public virtual void AddUnusedStreamObjectsTest()
{
String outPdf = destinationFolder + "pdfA1b_docWithUnusedObjects_3.pdf";
String cmpPdf = sourceFolder + "cmp/PdfAFlushingTest/cmp_pdfA1b_docWithUnusedObjects_3.pdf";
PdfWriter writer = new PdfWriter(outPdf);
Stream @is = new FileStream(sourceFolder + "sRGB Color Space Profile.icm", FileMode.Open, FileAccess.Read);
PdfADocument pdfDocument = new PdfADocument(writer, PdfAConformanceLevel.PDF_A_1B, new PdfOutputIntent("Custom"
, "", "http://www.color.org", "sRGB IEC61966-2.1", @is));
pdfDocument.AddNewPage();
PdfDictionary unusedDictionary = new PdfDictionary();
PdfArray unusedArray = (PdfArray) new PdfArray().MakeIndirect(pdfDocument);
unusedArray.Add(new PdfNumber(42));
PdfStream stream = new PdfStream(new byte[] { 1, 2, 34, 45 }, 0);
unusedArray.Add(stream);
unusedDictionary.Put(new PdfName("testName"), unusedArray);
unusedDictionary.MakeIndirect(pdfDocument).Flush();
unusedDictionary.Flush();
pdfDocument.Close();
PdfReader testerReader = new PdfReader(outPdf);
PdfDocument testerDocument = new PdfDocument(testerReader);
NUnit.Framework.Assert.AreEqual(testerDocument.ListIndirectReferences().Count, 11);
testerDocument.Close();
CompareResult(outPdf, cmpPdf);
}
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(String.Format("{0}-{1}", name, cmapEncoding.GetCmapName()
)));
GetPdfObject().Put(PdfName.Encoding, new PdfName(cmapEncoding.GetCmapName()));
PdfDictionary fontDescriptor = GetFontDescriptor(name);
int[][] metrics = longTag.Values.ToArray(new int[0][]);
iText.IO.Util.JavaUtil.Sort(metrics, new PdfType0Font.MetricComparator());
PdfDictionary cidFont = GetCidFontType2(null, fontDescriptor, fontProgram.GetFontNames().GetFontName(), metrics
);
GetPdfObject().Put(PdfName.DescendantFonts, new PdfArray(cidFont));
fontDescriptor.Flush();
cidFont.Flush();
}
else
{
if (cidFontType == CID_FONT_TYPE_2)
{
TrueTypeFont ttf = (TrueTypeFont)GetFontProgram();
AddRangeUni(ttf, longTag, true);
int[][] metrics = longTag.Values.ToArray(new int[0][]);
iText.IO.Util.JavaUtil.Sort(metrics, new PdfType0Font.MetricComparator());
PdfStream fontStream;
String fontName = ttf.GetFontNames().GetFontName();
if (subset)
{
fontName = CreateSubsetPrefix() + fontName;
}
PdfDictionary fontDescriptor = GetFontDescriptor(fontName);
if (ttf.IsCff())
{
byte[] cffBytes = ttf.GetFontStreamBytes();
if (subset || subsetRanges != null)
{
CFFFontSubset cff = new CFFFontSubset(ttf.GetFontStreamBytes(), longTag);
cffBytes = cff.Process(cff.GetNames()[0]);
}
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(String.Format("{0}-{1}", fontName, cmapEncoding.GetCmapName
())));
fontDescriptor.Put(PdfName.FontFile3, fontStream);
}
else
{
byte[] ttfBytes;
if (subset || ttf.GetDirectoryOffset() != 0)
{
ttfBytes = ttf.GetSubset(new LinkedHashSet <int>(longTag.Keys), true);
}
else
{
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.maxGlyphId 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 maxGlyphId = ttf.GetFontMetrics().GetMaxGlyphId();
byte[] cidSetBytes = new byte[ttf.GetFontMetrics().GetMaxGlyphId() / 8 + 1];
for (int i = 0; i < maxGlyphId / 8; i++)
{
cidSetBytes[i] |= 0xff;
}
for (int i_1 = 0; i_1 < maxGlyphId % 8; i_1++)
{
cidSetBytes[cidSetBytes.Length - 1] |= rotbits[i_1];
}
fontDescriptor.Put(PdfName.CIDSet, new PdfStream(cidSetBytes));
PdfDictionary cidFont = GetCidFontType2(ttf, fontDescriptor, fontName, metrics);
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(metrics);
if (toUnicode != null)
{
GetPdfObject().Put(PdfName.ToUnicode, toUnicode);
toUnicode.Flush();
}
fontDescriptor.Flush();
cidFont.Flush();
}
else
{
throw new InvalidOperationException("Unsupported CID Font");
}
}
}
protected internal virtual void FlushFontData(String fontName, PdfName subtype)
{
GetPdfObject().Put(PdfName.Subtype, subtype);
if (fontName != null && fontName.Length > 0)
{
GetPdfObject().Put(PdfName.BaseFont, new PdfName(fontName));
}
int firstChar;
int lastChar;
for (firstChar = 0; firstChar < 256; ++firstChar)
{
if (shortTag[firstChar] != 0)
{
break;
}
}
for (lastChar = 255; lastChar >= firstChar; --lastChar)
{
if (shortTag[lastChar] != 0)
{
break;
}
}
if (firstChar > 255)
{
firstChar = 255;
lastChar = 255;
}
if (!IsSubset() || !IsEmbedded())
{
firstChar = 0;
lastChar = shortTag.Length - 1;
for (int k = 0; k < shortTag.Length; ++k)
{
// remove unsupported by encoding values in case custom encoding.
// save widths information in case standard pdf encodings (winansi or macroman)
if (fontEncoding.CanDecode(k))
{
shortTag[k] = 1;
}
else
{
if (!fontEncoding.HasDifferences() && fontProgram.GetGlyphByCode(k) != null)
{
shortTag[k] = 1;
}
else
{
shortTag[k] = 0;
}
}
}
}
if (fontEncoding.HasDifferences())
{
// trim range of symbols
for (int k = firstChar; k <= lastChar; ++k)
{
if (!FontEncoding.NOTDEF.Equals(fontEncoding.GetDifference(k)))
{
firstChar = k;
break;
}
}
for (int k = lastChar; k >= firstChar; --k)
{
if (!FontEncoding.NOTDEF.Equals(fontEncoding.GetDifference(k)))
{
lastChar = k;
break;
}
}
PdfDictionary enc = new PdfDictionary();
enc.Put(PdfName.Type, PdfName.Encoding);
PdfArray diff = new PdfArray();
bool gap = true;
for (int k = firstChar; k <= lastChar; ++k)
{
if (shortTag[k] != 0)
{
if (gap)
{
diff.Add(new PdfNumber(k));
gap = false;
}
diff.Add(new PdfName(fontEncoding.GetDifference(k)));
}
else
{
gap = true;
}
}
enc.Put(PdfName.Differences, diff);
GetPdfObject().Put(PdfName.Encoding, enc);
}
else
{
if (!fontEncoding.IsFontSpecific())
{
GetPdfObject().Put(PdfName.Encoding, PdfEncodings.CP1252.Equals(fontEncoding.GetBaseEncoding()) ? PdfName.
WinAnsiEncoding : PdfName.MacRomanEncoding);
}
}
if (IsForceWidthsOutput() || !IsBuiltInFont() || fontEncoding.HasDifferences())
{
GetPdfObject().Put(PdfName.FirstChar, new PdfNumber(firstChar));
GetPdfObject().Put(PdfName.LastChar, new PdfNumber(lastChar));
PdfArray wd = new PdfArray();
for (int k = firstChar; k <= lastChar; ++k)
{
if (shortTag[k] == 0)
{
wd.Add(new PdfNumber(0));
}
else
{
//prevent lost of widths info
int uni = fontEncoding.GetUnicode(k);
Glyph glyph = uni > -1 ? GetGlyph(uni) : fontProgram.GetGlyphByCode(k);
wd.Add(new PdfNumber(glyph != null ? glyph.GetWidth() : 0));
}
}
GetPdfObject().Put(PdfName.Widths, wd);
}
PdfDictionary fontDescriptor = !IsBuiltInFont() ? GetFontDescriptor(fontName) : null;
if (fontDescriptor != null)
{
GetPdfObject().Put(PdfName.FontDescriptor, fontDescriptor);
if (fontDescriptor.GetIndirectReference() != null)
{
fontDescriptor.Flush();
}
}
}
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");
}
}
}
