Sets callback function for context to use for rendering attributes
of type PANGO_ATTR_SHAPE. See PangoCairoShapeRendererFunc for
details.
Retrieves callback function and associated user data for rendering
attributes of type PANGO_ATTR_SHAPE as set by
pango_cairo_context_set_shape_renderer(), if any.
Since 1.18
Sets callback function for context to use for rendering attributes of type PANGO_ATTR_SHAPE. See PangoCairoShapeRendererFunc for details. Retrieves callback function and associated user data for rendering attributes of type PANGO_ATTR_SHAPE as set by pango_cairo_context_set_shape_renderer(), if any. Since 1.18