[ Version ( deprecated = true , deprecated_since = "1.10" , since = "0.8" ) ]
public void clear_glyph_cache ()
Warning: clear_glyph_cache is deprecated since 1.10.
Clears the internal cache of glyphs used by the Pango renderer.
This will free up some memory and GL texture resources. The cache will be automatically refilled as more text is drawn.