The function uses the foreground pixel and function components of the GC to draw a single point into the specified drawable; draws multiple points this way. treats all coordinates as relative to the origin, and treats all coordinates after the first as relative to the previous point. draws the points in the order listed in the array.
Both functions use these GC components: function, plane-mask, foreground, subwindow-mode, clip-x-origin, clip-y-origin, and clip-mask.
can generate and errors. can generate and errors.