NULL
.cairoCopyClipRectangleList(cr)
Cairo
] a cairo contextCairoRectangleList
] the current clip region as a list of rectangles in user coordinates,CAIRO_STATUS_CLIP_NOT_REPRESENTABLE
to
indicate that the clip region cannot be represented as a list of
user-space rectangles. The status may have other values to indicate
other errors.
Since 1.4