Informs Pango that the way that the rendering is done
for part has changed.
This should be called if the rendering changes in a way that would
prevent multiple pieces being joined together into one drawing call.
For instance, if a subclass of pango.renderer.Renderer was to add a stipple
option for drawing underlines, it needs to call
When the stipple changes or underlines with different stipples
might be joined together. Pango automatically calls this for
changes to colors. (See pango.renderer.Renderer.setColor)
Informs Pango that the way that the rendering is done for part has changed.
This should be called if the rendering changes in a way that would prevent multiple pieces being joined together into one drawing call. For instance, if a subclass of pango.renderer.Renderer was to add a stipple option for drawing underlines, it needs to call
When the stipple changes or underlines with different stipples might be joined together. Pango automatically calls this for changes to colors. (See pango.renderer.Renderer.setColor)