// Note. Make this constructor protected. Only PdfFontFactory (kernel level) will
// be able to create Type0 font based on predefined font.
// Or not? Possible it will be convenient construct PdfType0Font based on custom CidFont.
// There is no typography features in CJK fonts.
internal PdfType0Font(CidFont font, String cmap)
: base()
{
if (!CidFontProperties.IsCidFont(font.GetFontNames().GetFontName(), cmap))
{
throw new PdfException("Font {0} with {1} encoding is not a cjk font.").SetMessageParams(font.GetFontNames
().GetFontName(), cmap);
}
this.fontProgram = font;
vertical = cmap.EndsWith("V");
String uniMap = GetCompatibleUniMap(fontProgram.GetRegistry());
cmapEncoding = new CMapEncoding(cmap, uniMap);
longTag = new SortedSet <int>();
cidFontType = CID_FONT_TYPE_0;
}
internal PdfType0Font(CidFont font, String cmap)
: base()
{
// Note. Make this constructor protected. Only PdfFontFactory (kernel level) will
// be able to create Type0 font based on predefined font.
// Or not? Possible it will be convenient construct PdfType0Font based on custom CidFont.
// There is no typography features in CJK fonts.
if (!CidFontProperties.IsCidFont(font.GetFontNames().GetFontName(), cmap))
{
throw new PdfException("font.1.with.2.encoding.is.not.a.cjk.font").SetMessageParams(font.GetFontNames().GetFontName
(), cmap);
}
this.fontProgram = font;
vertical = cmap.EndsWith("V");
String uniMap = GetCompatibleUniMap(fontProgram.GetRegistry());
cmapEncoding = new CMapEncoding(cmap, uniMap);
longTag = new LinkedDictionary <int, int[]>();
cidFontType = CID_FONT_TYPE_0;
}
private String GetCompatibleUniMap(String registry)
{
String uniMap = "";
foreach (String name in CidFontProperties.GetRegistryNames().Get(registry + "_Uni"))
{
uniMap = name;
if (name.EndsWith("V") && vertical)
{
break;
}
else
{
if (!name.EndsWith("V") && !vertical)
{
break;
}
}
}
return(uniMap);
}
internal PdfType0Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
CheckFontDictionary(fontDictionary, PdfName.Type0);
newFont = false;
PdfDictionary cidFont = fontDictionary.GetAsArray(PdfName.DescendantFonts).GetAsDictionary(0);
String cmap = fontDictionary.GetAsName(PdfName.Encoding).GetValue();
if (PdfEncodings.IDENTITY_H.Equals(cmap) || PdfEncodings.IDENTITY_V.Equals(cmap))
{
PdfObject toUnicode = fontDictionary.Get(PdfName.ToUnicode);
CMapToUnicode toUnicodeCMap = FontUtil.ProcessToUnicode(toUnicode);
if (toUnicodeCMap == null)
{
String uniMap = GetUniMapFromOrdering(GetOrdering(cidFont));
toUnicodeCMap = FontUtil.GetToUnicodeFromUniMap(uniMap);
if (toUnicodeCMap == null)
{
toUnicodeCMap = FontUtil.GetToUnicodeFromUniMap(PdfEncodings.IDENTITY_H);
ILogger logger = LoggerFactory.GetLogger(typeof(iText.Kernel.Font.PdfType0Font));
logger.Error(String.Format(LogMessageConstant.UNKNOWN_CMAP, uniMap));
}
}
fontProgram = DocTrueTypeFont.CreateFontProgram(cidFont, toUnicodeCMap);
cmapEncoding = new CMapEncoding(cmap);
System.Diagnostics.Debug.Assert(fontProgram is IDocFontProgram);
embedded = ((IDocFontProgram)fontProgram).GetFontFile() != null;
cidFontType = CID_FONT_TYPE_2;
}
else
{
String cidFontName = cidFont.GetAsName(PdfName.BaseFont).GetValue();
String uniMap = GetUniMapFromOrdering(GetOrdering(cidFont));
if (uniMap != null && uniMap.StartsWith("Uni") && CidFontProperties.IsCidFont(cidFontName, uniMap))
{
try {
fontProgram = FontProgramFactory.CreateFont(cidFontName);
cmapEncoding = new CMapEncoding(cmap, uniMap);
embedded = false;
}
catch (System.IO.IOException) {
fontProgram = null;
cmapEncoding = null;
}
}
else
{
CMapToUnicode toUnicodeCMap = FontUtil.GetToUnicodeFromUniMap(uniMap);
if (toUnicodeCMap != null)
{
fontProgram = DocTrueTypeFont.CreateFontProgram(cidFont, toUnicodeCMap);
cmapEncoding = new CMapEncoding(cmap, uniMap);
}
}
if (fontProgram == null)
{
throw new PdfException(String.Format("Cannot recognise document font {0} with {1} encoding", cidFontName,
cmap));
}
cidFontType = CID_FONT_TYPE_0;
}
longTag = new LinkedDictionary <int, int[]>();
subset = false;
}
internal PdfType0Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
newFont = false;
PdfDictionary cidFont = fontDictionary.GetAsArray(PdfName.DescendantFonts).GetAsDictionary(0);
PdfObject cmap = fontDictionary.Get(PdfName.Encoding);
PdfObject toUnicode = fontDictionary.Get(PdfName.ToUnicode);
CMapToUnicode toUnicodeCMap = FontUtil.ProcessToUnicode(toUnicode);
if (cmap.IsName() && (PdfEncodings.IDENTITY_H.Equals(((PdfName)cmap).GetValue()) || PdfEncodings.IDENTITY_V
.Equals(((PdfName)cmap).GetValue())))
{
if (toUnicodeCMap == null)
{
String uniMap = GetUniMapFromOrdering(GetOrdering(cidFont));
toUnicodeCMap = FontUtil.GetToUnicodeFromUniMap(uniMap);
if (toUnicodeCMap == null)
{
toUnicodeCMap = FontUtil.GetToUnicodeFromUniMap(PdfEncodings.IDENTITY_H);
ILog logger = LogManager.GetLogger(typeof(iText.Kernel.Font.PdfType0Font));
logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.UNKNOWN_CMAP, uniMap));
}
}
fontProgram = DocTrueTypeFont.CreateFontProgram(cidFont, toUnicodeCMap);
cmapEncoding = CreateCMap(cmap, null);
System.Diagnostics.Debug.Assert(fontProgram is IDocFontProgram);
embedded = ((IDocFontProgram)fontProgram).GetFontFile() != null;
}
else
{
String cidFontName = cidFont.GetAsName(PdfName.BaseFont).GetValue();
String uniMap = GetUniMapFromOrdering(GetOrdering(cidFont));
if (uniMap != null && uniMap.StartsWith("Uni") && CidFontProperties.IsCidFont(cidFontName, uniMap))
{
try {
fontProgram = FontProgramFactory.CreateFont(cidFontName);
cmapEncoding = CreateCMap(cmap, uniMap);
embedded = false;
}
catch (System.IO.IOException) {
fontProgram = null;
cmapEncoding = null;
}
}
else
{
if (toUnicodeCMap == null)
{
toUnicodeCMap = FontUtil.GetToUnicodeFromUniMap(uniMap);
}
if (toUnicodeCMap != null)
{
fontProgram = DocTrueTypeFont.CreateFontProgram(cidFont, toUnicodeCMap);
cmapEncoding = CreateCMap(cmap, uniMap);
}
}
if (fontProgram == null)
{
throw new PdfException(MessageFormatUtil.Format(PdfException.CannotRecogniseDocumentFontWithEncoding, cidFontName
, cmap));
}
}
// DescendantFonts is a one-element array specifying the CIDFont dictionary that is the descendant of this Type 0 font.
PdfDictionary cidFontDictionary = fontDictionary.GetAsArray(PdfName.DescendantFonts).GetAsDictionary(0);
// Required according to the spec
PdfName subtype = cidFontDictionary.GetAsName(PdfName.Subtype);
if (PdfName.CIDFontType0.Equals(subtype))
{
cidFontType = CID_FONT_TYPE_0;
}
else
{
if (PdfName.CIDFontType2.Equals(subtype))
{
cidFontType = CID_FONT_TYPE_2;
}
else
{
LogManager.GetLogger(GetType()).Error(iText.IO.LogMessageConstant.FAILED_TO_DETERMINE_CID_FONT_SUBTYPE);
}
}
longTag = new SortedSet <int>();
subset = false;
}