internal override void WriteFont(PdfWriter writer, PdfIndirectReference piRef, Object[] oParams)
{
if (this.writer != writer)
throw new ArgumentException("Type3 font used with the wrong PdfWriter");
if (char2byte.Size != widths3.Size)
throw new DocumentException("Not all the glyphs in the Type3 font are defined");
IntHashtable inv = new IntHashtable();
for (IntHashtable.IntHashtableIterator it = char2byte.GetEntryIterator(); it.HasNext();) {
IntHashtable.IntHashtableEntry entry = it.Next();
inv[entry.Value] = entry.Key;
}
int[] invOrd = inv.ToOrderedKeys();
int firstChar = invOrd[0];
int lastChar = invOrd[invOrd.Length - 1];
int[] widths = new int[lastChar - firstChar + 1];
for (int k = 0; k < widths.Length; ++k) {
if (inv.ContainsKey(k + firstChar))
widths[k] = widths3[inv[k + firstChar]];
}
PdfArray diffs = new PdfArray();
PdfDictionary charprocs = new PdfDictionary();
int last = -1;
for (int k = 0; k < invOrd.Length; ++k) {
int c = invOrd[k];
if (c > last) {
last = c;
diffs.Add(new PdfNumber(last));
}
++last;
int c2 = inv[c];
String s = GlyphList.UnicodeToName(c2);
if (s == null)
s = "a" + c2;
PdfName n = new PdfName(s);
diffs.Add(n);
Type3Glyph glyph = (Type3Glyph)char2glyph[(char)c2];
PdfStream stream = new PdfStream(glyph.ToPdf(null));
stream.FlateCompress();
PdfIndirectReference refp = writer.AddToBody(stream).IndirectReference;
charprocs.Put(n, refp);
}
PdfDictionary font = new PdfDictionary(PdfName.FONT);
font.Put(PdfName.SUBTYPE, PdfName.TYPE3);
if (colorized)
font.Put(PdfName.FONTBBOX, new PdfRectangle(0, 0, 0, 0));
else
font.Put(PdfName.FONTBBOX, new PdfRectangle(llx, lly, urx, ury));
font.Put(PdfName.FONTMATRIX, new PdfArray(new float[]{0.001f, 0, 0, 0.001f, 0, 0}));
font.Put(PdfName.CHARPROCS, writer.AddToBody(charprocs).IndirectReference);
PdfDictionary encoding = new PdfDictionary();
encoding.Put(PdfName.DIFFERENCES, diffs);
font.Put(PdfName.ENCODING, writer.AddToBody(encoding).IndirectReference);
font.Put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
font.Put(PdfName.LASTCHAR, new PdfNumber(lastChar));
font.Put(PdfName.WIDTHS, writer.AddToBody(new PdfArray(widths)).IndirectReference);
if (pageResources.HasResources())
font.Put(PdfName.RESOURCES, writer.AddToBody(pageResources.Resources).IndirectReference);
writer.AddToBody(font, piRef);
}