XtAddExposureToRegion man page on Ultrix

XtAddExposureToRegion man page on Ultrix

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XtAddExposureToRegion(3Xt)	     X11R5	    XtAddExposureToRegion(3Xt)

NAME
       XtAddExposureToRegion - merge exposure events into a region

SYNTAX
       void XtAddExposureToRegion(event, region)
	    XEvent *event;
	    Region region;

ARGUMENTS
       event	 Specifies a pointer to the or event.

       region	 Specifies the region object (as defined in

DESCRIPTION
       The function computes the union of the rectangle defined by the expo‐
       sure event and the specified region.  Then, it stores the results back
       in region.  If the event argument is not an or event, returns without
       an error and without modifying region.

       This function is used by the exposure compression mechanism (see Sec‐
       tion 7.9.3).

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface

						    XtAddExposureToRegion(3Xt)

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