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| author | Matthias Clasen <mclasen@redhat.com> | 2019-07-09 23:09:02 -0400 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2019-07-11 23:27:08 -0400 |
| commit | b0d40c174a1cdebb0ef3fd9b187b6aabf8fc0a20 (patch) | |
| tree | d306e6aef29d49411e20399a31b377ad56990255 | |
| parent | 9ca6fde86a534854b088f09effe02589fdb9a64b (diff) | |
| download | pango-b0d40c174a1cdebb0ef3fd9b187b6aabf8fc0a20.tar.gz | |
fc: Implement get_features for fc fonts
We take features out of the FcPattern and
translate them into harfbuzz features.
| -rw-r--r-- | pango/pangofc-font.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/pango/pangofc-font.c b/pango/pangofc-font.c index 79fb07c1..fb51b3c6 100644 --- a/pango/pangofc-font.c +++ b/pango/pangofc-font.c @@ -89,7 +89,10 @@ static PangoFontMetrics * pango_fc_font_get_metrics (PangoFont *font, static PangoFontMap * pango_fc_font_get_font_map (PangoFont *font); static PangoFontDescription *pango_fc_font_describe (PangoFont *font); static PangoFontDescription *pango_fc_font_describe_absolute (PangoFont *font); - +static void pango_fc_font_get_features (PangoFont *font, + hb_feature_t *features, + guint len, + guint *num_features); #define PANGO_FC_FONT_LOCK_FACE(font) (PANGO_FC_FONT_GET_CLASS (font)->lock_face (font)) #define PANGO_FC_FONT_UNLOCK_FACE(font) (PANGO_FC_FONT_GET_CLASS (font)->unlock_face (font)) @@ -116,6 +119,7 @@ pango_fc_font_class_init (PangoFcFontClass *class) font_class->get_coverage = pango_fc_font_get_coverage; font_class->get_metrics = pango_fc_font_get_metrics; font_class->get_font_map = pango_fc_font_get_font_map; + font_class->get_features = pango_fc_font_get_features; g_object_class_install_property (object_class, PROP_PATTERN, g_param_spec_pointer ("pattern", @@ -1086,3 +1090,28 @@ pango_fc_font_get_raw_extents (PangoFcFont *fcfont, PANGO_FC_FONT_UNLOCK_FACE (fcfont); } +static void +pango_fc_font_get_features (PangoFont *font, + hb_feature_t *features, + guint len, + guint *num_features) +{ + /* Setup features from fontconfig pattern. */ + PangoFcFont *fc_font = PANGO_FC_FONT (font); + if (fc_font->font_pattern) + { + char *s; + while (*num_features < len && + FcResultMatch == FcPatternGetString (fc_font->font_pattern, + PANGO_FC_FONT_FEATURES, + *num_features, + (FcChar8 **) &s)) + { + gboolean ret = hb_feature_from_string (s, -1, &features[*num_features]); + features[*num_features].start = 0; + features[*num_features].end = (unsigned int) -1; + if (ret) + (*num_features)++; + } + } +} |