How to determine superscript using ItextSharp?

Question

Hy

I am using ITextSharp to parse a PDF file to output text. I want to know if I can catch if the PDF supports index or superscript, does anyone know how to make the difference between normal character and superscript in pdf using ITextSharp or another library?

thank

Answer 1

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Answer 2

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    //input -> curText
    if(curText.Baseline > previousText.Baseline && 
         curText.Baseline < (prevText.Baseline + prevText.Height))
    {
         // This is most likely superscript //
    }
    else if(curText.Baseline < previousText.Baseline &&
         prevText.Baseline < (curText.Baseline + curText.Height))
    {
         // This is most likely subscript //
    }
    else
    {
         // This is probably normal text //
    }

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