internal override void WriteFont(PdfWriter writer, PdfIndirectReference piref, Object[] parms)
{
IntHashtable cjkTag = (IntHashtable)parms[0];
PdfIndirectReference ind_font = null;
PdfObject pobj = null;
PdfIndirectObject obj = null;
pobj = GetFontDescriptor();
if (pobj != null)
{
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
pobj = GetCIDFont(ind_font, cjkTag);
if (pobj != null)
{
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
pobj = GetFontBaseType(ind_font);
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)
{
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;
pobj = GetFullFontStream();
if (pobj != null)
{
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
pobj = GetFontDescriptor(ind_font);
if (pobj != null)
{
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
pobj = GetFontBaseType(ind_font, firstChar, lastChar, shortTag);
writer.AddToBody(pobj, piref);
}
/**
* Returns the CrossReferenceTable of the <CODE>Body</CODE>.
* @param os
* @param root
* @param info
* @param encryption
* @param fileID
* @param prevxref
* @throws IOException
*/
internal void WriteCrossReferenceTable(Stream os, PdfIndirectReference root, PdfIndirectReference info, PdfIndirectReference encryption, PdfObject fileID, int prevxref)
{
int refNumber = 0;
if (writer.FullCompression) {
FlushObjStm();
refNumber = IndirectReferenceNumber;
xrefs[new PdfCrossReference(refNumber, position)] = null;
}
int first = ((PdfCrossReference)xrefs.GetMinKey()).Refnum;
int len = 0;
ArrayList sections = new ArrayList();
foreach (PdfCrossReference entry in xrefs.Keys) {
if (first + len == entry.Refnum)
++len;
else {
sections.Add(first);
sections.Add(len);
first = entry.Refnum;
len = 1;
}
}
sections.Add(first);
sections.Add(len);
if (writer.FullCompression) {
int mid = 4;
uint mask = 0xff000000;
for (; mid > 1; --mid) {
if ((mask & position) != 0)
break;
mask >>= 8;
}
ByteBuffer buf = new ByteBuffer();
foreach (PdfCrossReference entry in xrefs.Keys) {
entry.ToPdf(mid, buf);
}
PdfStream xr = new PdfStream(buf.ToByteArray());
buf = null;
xr.FlateCompress(writer.CompressionLevel);
xr.Put(PdfName.SIZE, new PdfNumber(Size));
xr.Put(PdfName.ROOT, root);
if (info != null) {
xr.Put(PdfName.INFO, info);
}
if (encryption != null)
xr.Put(PdfName.ENCRYPT, encryption);
if (fileID != null)
xr.Put(PdfName.ID, fileID);
xr.Put(PdfName.W, new PdfArray(new int[]{1, mid, 2}));
xr.Put(PdfName.TYPE, PdfName.XREF);
PdfArray idx = new PdfArray();
for (int k = 0; k < sections.Count; ++k)
idx.Add(new PdfNumber((int)sections[k]));
xr.Put(PdfName.INDEX, idx);
if (prevxref > 0)
xr.Put(PdfName.PREV, new PdfNumber(prevxref));
PdfEncryption enc = writer.crypto;
writer.crypto = null;
PdfIndirectObject indirect = new PdfIndirectObject(refNumber, xr, writer);
indirect.WriteTo(writer.Os);
writer.crypto = enc;
}
else {
byte[] tmp = GetISOBytes("xref\n");
os.Write(tmp, 0, tmp.Length);
IEnumerator i = xrefs.Keys;
i.MoveNext();
for (int k = 0; k < sections.Count; k += 2) {
first = (int)sections[k];
len = (int)sections[k + 1];
tmp = GetISOBytes(first.ToString());
os.Write(tmp, 0, tmp.Length);
os.WriteByte((byte)' ');
tmp = GetISOBytes(len.ToString());
os.Write(tmp, 0, tmp.Length);
os.WriteByte((byte)'\n');
while (len-- > 0) {
((PdfCrossReference)i.Current).ToPdf(os);
i.MoveNext();
}
}
}
}
internal PdfIndirectObject Add(PdfObject objecta, int refNumber, bool inObjStm)
{
if (inObjStm && objecta.CanBeInObjStm() && writer.FullCompression) {
PdfCrossReference pxref = AddToObjStm(objecta, refNumber);
PdfIndirectObject indirect = new PdfIndirectObject(refNumber, objecta, writer);
xrefs.Remove(pxref);
xrefs[pxref] = null;
return indirect;
}
else {
PdfIndirectObject indirect = new PdfIndirectObject(refNumber, objecta, writer);
PdfCrossReference pxref = new PdfCrossReference(refNumber, position);
xrefs.Remove(pxref);
xrefs[pxref] = null;
indirect.WriteTo(writer.Os);
position = writer.Os.Counter;
return indirect;
}
}
/** 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);
}