/**
* If the child of a structured element is a dictionary, we inspect the
* child; we may also draw a tag.
*
* @param k
* the child dictionary to inspect
*/
public void InspectChildDictionary(PdfDictionary k)
{
if (k == null)
{
return;
}
PdfName s = k.GetAsName(PdfName.S);
if (s != null)
{
String tagN = PdfName.DecodeName(s.ToString());
String tag = FixTagName(tagN);
outp.Write("<");
outp.Write(tag);
outp.Write(">");
PdfDictionary dict = k.GetAsDict(PdfName.PG);
if (dict != null)
{
ParseTag(tagN, k.GetDirectObject(PdfName.K), dict);
}
InspectChild(k.Get(PdfName.K));
outp.Write("</");
outp.Write(tag);
outp.WriteLine(">");
}
else
{
InspectChild(k.Get(PdfName.K));
}
}
/**
* If the child of a structured element is a dictionary, we inspect the
* child; we may also draw a tag.
*
* @param k
* the child dictionary to inspect
*/
virtual public void InspectChildDictionary(PdfDictionary k, bool inspectAttributes)
{
if (k == null)
{
return;
}
PdfName s = k.GetAsName(PdfName.S);
if (s != null)
{
String tagN = PdfName.DecodeName(s.ToString());
String tag = FixTagName(tagN);
outp.Write("<");
outp.Write(tag);
if (inspectAttributes)
{
PdfDictionary a = k.GetAsDict(PdfName.A);
if (a != null)
{
Dictionary <PdfName, PdfObject> .KeyCollection keys = a.Keys;
foreach (PdfName key in keys)
{
outp.Write(' ');
PdfObject value = a.Get(key);
value = PdfReader.GetPdfObject(value);
outp.Write(XmlName(key));
outp.Write("=\"");
outp.Write(value.ToString());
outp.Write("\"");
}
}
}
outp.Write(">");
PdfObject alt = k.Get(PdfName.ALT);
if (alt != null && alt.ToString() != null)
{
outp.Write("<alt><![CDATA[");
outp.Write(Regex.Replace(alt.ToString(), "[\\000]*", ""));
outp.Write("]]></alt>");
}
PdfDictionary dict = k.GetAsDict(PdfName.PG);
if (dict != null)
{
ParseTag(tagN, k.GetDirectObject(PdfName.K), dict);
}
InspectChild(k.GetDirectObject(PdfName.K));
outp.Write("</");
outp.Write(tag);
outp.WriteLine(">");
}
else
{
InspectChild(k.GetDirectObject(PdfName.K));
}
}
/** Gets the field value or <CODE>null</CODE> if the field does not
* exist or has no value defined.
* @param name the fully qualified field name
* @return the field value or <CODE>null</CODE>
*/
public String GetFieldValue(String name)
{
PdfDictionary field = (PdfDictionary)fields[name];
if (field == null)
{
return(null);
}
PdfObject v = GetPdfObject(field.Get(PdfName.V));
if (v == null)
{
return(null);
}
if (v.IsName())
{
return(PdfName.DecodeName(((PdfName)v).ToString()));
}
else if (v.IsString())
{
PdfString vs = (PdfString)v;
if (encoding == null || vs.Encoding != null)
{
return(vs.ToUnicodeString());
}
byte[] b = vs.GetBytes();
if (b.Length >= 2 && b[0] == (byte)254 && b[1] == (byte)255)
{
return(vs.ToUnicodeString());
}
try {
if (encoding.Equals(PdfName.SHIFT_JIS))
{
return(Encoding.GetEncoding(932).GetString(b));
}
else if (encoding.Equals(PdfName.UHC))
{
return(Encoding.GetEncoding(949).GetString(b));
}
else if (encoding.Equals(PdfName.GBK))
{
return(Encoding.GetEncoding(936).GetString(b));
}
else if (encoding.Equals(PdfName.BIGFIVE))
{
return(Encoding.GetEncoding(950).GetString(b));
}
}
catch {
}
return(vs.ToUnicodeString());
}
return(null);
}
private int GetXObjNum(PdfName xobjName)
{
String decodedPdfName = PdfName.DecodeName(xobjName.ToString());
if (decodedPdfName.LastIndexOf(XOBJ_NAME_PREFIX) == -1)
{
return(0);
}
String numStr = decodedPdfName.Substring(decodedPdfName.LastIndexOf(XOBJ_NAME_PREFIX) + XOBJ_NAME_PREFIX.Length);
return(Int32.Parse(numStr));
}
/** Gets the field value.
* @param field the field name
* @return the field value or <CODE>null</CODE> if not found
*/
public String GetField(String field)
{
Hashtable map = fields;
StringTokenizer tk = new StringTokenizer(field, ".");
if (!tk.HasMoreTokens())
{
return(null);
}
while (true)
{
String s = tk.NextToken();
Object obj = map[s];
if (obj == null)
{
return(null);
}
if (tk.HasMoreTokens())
{
if (obj is Hashtable)
{
map = (Hashtable)obj;
}
else
{
return(null);
}
}
else
{
if (obj is Hashtable)
{
return(null);
}
else
{
if (((PdfObject)obj).IsString())
{
return(((PdfString)obj).ToUnicodeString());
}
else
{
return(PdfName.DecodeName(obj.ToString()));
}
}
}
}
}
private static void MapGotoBookmark(Hashtable map, PdfObject dest, IntHashtable pages)
{
if (dest.IsString())
{
map["Named"] = dest.ToString();
}
else if (dest.IsName())
{
map["Named"] = PdfName.DecodeName(dest.ToString());
}
else if (dest.IsArray())
{
map["Page"] = MakeBookmarkParam((PdfArray)dest, pages); //changed by ujihara 2004-06-13
}
map["Action"] = "GoTo";
}
/** Creates a new instance of DocumentFont */
internal DocumentFont(PRIndirectReference refFont)
{
encoding = "";
fontSpecific = false;
this.refFont = refFont;
fontType = FONT_TYPE_DOCUMENT;
font = (PdfDictionary)PdfReader.GetPdfObject(refFont);
fontName = PdfName.DecodeName(font.GetAsName(PdfName.BASEFONT).ToString());
PdfName subType = font.GetAsName(PdfName.SUBTYPE);
if (PdfName.TYPE1.Equals(subType) || PdfName.TRUETYPE.Equals(subType))
{
DoType1TT();
}
else
{
for (int k = 0; k < cjkNames.Length; ++k)
{
if (fontName.StartsWith(cjkNames[k]))
{
fontName = cjkNames[k];
cjkMirror = BaseFont.CreateFont(fontName, cjkEncs[k], false);
return;
}
}
String enc = PdfName.DecodeName(font.GetAsName(PdfName.ENCODING).ToString());
for (int k = 0; k < cjkEncs2.Length; ++k)
{
if (enc.StartsWith(cjkEncs2[k]))
{
if (k > 3)
{
k -= 4;
}
cjkMirror = BaseFont.CreateFont(cjkNames2[k], cjkEncs2[k], false);
return;
}
}
if (PdfName.TYPE0.Equals(subType) && enc.Equals("Identity-H"))
{
ProcessType0(font);
isType0 = true;
}
}
}
private void DoType1TT()
{
PdfObject enc = PdfReader.GetPdfObject(font.Get(PdfName.ENCODING));
if (enc == null)
{
FillEncoding(null);
}
else
{
if (enc.IsName())
{
FillEncoding((PdfName)enc);
}
else
{
PdfDictionary encDic = (PdfDictionary)enc;
enc = PdfReader.GetPdfObject(encDic.Get(PdfName.BASEENCODING));
if (enc == null)
{
FillEncoding(null);
}
else
{
FillEncoding((PdfName)enc);
}
PdfArray diffs = encDic.GetAsArray(PdfName.DIFFERENCES);
if (diffs != null)
{
diffmap = new IntHashtable();
int currentNumber = 0;
for (int k = 0; k < diffs.Size; ++k)
{
PdfObject obj = diffs[k];
if (obj.IsNumber())
{
currentNumber = ((PdfNumber)obj).IntValue;
}
else
{
int[] c = GlyphList.NameToUnicode(PdfName.DecodeName(((PdfName)obj).ToString()));
if (c != null && c.Length > 0)
{
uni2byte[c[0]] = currentNumber;
diffmap[c[0]] = currentNumber;
}
++currentNumber;
}
}
}
}
}
PdfArray newWidths = font.GetAsArray(PdfName.WIDTHS);
PdfNumber first = font.GetAsNumber(PdfName.FIRSTCHAR);
PdfNumber last = font.GetAsNumber(PdfName.LASTCHAR);
if (BuiltinFonts14.ContainsKey(fontName))
{
BaseFont bf;
bf = BaseFont.CreateFont(fontName, WINANSI, false);
int[] e = uni2byte.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = uni2byte[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
if (diffmap != null) //widths for differences must override existing ones
{
e = diffmap.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = diffmap[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
diffmap = null;
}
Ascender = bf.GetFontDescriptor(ASCENT, 1000);
CapHeight = bf.GetFontDescriptor(CAPHEIGHT, 1000);
Descender = bf.GetFontDescriptor(DESCENT, 1000);
ItalicAngle = bf.GetFontDescriptor(ITALICANGLE, 1000);
llx = bf.GetFontDescriptor(BBOXLLX, 1000);
lly = bf.GetFontDescriptor(BBOXLLY, 1000);
urx = bf.GetFontDescriptor(BBOXURX, 1000);
ury = bf.GetFontDescriptor(BBOXURY, 1000);
}
if (first != null && last != null && newWidths != null)
{
int f = first.IntValue;
for (int k = 0; k < newWidths.Size; ++k)
{
widths[f + k] = newWidths.GetAsNumber(k).IntValue;
}
}
FillFontDesc(font.GetAsDict(PdfName.FONTDESCRIPTOR));
}
private static void ParseCid(String cmapName, AbstractCMap cmap, ICidLocation location, int level)
{
if (level >= MAXLEVEL)
{
return;
}
PRTokeniser inp = location.GetLocation(cmapName);
try {
List <PdfObject> list = new List <PdfObject>();
PdfContentParser cp = new PdfContentParser(inp);
int maxExc = 50;
while (true)
{
try {
cp.Parse(list);
}
catch {
if (--maxExc < 0)
{
break;
}
continue;
}
if (list.Count == 0)
{
break;
}
String last = list[list.Count - 1].ToString();
if (level == 0 && list.Count == 3 && last.Equals(DEF))
{
PdfObject key = list[0];
if (PdfName.REGISTRY.Equals(key))
{
cmap.Registry = list[1].ToString();
}
else if (PdfName.ORDERING.Equals(key))
{
cmap.Ordering = list[1].ToString();
}
else if (CMAPNAME.Equals(key))
{
cmap.Name = list[1].ToString();
}
else if (PdfName.SUPPLEMENT.Equals(key))
{
try {
cmap.Supplement = ((PdfNumber)list[1]).IntValue;
}
catch {}
}
}
else if ((last.Equals(ENDCIDCHAR) || last.Equals(ENDBFCHAR)) && list.Count >= 3)
{
int lmax = list.Count - 2;
for (int k = 0; k < lmax; k += 2)
{
if (list[k] is PdfString)
{
cmap.AddChar((PdfString)list[k], list[k + 1]);
}
}
}
else if ((last.Equals(ENDCIDRANGE) || last.Equals(ENDBFRANGE)) && list.Count >= 4)
{
int lmax = list.Count - 3;
for (int k = 0; k < lmax; k += 3)
{
if (list[k] is PdfString && list[k + 1] is PdfString)
{
cmap.AddRange((PdfString)list[k], (PdfString)list[k + 1], list[k + 2]);
}
}
}
else if (last.Equals(USECMAP) && list.Count == 2 && list[0] is PdfName)
{
ParseCid(PdfName.DecodeName(list[0].ToString()), cmap, location, level + 1);
}
}
}
finally {
inp.Close();
}
}
private static ArrayList BookmarkDepth(PdfReader reader, PdfDictionary outline, IntHashtable pages)
{
ArrayList list = new ArrayList();
while (outline != null)
{
Hashtable map = new Hashtable();
PdfString title = (PdfString)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.TITLE));
map["Title"] = title.ToUnicodeString();
PdfArray color = (PdfArray)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.C));
if (color != null && color.Size == 3)
{
ByteBuffer outp = new ByteBuffer();
outp.Append(color.GetAsNumber(0).FloatValue).Append(' ');
outp.Append(color.GetAsNumber(1).FloatValue).Append(' ');
outp.Append(color.GetAsNumber(2).FloatValue);
map["Color"] = PdfEncodings.ConvertToString(outp.ToByteArray(), null);
}
PdfNumber style = (PdfNumber)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.F));
if (style != null)
{
int f = style.IntValue;
String s = "";
if ((f & 1) != 0)
{
s += "italic ";
}
if ((f & 2) != 0)
{
s += "bold ";
}
s = s.Trim();
if (s.Length != 0)
{
map["Style"] = s;
}
}
PdfNumber count = (PdfNumber)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.COUNT));
if (count != null && count.IntValue < 0)
{
map["Open"] = "false";
}
try {
PdfObject dest = PdfReader.GetPdfObjectRelease(outline.Get(PdfName.DEST));
if (dest != null)
{
MapGotoBookmark(map, dest, pages); //changed by ujihara 2004-06-13
}
else
{
PdfDictionary action = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.A));
if (action != null)
{
if (PdfName.GOTO.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
dest = PdfReader.GetPdfObjectRelease(action.Get(PdfName.D));
if (dest != null)
{
MapGotoBookmark(map, dest, pages);
}
}
else if (PdfName.URI.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
map["Action"] = "URI";
map["URI"] = ((PdfString)PdfReader.GetPdfObjectRelease(action.Get(PdfName.URI))).ToUnicodeString();
}
else if (PdfName.GOTOR.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
dest = PdfReader.GetPdfObjectRelease(action.Get(PdfName.D));
if (dest != null)
{
if (dest.IsString())
{
map["Named"] = dest.ToString();
}
else if (dest.IsName())
{
map["NamedN"] = PdfName.DecodeName(dest.ToString());
}
else if (dest.IsArray())
{
PdfArray arr = (PdfArray)dest;
StringBuilder s = new StringBuilder();
s.Append(arr[0].ToString());
s.Append(' ').Append(arr[1].ToString());
for (int k = 2; k < arr.Size; ++k)
{
s.Append(' ').Append(arr[k].ToString());
}
map["Page"] = s.ToString();
}
}
map["Action"] = "GoToR";
PdfObject file = PdfReader.GetPdfObjectRelease(action.Get(PdfName.F));
if (file != null)
{
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
else if (file.IsDictionary())
{
file = PdfReader.GetPdfObject(((PdfDictionary)file).Get(PdfName.F));
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
}
}
PdfObject newWindow = PdfReader.GetPdfObjectRelease(action.Get(PdfName.NEWWINDOW));
if (newWindow != null)
{
map["NewWindow"] = newWindow.ToString();
}
}
else if (PdfName.LAUNCH.Equals(PdfReader.GetPdfObjectRelease(action.Get(PdfName.S))))
{
map["Action"] = "Launch";
PdfObject file = PdfReader.GetPdfObjectRelease(action.Get(PdfName.F));
if (file == null)
{
file = PdfReader.GetPdfObjectRelease(action.Get(PdfName.WIN));
}
if (file != null)
{
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
else if (file.IsDictionary())
{
file = PdfReader.GetPdfObjectRelease(((PdfDictionary)file).Get(PdfName.F));
if (file.IsString())
{
map["File"] = ((PdfString)file).ToUnicodeString();
}
}
}
}
}
}
}
catch {
//empty on purpose
}
PdfDictionary first = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.FIRST));
if (first != null)
{
map["Kids"] = BookmarkDepth(reader, first, pages);
}
list.Add(map);
outline = (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.NEXT));
}
return(list);
}
