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

    preferences.setViewerPreferences(prefs);
    // other preferences
    obj = PdfReader.getPdfObjectRelease(catalog
        .get(PdfName.VIEWERPREFERENCES));
    if (obj != null && obj.isDictionary()) {
      PdfDictionary vp = (PdfDictionary) obj;
      for (int i = 0; i < VIEWER_PREFERENCES.length; i++) {
        obj = PdfReader.getPdfObjectRelease(vp.get(VIEWER_PREFERENCES[i]));
        preferences.addViewerPreference(VIEWER_PREFERENCES[i], obj);
      }
    }
    return preferences;
  }

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    }
    
    public void completeExtraCatalog(PdfDictionary extraCatalog) {
        if (isPdfX() && !isPdfA1()) {
            if (extraCatalog.get(PdfName.OUTPUTINTENTS) == null) {
                PdfDictionary out = new PdfDictionary(PdfName.OUTPUTINTENT);
                out.put(PdfName.OUTPUTCONDITION, new PdfString("SWOP CGATS TR 001-1995"));
                out.put(PdfName.OUTPUTCONDITIONIDENTIFIER, new PdfString("CGATS TR 001"));
                out.put(PdfName.REGISTRYNAME, new PdfString("http://www.color.org"));
                out.put(PdfName.INFO, new PdfString(""));
                out.put(PdfName.S, PdfName.GTS_PDFX);
                extraCatalog.put(PdfName.OUTPUTINTENTS, new PdfArray(out));
            }
        }
    }

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                        }
                        break;
                }
                break;
            case PDFXKEY_GSTATE:
                PdfDictionary gs = (PdfDictionary)obj1;
                PdfObject obj = gs.get(PdfName.BM);
                if (obj != null && !PdfGState.BM_NORMAL.equals(obj) && !PdfGState.BM_COMPATIBLE.equals(obj))
                    throw new PdfXConformanceException("Blend mode " + obj.toString() + " not allowed.");
                obj = gs.get(PdfName.CA);
                double v = 0.0;
                if (obj != null && (v = ((PdfNumber)obj).doubleValue()) != 1.0)
                    throw new PdfXConformanceException("Transparency is not allowed: /CA = " + v);
                obj = gs.get(PdfName.ca);
                v = 0.0;
                if (obj != null && (v = ((PdfNumber)obj).doubleValue()) != 1.0)
                    throw new PdfXConformanceException("Transparency is not allowed: /ca = " + v);
                break;
            case PDFXKEY_LAYER:

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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(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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     * A content operator implementation (gs).
     */
    private static class ProcessGraphicsStateResource implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfName dictionaryName = (PdfName)operands.get(0);
            PdfDictionary extGState = processor.resources.getAsDict(PdfName.EXTGSTATE);
            if (extGState == null)
                throw new IllegalArgumentException("Resources do not contain ExtGState entry. Unable to process operator " + operator);
            PdfDictionary gsDic = extGState.getAsDict(dictionaryName);
            if (gsDic == null)
                throw new IllegalArgumentException(dictionaryName + " is an unknown graphics state dictionary");
            
            // at this point, all we care about is the FONT entry in the GS dictionary
            PdfArray fontParameter = gsDic.getAsArray(PdfName.FONT);
            if (fontParameter != null){
                CMapAwareDocumentFont font = new CMapAwareDocumentFont((PRIndirectReference)fontParameter.getPdfObject(0));
                float size = fontParameter.getAsNumber(1).floatValue();
                
                processor.gs().font = font;

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                maxPageNum = maxPage;
            
            for (int pageNum = 1; pageNum <= maxPageNum; pageNum++){
                System.out.println("==============Page " + pageNum + "====================");
                System.out.println("- - - - - Dictionary - - - - - -");
                PdfDictionary pageDictionary = reader.getPageN(pageNum);
                System.out.println(getDictionaryDetail(pageDictionary));
                System.out.println("- - - - - Content Stream - - - - - -");
                RandomAccessFileOrArray f = reader.getSafeFile();
                
                byte[] contentBytes = reader.getPageContent(pageNum, f);

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    private static class SetTextFont implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfName fontResourceName = (PdfName)operands.get(0);
            float size = ((PdfNumber)operands.get(1)).floatValue();
            
            PdfDictionary fontsDictionary = processor.resources.getAsDict(PdfName.FONT);
            CMapAwareDocumentFont font = new CMapAwareDocumentFont((PRIndirectReference)fontsDictionary.get(fontResourceName));
            
            processor.gs().font = font;
            processor.gs().fontSize = size;
            
        }

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        PageRotation[] rotations = inputCommand.getRotations();
        if (rotations != null && rotations.length > 0) {
            if (rotations.length > 1) {
                for (int i = 0; i < rotations.length; i++) {
                    if (pdfNumberOfPages >= rotations[i].getPageNumber() && rotations[i].getPageNumber() > 0) {
                        PdfDictionary dictionary = rotationReader.getPageN(rotations[i].getPageNumber());
                        int rotation = (rotations[i].getDegrees() + rotationReader.getPageRotation(rotations[i]
                                .getPageNumber())) % 360;
                        dictionary.put(PdfName.ROTATE, new PdfNumber(rotation));
                    } else {
                        LOG.warn("Rotation for page " + rotations[i].getPageNumber() + " ignored.");
                    }
                }
            } else {
                // rotate all
                if (rotations[0].getType() == PageRotation.ALL_PAGES) {
                    int pageRotation = rotations[0].getDegrees();
                    for (int i = 1; i <= pdfNumberOfPages; i++) {
                        PdfDictionary dictionary = rotationReader.getPageN(i);
                        int rotation = (pageRotation + rotationReader.getPageRotation(i)) % 360;
                        dictionary.put(PdfName.ROTATE, new PdfNumber(rotation));
                    }
                } else if (rotations[0].getType() == PageRotation.SINGLE_PAGE) {
                    // single page rotation
                    if (pdfNumberOfPages >= rotations[0].getPageNumber() && rotations[0].getPageNumber() > 0) {
                        PdfDictionary dictionary = rotationReader.getPageN(rotations[0].getPageNumber());
                        int rotation = (rotations[0].getDegrees() + rotationReader.getPageRotation(rotations[0]
                                .getPageNumber())) % 360;
                        dictionary.put(PdfName.ROTATE, new PdfNumber(rotation));
                    } else {
                        LOG.warn("Rotation for page " + rotations[0].getPageNumber() + " ignored.");
                    }
                } else if (rotations[0].getType() == PageRotation.ODD_PAGES) {
                    // odd pages rotation
                    int pageRotation = rotations[0].getDegrees();
                    for (int i = 1; i <= pdfNumberOfPages; i = i + 2) {
                        PdfDictionary dictionary = rotationReader.getPageN(i);
                        int rotation = (pageRotation + rotationReader.getPageRotation(i)) % 360;
                        dictionary.put(PdfName.ROTATE, new PdfNumber(rotation));
                    }
                } else if (rotations[0].getType() == PageRotation.EVEN_PAGES) {
                    // even pages rotation
                    int pageRotation = rotations[0].getDegrees();
                    for (int i = 2; i <= pdfNumberOfPages; i = i + 2) {
                        PdfDictionary dictionary = rotationReader.getPageN(i);
                        int rotation = (pageRotation + rotationReader.getPageRotation(i)) % 360;
                        dictionary.put(PdfName.ROTATE, new PdfNumber(rotation));
                    }
                } else {
                    LOG.warn("Unable to find the rotation type. " + rotations[0]);
                }
            }

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