Make PostScript output text selectable

The glyph names used in the Type42 and Type1 fallback fonts are now of
the form "/uniXXXX" where XXXX is the unicode character for each
glyph. When converted to pdf (eg using ps2pdf), pdf viewers are now
able to correctly extract the text.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/cairo-scaled-font-subsets-private.h b/src/cairo-scaled-font-subsets-private.h
index d6dcb3f3e..f80257bc2 100644
--- a/src/cairo-scaled-font-subsets-private.h
+++ b/src/cairo-scaled-font-subsets-private.h
@@ -262,6 +262,21 @@ _cairo_scaled_font_subsets_foreach_unscaled (cairo_scaled_font_subsets_t
                                              cairo_scaled_font_subset_callback_func_t  font_subset_callback,
 				             void				      *closure);
 
+/**
+ * _cairo_scaled_font_subset_create_glyph_names:
+ * @font_subsets: a #cairo_scaled_font_subsets_t
+ *
+ * Create an array of strings containing the glyph name for each glyph
+ * in @font_subsets. The array as store in font_subsets->glyph_names.
+ *
+ * Return value: CAIRO_STATUS_SUCCESS if successful,
+ * CAIRO_INT_STATUS_UNSUPPORTED if the font backend does not support
+ * mapping the glyph indices to unicode characters. Possible errors
+ * include CAIRO_STATUS_NO_MEMORY.
+ **/
+cairo_private cairo_int_status_t
+_cairo_scaled_font_subset_create_glyph_names (cairo_scaled_font_subset_t *subset);
+
 typedef struct _cairo_cff_subset {
     char *base_font;
     int *widths;