string fill_field_by_chars(AcroFields form, string field_key, string text)
{
IList <AcroFields.FieldPosition> p = form.GetFieldPositions(field_key);
float width = p[0].position.Width;
text = FieldPreparation.Prepare(text);
int end = 0;
for (int e = 1; e <= text.Length; e++)
{
float w = baseFont.GetWidthPoint(text.Substring(0, e).Trim(), (float)fontSize);
if (w > width)
{
break;
}
end = e;
}
set_field(form, field_key, text.Substring(0, end).Trim());
return(text.Substring(end));
}
string fill_field_by_words(AcroFields form, string field_key, string text)
{
IList <AcroFields.FieldPosition> p = form.GetFieldPositions(field_key);
float width = p[0].position.Width;
text = FieldPreparation.Prepare(text);
int end = 0;
for (Match m = Regex.Match(text, @".+?([\-\,\:\.]+|(?=\s)|$)"); m.Success; m = m.NextMatch())
{
int e = m.Index + m.Length;
float w = baseFont.GetWidthPoint(text.Substring(0, e).Trim(), (float)fontSize);
if (w > width)
{
break;
}
end = e;
}
set_field(form, field_key, text.Substring(0, end).Trim());
return(text.Substring(end));
}