Length numberOfGlyphs );
/**
+ * Retrieves the number of glyph positions set.
+ *
+ * @note This may be less than the number of glyphs in the model.
+ * @return The number of glyphs.
+ */
+ Length GetNumberOfGlyphPositions() const;
+
+ /**
* @brief Retrieves the glyph positions.
*
* @pre The size of the @p positions buffer needs to be big enough to copy the @p numberOfGlyphs positions.