GlyphTypeface.ComputeSubset returns all font bytes RRS feed

  • Question

  • I use code

    var glyphTypeface = new GlyphTypeface(new Uri(@"NotoSansJP-Black.otf")); 
    byte[] fontBytes = glyphTypeface.ComputeSubset(new[] { glyphTypeface.CharacterToGlyphMap[Convert.ToInt32("309f", 16)] }); 

    The Unicode 309f is and it is Japanese glyph. Noto Sans CJK JP could be obtained at

    The resulting X.otf file is the same size as the original file.

    What’s wrong?

    Thursday, November 30, 2017 3:22 PM


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