XDrawRectangle man page on Ultrix

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XDrawRectangle(3X11)		     X11R5		  XDrawRectangle(3X11)

NAME
       XDrawRectangle, XDrawRectangles, XRectangle - draw rectangles and rec‐
       tangles structure

SYNTAX
       XDrawRectangle(display, d, gc, x, y, width, height)
	     Display *display;
	     Drawable d;
	     GC gc;
	     int x, y;
	     unsigned int width, height;

       XDrawRectangles(display, d, gc, rectangles, nrectangles)
	     Display *display;
	     Drawable d;
	     GC gc;
	     XRectangle rectangles[];
	     int nrectangles;

ARGUMENTS
       d	 Specifies the drawable.

       display	 Specifies the connection to the X server.

       gc	 Specifies the GC.

       nrectangles
		 Specifies the number of rectangles in the array.

       rectangles
		 Specifies an array of rectangles.

       width
       height	 Specify the width and height, which specify the dimensions of
		 the rectangle.

       x
       y	 Specify the x and y coordinates, which specify the upper-left
		 corner of the rectangle.

DESCRIPTION
       The and functions draw the outlines of the specified rectangle or rec‐
       tangles as if a five-point protocol request were specified for each
       rectangle:

	      [x,y] [x+width,y] [x+width,y+height] [x,y+height] [x,y]

       For the specified rectangle or rectangles, these functions do not draw
       a pixel more than once.	draws the rectangles in the order listed in
       the array.  If rectangles intersect, the intersecting pixels are drawn
       multiple times.

       Both functions use these GC components: function, plane-mask, line-
       width, line-style, cap-style, join-style, fill-style, subwindow-mode,
       clip-x-origin, clip-y-origin, and clip-mask.  They also use these GC
       mode-dependent components: foreground, background, tile, stipple, tile-
       stipple-x-origin, tile-stipple-y-origin, dash-offset, and dash-list.

       and can generate and errors.

STRUCTURES
       The structure contains:

       typedef struct {
	       short x, y;
	       unsigned short width, height;
       } XRectangle;

       All x and y members are signed integers.	 The width and height members
       are 16-bit unsigned integers.  You should be careful not to generate
       coordinates and sizes out of the 16-bit ranges, because the protocol
       only has 16-bit fields for these values.

DIAGNOSTICS
       A value for a Drawable argument does not name a defined Window or
       Pixmap.

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

       An	 window is used as a Drawable.

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

SEE ALSO
       XDrawArc(3X11), XDrawLine(3X11), XDrawPoint(3X11)
       Xlib - C Language X Interface

							  XDrawRectangle(3X11)
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