Examples of com.itextpdf.text.pdf.PdfArray

com.itextpdf.text.pdf.PdfArray
PdfArray is the PDF Array object.
An array is a sequence of PDF objects. An array may contain a mixture of object types. An array is written as a left square bracket ([), followed by a sequence of objects, followed by a right square bracket (]).
This object is described in the 'Portable Document Format Reference Manual version 1.7' section 3.2.5 (page 58). @see PdfObject

    /**
     * A content operator implementation (TJ).
     */
    private static class ShowTextArray implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList<PdfObject> operands) {
            PdfArray array = (PdfArray)operands.get(0);
            float tj = 0;
            for (Iterator<PdfObject> i = array.listIterator(); i.hasNext(); ) {
                PdfObject entryObj = i.next();
                if (entryObj instanceof PdfString){
                    processor.displayPdfString((PdfString)entryObj);
                    tj = 0;
                } else {

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                break;
            case PdfObject.ARRAY:
                // Stitch together all content before calling processContent(), because
                // processContent() resets state.
                final ByteArrayOutputStream allBytes = new ByteArrayOutputStream();
                final PdfArray contentArray = (PdfArray) contentObject;
                final ListIterator<PdfObject> iter = contentArray.listIterator();
                while (iter.hasNext())
                {
                    final PdfObject element = iter.next();
                    allBytes.write(getContentBytesFromContentObject(element));
                    allBytes.write((byte)' ');

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            PdfDictionary gsDic = extGState.getAsDict(dictionaryName);
            if (gsDic == null)
                throw new IllegalArgumentException(MessageLocalization.getComposedMessage("1.is.an.unknown.graphics.state.dictionary", dictionaryName));


            // 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 = processor.getFont((PRIndirectReference)fontParameter.getPdfObject(0));
                float size = fontParameter.getAsNumber(1).floatValue();


                processor.gs().font = font;
                processor.gs().fontSize = size;
            }
        }

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            try {
                contentBytes = ContentByteUtils.getContentBytesFromContentObject(stream);
            } catch (IOException e1) {
                throw new ExceptionConverter(e1);
            }
            final PdfArray matrix = stream.getAsArray(PdfName.MATRIX);


            new PushGraphicsState().invoke(processor, null, null);


            if (matrix != null){
                float a = matrix.getAsNumber(0).floatValue();
                float b = matrix.getAsNumber(1).floatValue();
                float c = matrix.getAsNumber(2).floatValue();
                float d = matrix.getAsNumber(3).floatValue();
                float e = matrix.getAsNumber(4).floatValue();
                float f = matrix.getAsNumber(5).floatValue();
                Matrix formMatrix = new Matrix(a, b, c, d, e, f);


                processor.gs().ctm = formMatrix.multiply(processor.gs().ctm);
            }

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            if (value instanceof PdfName){
                PdfName altValue = inlineImageFilterAbbreviationMap.get(value);
                if (altValue != null)
                    return altValue;
            } else if (value instanceof PdfArray){
                PdfArray array = ((PdfArray)value);
                PdfArray altArray = new PdfArray();
                int count = array.size();
                for(int i = 0; i < count; i++){
                    altArray.add(getAlternateValue(key, array.getPdfObject(i)));
                }
                return altArray;
            }
        } else if (key == PdfName.COLORSPACE){
            PdfName altValue = inlineImageColorSpaceAbbreviationMap.get(value);

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            return 3;
        if (colorSpaceName.equals(PdfName.DEVICECMYK))
            return 4;
        
        if (colorSpaceDic != null){
            PdfArray colorSpace = colorSpaceDic.getAsArray(colorSpaceName);
            if (colorSpace != null){
                if (PdfName.INDEXED.equals(colorSpace.getAsName(0))){
                    return 1;
                }
            }
            else {
              PdfName tempName = colorSpaceDic.getAsName(colorSpaceName);

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                stride = (width * bpc * 3 + 7) / 8;
                pngColorType = 2;
            }
        }
        else if (colorspace instanceof PdfArray) {
            PdfArray ca = (PdfArray)colorspace;
            PdfObject tyca = ca.getDirectObject(0);
            if (PdfName.CALGRAY.equals(tyca)) {
                stride = (width * bpc + 7) / 8;
                pngColorType = 0;
            }
            else if (PdfName.CALRGB.equals(tyca)) {
                if (bpc == 8 || bpc == 16) {
                    stride = (width * bpc * 3 + 7) / 8;
                    pngColorType = 2;
                }
            }
            else if (PdfName.ICCBASED.equals(tyca)) {
                PRStream pr = (PRStream)ca.getDirectObject(1);
                int n = pr.getAsNumber(PdfName.N).intValue();
                if (n == 1) {
                    stride = (width * bpc + 7) / 8;
                    pngColorType = 0;
                    icc = PdfReader.getStreamBytes(pr);
                }
                else if (n == 3) {
                    stride = (width * bpc * 3 + 7) / 8;
                    pngColorType = 2;
                    icc = PdfReader.getStreamBytes(pr);
                }
            }
            else if (allowIndexed && PdfName.INDEXED.equals(tyca)) {
                findColorspace(ca.getDirectObject(1), false);
                if (pngColorType == 2) {
                    PdfObject id2 = ca.getDirectObject(3);
                    if (id2 instanceof PdfString) {
                        palette = ((PdfString)id2).getBytes();
                    }
                    else if (id2 instanceof PRStream) {
                        palette = PdfReader.getStreamBytes(((PRStream)id2));

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    private void decodeImageBytes() throws IOException{
        if (streamContentType != null)
            throw new IllegalStateException(MessageLocalization.getComposedMessage("Decoding.can't.happen.on.this.type.of.stream.(.1.)", streamContentType));
        
        pngColorType = -1;
        PdfArray decode = dictionary.getAsArray(PdfName.DECODE);
        width = dictionary.getAsNumber(PdfName.WIDTH).intValue();
        height = dictionary.getAsNumber(PdfName.HEIGHT).intValue();
        bpc = dictionary.getAsNumber(PdfName.BITSPERCOMPONENT).intValue();
        pngBitDepth = bpc;
        PdfObject colorspace = dictionary.getDirectObject(PdfName.COLORSPACE);
        if (colorspace instanceof PdfName && colorSpaceDic != null){
            PdfObject csLookup = colorSpaceDic.getDirectObject((PdfName)colorspace);
            if (csLookup != null)
                colorspace = csLookup;
        }


        palette = null;
        icc = null;
        stride = 0;
        findColorspace(colorspace, true);
        ByteArrayOutputStream ms = new ByteArrayOutputStream();
        if (pngColorType < 0) {
            if (bpc != 8)
                throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("the.color.depth.1.is.not.supported", bpc));


            if (PdfName.DEVICECMYK.equals(colorspace)) {
            }
            else if (colorspace instanceof PdfArray) {
                PdfArray ca = (PdfArray)colorspace;
                PdfObject tyca = ca.getDirectObject(0);
                if (!PdfName.ICCBASED.equals(tyca))
                    throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("the.color.space.1.is.not.supported", colorspace));
                PRStream pr = (PRStream)ca.getDirectObject(1);
                int n = pr.getAsNumber(PdfName.N).intValue();
                if (n != 4) {
                    throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("N.value.1.is.not.supported", n));
                }
                icc = PdfReader.getStreamBytes(pr);

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        return null;
    }


    private Image indexedModel(byte bdata[], int bpc, int paletteEntries) throws BadElementException {
        Image img = new ImgRaw(width, height, 1, bpc, bdata);
        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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                            palette[k * 3] = (byte)rgb[k];
                            palette[k * 3 + 1] = (byte)rgb[k + gColor];
                            palette[k * 3 + 2] = (byte)rgb[k + bColor];
                        }
                    }
                    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);

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