iTextSharp.text.pdf.DocumentFont.FillFontDesc C# (CSharp) Метод

        private void FillFontDesc(PdfDictionary fontDesc)
        {
            if (fontDesc == null)
                return;
            PdfNumber v = fontDesc.GetAsNumber(PdfName.ASCENT);
            if (v != null)
                Ascender = v.FloatValue;
            v = fontDesc.GetAsNumber(PdfName.CAPHEIGHT);
            if (v != null)
                CapHeight = v.FloatValue;
            v = fontDesc.GetAsNumber(PdfName.DESCENT);
            if (v != null)
                Descender = v.FloatValue;
            v = fontDesc.GetAsNumber(PdfName.ITALICANGLE);
            if (v != null)
                ItalicAngle = v.FloatValue;
            v = fontDesc.GetAsNumber(PdfName.FONTWEIGHT);
            if (v != null) {
                fontWeight = v.FloatValue;
            }
            PdfArray bbox = fontDesc.GetAsArray(PdfName.FONTBBOX);
            if (bbox != null) {
                llx = bbox.GetAsNumber(0).FloatValue;
                lly = bbox.GetAsNumber(1).FloatValue;
                urx = bbox.GetAsNumber(2).FloatValue;
                ury = bbox.GetAsNumber(3).FloatValue;
                if (llx > urx) {
                    float t = llx;
                    llx = urx;
                    urx = t;
                }
                if (lly > ury) {
                    float t = lly;
                    lly = ury;
                    ury = t;
                }
            }
            float maxAscent = Math.Max(ury, Ascender);
            float minDescent = Math.Min(lly, Descender);
            Ascender = maxAscent * 1000 / (maxAscent - minDescent);
            Descender = minDescent * 1000 / (maxAscent - minDescent);
        }