On Wed, 2007-08-22 at 11:55 -0400, Mike Branciforte wrote:
> We are exploring the possibility of using Cairo+Pango to render pages
> from a PDF document.
You don't need / shouldn't use pango for rendering PDF. Pango is used
to convert characters to glyphs and to lay text out. PDF on the other
hand, includes layed-out glyphs. Just show it, using
cairo_show_glyphs()
> Does Pango have an API for specifying fonts that
> are not installed in the runtime system?
Not yet. See:
http://bugzilla.gnome.org/show_bug.cgi?id=347237> For example, PDF documents
> often contain embedded fonts. We can programmatically extract the
> embedded font from a PDF document. How can we use this font to render
> text with Pango? It appears to us that the Pango API only allows the
> client application to specify fonts that are installed on the system.
You don't need pango. Create a FT_Face using FT_New_Memory_Face(),
create a cairo_scaled_font_t from it using
cairo_ft_font_face_create_for_ft_face(), install the font using
cairo_set_font_face(), and draw glyphs using cairo_show_glyphs().
--
behdad
http://behdad.org/"Those who would give up Essential Liberty to purchase a little
Temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin, 1759
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