[cairo] [PATCH 4/6] Implement has_color_glyphs for freetype

[Matthias Clasen]

On Sat, Apr 9, 2016 at 8:29 AM, Uli Schlachter <psychon at znc.in> wrote:
> Am 09.04.2016 um 05:22 schrieb matthias.clasen at gmail.com:
> [...]
>> +static cairo_bool_t
>> +_cairo_ft_has_color_glyphs (void *scaled)
>> +{
>> +    cairo_ft_unscaled_font_t *unscaled = ((cairo_ft_scaled_font_t *)scaled)->unscaled;
>> +
>> +    if (!unscaled->have_color_set) {
>> +        FT_Face face;
>> +        face = _cairo_ft_unscaled_font_lock_face (unscaled);
>> +        _cairo_ft_unscaled_font_unlock_face (unscaled);
>> +    }
>> +
>> +    return unscaled->have_color;
>> +}
>> +
> [...]
>
> I suggest replaceing the above function with 'return rand() == 42'. It returns
> uninitialized memory anyway.

This could use a comment, maybe. If you look at
_cairo_ft_unscaled_font_lock_face, it has the side-effect of ensuring
that have_color is properly set.