Examples of com.itextpdf.text.pdf.PdfDictionary

com.itextpdf.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

                    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(Image.ORIGINAL_TIFF);
            }
            if (photometric == TIFFConstants.PHOTOMETRIC_MINISWHITE)

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  public void convertToXml(PdfReader reader, OutputStream os)
      throws IOException {
    this.reader = reader;
    out = new PrintWriter(os);
    // get the StructTreeRoot from the root object
    PdfDictionary catalog = reader.getCatalog();
    PdfDictionary struct = catalog.getAsDict(PdfName.STRUCTTREEROOT);
    // Inspect the child or children of the StructTreeRoot
    inspectChild(struct.getDirectObject(PdfName.K));
    out.flush();
    out.close();
  }

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    if (s != null) {
      String tag = s.toString().substring(1);
      out.print("<");
      out.print(tag);
      out.print(">");
      PdfDictionary dict = k.getAsDict(PdfName.PG);
      if (dict != null)
        parseTag(tag, k.getDirectObject(PdfName.K), dict);
      inspectChild(k.get(PdfName.K));
      out.print("</");
      out.print(tag);

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      }
    }
    // if the identifier is a dictionary, we get the resources from the
    // dictionary
    else if (object instanceof PdfDictionary) {
      PdfDictionary mcr = (PdfDictionary) object;
      parseTag(tag, mcr.getDirectObject(PdfName.MCID), mcr
          .getAsDict(PdfName.PG));
    }
  }

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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 = Image.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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     * @param ref the reference to the image dictionary
     * @throws BadElementException on error
     * @return the image
     */
    public static Image getInstance(final PRIndirectReference ref) throws BadElementException {
        PdfDictionary dic = (PdfDictionary)PdfReader.getPdfObjectRelease(ref);
        int width = ((PdfNumber)PdfReader.getPdfObjectRelease(dic.get(PdfName.WIDTH))).intValue();
        int height = ((PdfNumber)PdfReader.getPdfObjectRelease(dic.get(PdfName.HEIGHT))).intValue();
        Image imask = null;
        PdfObject obj = dic.get(PdfName.SMASK);
        if (obj != null && obj.isIndirect()) {
            imask = getInstance((PRIndirectReference)obj);
        }
        else {
            obj = dic.get(PdfName.MASK);
            if (obj != null && obj.isIndirect()) {
                PdfObject obj2 = PdfReader.getPdfObjectRelease(obj);
                if (obj2 instanceof PdfDictionary)
                    imask = getInstance((PRIndirectReference)obj);
            }

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    /**
     * Displays an XObject using the registered handler for this XObject's subtype
     * @param xobjectName the name of the XObject to retrieve from the resource dictionary
     */
    private void displayXObject(PdfName xobjectName) throws IOException {
        PdfDictionary xobjects = resources.getAsDict(PdfName.XOBJECT);
        PdfObject xobject = xobjects.getDirectObject(xobjectName);
        PdfStream xobjectStream = (PdfStream)xobject;


        PdfName subType = xobjectStream.getAsName(PdfName.SUBTYPE);
        if (xobject.isStream()){
            XObjectDoHandler handler = xobjectDoHandlers.get(subType);
            if (handler == null)
                handler = xobjectDoHandlers.get(PdfName.DEFAULT);
            handler.handleXObject(this, xobjectStream, xobjects.getAsIndirectObject(xobjectName));
        } else {
            throw new IllegalStateException(MessageLocalization.getComposedMessage("XObject.1.is.not.a.stream", xobjectName));
        }


    }

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            ArrayList<PdfObject> operands = new ArrayList<PdfObject>();
            while (ps.parse(operands).size() > 0){
                PdfLiteral operator = (PdfLiteral)operands.get(operands.size()-1);
                if ("BI".equals(operator.toString())){
                    // we don't call invokeOperator for embedded images - this is one area of the PDF spec that is particularly nasty and inconsistent
                    PdfDictionary colorSpaceDic = resources != null ? resources.getAsDict(PdfName.COLORSPACE) : null;
                    handleInlineImage(InlineImageUtils.parseInlineImage(ps, colorSpaceDic), colorSpaceDic);
                } else {
                    invokeOperator(operator, operands);
                }
            }

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        }


        @Override
        public PdfObject getDirectObject(PdfName key) {
            for (int i = resourcesStack.size() - 1; i >= 0; i--){
                PdfDictionary subResource = resourcesStack.get(i);
                if (subResource != null){
                    PdfObject obj =  subResource.getDirectObject(key);
                    if (obj != null) return obj;
                }
            }
            return super.getDirectObject(key); // shouldn't be necessary, but just in case we've done something crazy
        }

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