How To Set SuperScript And SubScript In Pdf in java


In this core java tutorial we will learn How To Set SuperScript And SubScript In Pdf in java using iText library - core java tutorial with program and examples.


Follow these steps to Set SuperScript And SubScript In Pdf in java using iText library >


  • Superscript > Create Chunk (com.itextpdf.text.Chunk), use constructor and pass the text which you want to be superscript.
    • Now, use setTextRise method of Chunk and pass POSITIVE number in setTextRise method to set the superscript.
superScript.setTextRise(6f)
     

  • Subscript > Create Chunk (com.itextpdf.text.Chunk), use constructor and pass the text which you want to be subscript.
    • Now, use setTextRise method of Chunk and pass NEGATIVE number in setTextRise method to set the subscript.
superScript.setTextRise(-6f)
     


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Download jars required to execute program >

Or, you may download jars from here.


Program/Example 1 How To Set SuperScript And SubScript In Pdf in java - Using iText library

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.pdf.PdfWriter;
/**
*
*  How To Set SuperScript And SubScript In Pdf Using Itext Example -
*  Using iText library - core java tutorial
*
*/
public class SuperScriptAndSubScriptInPdfUsingItextExample {
   public static void main(String[] args) {
          try {
                 String pdfFilePath = "e:/SuperScript And SubScript in Pdf Using Itext Example.pdf";
                 OutputStream fos = new FileOutputStream(new File(pdfFilePath));
                 Document document = new Document();
                 PdfWriter.getInstance(document, fos);
                 document.open();
                 document.add(new Paragraph(
                              "This is SuperScript And SubScript Example"));
                
                 document.add(new Phrase("Add SuperScript > "));
                 // Create SuperScript
                 Chunk superScript = new Chunk("This is Superscript");
                 superScript.setTextRise(6f); //Pass POSITIVE number in setTextRise method  
                 document.add(superScript);
                 document.add(new Phrase("\nAdd SubScript > "));
                 // Create SubScript
                 Chunk subScript = new Chunk("This is Subscript");
                 subScript.setTextRise(-6f); //Pass NEGATIVE number in setTextRise method
                 document.add(subScript);
                 document.close();
                 fos.close();
                 System.out.println("PDF created in >> " + pdfFilePath);
          } catch (Exception e) {
                 e.printStackTrace();
          }
   }
}
/* OUTPUT of above program/Example -
PDF created in >> e:/SuperScript And SubScript in Pdf Using Itext Example.pdf
*/


PDF formed after executing above java program will look like this >



Program/Example 2 How To Set SuperScript And SubScript In Pdf in java - Using iText library

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.pdf.PdfWriter;
/**
*
*  How To Set SuperScript And SubScript In Pdf Using Itext Example -
*  Using iText library - core java tutorial
*
*/
public class SuperScriptAndSubScriptInPdfUsingItextExample2 {
   public static void main(String[] args) {
          try {
                 String pdfFilePath = "e:/SuperScript And SubScript in Pdf Using Itext Example2.pdf";
                 OutputStream fos = new FileOutputStream(new File(pdfFilePath));
                 Document document = new Document();
                 PdfWriter.getInstance(document, fos);
                 document.open();
                 document.add(new Paragraph(
                              "This is SuperScript And SubScript Example"));
                
                 document.add(new Chunk("2"));
                 // Create SuperScript
                 Chunk superScript = new Chunk("3");
                 superScript.setTextRise(6f); //Pass POSITIVE number in setTextRise method  
                 document.add(superScript);
                 document.add(new Chunk(" = 8"));
                 document.add(new Phrase("\nAdd SubScript > "));
                 // Create SubScript
                 Chunk subScript = new Chunk("This is Subscript");
                 subScript.setTextRise(-6f); //Pass NEGATIVE number in setTextRise method
                 document.add(subScript);
                 document.close();
                 fos.close();
                 System.out.println("PDF created in >> " + pdfFilePath);
          } catch (Exception e) {
                 e.printStackTrace();
          }
   }
}
/* OUTPUT of above program/Example -
PDF created in >> e:/SuperScript And SubScript in Pdf Using Itext Example2.pdf
*/


PDF formed after executing above java program will look like this >


Summary -

So in this core java tutorial we learned How To Set SuperScript And SubScript In Pdf in java using iText library - core java tutorial with program and examples.


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References >



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