/** Outputs to the writer the font dictionaries and streams. * @param writer the writer for this document * @param ref the font indirect reference * @param parms several parameters that depend on the font type * @throws IOException on error * @throws DocumentException error in generating the object */ internal override void WriteFont(PdfWriter writer, PdfIndirectReference piref, Object[] parms) { Hashtable longTag = (Hashtable)parms[0]; AddRangeUni(longTag, true, subset); ArrayList tmp = new ArrayList(); foreach (object o in longTag.Values) { tmp.Add(o); } Object[] metrics = tmp.ToArray(); Array.Sort(metrics, this); PdfIndirectReference ind_font = null; PdfObject pobj = null; PdfIndirectObject obj = null; PdfIndirectReference cidset = null; if (writer.PDFXConformance == PdfWriter.PDFA1A || writer.PDFXConformance == PdfWriter.PDFA1B) { PdfStream stream; if (metrics.Length == 0) { stream = new PdfStream(new byte[] { (byte)0x80 }); } else { int top = ((int[])metrics[metrics.Length - 1])[0]; byte[] bt = new byte[top / 8 + 1]; for (int k = 0; k < metrics.Length; ++k) { int v = ((int[])metrics[k])[0]; bt[v / 8] |= rotbits[v % 8]; } stream = new PdfStream(bt); stream.FlateCompress(compressionLevel); } cidset = writer.AddToBody(stream).IndirectReference; } // sivan: cff if (cff) { byte[] b = ReadCffFont(); if (subset || subsetRanges != null) { CFFFontSubset cffs = new CFFFontSubset(new RandomAccessFileOrArray(b), longTag); b = cffs.Process((cffs.GetNames())[0]); } pobj = new StreamFont(b, "CIDFontType0C", compressionLevel); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } else { byte[] b; if (subset || directoryOffset != 0) { TrueTypeFontSubSet sb = new TrueTypeFontSubSet(fileName, new RandomAccessFileOrArray(rf), longTag, directoryOffset, false, false); b = sb.Process(); } else { b = GetFullFont(); } int[] lengths = new int[] { b.Length }; pobj = new StreamFont(b, lengths, compressionLevel); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } String subsetPrefix = ""; if (subset) { subsetPrefix = CreateSubsetPrefix(); } PdfDictionary dic = GetFontDescriptor(ind_font, subsetPrefix, cidset); obj = writer.AddToBody(dic); ind_font = obj.IndirectReference; pobj = GetCIDFontType2(ind_font, subsetPrefix, metrics); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; pobj = GetToUnicode(metrics); PdfIndirectReference toUnicodeRef = null; if (pobj != null) { obj = writer.AddToBody(pobj); toUnicodeRef = obj.IndirectReference; } pobj = GetFontBaseType(ind_font, subsetPrefix, toUnicodeRef); writer.AddToBody(pobj, piref); }
/** Outputs to the writer the font dictionaries and streams. * @param writer the writer for this document * @param ref the font indirect reference * @param parms several parameters that depend on the font type * @throws IOException on error * @throws DocumentException error in generating the object */ internal override void WriteFont(PdfWriter writer, PdfIndirectReference piref, Object[] parms) { Hashtable longTag = (Hashtable)parms[0]; AddRangeUni(longTag, true, subset); ArrayList tmp = new ArrayList(); foreach (object o in longTag.Values) { tmp.Add(o); } Object[] metrics = tmp.ToArray(); Array.Sort(metrics, this); PdfIndirectReference ind_font = null; PdfObject pobj = null; PdfIndirectObject obj = null; PdfIndirectReference cidset = null; if (writer.PDFXConformance == PdfWriter.PDFA1A || writer.PDFXConformance == PdfWriter.PDFA1B) { PdfStream stream; if (metrics.Length == 0) { stream = new PdfStream(new byte[]{(byte)0x80}); } else { int top = ((int[])metrics[metrics.Length - 1])[0]; byte[] bt = new byte[top / 8 + 1]; for (int k = 0; k < metrics.Length; ++k) { int v = ((int[])metrics[k])[0]; bt[v / 8] |= rotbits[v % 8]; } stream = new PdfStream(bt); stream.FlateCompress(compressionLevel); } cidset = writer.AddToBody(stream).IndirectReference; } // sivan: cff if (cff) { byte[] b = ReadCffFont(); if (subset || subsetRanges != null) { CFFFontSubset cffs = new CFFFontSubset(new RandomAccessFileOrArray(b),longTag); b = cffs.Process((cffs.GetNames())[0] ); } pobj = new StreamFont(b, "CIDFontType0C", compressionLevel); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } else { byte[] b; if (subset || directoryOffset != 0) { TrueTypeFontSubSet sb = new TrueTypeFontSubSet(fileName, new RandomAccessFileOrArray(rf), longTag, directoryOffset, false, false); b = sb.Process(); } else { b = GetFullFont(); } int[] lengths = new int[]{b.Length}; pobj = new StreamFont(b, lengths, compressionLevel); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } String subsetPrefix = ""; if (subset) subsetPrefix = CreateSubsetPrefix(); PdfDictionary dic = GetFontDescriptor(ind_font, subsetPrefix, cidset); obj = writer.AddToBody(dic); ind_font = obj.IndirectReference; pobj = GetCIDFontType2(ind_font, subsetPrefix, metrics); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; pobj = GetToUnicode(metrics); PdfIndirectReference toUnicodeRef = null; if (pobj != null) { obj = writer.AddToBody(pobj); toUnicodeRef = obj.IndirectReference; } pobj = GetFontBaseType(ind_font, subsetPrefix, toUnicodeRef); writer.AddToBody(pobj, piref); }
/** Outputs to the writer the font dictionaries and streams. * @param writer the writer for this document * @param ref the font indirect reference * @param params several parameters that depend on the font type * @throws IOException on error * @throws DocumentException error in generating the object */ internal override void WriteFont(PdfWriter writer, PdfIndirectReference piref, Object[] parms) { int firstChar = (int)parms[0]; int lastChar = (int)parms[1]; byte[] shortTag = (byte[])parms[2]; bool subsetp = (bool)parms[3] && subset; if (!subsetp) { firstChar = 0; lastChar = shortTag.Length - 1; for (int k = 0; k < shortTag.Length; ++k) shortTag[k] = 1; } PdfIndirectReference ind_font = null; PdfObject pobj = null; PdfIndirectObject obj = null; string subsetPrefix = ""; if (embedded) { if (cff) { pobj = new StreamFont(ReadCffFont(), "Type1C", compressionLevel); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } else { if (subsetp) subsetPrefix = CreateSubsetPrefix(); Hashtable glyphs = new Hashtable(); for (int k = firstChar; k <= lastChar; ++k) { if (shortTag[k] != 0) { int[] metrics = null; if (specialMap != null) { int[] cd = GlyphList.NameToUnicode(differences[k]); if (cd != null) metrics = GetMetricsTT(cd[0]); } else { if (fontSpecific) metrics = GetMetricsTT(k); else metrics = GetMetricsTT(unicodeDifferences[k]); } if (metrics != null) glyphs[metrics[0]] = null; } } AddRangeUni(glyphs, false, subsetp); byte[] b = null; if (subsetp || directoryOffset != 0 || subsetRanges != null) { TrueTypeFontSubSet sb = new TrueTypeFontSubSet(fileName, new RandomAccessFileOrArray(rf), glyphs, directoryOffset, true, !subsetp); b = sb.Process(); } else { b = GetFullFont(); } int[] lengths = new int[]{b.Length}; pobj = new StreamFont(b, lengths, compressionLevel); obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } } pobj = GetFontDescriptor(ind_font, subsetPrefix, null); if (pobj != null){ obj = writer.AddToBody(pobj); ind_font = obj.IndirectReference; } pobj = GetFontBaseType(ind_font, subsetPrefix, firstChar, lastChar, shortTag); writer.AddToBody(pobj, piref); }