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#   		 Crown Copyright (c) 1997

#   

#   This TenDRA(r) Computer Program is subject to Copyright

#   owned by the United Kingdom Secretary of State for Defence

#   acting through the Defence Evaluation and Research Agency

#   (DERA).  It is made available to Recipients with a

#   royalty-free licence for its use, reproduction, transfer

#   to other parties and amendment for any purpose not excluding

#   product development provided that any such use et cetera

#   shall be deemed to be acceptance of the following conditions:-

#   

#       (1) Its Recipients shall ensure that this Notice is

#       reproduced upon any copies or amended versions of it;

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#       (2) Any amended version of it shall be clearly marked to

#       show both the nature of and the organisation responsible

#       for the relevant amendment or amendments;

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#       (3) Its onward transfer from a recipient to another

#       party shall be deemed to be that party's acceptance of

#       these conditions;

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#       (4) DERA gives no warranty or assurance as to its

#       quality or suitability for any purpose and DERA accepts

#       no liability whatsoever in relation to any use to which

#       it may be put.

#

# Abstracted from system header

+USE "x5/lib", "X11/Xlib.h" ;

+CONST char *MULTIBUFFER_PROTOCOL_NAME ;

+CONST int MULTIBUFFER_MAJOR_VERSION, MULTIBUFFER_MINOR_VERSION ;

+CONST int X_MbufGetBufferVersion, X_MbufCreateImageBuffers ;

+CONST int X_MbufDestroyImageBuffers, X_MbufDisplayImageBuffers ;

+CONST int X_MbufSetMBufferAttributes, X_MbufGetMBufferAttributes ;

+CONST int X_MbufSetBufferAttributes, X_MbufGetBufferAttributes ;

+CONST int X_MbufGetBufferInfo, X_MbufCreateStereoWindow ;

+CONST int MultibufferUpdateActionUndefined ;

+CONST int MultibufferUpdateActionBackground ;

+CONST int MultibufferUpdateActionUntouched ;

+CONST int  MultibufferUpdateActionCopied ;

+CONST int MultibufferUpdateHintFrequent, MultibufferUpdateHintIntermittent ;

+CONST int MultibufferUpdateHintStatic ;

+CONST int MultibufferWindowUpdateHint, MultibufferBufferEventMask ;

+CONST int MultibufferModeMono, MultibufferModeStereo, MultibufferSideMono ;

+CONST int MultibufferSideLeft, MultibufferSideRight ;

+CONST int MultibufferUnclobbered, MultibufferPartiallyClobbered ;

+CONST int MultibufferFullyClobbered ;

+CONST long MultibufferClobberNotifyMask, MultibufferUpdateNotifyMask ;

+CONST int MultibufferClobberNotify, MultibufferUpdateNotify ;

+CONST int MultibufferNumberEvents ;

+CONST int MultibufferBadBuffer, MultibufferNumberErrors ;

+TYPEDEF XID Multibuffer ;

+FIELD ( struct ) XmbufClobberNotifyEvent {

    int type ;

    unsigned long serial ;

    int send_event ;

    Display *display ;

    Multibuffer buffer ;

    int state ;

} ;

+FIELD ( struct ) XmbufUpdateNotifyEvent {

    int type ;

    unsigned long serial ;

    int send_event ;

    Display *display ;

    Multibuffer buffer ;

} ;

+FIELD ( struct ) XmbufWindowAttributes {

    int displayed_index ;

    int update_action ;

    int update_hint ;

    int window_mode ;

    int nbuffers ;

    Multibuffer *buffers ;

} ;

+FIELD ( struct ) XmbufSetWindowAttributes {

    int update_hint ;

} ;

+FIELD ( struct ) XmbufBufferAttributes {

    Window window ;

    unsigned long event_mask ;

    int buffer_index ;

    int side ;

} ;

+FIELD ( struct ) XmbufSetBufferAttributes {

    unsigned long event_mask ;

} ;

+FIELD ( struct ) XmbufBufferInfo {

    VisualID visualid ;

    int max_buffers ;

    int depth ;

} ;

+FUNC Bool XmbufQueryExtension ( Display *, int *, int * ) ;

+FUNC Status XmbufGetVersion ( Display *, int *, int * ) ;

+FUNC int XmbufCreateBuffers ( Display *, Window, int, int, int,

    Multibuffer * ) ;

+FUNC void XmbufDestroyBuffers ( Display *, Window ) ;

+FUNC void XmbufDisplayBuffers ( Display *, int, Multibuffer *, int, int ) ;

+FUNC Status XmbufGetWindowAttributes ( Display *, Window,

    XmbufWindowAttributes * ) ;

+FUNC void XmbufChangeWindowAttributes ( Display *, Window, unsigned long,

    XmbufSetWindowAttributes * ) ;

+FUNC Status XmbufGetBufferAttributes ( Display *, Multibuffer,

    XmbufBufferAttributes * ) ;

+FUNC void XmbufChangeBufferAttributes ( Display *, Multibuffer,

    unsigned long, XmbufSetBufferAttributes * ) ;

+FUNC Status XmbufGetScreenInfo ( Display *, Drawable, int *,

    XmbufBufferInfo **, int *, XmbufBufferInfo ** ) ;

+FUNC Window XmbufCreateStereoWindow ( Display *, Window, int, int,

    unsigned int, unsigned int, unsigned int, int, unsigned int,

    Visual *, unsigned long, XSetWindowAttributes *, Multibuffer *,

    Multibuffer * ) ;