Re: how to enable font aliasing

LRN <[email protected]> Wed, 25 Mar 2015 09:44:11 +0300

Newsgroups	gmane.comp.lib.cairo
Message-ID	<[email protected]>

On 25.03.2015 5:06, Dan Raymond wrote:
> On 3/24/2015 7:14 PM, Lawrence D'Oliveiro wrote:
>>> You’re not calling cairo_set_antialias, are you? What does
>>> cairo_get_antialias
>>> <http://cairographics.org/manual/cairo-cairo-t.html#cairo-get-antialias>
>>> return?
>> By the way, this setting applies to paths, not text. For text, you
>> control anti-aliasing via the font_options.
> 
> Both APIS return 0 (CAIRO_ANTIALIAS_DEFAULT).
> 
> {
>     cairo_font_options_t *options;
> 
>     options = cairo_font_options_create();
>     printf("cairo_font_options_get_antialias = %d\n", 
> cairo_font_options_get_antialias(options));
>     printf("cairo_get_antialias = %d\n", cairo_get_antialias(cr));
> }
> 
> I just noticed that text anti-aliasing is working on one machine but not 
> another.  Why would this differ between machines?  They both have the 
> same version of cairo installed.
> 

Stupid question: Are you using Windows pangocairo backend (as opposed to
Fontconfig backend), and if so, do you have ClearType enabled?

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