private static bool IsUnicodeEntry(NameEntry en)
{
if (en.PlatformId == (short)PlatformId.Unicode)
{
return true;
}
if (en.PlatformId == (short)PlatformId.Microsoft && (en.EncodingId == 1) ) // windows unicode
{
return true;
}
if (en.PlatformId == (short)PlatformId.Microsoft && (en.EncodingId == 1 || en.EncodingId == 10) &&
((en.LanguageId & 0x3FF) == 9))
{
return true;
}
return false;
}
private void ReadNames(Stream stream)
{
TableDirectoryEntry table = Header.TableMap["name"];
if (table == null)
{
throw new Exception("No name table found");
}
stream.Seek(table.Offset, SeekOrigin.Begin);
byte[] buffer = new byte[256];
stream.Read(buffer, 0, 6);
if (IOUtils.GetShort(buffer,0)!=0)
{
throw new Exception("unknown cmap version");
}
int count = IOUtils.GetShort(buffer, 2) & 0xFFFF;
int offset = (IOUtils.GetShort(buffer, 4) & 0xFFFF) + table.Offset;
names.Clear();
for (int i = 0; i < count; i++)
{
NameEntry entry = new NameEntry();
names.Add(entry);
stream.Read(buffer, 0, 12);
entry.PlatformId = IOUtils.GetShort(buffer, 0);
entry.EncodingId = IOUtils.GetShort(buffer, 2);
entry.LanguageId = IOUtils.GetShort(buffer, 4);
entry.NameId = IOUtils.GetShort(buffer, 6);
entry.Length = IOUtils.GetShort(buffer, 8);
entry.Offset = (IOUtils.GetShort(buffer, 10) & 0xFFFF) + offset;
}
foreach (var name in names)
{
if ((name.NameId == 1 || name.NameId == 16) && IsUnicodeEntry(name) )
{
stream.Seek(name.Offset, SeekOrigin.Begin);
stream.Read(buffer, 0, name.Length);
FamilyName = DecodeUnicode(buffer,0,name.Length);
if (name.NameId == 16)
{
break;
}
}
}
}