/// <summary>Register a font file and use an alias for the font contained in it.</summary>
/// <param name="path">the path to a font file</param>
/// <param name="alias">the alias you want to use for the font</param>
internal virtual void RegisterFont(String path, String alias)
{
try {
if (path.ToLowerInvariant().EndsWith(".ttf") || path.ToLowerInvariant().EndsWith(".otf") || path.ToLowerInvariant
().IndexOf(".ttc,", StringComparison.Ordinal) > 0)
{
FontProgramDescriptor descriptor = FontProgramDescriptorFactory.FetchDescriptor(path);
fontNames.Put(descriptor.GetFontNameLowerCase(), path);
if (alias != null)
{
String lcAlias = alias.ToLowerInvariant();
fontNames.Put(lcAlias, path);
if (lcAlias.EndsWith("regular"))
{
//do this job to give higher priority to regular fonts in comparison with light, narrow, etc
SaveCopyOfRegularFont(lcAlias, path);
}
}
// register all the font names with all the locales
foreach (String name in descriptor.GetFullNameAllLangs())
{
fontNames.Put(name, path);
if (name.EndsWith("regular"))
{
//do this job to give higher priority to regular fonts in comparison with light, narrow, etc
SaveCopyOfRegularFont(name, path);
}
}
if (descriptor.GetFamilyNameEnglishOpenType() != null)
{
foreach (String fullName in descriptor.GetFullNamesEnglishOpenType())
{
RegisterFontFamily(descriptor.GetFamilyNameEnglishOpenType(), fullName, null);
}
}
}
else
{
if (path.ToLowerInvariant().EndsWith(".ttc"))
{
TrueTypeCollection ttc = new TrueTypeCollection(path);
for (int i = 0; i < ttc.GetTTCSize(); i++)
{
String fullPath = path + "," + i;
if (alias != null)
{
RegisterFont(fullPath, alias + "," + i);
}
else
{
RegisterFont(fullPath);
}
}
}
else
{
if (path.ToLowerInvariant().EndsWith(".afm") || path.ToLowerInvariant().EndsWith(".pfm"))
{
FontProgramDescriptor descriptor = FontProgramDescriptorFactory.FetchDescriptor(path);
RegisterFontFamily(descriptor.GetFamilyNameLowerCase(), descriptor.GetFullNameLowerCase(), null);
fontNames.Put(descriptor.GetFontNameLowerCase(), path);
fontNames.Put(descriptor.GetFullNameLowerCase(), path);
}
}
}
LOGGER.Trace(MessageFormatUtil.Format("Registered {0}", path));
}
catch (System.IO.IOException e) {
throw new iText.IO.IOException(e);
}
}