Re: [ft] How to use FreeType with FontConfig?

[John Found]

Thanks! This is exactly what I needed. The step-by-step description
should be enough. I will try it tomorrow.

On Wed, 18 Feb 2015 10:13:01 +1300
Lawrence D'Oliveiro <address@hidden> wrote:

> On Tue, 17 Feb 2015 20:37:04 +0200, John Found wrote:
> 
> > Recently I am working on text rendering with FreeType.
> > 
> > The FreeType function FT_New_Face uses the filename of the font, but
> > I want more flexible approach with font substitution and suggesting
> > fonts by some pattern, for example "serif", "monospaced", "bold", etc.
> 
> There is a sequence of Fontconfig calls I use as standard. For
> a C version, see the load_sub_face routine here
> <https://github.com/ldo/dvdauthor/blob/master/src/subfont.c>. The steps
> are:
> 
>     * call FcNameParse to parse the user-provided string into an
>       FcPattern
>     * Do an FcConfigSubstitute on the pattern to apply a user-default
>       configuration
>     * Also call FcDefaultSubstitute on the pattern to apply a
>       hard-coded default configuration
>     * Call FcFontMatch to actually find a matching font
>     * Then FcPatternGetString(... FC_FILE ...) on the match to get the
>       pathname of the font file.
> 
> For a Python equivalent, see the Face.find_face method here
> <https://github.com/ldo/python_freetype/blob/master/freetype.py>.
> 
> Fontconfig pattern strings can take such useful forms as
> “palatino:style=italic:weight=1000"”, “sans-serif:slant=500” etc.
> 
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-- 
John Found <address@hidden>