Package com.itextpdf.text.pdf

Examples of com.itextpdf.text.pdf.PdfNumber

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     * an MCID entry, returns that value.  Otherwise, a {@link NullPointerException} is thrown.
     * @return the MCID value
     * @throws NullPointerException if there is no MCID (see {@link MarkedContentInfo#hasMcid()})
     */
    public int getMcid(){
        PdfNumber id = dictionary.getAsNumber(PdfName.MCID);
        if (id == null)
            throw new IllegalStateException("MarkedContentInfo does not contain MCID");
       
        return id.intValue();
    }
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     * per the PDF specification
     * @param imageDictionary the dictionary of the inline image
     * @return the number of bytes per row of the image
     */
    private static int computeBytesPerRow(PdfDictionary imageDictionary, PdfDictionary colorSpaceDic){
        PdfNumber wObj = imageDictionary.getAsNumber(PdfName.WIDTH);
        PdfNumber bpcObj = imageDictionary.getAsNumber(PdfName.BITSPERCOMPONENT);
        int cpp = getComponentsPerPixel(imageDictionary.getAsName(PdfName.COLORSPACE), colorSpaceDic);
       
        int w = wObj.intValue();
        int bpc = bpcObj != null ? bpcObj.intValue() : 1;
       
       
        int bytesPerRow = (w * bpc * cpp + 7) / 8;
       
        return bytesPerRow;
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        // special case:  when no filter is specified, we just read the number of bits
        // per component, multiplied by the width and height.
        if (imageDictionary.contains(PdfName.FILTER))
            throw new IllegalArgumentException("Dictionary contains filters");
       
        PdfNumber h = imageDictionary.getAsNumber(PdfName.HEIGHT);

        int bytesToRead = computeBytesPerRow(imageDictionary, colorSpaceDic) * h.intValue();
        byte[] bytes = new byte[bytesToRead];
        PRTokeniser tokeniser = ps.getTokeniser();
       
        int shouldBeWhiteSpace = tokeniser.read(); // skip next character (which better be a whitespace character - I suppose we could check for this)
        // from the PDF spec:  Unless the image uses ASCIIHexDecode or ASCII85Decode as one of its filters, the ID operator shall be followed by a single white-space character, and the next character shall be interpreted as the first byte of image data.
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        PdfArray colorspace = new PdfArray();
        colorspace.add(PdfName.INDEXED);
        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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                        }
                    }
                    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);
                }
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            else if (PLTE.equals(marker)) {
                if (colorType == 3) {
                    PdfArray colorspace = new PdfArray();
                    colorspace.add(PdfName.INDEXED);
                    colorspace.add(getColorspace());
                    colorspace.add(new PdfNumber(len / 3 - 1));
                    ByteBuffer colortable = new ByteBuffer();
                    while ((len--) > 0) {
                        colortable.append_i(is.read());
                    }
                    colorspace.add(new PdfString(colorTable = colortable.toByteArray()));
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            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);
            }
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            }
            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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            if (code instanceof PdfArray) {
                addChar(s, ((PdfArray)code).getPdfObject(k - start));
            }
            else if (code instanceof PdfNumber) {
                int nn = ((PdfNumber)code).intValue() + k - start;
                addChar(s, new PdfNumber(nn));
            }
            else if (code instanceof PdfString) {
                PdfString s1 = new PdfString(sout);
                s1.setHexWriting(true);
                ++sout[sout.length - 1];
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     * we want to remove it from the stack.
     * @param xobj  the name of an XObject
     */
    protected void dealWithXObj(PdfName xobj) {
      PdfDictionary dict = xobjects.getAsStream(xobj);
      PdfNumber structParent = dict.getAsNumber(PdfName.STRUCTPARENT);
      LOGGER.info(String.format("Encountered StructParent %s in content", structParent));
      if (structParent == null)
        return;
      StructureItem item = items.get(0);
      if (item.checkStructParent(pageref.getNumber(), structParent.intValue()) == 1)
        items.remove(0);
    }
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Related Classes of com.itextpdf.text.pdf.PdfNumber

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  • com.itextpdf.text.pdf.collection.PdfCollectionField
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  • com.itextpdf.text.pdf.fonts.cmaps.AbstractCMap
  • com.itextpdf.text.pdf.mc.MCParser
  • com.itextpdf.text.pdf.mc.StructureItems
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