[cairo] How could Cairo with FreeType support "slant/bold" effect?
cworth at cworth.org
Thu Jun 5 09:33:32 PDT 2008
On Thu, 5 Jun 2008 16:09:29 +0800 (CST), zjuclarkm wrote:
> I want to use Cairo with FreeType font backend on Windows. But I
> find one question: if I have opened a FT_Face and created a
> corresponding cairo_font_face_t*, set it to cairo by calling
> cairo_set_font_face(), how can I get the effect of "slant/oblique"
> and "bold" text just as I simply calling the "toy" api of
For this, you should open an FT_Face that has the slant and weight
that you want. Many fonts provide separate faces for these. For those
that don't, I believe that freetype provides flags you can use to get
artificial emboldening, etc. But I'm definitely talking about features
here that I don't actually know how to use myself. So I trust that
Behdad or someone else will step forward to correct any misinformation
> Moreover, does anyone know the efficiency of FreeType on Windows
> platform compared to native WINDOWS api for font?
I don't know anything about this performance comparison myself.
One reason application authors prefer to use cairo with the native
font system, (on any platform), is to provide a consistent experience,
(available fonts, details of font rendering, etc.), with other
applications on that platform.
Have fun with cairo!
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