com.lowagie.text.pdf.PdfArray Java Examples

public static byte[] getContentBytesFromPdfObject(PdfObject object) throws IOException {
	switch (object.type()) {
	case PdfObject.INDIRECT:
		return getContentBytesFromPdfObject(PdfReader.getPdfObject(object));
	case PdfObject.STREAM:
		return PdfReader.getStreamBytes((PRStream) PdfReader.getPdfObject(object));
	case PdfObject.ARRAY:
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		ListIterator<PdfObject> iter = ((PdfArray) object).listIterator();
		while (iter.hasNext()) {
			PdfObject element = iter.next();
			baos.write(getContentBytesFromPdfObject(element));
		}
		return baos.toByteArray();
	default:
		throw new IllegalStateException("Unsupported type: " + object.getClass().getCanonicalName());
	}
}
 

@Override
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;
		processor.gs().fontSize = size;
	}
}
 

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

/**
 * Defines the sort order of the field (ascending or descending).
 * @param ascending	an array with every element corresponding with a name of a field.
 */
public void setSortOrder(boolean[] ascending) {
	PdfObject o = get(PdfName.S);
	if (o instanceof PdfArray) {
		if (((PdfArray)o).size() != ascending.length) {
			throw new IllegalArgumentException("The number of booleans in this array doesn't correspond with the number of fields.");
		}
		PdfArray array = new PdfArray();
		for (int i = 0; i < ascending.length; i++) {
			array.add(new PdfBoolean(ascending[i]));
		}
		put(PdfName.A, array);
	}
	else {
		throw new IllegalArgumentException("You need a single boolean for this collection sort dictionary.");
	}
}
 

/**
 * Replaces CalRGB and CalGray colorspaces with DeviceRGB and DeviceGray.
 */    
public void simplifyColorspace() {
    if (additional == null)
        return;
    PdfArray value = additional.getAsArray(PdfName.COLORSPACE);
    if (value == null)
        return;
    PdfObject cs = simplifyColorspace(value);
    PdfObject newValue;
    if (cs.isName())
        newValue = cs;
    else {
        newValue = value;
        PdfName first = value.getAsName(0);
        if (PdfName.INDEXED.equals(first)) {
            if (value.size() >= 2) {
                PdfArray second = value.getAsArray(1);
                if (second != null) {
                    value.set(1, simplifyColorspace(second));
                }
            }
        }
    }
    additional.put(PdfName.COLORSPACE, newValue);
}
 

/**
 * Defines the sort order of the field (ascending or descending).
 * @param ascending	an array with every element corresponding with a name of a field.
 */
public void setSortOrder(boolean[] ascending) {
	PdfObject o = get(PdfName.S);
	if (o instanceof PdfArray) {
		if (((PdfArray)o).size() != ascending.length) {
			throw new IllegalArgumentException("The number of booleans in this array doesn't correspond with the number of fields.");
		}
		PdfArray array = new PdfArray();
		for (int i = 0; i < ascending.length; i++) {
			array.add(new PdfBoolean(ascending[i]));
		}
		put(PdfName.A, array);
	}
	else {
		throw new IllegalArgumentException("You need a single boolean for this collection sort dictionary.");
	}
}
 

protected void createStartHeadingTags(String prop, PdfName pdfName)
{
	if (TAG_START.equals(prop) || TAG_FULL.equals(prop))
	{
		PdfStructureElement headingTag = new PdfStructureElement(tagStack.peek(), pdfName);
		//pdfContentByte.beginMarkedContentSequence(headingTag);
		headingTag.put(PdfName.K, new PdfArray());
		tagStack.push(headingTag);
		isTagEmpty = true;
	}
}
 

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;
}
 

/**
 * Constructs a PDF Collection Sort Dictionary.
 * @param keys	the keys of the fields that will be used to sort entries
 */
public PdfCollectionSort(String[] keys) {
	super(PdfName.COLLECTIONSORT);
	PdfArray array = new PdfArray();
	for (int i = 0; i < keys.length; i++) {
		array.add(new PdfName(keys[i]));
	}
	put(PdfName.S, array);
}
 

private byte[] readContentBytes(final PdfObject contentObject) throws IOException {
	final byte[] result;
	switch (contentObject.type()) {
	case PdfObject.INDIRECT:
		final PRIndirectReference ref = (PRIndirectReference) contentObject;
		final PdfObject directObject = PdfReader.getPdfObject(ref);
		result = readContentBytes(directObject);
		break;
	case PdfObject.STREAM:
		final PRStream stream = (PRStream) PdfReader.getPdfObject(contentObject);
		result = PdfReader.getStreamBytes(stream);
		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<?> iter = contentArray.listIterator();
		while (iter.hasNext()) {
			final PdfObject element = (PdfObject) iter.next();
			allBytes.write(readContentBytes(element));
		}
		result = allBytes.toByteArray();
		break;
	default:
		final String msg = "Unable to handle Content of type " + contentObject.getClass();
		throw new IllegalStateException(msg);
	}
	return result;
}
 

/**
 * Gets a PDF Name from an array or returns the object that was passed.
 */
private PdfObject simplifyColorspace(PdfArray obj) {
	if (obj == null) {
		return obj;
	}
	PdfName first = obj.getAsName(0);
	if (PdfName.CALGRAY.equals(first)) {
		return PdfName.DEVICEGRAY;
	} else if (PdfName.CALRGB.equals(first)) {
		return PdfName.DEVICERGB;
	} else {
		return obj;
	}
}
 

protected void createTableStartTag()
{
	PdfStructureElement tableTag = new PdfStructureElement(allTag, PdfName.TABLE);
	//pdfContentByte.beginMarkedContentSequence(tableTag);
	tableTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableTag);
}
 

protected void createTrStartTag()
{
	PdfStructureElement tableRowTag = new PdfStructureElement(tagStack.peek(), PdfName.TABLEROW);
	//pdfContentByte.beginMarkedContentSequence(tableRowTag);
	tableRowTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableRowTag);
}
 

protected void createThStartTag(JRPrintElement element)
{
	PdfStructureElement tableHeaderTag = new PdfStructureElement(tagStack.peek(), PdfName.TH);
	//pdfContentByte.beginMarkedContentSequence(tableHeaderTag);
	tableHeaderTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableHeaderTag);
	isTagEmpty = true;
	
	createSpanTags(element, tableHeaderTag);
}
 

protected void createTdStartTag(JRPrintElement element)
{
	PdfStructureElement tableCellTag = new PdfStructureElement(tagStack.peek(), PdfName.TD);
	//pdfContentByte.beginMarkedContentSequence(tableCellTag);
	tableCellTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableCellTag);
	isTagEmpty = true;
	
	createSpanTags(element, tableCellTag);
}
 

protected void createListStartTag()
{
	PdfStructureElement listTag = new PdfStructureElement(allTag, PdfName.L);
	//pdfContentByte.beginMarkedContentSequence(tableTag);
	listTag.put(PdfName.K, new PdfArray());
	tagStack.push(listTag);
}
 

protected void createListItemStartTag(JRPrintElement element)
{
	PdfStructureElement listItemTag = new PdfStructureElement(tagStack.peek(), PdfName.LI);
	//pdfContentByte.beginMarkedContentSequence(tableHeaderTag);
	listItemTag.put(PdfName.K, new PdfArray());
	tagStack.push(listItemTag);
	isTagEmpty = true;
}
 

public String cropPdf(String pdfFilePath) throws DocumentException, IOException, Exception {
	String filename = FilenameUtils.getBaseName(pdfFilePath) + "_cropped." + FilenameUtils.getExtension(pdfFilePath);
	filename = FilenameUtils.concat(System.getProperty("java.io.tmpdir"), filename);
	PdfReader reader = new PdfReader(pdfFilePath);
	try {
		PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(filename));
		try {
			for (int i = 1; i <= reader.getNumberOfPages(); i++) {
				PdfDictionary pdfDictionary = reader.getPageN(i);
				PdfArray cropArray = new PdfArray();
				Rectangle box = getSmallestBox(reader, i);
				//Rectangle cropbox = reader.getCropBox(i);
				if (box != null) {
					cropArray.add(new PdfNumber(box.getLeft()));
					cropArray.add(new PdfNumber(box.getBottom()));
					cropArray.add(new PdfNumber(box.getLeft() + box.getWidth()));
					cropArray.add(new PdfNumber(box.getBottom() + box.getHeight()));
					pdfDictionary.put(PdfName.CROPBOX, cropArray);
					pdfDictionary.put(PdfName.MEDIABOX, cropArray);
					pdfDictionary.put(PdfName.TRIMBOX, cropArray);
					pdfDictionary.put(PdfName.BLEEDBOX, cropArray);
				}
			}
			return filename;
		} finally {
			stamper.close();
		}
	} catch (Exception e) {
		logger.error(e.getMessage(), e);
		throw e;
	} finally {
		reader.close();
	}
}
 

/**
 * Replaces CalRGB and CalGray colorspaces with DeviceRGB and DeviceGray.
 */
public void simplifyColorspace() {
	if (additional == null) {
		return;
	}
	PdfArray value = additional.getAsArray(PdfName.COLORSPACE);
	if (value == null) {
		return;
	}
	PdfObject cs = simplifyColorspace(value);
	PdfObject newValue;
	if (cs.isName()) {
		newValue = cs;
	} else {
		newValue = value;
		PdfName first = value.getAsName(0);
		if (PdfName.INDEXED.equals(first)) {
			if (value.size() >= 2) {
				PdfArray second = value.getAsArray(1);
				if (second != null) {
					value.set(1, simplifyColorspace(second));
				}
			}
		}
	}
	additional.put(PdfName.COLORSPACE, newValue);
}
 

public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
	PdfArray array = (PdfArray) operands.get(0);
	float tj = 0;
	for (Iterator i = array.listIterator(); i.hasNext();) {
		Object entryObj = i.next();
		if (entryObj instanceof PdfString) {
			processor.displayPdfString((PdfString) entryObj, tj);
			tj = 0;
		} else {
			tj = ((PdfNumber) entryObj).floatValue();
		}
	}

}
 

/**
* Gets a PDF Name from an array or returns the object that was passed.
*/
  private PdfObject simplifyColorspace(PdfArray obj) {
      if (obj == null)
          return obj;
      PdfName first = obj.getAsName(0);
      if (PdfName.CALGRAY.equals(first))
          return PdfName.DEVICEGRAY;
      else if (PdfName.CALRGB.equals(first))
          return PdfName.DEVICERGB;
      else
          return obj;
  }
 

@Override
public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
	PdfArray array = (PdfArray) operands.get(0);
	float tj = 0;
	for (Iterator i = array.listIterator(); i.hasNext();) {
		Object entryObj = i.next();
		if (entryObj instanceof PdfString) {
			processor.displayPdfString((PdfString) entryObj, tj);
			tj = 0;
		} else {
			tj = ((PdfNumber) entryObj).floatValue();
		}
	}

}
 

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));
        }
    }
}
 

/**
 * Constructs a PDF Collection Sort Dictionary.
 * @param keys	the keys of the fields that will be used to sort entries
 */
public PdfCollectionSort(String[] keys) {
	super(PdfName.COLLECTIONSORT);
	PdfArray array = new PdfArray();
	for (int i = 0; i < keys.length; i++) {
		array.add(new PdfName(keys[i]));
	}
	put(PdfName.S, array);
}
 

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));
        }
    }
}
 

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;
}
 

@Override
public void exportElement(JRPdfExporterContext exporterContext,
		JRGenericPrintElement element)
{
	try
	{
		PdfWriter writer = exporterContext.getPdfWriter();
		PdfIndirectObject swfRef;
		boolean newContext = !existingContexts.containsKey(exporterContext);
		if (newContext)
		{
			// add the Adobe 1.7 extensions catalog dictionary
			PdfDictionary extensions = new PdfDictionary();
			PdfDictionary adobeExtension = new PdfDictionary();
			adobeExtension.put(new PdfName("BaseVersion"), PdfWriter.PDF_VERSION_1_7);
			adobeExtension.put(new PdfName("ExtensionLevel"), new PdfNumber(3));
			extensions.put(new PdfName("ADBE"), adobeExtension);
			writer.getExtraCatalog().put(new PdfName("Extensions"), extensions);
			
			// add the swf file
			byte[] swfData = readSwf();
			PdfFileSpecification swfFile = PdfFileSpecification.fileEmbedded(writer, 
					null, "Open Flash Chart", swfData);
			swfRef = writer.addToBody(swfFile);
			existingContexts.put(exporterContext, swfRef);
		}
		else
		{
			swfRef = existingContexts.get(exporterContext);
		}
		
		Rectangle rect = new Rectangle(element.getX() + exporterContext.getOffsetX(), 
				exporterContext.getExportedReport().getPageHeight() - element.getY() - exporterContext.getOffsetY(), 
				element.getX() + exporterContext.getOffsetX() + element.getWidth(),
				exporterContext.getExportedReport().getPageHeight() - element.getY() - exporterContext.getOffsetY() - element.getHeight());
		PdfAnnotation ann = new PdfAnnotation(writer, rect);
		ann.put(PdfName.SUBTYPE, new PdfName("RichMedia"));
		
		PdfDictionary settings = new PdfDictionary();
		PdfDictionary activation = new PdfDictionary();
		activation.put(new PdfName("Condition"), new PdfName("PV"));
		settings.put(new PdfName("Activation"), activation);
		ann.put(new PdfName("RichMediaSettings"), settings);
		
		PdfDictionary content = new PdfDictionary();
		
		HashMap<String, PdfIndirectReference> assets = new HashMap<String, PdfIndirectReference>();
		assets.put("map.swf", swfRef.getIndirectReference());
		PdfDictionary assetsDictionary = PdfNameTree.writeTree(assets, writer);
		content.put(new PdfName("Assets"), assetsDictionary);
		
		PdfArray configurations = new PdfArray();
		PdfDictionary configuration = new PdfDictionary();
		
		PdfArray instances = new PdfArray();
		PdfDictionary instance = new PdfDictionary();
		instance.put(new PdfName("Subtype"), new PdfName("Flash"));
		PdfDictionary params = new PdfDictionary();
		
		String chartData = (String) element.getParameterValue(PARAMETER_CHART_DATA);
		String vars = "inline_data=" + chartData;
		params.put(new PdfName("FlashVars"), new PdfString(vars));
		instance.put(new PdfName("Params"), params);
		instance.put(new PdfName("Asset"), swfRef.getIndirectReference());
		PdfIndirectObject instanceRef = writer.addToBody(instance);
		instances.add(instanceRef.getIndirectReference());
		configuration.put(new PdfName("Instances"), instances);
		
		PdfIndirectObject configurationRef = writer.addToBody(configuration);
		configurations.add(configurationRef.getIndirectReference());
		content.put(new PdfName("Configurations"), configurations);
		
		ann.put(new PdfName("RichMediaContent"), content);
		
		writer.addAnnotation(ann);
	}
	catch (Exception e)
	{
		throw new RuntimeException(e);
	}
}
 

PdfObject getColorspace() {
    if (icc_profile != null) {
        if ((colorType & 2) == 0)
            return PdfName.DEVICEGRAY;
        else
            return PdfName.DEVICERGB;
    }
    if (gamma == 1f && !hasCHRM) {
        if ((colorType & 2) == 0)
            return PdfName.DEVICEGRAY;
        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;
    }
}
 

public PolygonAnnotation( final PdfWriter writer, final float[] coords ) {
  super( writer, null );
  put( PdfName.SUBTYPE, POLYGON );
  put( PdfName.RECT, createRec( coords ) );
  put( VERTICES, new PdfArray( coords ) );
}
 

ITextPdfArray(PdfArray wrapped) {
	this.wrapped = wrapped;
}