Sets callback function for context to use for rendering attributes of type pango_attr_shape.
See `PangoCairoShapeRendererFunc` for details.
context |
a `PangoContext`, from a pangocairo font map |
func |
Callback function for rendering attributes of type pango_attr_shape, or null to disable shape rendering. |
data |
User data that will be passed to |
dnotify |
Callback that will be called when the context is freed to release |