List of usage examples for com.itextpdf.text.pdf PdfStamper close
public void close() throws DocumentException, IOException
From source file:org.alfresco.extension.pdftoolkit.repo.action.executer.PDFSignatureActionExecuter.java
License:Apache License
/** * // www . j ava2s . c o m * @param ruleAction * @param actionedUponNodeRef * @param actionedUponContentReader */ protected void doSignature(Action ruleAction, NodeRef actionedUponNodeRef, ContentReader actionedUponContentReader) { NodeRef privateKey = (NodeRef) ruleAction.getParameterValue(PARAM_PRIVATE_KEY); String location = (String) ruleAction.getParameterValue(PARAM_LOCATION); String position = (String) ruleAction.getParameterValue(PARAM_POSITION); String reason = (String) ruleAction.getParameterValue(PARAM_REASON); String visibility = (String) ruleAction.getParameterValue(PARAM_VISIBILITY); String keyPassword = (String) ruleAction.getParameterValue(PARAM_KEY_PASSWORD); String keyType = (String) ruleAction.getParameterValue(PARAM_KEY_TYPE); int height = getInteger(ruleAction.getParameterValue(PARAM_HEIGHT)); int width = getInteger(ruleAction.getParameterValue(PARAM_WIDTH)); int pageNumber = getInteger(ruleAction.getParameterValue(PARAM_PAGE)); // New keystore parameters String alias = (String) ruleAction.getParameterValue(PARAM_ALIAS); String storePassword = (String) ruleAction.getParameterValue(PARAM_STORE_PASSWORD); int locationX = getInteger(ruleAction.getParameterValue(PARAM_LOCATION_X)); int locationY = getInteger(ruleAction.getParameterValue(PARAM_LOCATION_Y)); File tempDir = null; ContentWriter writer = null; KeyStore ks = null; try { // get a keystore instance by if (keyType == null || keyType.equalsIgnoreCase(KEY_TYPE_DEFAULT)) { ks = KeyStore.getInstance(KeyStore.getDefaultType()); } else if (keyType.equalsIgnoreCase(KEY_TYPE_PKCS12)) { ks = KeyStore.getInstance("pkcs12"); } else { throw new AlfrescoRuntimeException("Unknown key type " + keyType + " specified"); } // open the reader to the key and load it ContentReader keyReader = getReader(privateKey); ks.load(keyReader.getContentInputStream(), storePassword.toCharArray()); // set alias // String alias = (String) ks.aliases().nextElement(); PrivateKey key = (PrivateKey) ks.getKey(alias, keyPassword.toCharArray()); Certificate[] chain = ks.getCertificateChain(alias); // open original pdf ContentReader pdfReader = getReader(actionedUponNodeRef); PdfReader reader = new PdfReader(pdfReader.getContentInputStream()); // create temp dir to store file File alfTempDir = TempFileProvider.getTempDir(); tempDir = new File(alfTempDir.getPath() + File.separatorChar + actionedUponNodeRef.getId()); tempDir.mkdir(); File file = new File(tempDir, serviceRegistry.getFileFolderService().getFileInfo(actionedUponNodeRef).getName()); FileOutputStream fout = new FileOutputStream(file); PdfStamper stamp = PdfStamper.createSignature(reader, fout, '\0'); PdfSignatureAppearance sap = stamp.getSignatureAppearance(); sap.setCrypto(key, chain, null, PdfSignatureAppearance.WINCER_SIGNED); // set reason for signature and location of signer sap.setReason(reason); sap.setLocation(location); if (visibility.equalsIgnoreCase(PDFSignatureActionExecuter.VISIBILITY_VISIBLE)) { //create the signature rectangle using either the provided position or //the exact coordinates, if provided if (position != null && !position.trim().equalsIgnoreCase("")) { Rectangle pageRect = reader.getPageSizeWithRotation(pageNumber); sap.setVisibleSignature(positionSignature(position, pageRect, width, height), pageNumber, null); } else { sap.setVisibleSignature( new Rectangle(locationX, locationY, locationX + width, locationY - height), pageNumber, null); } } stamp.close(); //can't use BasePDFActionExecuter.getWriter here need the nodeRef of the destination NodeRef destinationNode = createDestinationNode(file.getName(), (NodeRef) ruleAction.getParameterValue(PARAM_DESTINATION_FOLDER), actionedUponNodeRef); writer = serviceRegistry.getContentService().getWriter(destinationNode, ContentModel.PROP_CONTENT, true); writer.setEncoding(actionedUponContentReader.getEncoding()); writer.setMimetype(FILE_MIMETYPE); writer.putContent(file); file.delete(); //if useAspect is true, store some additional info about the signature in the props if (useAspect) { serviceRegistry.getNodeService().addAspect(destinationNode, PDFToolkitModel.ASPECT_SIGNED, new HashMap<QName, Serializable>()); serviceRegistry.getNodeService().setProperty(destinationNode, PDFToolkitModel.PROP_REASON, reason); serviceRegistry.getNodeService().setProperty(destinationNode, PDFToolkitModel.PROP_LOCATION, location); serviceRegistry.getNodeService().setProperty(destinationNode, PDFToolkitModel.PROP_SIGNATUREDATE, new java.util.Date()); serviceRegistry.getNodeService().setProperty(destinationNode, PDFToolkitModel.PROP_SIGNEDBY, AuthenticationUtil.getRunAsUser()); } } catch (IOException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (KeyStoreException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (ContentIOException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (NoSuchAlgorithmException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (CertificateException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (UnrecoverableKeyException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (DocumentException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } finally { if (tempDir != null) { try { tempDir.delete(); } catch (Exception ex) { throw new AlfrescoRuntimeException(ex.getMessage(), ex); } } } }
From source file:org.alfresco.extension.pdftoolkit.repo.action.executer.PDFWatermarkActionExecuter.java
License:Apache License
/** * Applies an image watermark// w w w . j av a 2 s . c o m * * @param reader * @param writer * @param options * @throws Exception */ private void imageAction(Action ruleAction, NodeRef actionedUponNodeRef, NodeRef watermarkNodeRef, ContentReader actionedUponContentReader, ContentReader watermarkContentReader, Map<String, Object> options) { PdfStamper stamp = null; File tempDir = null; ContentWriter writer = null; try { // get a temp file to stash the watermarked PDF in before moving to // repo File alfTempDir = TempFileProvider.getTempDir(); tempDir = new File(alfTempDir.getPath() + File.separatorChar + actionedUponNodeRef.getId()); tempDir.mkdir(); File file = new File(tempDir, serviceRegistry.getFileFolderService().getFileInfo(actionedUponNodeRef).getName()); // get the PDF input stream and create a reader for iText PdfReader reader = new PdfReader(actionedUponContentReader.getContentInputStream()); stamp = new PdfStamper(reader, new FileOutputStream(file)); PdfContentByte pcb; // get a com.itextpdf.text.Image object via java.imageio.ImageIO Image img = Image.getInstance(ImageIO.read(watermarkContentReader.getContentInputStream()), null); // get the PDF pages and position String pages = (String) options.get(PARAM_PAGE); String position = (String) options.get(PARAM_POSITION); String depth = (String) options.get(PARAM_WATERMARK_DEPTH); // image requires absolute positioning or an exception will be // thrown // set image position according to parameter. Use // PdfReader.getPageSizeWithRotation // to get the canvas size for alignment. img.setAbsolutePosition(100f, 100f); // stamp each page int numpages = reader.getNumberOfPages(); for (int i = 1; i <= numpages; i++) { Rectangle r = reader.getPageSizeWithRotation(i); // set stamp position if (position.equals(POSITION_BOTTOMLEFT)) { img.setAbsolutePosition(0, 0); } else if (position.equals(POSITION_BOTTOMRIGHT)) { img.setAbsolutePosition(r.getWidth() - img.getWidth(), 0); } else if (position.equals(POSITION_TOPLEFT)) { img.setAbsolutePosition(0, r.getHeight() - img.getHeight()); } else if (position.equals(POSITION_TOPRIGHT)) { img.setAbsolutePosition(r.getWidth() - img.getWidth(), r.getHeight() - img.getHeight()); } else if (position.equals(POSITION_CENTER)) { img.setAbsolutePosition(getCenterX(r, img), getCenterY(r, img)); } // if this is an under-text stamp, use getUnderContent. // if this is an over-text stamp, usse getOverContent. if (depth.equals(DEPTH_OVER)) { pcb = stamp.getOverContent(i); } else { pcb = stamp.getUnderContent(i); } // only apply stamp to requested pages if (checkPage(pages, i, numpages)) { pcb.addImage(img); } } stamp.close(); // Get a writer and prep it for putting it back into the repo //can't use BasePDFActionExecuter.getWriter here need the nodeRef of the destination NodeRef destinationNode = createDestinationNode(file.getName(), (NodeRef) ruleAction.getParameterValue(PARAM_DESTINATION_FOLDER), actionedUponNodeRef); writer = serviceRegistry.getContentService().getWriter(destinationNode, ContentModel.PROP_CONTENT, true); writer.setEncoding(actionedUponContentReader.getEncoding()); writer.setMimetype(FILE_MIMETYPE); // Put it in the repo writer.putContent(file); // delete the temp file file.delete(); } catch (IOException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (DocumentException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } finally { if (tempDir != null) { try { tempDir.delete(); } catch (Exception ex) { throw new AlfrescoRuntimeException(ex.getMessage(), ex); } } if (stamp != null) { try { stamp.close(); } catch (Exception ex) { throw new AlfrescoRuntimeException(ex.getMessage(), ex); } } } }
From source file:org.alfresco.extension.pdftoolkit.repo.action.executer.PDFWatermarkActionExecuter.java
License:Apache License
/** * Applies a text watermark (current date, user name, etc, depending on * options)/* ww w .j av a 2 s. co m*/ * * @param reader * @param writer * @param options */ private void textAction(Action ruleAction, NodeRef actionedUponNodeRef, ContentReader actionedUponContentReader, Map<String, Object> options) { PdfStamper stamp = null; File tempDir = null; ContentWriter writer = null; String watermarkText; StringTokenizer st; Vector<String> tokens = new Vector<String>(); try { // get a temp file to stash the watermarked PDF in before moving to // repo File alfTempDir = TempFileProvider.getTempDir(); tempDir = new File(alfTempDir.getPath() + File.separatorChar + actionedUponNodeRef.getId()); tempDir.mkdir(); File file = new File(tempDir, serviceRegistry.getFileFolderService().getFileInfo(actionedUponNodeRef).getName()); // get the PDF input stream and create a reader for iText PdfReader reader = new PdfReader(actionedUponContentReader.getContentInputStream()); stamp = new PdfStamper(reader, new FileOutputStream(file)); PdfContentByte pcb; // get the PDF pages and position String pages = (String) options.get(PARAM_PAGE); String position = (String) options.get(PARAM_POSITION); String depth = (String) options.get(PARAM_WATERMARK_DEPTH); // create the base font for the text stamp BaseFont bf = BaseFont.createFont((String) options.get(PARAM_WATERMARK_FONT), BaseFont.CP1250, BaseFont.EMBEDDED); // get watermark text and process template with model String templateText = (String) options.get(PARAM_WATERMARK_TEXT); Map<String, Object> model = buildWatermarkTemplateModel(actionedUponNodeRef); StringWriter watermarkWriter = new StringWriter(); freemarkerProcessor.processString(templateText, model, watermarkWriter); watermarkText = watermarkWriter.getBuffer().toString(); // tokenize watermark text to support multiple lines and copy tokens // to vector for re-use st = new StringTokenizer(watermarkText, "\r\n", false); while (st.hasMoreTokens()) { tokens.add(st.nextToken()); } // stamp each page int numpages = reader.getNumberOfPages(); for (int i = 1; i <= numpages; i++) { Rectangle r = reader.getPageSizeWithRotation(i); // if this is an under-text stamp, use getUnderContent. // if this is an over-text stamp, use getOverContent. if (depth.equals(DEPTH_OVER)) { pcb = stamp.getOverContent(i); } else { pcb = stamp.getUnderContent(i); } // set the font and size float size = Float.parseFloat((String) options.get(PARAM_WATERMARK_SIZE)); pcb.setFontAndSize(bf, size); // only apply stamp to requested pages if (checkPage(pages, i, numpages)) { writeAlignedText(pcb, r, tokens, size, position); } } stamp.close(); // Get a writer and prep it for putting it back into the repo //can't use BasePDFActionExecuter.getWriter here need the nodeRef of the destination NodeRef destinationNode = createDestinationNode(file.getName(), (NodeRef) ruleAction.getParameterValue(PARAM_DESTINATION_FOLDER), actionedUponNodeRef); writer = serviceRegistry.getContentService().getWriter(destinationNode, ContentModel.PROP_CONTENT, true); writer.setEncoding(actionedUponContentReader.getEncoding()); writer.setMimetype(FILE_MIMETYPE); // Put it in the repo writer.putContent(file); // delete the temp file file.delete(); } catch (IOException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } catch (DocumentException e) { throw new AlfrescoRuntimeException(e.getMessage(), e); } finally { if (tempDir != null) { try { tempDir.delete(); } catch (Exception ex) { throw new AlfrescoRuntimeException(ex.getMessage(), ex); } } if (stamp != null) { try { stamp.close(); } catch (Exception ex) { throw new AlfrescoRuntimeException(ex.getMessage(), ex); } } } }
From source file:org.cejug.footprint.FootPrint.java
License:Open Source License
public byte[] generate() { ByteArrayOutputStream baos = new ByteArrayOutputStream(); try {/* ww w . j a v a2s . c om*/ PdfStamper stamper = new PdfStamper(reader, baos); AcroFields fields = stamper.getAcroFields(); Set<String> keys = fields.getFields().keySet(); for (String k : keys) { fields.setField(k, values.get(k)); } stamper.close(); } catch (DocumentException | IOException e) { e.printStackTrace(); } return baos.toByteArray(); }
From source file:org.crossref.pdfmark.Main.java
License:Open Source License
public Main(String[] args) { if (args.length == 0) { printUsage();//from w w w . j a va 2s .c o m System.exit(2); } CmdLineParser parser = new CmdLineParser(); Option provideXmpOp = parser.addStringOption('p', "xmp-file"); Option overwriteOp = parser.addBooleanOption('f', "force"); Option outputOp = parser.addStringOption('o', "output-dir"); Option doiOp = parser.addStringOption('d', "doi"); Option searchOp = parser.addBooleanOption('s', "search-for-doi"); Option copyrightOp = parser.addBooleanOption("no-copyright"); Option rightsOp = parser.addStringOption("rights-agent"); Option apiKeyOp = parser.addStringOption("api-key"); try { parser.parse(args); } catch (CmdLineParser.OptionException e) { printUsage(); System.exit(2); } String optionalXmpPath = (String) parser.getOptionValue(provideXmpOp, ""); String outputDir = (String) parser.getOptionValue(outputOp, ""); String explicitDoi = (String) parser.getOptionValue(doiOp, ""); boolean useTheForce = (Boolean) parser.getOptionValue(overwriteOp, Boolean.FALSE); boolean searchForDoi = (Boolean) parser.getOptionValue(searchOp, Boolean.FALSE); boolean noCopyright = (Boolean) parser.getOptionValue(copyrightOp, Boolean.FALSE); String rightsAgent = (String) parser.getOptionValue(rightsOp, ""); String apiKey = (String) parser.getOptionValue(apiKeyOp, ApiKey.DEFAULT); if (!explicitDoi.equals("") && searchForDoi) { exitWithError(2, "-d and -s are mutually exclusive options."); } if (!outputDir.isEmpty() && !new File(outputDir).exists()) { exitWithError(2, "The output directory, '" + outputDir + "' does not exist."); } byte[] optionalXmpData = null; if (!optionalXmpPath.equals("")) { /* We will take XMP data from a file. */ FileInfo xmpFile = FileInfo.readFileFully(optionalXmpPath); if (xmpFile.missing) { exitWithError(2, "Error: File '" + xmpFile.path + "' does not exist."); } else if (xmpFile.error != null) { exitWithError(2, "Error: Could not read '" + xmpFile.path + "' because of:\n" + xmpFile.error); } optionalXmpData = xmpFile.data; } grabber = new MetadataGrabber(apiKey); /* Now we're ready to merge our imported or generated XMP data with what * is already in each PDF. */ for (String pdfFilePath : parser.getRemainingArgs()) { String outputPath = getOutFileName(pdfFilePath); /* Grab the leaf. */ if (outputPath.contains(File.separator)) { String[] split = outputPath.split(File.separator); outputPath = split[split.length - 1]; } if (!outputDir.isEmpty()) { outputPath = outputDir + File.separator + outputPath; } else { /* Output to the working directory. */ } File pdfFile = new File(pdfFilePath); File outputFile = new File(outputPath); byte[] resolvedXmpData = null; if (!pdfFile.exists()) { exitWithError(2, "Error: File '" + pdfFilePath + "' does not exist."); } if (outputFile.exists() && !useTheForce) { exitWithError(2, "Error: File '" + outputPath + "' already exists.\nTry using -f (force)."); } try { if (!useTheForce && isLinearizedPdf(new FileInputStream(pdfFile))) { exitWithError(2, "Error: '" + pdfFilePath + "' is a" + " linearized PDF and force is not specified." + " This tool will output non-linearized PDF." + "\nIf you don't mind that, use -f (force)."); } } catch (IOException e) { exitWithError(2, "Error: Could not determine linearization" + " because of:\n" + e); } if (!explicitDoi.equals("")) { resolvedXmpData = getXmpForDoi(explicitDoi, !noCopyright, rightsAgent); } try { new File(outputFile.getPath() + ".tmp").deleteOnExit(); FileInputStream fileIn = new FileInputStream(pdfFile); FileOutputStream fileOut = new FileOutputStream(outputFile.getPath() + ".tmp"); PdfReader reader = new PdfReader(fileIn); PdfStamper stamper = new PdfStamper(reader, fileOut); byte[] merged = reader.getMetadata(); if (optionalXmpData != null) { merged = XmpUtils.mergeXmp(merged, optionalXmpData); } if (resolvedXmpData != null) { merged = XmpUtils.mergeXmp(merged, resolvedXmpData); } stamper.setXmpMetadata(merged); stamper.close(); reader.close(); fileIn = new FileInputStream(outputFile.getPath() + ".tmp"); writeInfoDictionary(fileIn, outputFile.getPath(), merged); } catch (IOException e) { exitWithError(2, "Error: Couldn't handle '" + pdfFilePath + "' because of:\n" + e); } catch (DocumentException e) { exitWithError(2, "Error: Couldn't handle '" + pdfFilePath + "' because of:\n" + e); } catch (XmpException e) { exitWithError(2, "Error: Couldn't handle '" + pdfFilePath + "' because of:\n" + e); } catch (COSVisitorException e) { exitWithError(2, "Error: Couldn't write document info dictionary" + " because of:\n" + e); } } shutDown(); }
From source file:org.dihedron.crypto.operations.sign.pdf.PDFSigner.java
License:Open Source License
@Override public void sign(InputStream input, OutputStream output) throws CryptoException { try {/*from ww w . ja v a 2s. c o m*/ PdfReader reader = new PdfReader(input); PdfStamper stamper = PdfStamper.createSignature(reader, output, '\0'); PdfSignatureAppearance appearance = stamper.getSignatureAppearance(); //appearance.setVisibleSignature("mySig"); appearance.setReason("Signed with Dihedron WebSign - Digital Signature for the Web ver. " + Crypto.valueOf(Traits.VERSION)); appearance.setLocation("Hidden Signature"); appearance.setCrypto((PrivateKey) key, chain, null, PdfSignatureAppearance.WINCER_SIGNED); if (mode == Mode.EXCLUSIVE) { appearance.setCertificationLevel(PdfSignatureAppearance.CERTIFIED_NO_CHANGES_ALLOWED); } // TODO: no graphic signature mode enabled yet // if (graphic) { // appearance.setAcro6Layers(true); // appearance.setSignatureGraphic(Image.getInstance(RESOURCE)); // appearance.setRenderingMode( // PdfSignatureAppearance.RenderingMode.GRAPHIC); // } stamper.close(); } catch (IOException e) { logger.error("I/O exception writing the PDF", e); throw new CryptoException("I/O exception writing the PDF", e); } catch (DocumentException e) { logger.error("invalid document: exception writing the PDF", e); throw new CryptoException("document exception writing the PDF", e); } }
From source file:org.freemedsoftware.util.CompositePdfForm.java
License:Open Source License
public static void main(String[] args) throws Exception { CommandLineParser parser = new GnuParser(); CommandLine line = null;/* w w w . j a v a2 s.co m*/ try { line = parser.parse(getOptions(), args); } catch (ParseException exp) { System.err.println("Parsing failed. Reason: " + exp.getMessage()); System.exit(1); } String dataFile = line.getOptionValue("i"); String templateFile = line.getOptionValue("t"); String outputFile = line.getOptionValue("o"); if (dataFile == null || templateFile == null || outputFile == null) { System.err.println("options:"); System.err.println("\t[-i|--input] Input file name"); System.err.println("\t[-t|--template] PDF template"); System.err.println("\t[-o|--output] Output file name"); System.exit(1); } if (!(new File(dataFile).exists())) { System.err.println("Could not open input data file " + dataFile); System.exit(1); } if (!(new File(templateFile).exists())) { System.err.println("Could not open template file " + templateFile); System.exit(1); } Serializer serializer = new Persister(); FormElementList elementList = serializer.read(FormElementList.class, new File(dataFile)); PdfReader templateReader = new PdfReader(templateFile); PdfStamper stamper = new PdfStamper(templateReader, new FileOutputStream(outputFile)); // Iterate fillForm(stamper.getAcroFields(), elementList); stamper.close(); System.exit(0); }
From source file:org.h819.commons.file.MyPDFUtils.java
/** * ??//from ww w . ja va 2 s. co m * * @param srcPdf ? * @param destPdf * @param waterMarkText ? * @param waterMarkImage ? */ public static void addWaterMarkFile(File srcPdf, File destPdf, String waterMarkText, File waterMarkImage) throws IOException, DocumentException { if (waterMarkText == null && waterMarkImage == null) throw new FileNotFoundException(waterMarkText + " " + waterMarkImage + " all null."); if (srcPdf == null || !srcPdf.exists() || !srcPdf.isFile()) throw new FileNotFoundException("pdf file : '" + srcPdf + "' does not exsit."); if (!FilenameUtils.getExtension(srcPdf.getAbsolutePath()).toLowerCase().equals("pdf")) return; if (waterMarkImage != null) { if (!waterMarkImage.exists() || !waterMarkImage.isFile()) throw new FileNotFoundException("img file : '" + srcPdf + "' does not exsit."); if (!FilenameUtils.getExtension(waterMarkImage.getAbsolutePath()).toLowerCase().equals("png")) throw new FileNotFoundException("image file '" + srcPdf + "' not png.(???? pdf )"); } PdfReader reader = getPdfReader(srcPdf); int n = reader.getNumberOfPages(); PdfStamper stamper = getPdfStamper(srcPdf, destPdf); // // HashMap<String, String> moreInfo = new HashMap<String, String>(); // moreInfo.put("Author", "H819 create"); // moreInfo.put("Producer", "H819 Producer"); // Key = CreationDate, Value = D:20070425182920 // Key = Producer, Value = TH-OCR 2000 (C++/Win32) // Key = Author, Value = TH-OCR 2000 // Key = Creator, Value = TH-OCR PDF Writer // stamp.setMoreInfo(moreInfo); // text Phrase text = null; if (waterMarkText != null) { // Font bfont = getPdfFont(); bfont.setSize(35); bfont.setColor(new BaseColor(192, 192, 192)); text = new Phrase(waterMarkText, bfont); } // image watermark Image img = null; float w = 0; float h = 0; if (waterMarkImage != null) { img = Image.getInstance(waterMarkImage.getAbsolutePath()); w = img.getScaledWidth(); h = img.getScaledHeight(); // img. img.setRotationDegrees(45); } // transparency PdfGState gs1 = new PdfGState(); gs1.setFillOpacity(0.5f); // properties PdfContentByte over; Rectangle pageSize; float x, y; // loop over every page for (int i = 1; i <= n; i++) { pageSize = reader.getPageSizeWithRotation(i); x = (pageSize.getLeft() + pageSize.getRight()) / 2; y = (pageSize.getTop() + pageSize.getBottom()) / 2; // pdf pdf ??? over = stamper.getOverContent(i); // ? // over = stamp.getUnderContent(i); // ?? over.beginText(); over.endText(); ? // ,?,:???? over.saveState(); //?? over.setGState(gs1); if (waterMarkText != null && waterMarkImage != null) { // if (i % 2 == 1) { ColumnText.showTextAligned(over, Element.ALIGN_CENTER, text, x, y, 45); } else over.addImage(img, w, 0, 0, h, x - (w / 2), y - (h / 2)); } else if (waterMarkText != null) { //? ColumnText.showTextAligned(over, Element.ALIGN_CENTER, text, x, y, 45); //?? ,?, :????? // ... } else { //? over.addImage(img, w, 0, 0, h, x - (w / 2), y - (h / 2)); } over.restoreState();//??? } stamper.close(); reader.close(); }
From source file:org.h819.commons.file.MyPDFUtils.java
/** * ? pdf ??/* w ww .j a v a 2s. com*/ * * @param srcPdfFile the original PDF * @param descPdfFile the resulting PDF * @throws java.io.IOException * @throws DocumentException */ public static void compressPdf(File srcPdfFile, File descPdfFile) throws IOException, DocumentException { if (srcPdfFile == null || !srcPdfFile.exists()) throw new IOException("src pdf file '" + srcPdfFile + "' does not exsit."); PdfReader reader = getPdfReader(srcPdfFile); PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(descPdfFile.getAbsoluteFile()), PdfWriter.VERSION_1_7); stamper.getWriter().setCompressionLevel(9); int total = reader.getNumberOfPages() + 1; for (int i = 1; i < total; i++) { reader.setPageContent(i, reader.getPageContent(i)); } stamper.setFullCompression(); stamper.close(); reader.close(); }
From source file:org.h819.commons.file.MyPDFUtils.java
/** * pdf ? pdf//from www . j a v a 2s . c o m * * @param srcPdf the original PDF * @param destPdf the resulting PDF * @param imageFactor The multiplication factor for the image (? imageFacto =0.5f) * @throws IOException * @throws DocumentException */ public static void compressPdf(File srcPdf, File destPdf, float imageFactor) throws IOException, DocumentException { PdfReader reader = new PdfReader(srcPdf.getAbsolutePath()); int n = reader.getXrefSize(); PdfObject object; PRStream stream; // Look for image and manipulate image stream for (int i = 0; i < n; i++) { object = reader.getPdfObject(i); if (object == null || !object.isStream()) continue; stream = (PRStream) object; if (!PdfName.IMAGE.equals(stream.getAsName(PdfName.SUBTYPE))) continue; if (!PdfName.DCTDECODE.equals(stream.getAsName(PdfName.FILTER))) continue; PdfImageObject image = new PdfImageObject(stream); BufferedImage bi = image.getBufferedImage(); if (bi == null) continue; int width = (int) (bi.getWidth() * imageFactor); int height = (int) (bi.getHeight() * imageFactor); if (width <= 0 || height <= 0) continue; BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); AffineTransform at = AffineTransform.getScaleInstance(imageFactor, imageFactor); Graphics2D g = img.createGraphics(); g.drawRenderedImage(bi, at); ByteArrayOutputStream imgBytes = new ByteArrayOutputStream(); ImageIO.write(img, "JPG", imgBytes); stream.clear(); stream.setData(imgBytes.toByteArray(), false, PRStream.NO_COMPRESSION); stream.put(PdfName.TYPE, PdfName.XOBJECT); stream.put(PdfName.SUBTYPE, PdfName.IMAGE); stream.put(PdfName.FILTER, PdfName.DCTDECODE); stream.put(PdfName.WIDTH, new PdfNumber(width)); stream.put(PdfName.HEIGHT, new PdfNumber(height)); stream.put(PdfName.BITSPERCOMPONENT, new PdfNumber(8)); stream.put(PdfName.COLORSPACE, PdfName.DEVICERGB); } reader.removeUnusedObjects(); // Save altered PDF PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(destPdf.getAbsolutePath())); stamper.setFullCompression(); stamper.close(); reader.close(); }