private int GetInfo(String character, PdfAcroForm form, String name)
{
PdfFormField field = form.GetField(name);
PdfFont font = field.GetFont();
FontMetrics fontMetrics = font.GetFontProgram().GetFontMetrics();
float fontSize = field.GetFontSize();
if (fontSize == 0)
{
return(1000);
}
Rectangle rectangle = field.GetWidgets()[0].GetRectangle().ToRectangle();
// Factor here is a leading value. We calculate it by subtracting lower left corner value from
// the upper right corner value of the glyph bounding box
float factor = (fontMetrics.GetBbox()[3] - fontMetrics.GetBbox()[1]) / 1000f;
int rows = (int)Math.Round(rectangle.GetHeight() / (fontSize * factor) + 0.5f);
int columns = (int)Math.Round(rectangle.GetWidth() / font.GetWidth(character, fontSize) + 0.5f);
return(rows * columns);
}
