gecko/gfx/cairo/quartz-glyph-extents.patch

20 lines
863 B
Diff

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