gfx/cairo/quartz-glyph-extents.patch

   1 --- a/gfx/cairo/cairo/src/cairo-quartz-font.c   Wed Dec 23 14:17:44 2009 -0500
   2 +++ b/gfx/cairo/cairo/src/cairo-quartz-font.c   Wed Dec 23 20:45:00 2009 +0000
   3 @@ -420,6 +420,16 @@ _cairo_quartz_init_glyph_metrics (cairo_
   4         !CGFontGetGlyphBBoxesPtr (font_face->cgFont, &glyph, 1, &bbox))
   5         goto FAIL;
   6
   7 +    /* broken fonts like Al Bayan return incorrect bounds for some null characters,
   8 +       see https://bugzilla.mozilla.org/show_bug.cgi?id=534260 */
   9 +    if (unlikely (bbox.origin.x == -32767 &&
  10 +                  bbox.origin.y == -32767 &&
  11 +                  bbox.size.width == 65534 &&
  12 +                  bbox.size.height == 65534)) {
  13 +        bbox.origin.x = bbox.origin.y = 0;
  14 +        bbox.size.width = bbox.size.height = 0;
  15 +    }
  16 +
  17      status = _cairo_matrix_compute_basis_scale_factors (&font->base.scale,
  18                                                   &xscale, &yscale, 1);
  19      if (status)