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.
Since 2.24
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. Since 2.24