public string GetHexCharCode(int glyph)
{
if (ToUnicode != null)
{
if (!ToUnicode.ContainsGlyph(glyph))
{
throw new InvalidOperationException("Glyphs cannot be added to an existing CMap");
}
return((new PdfHexString(ToUnicode.FromGlyph(glyph))).Text);
}
return(null);
}
public bool TryGetUnicode(int characterCode, out string value)
{
value = null;
if (!ToUnicode.CanMapToUnicode)
{
if (ucs2CMap != null && ucs2CMap.TryConvertToUnicode(characterCode, out value))
{
return(value != null);
}
return(false);
}
// According to PdfBox certain providers incorrectly using Identity CMaps as ToUnicode.
if (ToUnicode.IsUsingIdentityAsUnicodeMap)
{
value = new string((char)characterCode, 1);
return(true);
}
return(ToUnicode.TryGet(characterCode, out value));
}
