/// <summary>
/// Get the font size of a particular character.
/// </summary>
/// <param name="index">Zero-based index of the character.</param>
/// <returns>
/// The font size of the particular character, measured in points (about
/// 1/72 inch). This is the typographic size of the font (so called "em size").
/// </returns>
public float GetFontSize(int index)
{
return((float)PDFium.FPDFText_GetFontSize(Handle, index));
}