public virtual void TrueTypeFontAndCmapConstructorTest()
{
TrueTypeFont ttf = new TrueTypeFont(sourceFolder + "NotoSerif-Regular_v1.7.ttf");
PdfType0Font type0Font = new PdfType0Font(ttf, PdfEncodings.IDENTITY_H);
CMapEncoding cmap = type0Font.GetCmap();
NUnit.Framework.Assert.IsNotNull(cmap);
NUnit.Framework.Assert.IsTrue(cmap.IsDirect());
NUnit.Framework.Assert.IsFalse(cmap.HasUniMap());
NUnit.Framework.Assert.IsNull(cmap.GetUniMapName());
NUnit.Framework.Assert.AreEqual("Adobe", cmap.GetRegistry());
NUnit.Framework.Assert.AreEqual("Identity", cmap.GetOrdering());
NUnit.Framework.Assert.AreEqual(0, cmap.GetSupplement());
NUnit.Framework.Assert.AreEqual(PdfEncodings.IDENTITY_H, cmap.GetCmapName());
}
public virtual void DictionaryConstructorTest()
{
String filePath = sourceFolder + "documentWithType0Noto.pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfReader(filePath));
PdfDictionary fontDict = pdfDocument.GetPage(1).GetResources().GetResource(PdfName.Font).GetAsDictionary(new
PdfName("F1"));
PdfType0Font type0Font = new PdfType0Font(fontDict);
CMapEncoding cmap = type0Font.GetCmap();
NUnit.Framework.Assert.IsNotNull(cmap);
NUnit.Framework.Assert.IsTrue(cmap.IsDirect());
NUnit.Framework.Assert.IsFalse(cmap.HasUniMap());
NUnit.Framework.Assert.IsNull(cmap.GetUniMapName());
NUnit.Framework.Assert.AreEqual("Adobe", cmap.GetRegistry());
NUnit.Framework.Assert.AreEqual("Identity", cmap.GetOrdering());
NUnit.Framework.Assert.AreEqual(0, cmap.GetSupplement());
NUnit.Framework.Assert.AreEqual(PdfEncodings.IDENTITY_H, cmap.GetCmapName());
}
private void FlushFontData()
{
if (cidFontType == CID_FONT_TYPE_0)
{
GetPdfObject().Put(PdfName.Type, PdfName.Font);
GetPdfObject().Put(PdfName.Subtype, PdfName.Type0);
String name = fontProgram.GetFontNames().GetFontName();
String style = fontProgram.GetFontNames().GetStyle();
if (style.Length > 0)
{
name += "-" + style;
}
GetPdfObject().Put(PdfName.BaseFont, new PdfName(MessageFormatUtil.Format("{0}-{1}", name, cmapEncoding.GetCmapName
())));
GetPdfObject().Put(PdfName.Encoding, new PdfName(cmapEncoding.GetCmapName()));
PdfDictionary fontDescriptor = GetFontDescriptor(name);
PdfDictionary cidFont = GetCidFont(fontDescriptor, fontProgram.GetFontNames().GetFontName(), false);
GetPdfObject().Put(PdfName.DescendantFonts, new PdfArray(cidFont));
fontDescriptor.Flush();
cidFont.Flush();
}
else
{
if (cidFontType == CID_FONT_TYPE_2)
{
TrueTypeFont ttf = (TrueTypeFont)GetFontProgram();
String fontName = UpdateSubsetPrefix(ttf.GetFontNames().GetFontName(), subset, embedded);
PdfDictionary fontDescriptor = GetFontDescriptor(fontName);
PdfStream fontStream;
ttf.UpdateUsedGlyphs((SortedSet <int>)longTag, subset, subsetRanges);
if (ttf.IsCff())
{
byte[] cffBytes;
if (subset)
{
cffBytes = new CFFFontSubset(ttf.GetFontStreamBytes(), longTag).Process();
}
else
{
cffBytes = ttf.GetFontStreamBytes();
}
fontStream = GetPdfFontStream(cffBytes, new int[] { cffBytes.Length });
fontStream.Put(PdfName.Subtype, new PdfName("CIDFontType0C"));
// The PDF Reference manual advises to add -cmap in case CIDFontType0
GetPdfObject().Put(PdfName.BaseFont, new PdfName(MessageFormatUtil.Format("{0}-{1}", fontName, cmapEncoding
.GetCmapName())));
fontDescriptor.Put(PdfName.FontFile3, fontStream);
}
else
{
byte[] ttfBytes = null;
//getDirectoryOffset() > 0 means ttc, which shall be subsetted anyway.
if (subset || ttf.GetDirectoryOffset() > 0)
{
try {
ttfBytes = ttf.GetSubset(longTag, subset);
}
catch (iText.IO.IOException) {
ILog logger = LogManager.GetLogger(typeof(iText.Kernel.Font.PdfType0Font));
logger.Warn(iText.IO.LogMessageConstant.FONT_SUBSET_ISSUE);
ttfBytes = null;
}
}
if (ttfBytes == null)
{
ttfBytes = ttf.GetFontStreamBytes();
}
fontStream = GetPdfFontStream(ttfBytes, new int[] { ttfBytes.Length });
GetPdfObject().Put(PdfName.BaseFont, new PdfName(fontName));
fontDescriptor.Put(PdfName.FontFile2, fontStream);
}
// CIDSet shall be based on font.numberOfGlyphs property of the font, it is maxp.numGlyphs for ttf,
// because technically we convert all unused glyphs to space, e.g. just remove outlines.
int numOfGlyphs = ttf.GetFontMetrics().GetNumberOfGlyphs();
byte[] cidSetBytes = new byte[ttf.GetFontMetrics().GetNumberOfGlyphs() / 8 + 1];
for (int i = 0; i < numOfGlyphs / 8; i++)
{
cidSetBytes[i] |= 0xff;
}
for (int i = 0; i < numOfGlyphs % 8; i++)
{
cidSetBytes[cidSetBytes.Length - 1] |= rotbits[i];
}
fontDescriptor.Put(PdfName.CIDSet, new PdfStream(cidSetBytes));
PdfDictionary cidFont = GetCidFont(fontDescriptor, fontName, !ttf.IsCff());
GetPdfObject().Put(PdfName.Type, PdfName.Font);
GetPdfObject().Put(PdfName.Subtype, PdfName.Type0);
GetPdfObject().Put(PdfName.Encoding, new PdfName(cmapEncoding.GetCmapName()));
GetPdfObject().Put(PdfName.DescendantFonts, new PdfArray(cidFont));
PdfStream toUnicode = GetToUnicode();
if (toUnicode != null)
{
GetPdfObject().Put(PdfName.ToUnicode, toUnicode);
if (toUnicode.GetIndirectReference() != null)
{
toUnicode.Flush();
}
}
// getPdfObject().getIndirectReference() != null by assertion of PdfType0Font#flush()
// This means, that fontDescriptor, cidFont and fontStream already are indirects
if (GetPdfObject().GetIndirectReference().GetDocument().GetPdfVersion().CompareTo(PdfVersion.PDF_2_0) >= 0
)
{
// CIDSet is deprecated in PDF 2.0
fontDescriptor.Remove(PdfName.CIDSet);
}
fontDescriptor.Flush();
cidFont.Flush();
fontStream.Flush();
}
else
{
throw new InvalidOperationException("Unsupported CID Font");
}
}
}