Examples of com.lowagie.text.pdf.PdfDictionary

com.lowagie.text.pdf.PdfDictionary
PdfDictionary is the Pdf dictionary object.
A dictionary is an associative table containing pairs of objects. The first element of each pair is called the key and the second element is called the value. Unlike dictionaries in the PostScript language, a key must be a PdfName. A value can be any kind of PdfObject, including a dictionary. A dictionary is generally used to collect and tie together the attributes of a complex object, with each key-value pair specifying the name and value of an attribute.
A dictionary is represented by two left angle brackets (<<), followed by a sequence of key-value pairs, followed by two right angle brackets (>>).
This object is described in the 'Portable Document Format Reference Manual version 1.7' section 3.2.6 (page 59-60).
@see PdfObject @see PdfName @see BadPdfFormatException

                
                // TODO: need to find something better to put into these fields...
                String annotation = null;
                Iterator widgetIter = item.widgets.iterator();
                while (widgetIter.hasNext()) {
                    PdfDictionary dict = (PdfDictionary) widgetIter.next();
                    
                    // if the "/Type" value is "/Annot", then get the value of "/TU" for the annotation
                    
                    /* Interesting... this doesn't work, I guess we have to iterate to find the stuff...
                    PdfObject typeValue = dict.get(new PdfName("/Type"));
                    if (typeValue != null && "/Annot".equals(typeValue.toString())) {
                        PdfObject tuValue = dict.get(new PdfName("/TU"));
                        annotation = tuValue.toString();
                    }
                    */
                    
                    PdfObject typeValue = null;
                    PdfObject tuValue = null;
                    
                    Set dictKeys = dict.getKeys();
                    Iterator dictKeyIter = dictKeys.iterator();
                    while (dictKeyIter.hasNext()) {
                        PdfName dictKeyName = (PdfName) dictKeyIter.next();
                        PdfObject dictObject = dict.get(dictKeyName);
                        
                        if ("/Type".equals(dictKeyName.toString())) {
                            typeValue = dictObject;
                        } else if ("/TU".equals(dictKeyName.toString())) {
                            tuValue = dictObject;

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                    PdfArray indexed = new PdfArray();
                    indexed.add(PdfName.INDEXED);
                    indexed.add(PdfName.DEVICERGB);
                    indexed.add(new PdfNumber(gColor - 1));
                    indexed.add(new PdfString(palette));
                    PdfDictionary additional = new PdfDictionary();
                    additional.put(PdfName.COLORSPACE, indexed);
                    img.setAdditional(additional);
                }
                img.setOriginalType(LwgImage.ORIGINAL_TIFF);
            }
            if (photometric == TIFFConstants.PHOTOMETRIC_MINISWHITE)

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            colorspace.add(PdfName.INDEXED);
            colorspace.add(PdfName.DEVICERGB);
            int len = m_curr_table.length;
            colorspace.add(new PdfNumber(len / 3 - 1));
            colorspace.add(new PdfString(m_curr_table));
            PdfDictionary ad = new PdfDictionary();
            ad.put(PdfName.COLORSPACE, colorspace);
            img.setAdditional(ad);
            if (transparency) {
                img.setTransparency(new int[]{transIndex, transIndex});
            }
        }

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        colorspace.add(PdfName.DEVICERGB);
        byte np[] = getPalette(paletteEntries);
        int len = np.length;
        colorspace.add(new PdfNumber(len / 3 - 1));
        colorspace.add(new PdfString(np));
        PdfDictionary ad = new PdfDictionary();
        ad.put(PdfName.COLORSPACE, colorspace);
        img.setAdditional(ad);
        return img;
    }

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            else
                return PdfName.DEVICERGB;
        }
        else {
            PdfArray array = new PdfArray();
            PdfDictionary dic = new PdfDictionary();
            if ((colorType & 2) == 0) {
                if (gamma == 1f)
                    return PdfName.DEVICEGRAY;
                array.add(PdfName.CALGRAY);
                dic.put(PdfName.GAMMA, new PdfNumber(gamma));
                dic.put(PdfName.WHITEPOINT, new PdfLiteral("[1 1 1]"));
                array.add(dic);
            }
            else {
                PdfObject wp = new PdfLiteral("[1 1 1]");
                array.add(PdfName.CALRGB);
                if (gamma != 1f) {
                    PdfArray gm = new PdfArray();
                    PdfNumber n = new PdfNumber(gamma);
                    gm.add(n);
                    gm.add(n);
                    gm.add(n);
                    dic.put(PdfName.GAMMA, gm);
                }
                if (hasCHRM) {
                    float z = yW*((xG-xB)*yR-(xR-xB)*yG+(xR-xG)*yB);
                    float YA = yR*((xG-xB)*yW-(xW-xB)*yG+(xW-xG)*yB)/z;
                    float XA = YA*xR/yR;
                    float ZA = YA*((1-xR)/yR-1);
                    float YB = -yG*((xR-xB)*yW-(xW-xB)*yR+(xW-xR)*yB)/z;
                    float XB = YB*xG/yG;
                    float ZB = YB*((1-xG)/yG-1);
                    float YC = yB*((xR-xG)*yW-(xW-xG)*yW+(xW-xR)*yG)/z;
                    float XC = YC*xB/yB;
                    float ZC = YC*((1-xB)/yB-1);
                    float XW = XA+XB+XC;
                    float YW = 1;//YA+YB+YC;
                    float ZW = ZA+ZB+ZC;
                    PdfArray wpa = new PdfArray();
                    wpa.add(new PdfNumber(XW));
                    wpa.add(new PdfNumber(YW));
                    wpa.add(new PdfNumber(ZW));
                    wp = wpa;
                    PdfArray matrix = new PdfArray();
                    matrix.add(new PdfNumber(XA));
                    matrix.add(new PdfNumber(YA));
                    matrix.add(new PdfNumber(ZA));
                    matrix.add(new PdfNumber(XB));
                    matrix.add(new PdfNumber(YB));
                    matrix.add(new PdfNumber(ZB));
                    matrix.add(new PdfNumber(XC));
                    matrix.add(new PdfNumber(YC));
                    matrix.add(new PdfNumber(ZC));
                    dic.put(PdfName.MATRIX, matrix);
                }
                dic.put(PdfName.WHITEPOINT, wp);
                array.add(dic);
            }
            return array;
        }
    }

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                    img = LwgImage.getInstance(width, height, components, bpc, image);
            }
            else {
                img = new ImgRaw(width, height, components, bpc, idat.toByteArray());
                img.setDeflated(true);
                PdfDictionary decodeparms = new PdfDictionary();
                decodeparms.put(PdfName.BITSPERCOMPONENT, new PdfNumber(bitDepth));
                decodeparms.put(PdfName.PREDICTOR, new PdfNumber(15));
                decodeparms.put(PdfName.COLUMNS, new PdfNumber(width));
                decodeparms.put(PdfName.COLORS, new PdfNumber((colorType == 3 || (colorType & 2) == 0) ? 1 : 3));
                additional.put(PdfName.DECODEPARMS, decodeparms);
            }
            if (additional.get(PdfName.COLORSPACE) == null)
                additional.put(PdfName.COLORSPACE, getColorspace());
            if (intent != null)

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      while (e.hasMoreElements())  { 


          String key = (String) e.nextElement() ;
          PdfString val = new PdfString(headerTags.getProperty(key), PdfObject.TEXT_UNICODE);


          PdfDictionary dictionary = writer.getInfo();
          
          if (key.equals("title" )) {
            dictionary.put(PdfName.TITLE, val);
          }
          else if (key.equals("author")) {
            dictionary.put(PdfName.AUTHOR, val);  
          }
          else if (key.equals("subject")) {
            dictionary.put(PdfName.SUBJECT, val);  
          }
          else if (key.equals("keywords")) {
            dictionary.put(PdfName.KEYWORDS, val);  
          }
          else if (key.equals("creator")) {
            dictionary.put(PdfName.CREATOR, val);  
          }
          else if (key.equals("producer")) {
            dictionary.put(PdfName.PRODUCER, val);  
          }
          else  {
            log.warn("Unexpected header meta tag: " + key + ", value: " + val);
          }
        }

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      if (parentFile != null) {
        outPath = parentFile.getAbsolutePath();
      } else {
        outPath = "";
      }
      PdfDictionary catalog = reader.getCatalog();
      PdfDictionary names = catalog.getAsDict(PdfName.NAMES);
      if (names != null) {
        PdfDictionary embFiles = names.getAsDict(new PdfName("EmbeddedFiles"));
        if (embFiles != null) {
            HashMap<String, PdfObject> embMap = PdfNameTree.readTree(embFiles);
          for (Iterator<PdfObject> i = embMap.values().iterator(); i.hasNext();) {
            PdfDictionary filespec = (PdfDictionary) PdfReader
                .getPdfObject(i.next());
            unpackFile(reader, filespec, outPath);
          }
        }
      }
      for (int k = 1; k <= reader.getNumberOfPages(); ++k) {
        PdfArray annots = reader.getPageN(k).getAsArray(PdfName.ANNOTS);
        if (annots == null)
          continue;
        for (Iterator<PdfObject> i = annots.listIterator(); i.hasNext();) {
          PdfDictionary annot = (PdfDictionary) PdfReader
              .getPdfObject(i.next());
          PdfName subType = annot.getAsName(PdfName.SUBTYPE);
          if (!PdfName.FILEATTACHMENT.equals(subType))
            continue;
          PdfDictionary filespec = annot.getAsDict(PdfName.FS);
          unpackFile(reader, filespec, outPath);
        }
      }


    } catch (Exception e) {

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    if (filespec == null)
      return;
    PdfName type = filespec.getAsName(PdfName.TYPE);
    if (!PdfName.F.equals(type) && !PdfName.FILESPEC.equals(type))
      return;
    PdfDictionary ef =filespec.getAsDict(PdfName.EF);
    if (ef == null)
      return;
    PdfString fn = filespec.getAsString(PdfName.F);
    System.out.println("Unpacking file '" + fn + "' to " + outPath);
    if (fn == null)
      return;
    File fLast = new File(fn.toUnicodeString());
    File fullPath = new File(outPath, fLast.getName());
    if (fullPath.exists())
      return;
    PRStream prs = (PRStream) PdfReader.getPdfObject(ef.get(PdfName.F));
    if (prs == null)
      return;
    byte b[] = PdfReader.getStreamBytes(prs);
    FileOutputStream fout = new FileOutputStream(fullPath);
    fout.write(b);

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   */
  public FormTreeNode(PdfObjectTreeNode node) {
    super("form.png");
    this.object_node = node;
    if (node.isDictionary()) {
      PdfDictionary dict = (PdfDictionary)node.getPdfObject();
      PdfObject fieldname = dict.get(PdfName.T);
      if (fieldname != null) {
        this.setUserObject(fieldname);
      }
      else {
        this.setUserObject("unnamed field");

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