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);
}
private static FontProgram CreateFont(String name, byte[] fontProgram, bool cached)
{
String baseName = FontProgram.TrimFontStyle(name);
//yes, we trying to find built-in standard font with original name, not baseName.
bool isBuiltinFonts14 = StandardFonts.IsStandardFont(name);
bool isCidFont = !isBuiltinFonts14 && FontCache.IsPredefinedCidFont(baseName);
FontProgram fontFound;
FontCacheKey fontKey = null;
if (cached)
{
fontKey = CreateFontCacheKey(name, fontProgram);
fontFound = FontCache.GetFont(fontKey);
if (fontFound != null)
{
return(fontFound);
}
}
FontProgram fontBuilt = null;
if (name == null)
{
if (fontProgram != null)
{
try {
if (WoffConverter.IsWoffFont(fontProgram))
{
fontProgram = WoffConverter.Convert(fontProgram);
}
else
{
if (Woff2Converter.IsWoff2Font(fontProgram))
{
fontProgram = Woff2Converter.Convert(fontProgram);
}
}
fontBuilt = new TrueTypeFont(fontProgram);
}
catch (Exception) {
}
if (fontBuilt == null)
{
try {
fontBuilt = new Type1Font(null, null, fontProgram, null);
}
catch (Exception) {
}
}
}
}
else
{
String fontFileExtension = null;
int extensionBeginIndex = baseName.LastIndexOf('.');
if (extensionBeginIndex > 0)
{
fontFileExtension = baseName.Substring(extensionBeginIndex).ToLowerInvariant();
}
if (isBuiltinFonts14 || ".afm".Equals(fontFileExtension) || ".pfm".Equals(fontFileExtension))
{
fontBuilt = new Type1Font(name, null, null, null);
}
else
{
if (isCidFont)
{
fontBuilt = new CidFont(name, FontCache.GetCompatibleCmaps(baseName));
}
else
{
if (".ttf".Equals(fontFileExtension) || ".otf".Equals(fontFileExtension))
{
if (fontProgram != null)
{
fontBuilt = new TrueTypeFont(fontProgram);
}
else
{
fontBuilt = new TrueTypeFont(name);
}
}
else
{
if (".woff".Equals(fontFileExtension) || ".woff2".Equals(fontFileExtension))
{
if (fontProgram == null)
{
fontProgram = ReadFontBytesFromPath(baseName);
}
if (".woff".Equals(fontFileExtension))
{
try {
fontProgram = WoffConverter.Convert(fontProgram);
}
catch (ArgumentException woffException) {
throw new iText.IO.IOException(iText.IO.IOException.InvalidWoffFile, woffException);
}
}
else
{
// ".woff2".equals(fontFileExtension)
try {
fontProgram = Woff2Converter.Convert(fontProgram);
}
catch (FontCompressionException woff2Exception) {
throw new iText.IO.IOException(iText.IO.IOException.InvalidWoff2File, woff2Exception);
}
}
fontBuilt = new TrueTypeFont(fontProgram);
}
else
{
int ttcSplit = baseName.ToLowerInvariant().IndexOf(".ttc,", StringComparison.Ordinal);
if (ttcSplit > 0)
{
try {
// count(.ttc) = 4
String ttcName = baseName.JSubstring(0, ttcSplit + 4);
// count(.ttc,) = 5)
int ttcIndex = Convert.ToInt32(baseName.Substring(ttcSplit + 5));
fontBuilt = new TrueTypeFont(ttcName, ttcIndex);
}
catch (FormatException nfe) {
throw new iText.IO.IOException(nfe.Message, nfe);
}
}
}
}
}
}
}
if (fontBuilt == null)
{
if (name != null)
{
throw new iText.IO.IOException(iText.IO.IOException.TypeOfFont1IsNotRecognized).SetMessageParams(name);
}
else
{
throw new iText.IO.IOException(iText.IO.IOException.TypeOfFontIsNotRecognized);
}
}
return(cached ? FontCache.SaveFont(fontBuilt, fontKey) : fontBuilt);
}
