+ /**
+ * @brief Whether the given glyph @p glyphIndex is a color glyph.
+ *
+ * @param[in] fontId The font id.
+ * @param[in] glyphIndex The glyph index.
+ *
+ * @return @e true if the glyph is a color one.
+ */
+ bool IsColorGlyph( FontId fontId, GlyphIndex glyphIndex );
+
+ /**
+ * @brief Add custom fonts directory
+ *
+ * @param[in] path to the fonts directory
+ *
+ * @return true if the fonts can be added.
+ */
+ bool AddCustomFontDirectory( const char* path );
+