

#define MultibufferClobberNotify	0
#define MultibufferUpdateNotify		1
#define MultibufferNumberEvents		(MultibufferUpdateNotify + 1)

#define MultibufferBadBuffer		0
#define MultibufferNumberErrors		(MultibufferBadBuffer + 1)

#endif /* _MULTIBUFCONST_H_ */
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