Sets the given window as the source pattern for cr.
The pattern has an extend mode of cairo.Extend.NONE and is aligned
so that the origin of window is x, y. The window contains all its
subwindows when rendering.
Note that the contents of window are undefined outside of the
visible part of window, so use this function with care.
Sets the given window as the source pattern for
cr.The pattern has an extend mode of cairo.Extend.NONE and is aligned so that the origin of
windowisx,y. The window contains all its subwindows when rendering.Note that the contents of
windoware undefined outside of the visible part ofwindow, so use this function with care.