iTextSharp.text.pdf.codec.TIFFField.GetAsFloat C# (CSharp) Метод

        public float GetAsFloat(int index) {
            switch (type) {
            case TIFF_BYTE:
                return ((byte[])data)[index] & 0xff;
            case TIFF_SBYTE:
                return ((byte[])data)[index];
            case TIFF_SHORT:
                return ((char[])data)[index] & 0xffff;
            case TIFF_SSHORT:
                return ((short[])data)[index];
            case TIFF_SLONG:
                return ((int[])data)[index];
            case TIFF_LONG:
                return ((long[])data)[index];
            case TIFF_FLOAT:
                return ((float[])data)[index];
            case TIFF_DOUBLE:
                return (float)((double[])data)[index];
            case TIFF_SRATIONAL:
                int[] ivalue = GetAsSRational(index);
                return (float)((double)ivalue[0]/ivalue[1]);
            case TIFF_RATIONAL:
                long[] lvalue = GetAsRational(index);
                return (float)((double)lvalue[0]/lvalue[1]);
            default:
                throw new InvalidCastException();
            }
        }