XSetClipMask man page on Ultrix

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XSetClipOrigin(3X11)		     X11R5		  XSetClipOrigin(3X11)

NAME
       XSetClipOrigin, XSetClipMask, XSetClipRectangles - GC convenience rou‐
       tines

SYNTAX
       XSetClipOrigin(display, gc, clip_x_origin, clip_y_origin)
	     Display *display;
	     GC gc;
	     int clip_x_origin, clip_y_origin;

       XSetClipMask(display, gc, pixmap)
	     Display *display;
	     GC gc;
	     Pixmap pixmap;

       XSetClipRectangles(display, gc, clip_x_origin, clip_y_origin, rectan‐
       gles, n, ordering)
	     Display *display;
	     GC gc;
	     int clip_x_origin, clip_y_origin;
	     XRectangle rectangles[];
	     int n;
	     int ordering;

ARGUMENTS
       display	 Specifies the connection to the X server.

       clip_x_origin
       clip_y_origin
		 Specify the x and y coordinates of the clip-mask origin.

       gc	 Specifies the GC.

       n	 Specifies the number of rectangles.

       ordering	 Specifies the ordering relations on the rectangles.  You can
		 pass or

       pixmap	 Specifies the pixmap or

       rectangles
		 Specifies an array of rectangles that define the clip-mask.

DESCRIPTION
       The function sets the clip origin in the specified GC.  The clip-mask
       origin is interpreted relative to the origin of whatever destination
       drawable is specified in the graphics request.

       can generate and errors.

       The function sets the clip-mask in the specified GC to the specified
       pixmap.	If the clip-mask is set to the pixels are always drawn
       (regardless of the clip-origin).

       can generate and errors.

       The function changes the clip-mask in the specified GC to the specified
       list of rectangles and sets the clip origin.  The output is clipped to
       remain contained within the rectangles.	The clip-origin is interpreted
       relative to the origin of whatever destination drawable is specified in
       a graphics request.  The rectangle coordinates are interpreted relative
       to the clip-origin.  The rectangles should be nonintersecting, or the
       graphics results will be undefined.  Note that the list of rectangles
       can be empty, which effectively disables output.	 This is the opposite
       of passing as the clip-mask in and

       If known by the client, ordering relations on the rectangles can be
       specified with the ordering argument.  This may provide faster opera‐
       tion by the server.  If an incorrect ordering is specified, the X
       server may generate a error, but it is not required to do so.  If no
       error is generated, the graphics results are undefined.	means the rec‐
       tangles are in arbitrary order.	means that the rectangles are nonde‐
       creasing in their Y origin.  additionally constrains order in that all
       rectangles with an equal Y origin are nondecreasing in their X origin.
       additionally constrains by requiring that, for every possible Y scan‐
       line, all rectangles that include that scanline have an identical Y
       origins and Y extents.

       can generate and errors.

DIAGNOSTICS
       The server failed to allocate the requested resource or server memory.

       A value for a GContext argument does not name a defined GContext.

       Some argument or pair of arguments has the correct type and range but
       fails
		 to match in some other way required by the request.

       Some numeric value falls outside the range of values accepted by the
       request.
		 Unless a specific range is specified for an argument, the
		 full range defined by the argument's type is accepted.	 Any
		 argument defined as a set of alternatives can generate this
		 error.

SEE ALSO
       XCreateGC(3X11), XDrawRectangle(3X11), XQueryBestSize(3X11), XSetArc‐
       Mode(3X11), XSetFillStyle(3X11), XSetFont(3X11), XSetLineAt‐
       tributes(3X11), XSetState(3X11), XSetTile(3X11)
       Xlib - C Language X Interface

							  XSetClipOrigin(3X11)
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