How to use

setTextRise

method

in

com.itextpdf.text.Chunk

 public Chunk addSuperscript(String text) {
 float leading = determineCurrentLeading();
 Font f = determineCurrentFont();
 Font supFont = new Font(f);
 supFont.setSize(f.getSize() / 2f);
 Chunk c = new Chunk(text, supFont);
 c.setTextRise(leading / 2f);
 return c;
}

 Paragraph p = new Paragraph();
Chunk smallChunk = new Chunk("small middle", BLUE);
smallChunk.setTextRise( (15 - 6) / 2);
p.add(smallChunk);
p.add(new Chunk("big middle", RED));

chunk.setTextRise(8);

/**
 * Creates an iText Chunk
 * @param content the content of the Chunk
 * @param chain the hierarchy chain
 * @return a Chunk
 */
public Chunk createChunk(final String content, final ChainedProperties chain) {
  Font font = getFont(chain);
  Chunk ck = new Chunk(content, font);
  if (chain.hasProperty(HtmlTags.SUB))
    ck.setTextRise(-font.getSize() / 2);
  else if (chain.hasProperty(HtmlTags.SUP))
    ck.setTextRise(font.getSize() / 2);
  ck.setHyphenation(getHyphenation(chain));
  return ck;
}

/**
 * Creates an iText Chunk
 * @param content the content of the Chunk
 * @param chain the hierarchy chain
 * @return a Chunk
 */
public Chunk createChunk(final String content, final ChainedProperties chain) {
  Font font = getFont(chain);
  Chunk ck = new Chunk(content, font);
  if (chain.hasProperty(HtmlTags.SUB))
    ck.setTextRise(-font.getSize() / 2);
  else if (chain.hasProperty(HtmlTags.SUP))
    ck.setTextRise(font.getSize() / 2);
  ck.setHyphenation(getHyphenation(chain));
  return ck;
}