[Fontconfig] FcFreeTypeQueryFace - why need parameter file?

Fri Dec 2 04:40:36 PST 2011

Why file parameter need for* FcFreeTypeQueryFace (const FT_Face
 face, const FcChar8  *file, int id, FcBlanks *blanks)? As I Understand
this function may create FcPattern via FT_Face (from already loaded font).*
*What can I do if I don't have file on disk - only in memory?*
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