Comment 10 for bug 1283194

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David Mathog (mathog) wrote :

The width is calculated here in Layout=TNG-Compute.cpp

    new_glyph.width = unbroken_span.glyph_string->glyphs[glyph_index].geometry.width * font_size_multiplier;

and geometry.width is coming from Pango in this structure:

   https://developer.gnome.org/pango/stable/pango-Glyph-Storage.html#PangoGlyphGeometry

which has only the advance (near as I can tell) called "width".