partChanged
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 PangoRenderer
was to add a stipple option for drawing underlines, it needs to call
pango_renderer_part_changed (render, PANGO_RENDER_PART_UNDERLINE);
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When the stipple changes or underlines with different stipples might be joined together. Pango automatically calls this for changes to colors. (See method@Pango.Renderer.set_color)
Since
1.8
Parameters
part
the part for which rendering has changed.