public static FontProgramDescriptor FetchDescriptor(byte[] fontProgram)
{
if (fontProgram == null || fontProgram.Length == 0)
{
return(null);
}
FontProgramDescriptor fontDescriptor = null;
if (FETCH_CACHED_FIRST)
{
fontDescriptor = FetchCachedDescriptor(null, fontProgram);
if (fontDescriptor != null)
{
return(fontDescriptor);
}
}
try {
fontDescriptor = FetchTrueTypeFontDescriptor(fontProgram);
}
catch (Exception) {
}
if (fontDescriptor == null)
{
try {
fontDescriptor = FetchType1FontDescriptor(null, fontProgram);
}
catch (Exception) {
}
}
return(fontDescriptor);
}
/// <exception cref="System.IO.IOException"/>
private static FontProgramDescriptor FetchTTCDescriptor(String baseName)
{
int ttcSplit = baseName.ToLowerInvariant().IndexOf(".ttc,", StringComparison.Ordinal);
if (ttcSplit > 0)
{
String ttcName;
int ttcIndex;
try {
ttcName = baseName.JSubstring(0, ttcSplit + 4);
// count(.ttc) = 4
ttcIndex = Convert.ToInt32(baseName.Substring(ttcSplit + 5));
}
catch (FormatException nfe) {
// count(.ttc,) = 5)
throw new iText.IO.IOException(nfe.Message, nfe);
}
OpenTypeParser parser = new OpenTypeParser(ttcName, ttcIndex);
FontProgramDescriptor descriptor = FetchOpenTypeFontDescriptor(parser);
parser.Close();
return(descriptor);
}
else
{
return(null);
}
}
public static FontProgramDescriptor FetchDescriptor(String fontName)
{
if (fontName == null || fontName.Length == 0)
{
return(null);
}
String baseName = FontProgram.TrimFontStyle(fontName);
//yes, we trying to find built-in standard font with original name, not baseName.
bool isBuiltinFonts14 = StandardFonts.IsStandardFont(fontName);
bool isCidFont = !isBuiltinFonts14 && FontCache.IsPredefinedCidFont(baseName);
FontProgramDescriptor fontDescriptor = null;
if (FETCH_CACHED_FIRST)
{
fontDescriptor = FetchCachedDescriptor(fontName, null);
if (fontDescriptor != null)
{
return(fontDescriptor);
}
}
try {
String fontNameLowerCase = baseName.ToLowerInvariant();
if (isBuiltinFonts14 || fontNameLowerCase.EndsWith(".afm") || fontNameLowerCase.EndsWith(".pfm"))
{
fontDescriptor = FetchType1FontDescriptor(fontName, null);
}
else
{
if (isCidFont)
{
fontDescriptor = FetchCidFontDescriptor(fontName);
}
else
{
if (fontNameLowerCase.EndsWith(".ttf") || fontNameLowerCase.EndsWith(".otf"))
{
fontDescriptor = FetchTrueTypeFontDescriptor(fontName);
}
else
{
if (fontNameLowerCase.EndsWith(".woff") || fontNameLowerCase.EndsWith(".woff2"))
{
byte[] fontProgram;
if (fontNameLowerCase.EndsWith(".woff"))
{
fontProgram = WoffConverter.Convert(FontProgramFactory.ReadFontBytesFromPath(baseName));
}
else
{
fontProgram = Woff2Converter.Convert(FontProgramFactory.ReadFontBytesFromPath(baseName));
}
fontDescriptor = FetchTrueTypeFontDescriptor(fontProgram);
}
else
{
fontDescriptor = FetchTTCDescriptor(baseName);
}
}
}
}
}
catch (Exception) {
fontDescriptor = null;
}
return(fontDescriptor);
}
/// <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);
}
}
