终于到周末了，发个早前收集的一个cairo补丁

--- src/cairo-ft-font.c    2007-06-08 01:45:39.000000000 +0800
+++ src/cairo-ft-font.c.new     2007-11-07 18:52:50.000000000 +0800
@@ -1896,6 +1896,7 @@
 FT_Glyph_Metrics *metrics;
 double x_factor, y_factor;
 cairo_bool_t vertical_layout = FALSE;
+ cairo_bool_t fake_bitmap_glyph = FALSE;
 cairo_status_t status;
 
 face = _cairo_ft_unscaled_font_lock_face (unscaled);
@@ -1914,6 +1915,16 @@
 (info & CAIRO_SCALED_GLYPH_INFO_SURFACE) == 0)
 load_flags |= FT_LOAD_NO_BITMAP;
 
+ if (info & CAIRO_SCALED_GLYPH_INFO_SURFACE &&
+       scaled_font->ft_options.base.hint_style != CAIRO_HINT_STYLE_NONE &&
+       scaled_font->ft_options.base.antialias == CAIRO_ANTIALIAS_NONE) {
+       if ((scaled_font->ft_options.extra_flags & CAIRO_FT_OPTIONS_EMBOLDEN ||
+ unscaled->have_shape) && unscaled->y_scale < 18) {
+ fake_bitmap_glyph = TRUE;
+ load_flags |= FT_LOAD_IGNORE_TRANSFORM;
+       }
+ }
+
 /*
 * Don't pass FT_LOAD_VERTICAL_LAYOUT to FT_Load_Glyph here as
 * suggested by freetype people.
@@ -1886,6 +1897,17 @@
 
 glyph = face->glyph;
 
+ if (fake_bitmap_glyph &&
+       glyph->format == FT_GLYPH_FORMAT_OUTLINE &&
+       glyph->outline.n_points != 0) {
+       error = FT_Render_Glyph (glyph, FT_RENDER_MODE_MONO);
+
+       if (error) {
+ status = CAIRO_STATUS_NO_MEMORY;
+ goto FAIL;
+       }
+ }
+
 #if HAVE_FT_GLYPHSLOT_EMBOLDEN
 /*
 * embolden glyphs if requested