Fix advance widths with transforms
The hb_font_t we were passing to Harfbuzz for shaping was not taking context transforms into account, and therefore was not scaling advance widths as necessary. Always go through pangos glyph extents to fix this.
The hb_font_t we were passing to Harfbuzz for shaping was not taking context transforms into account, and therefore was not scaling advance widths as necessary. Always go through pangos glyph extents to fix this.