List of usage examples for com.itextpdf.text.pdf.parser PdfImageObject getDictionary
public PdfDictionary getDictionary()
From source file:mkl.testarea.itext5.pdfcleanup.PdfCleanUpRenderListener.java
License:Open Source License
public void renderImage(ImageRenderInfo renderInfo) { List<Rectangle> areasToBeCleaned = getImageAreasToBeCleaned(renderInfo); if (areasToBeCleaned == null) { chunks.add(new PdfCleanUpContentChunk.Image(false, null)); } else {/*from w w w. ja va 2 s . c om*/ try { PdfImageObject pdfImage = renderInfo.getImage(); byte[] imageBytes = processImage(pdfImage.getImageAsBytes(), areasToBeCleaned); if (renderInfo.getRef() == null && pdfImage != null) { // true => inline image PdfDictionary dict = pdfImage.getDictionary(); PdfObject imageMask = dict.get(PdfName.IMAGEMASK); Image image = Image.getInstance(imageBytes); if (imageMask == null) { imageMask = dict.get(PdfName.IM); } if (imageMask != null && imageMask.equals(PdfBoolean.PDFTRUE)) { image.makeMask(); } PdfContentByte canvas = getContext().getCanvas(); canvas.addImage(image, 1, 0, 0, 1, 0, 0, true); } else if (pdfImage != null && imageBytes != pdfImage.getImageAsBytes()) { chunks.add(new PdfCleanUpContentChunk.Image(true, imageBytes)); } } catch (Exception e) { throw new RuntimeException(e); } } }
From source file:org.gmdev.pdftrick.engine.ImageListenerShowThumb.java
License:Open Source License
/** * extracts the images contained in selected page and convert it in a BufferedImage to add and show to the center panel. * @param renderInfo//from w ww . ja v a2 s .com */ private void render(ImageRenderInfo renderInfo) { final HashMap<Integer, String> rotationFromPages = factory.getRotationFromPages(); boolean isInline = false; PdfImageObject image = null; try { BufferedImage buffImg = null; if (renderInfo.getRef() == null) { isInline = true; inlineImageCounter += 1; } try { image = renderInfo.getImage(); } catch (UnsupportedPdfException updfe) { try { if (isInline) { buffImg = null; } else { buffImg = CustomExtraImgReader.readIndexedPNG(renderInfo.getRef().getNumber(), factory.getResultFile()); } } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); unsupportedImage++; return; } } if (image != null) { BufferedImage buffPic = null; try { // if image is JBIG2 type i need a custom way and using jbig2 ImageIO plugin if (image.getFileType().equalsIgnoreCase("JBIG2")) { buffPic = CustomExtraImgReader.readJBIG2(image); } else { buffPic = image.getBufferedImage(); } } catch (IIOException iioex) { byte[] imageByteArray = image.getImageAsBytes(); try { buffPic = CustomExtraImgReader.readCMYK_JPG(imageByteArray); } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); unsupportedImage++; return; } } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); unsupportedImage++; return; } // check if image contains a mask image BufferedImage buffMask = null; PdfDictionary imageDictionary = image.getDictionary(); PRStream maskStream = (PRStream) imageDictionary.getAsStream(PdfName.SMASK); if (maskStream != null) { // if i have an smak object i check that is not a jpeg format, because this may cause some problem on offscreen rendering // usually all imges with mask are png ... and there aren't problems, if image is jpg i discard the mask :) if (!image.getFileType().equalsIgnoreCase("jpg") && buffPic != null) { PdfImageObject maskImage = new PdfImageObject(maskStream); buffMask = maskImage.getBufferedImage(); Image img = PdfTrickUtils.TransformGrayToTransparency(buffMask); buffImg = PdfTrickUtils.ApplyTransparency(buffPic, img); } else { buffImg = buffPic; } } else { buffImg = buffPic; } } String flip = ""; String rotate = ""; Matrix matrix = renderInfo.getImageCTM(); String angle = "" + rotationFromPages.get(numPage); // experimental float i11 = matrix.get(Matrix.I11); // if negative -> horizontal flip float i12 = matrix.get(Matrix.I12); // if negative -> 90 degree rotation float i21 = matrix.get(Matrix.I21); // if negative -> 270 degree rotation float i22 = matrix.get(Matrix.I22); // if negative -> vertical flip // flip and rotation ... from matrix if i11 or i22 is negative i have to flip image if (("" + i11).charAt(0) == '-') { flip = "fh"; } else if (("" + i22).charAt(0) == '-') { flip = "fv"; } if (angle.equalsIgnoreCase("270") || ("" + i21).charAt(0) == '-') { rotate = "270"; } else if (angle.equalsIgnoreCase("180")) { rotate = "180"; } else if (angle.equalsIgnoreCase("90") || ("" + i12).charAt(0) == '-') { rotate = "90"; } if (buffImg != null) { buffImg = PdfTrickUtils.adjustImage(buffImg, flip, rotate); RenderedImageAttributes imageAttrs = null; if (isInline) { // set up inline image object attributes and store it in a hashmap InlineImage inImg = new InlineImage(buffImg, image != null ? image.getFileType() : "png"); imageAttrs = new RenderedImageInline(inlineImageCounter, inImg, numPage, flip, rotate); } else { // set up image object for normal images imageAttrs = new RenderedImageNormal(numPage, renderInfo.getRef().getNumber(), flip, rotate); } // scaling image with original aspect ratio (if image exceded pic box) int w = buffImg.getWidth(); int h = buffImg.getHeight(); if (w > 170 || h > 170) { double faktor; if (w > h) { faktor = 160 / (double) w; int scaledW = (int) Math.round(faktor * w); int scaledH = (int) Math.round(faktor * h); buffImg = PdfTrickUtils.getScaledImagWithScalr(buffImg, scaledW, scaledH); } else { faktor = 160 / (double) h; int scaledW = (int) Math.round(faktor * w); int scaledH = (int) Math.round(faktor * h); buffImg = PdfTrickUtils.getScaledImagWithScalr(buffImg, scaledW, scaledH); } } numImg++; // dynamic update on the center panel (under EDT thread). UpdatePanelCenter upPcenter = this.upPcenter; upPcenter.setInlineImg(isInline); upPcenter.setBuffImg(buffImg); upPcenter.setImageAttrs(imageAttrs); try { SwingUtilities.invokeAndWait(upPcenter); } catch (InterruptedException e) { logger.error("Exception", e); } catch (InvocationTargetException e) { logger.error("Exception", e); } buffImg.flush(); } else { unsupportedImage++; } } catch (IOException e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); unsupportedImage++; } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); unsupportedImage++; } }
From source file:org.gmdev.pdftrick.engine.ImagesExtractor.java
License:Open Source License
/** * /*from w w w . java 2s .com*/ * @param timeDirResult * @param resultFilePath * @param imageSelected * @param inlineImgSelected * @return TRUE if the extraction went good */ private boolean extractImgSel(String timeDirResult, String resultFilePath, HashMap<String, RenderedImageAttributes> imageSelected, HashMap<String, RenderedImageAttributes> inlineImgSelected) { final Properties messages = factory.getMessages(); String result = timeDirResult + "/" + "Img_%s.%s"; PdfReader reader = null; boolean retExtract = true; try { reader = new PdfReader(resultFilePath); Set<String> keys = imageSelected.keySet(); Iterator<String> i = keys.iterator(); int z = 1; while (i.hasNext()) { BufferedImage buff = null; String key = i.next(); RenderedImageAttributes imgAttr = imageSelected.get(key); String flip = imgAttr.getFlip(); String rotate = imgAttr.getRotate(); int ref = imgAttr.getReference(); PdfObject o = reader.getPdfObject(ref); PdfStream stream = (PdfStream) o; PdfImageObject io = null; try { io = new PdfImageObject((PRStream) stream); } catch (UnsupportedPdfException updfe) { try { buff = CustomExtraImgReader.readIndexedPNG(ref, resultFilePath); buff = PdfTrickUtils.adjustImage(buff, flip, rotate); String type = "png"; String filename = String.format(result, z, type); File outputfile = new File(filename); ImageIO.write(buff, type, outputfile); } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); } } if (io != null) { String type = io.getFileType(); String filename = String.format(result, z, type); BufferedImage buffPic = null; try { if (type.equalsIgnoreCase("JBIG2")) { buffPic = CustomExtraImgReader.readJBIG2(io); } else { buffPic = io.getBufferedImage(); } } catch (IIOException e) { byte[] imageByteArray = io.getImageAsBytes(); try { buffPic = CustomExtraImgReader.readCMYK_JPG(imageByteArray); } catch (Exception ex) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); } } // check if image contains a mask image BufferedImage buffMask = null; PdfDictionary imageDictionary = io.getDictionary(); PRStream maskStream = (PRStream) imageDictionary.getAsStream(PdfName.SMASK); if (maskStream != null) { // i have an smask object i check that is not a jpeg format, because this may cause some problem on offscreen rendering // usually all imges with mask are png ... and there aren't problem, if image is jpg i discard the mask :) if (!type.equalsIgnoreCase("jpg")) { PdfImageObject maskImage = new PdfImageObject(maskStream); buffMask = maskImage.getBufferedImage(); Image img = PdfTrickUtils.TransformGrayToTransparency(buffMask); buff = PdfTrickUtils.ApplyTransparency(buffPic, img); } else { buff = buffPic; } } else { buff = buffPic; } if (buff != null) { buff = PdfTrickUtils.adjustImage(buff, flip, rotate); //particular cases of encoding String encode = ""; if (type.equalsIgnoreCase("jp2")) { encode = "jpeg 2000"; } else if (type.equalsIgnoreCase("jbig2")) { encode = "jpeg"; filename = String.format(result, z, "jpg"); } else { encode = type; } File outputfile = new File(filename); ImageIO.write(buff, encode, outputfile); } } z++; } reader.close(); if (inlineImgSelected.size() > 0) { extractInlineImgSel(timeDirResult, inlineImgSelected, z); } PdfTrickMessages.append("INFO", messages.getProperty("tmsg_19")); } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); retExtract = false; } return retExtract; }
From source file:org.gmdev.pdftrick.utils.CustomExtraImgReader.java
License:Open Source License
/** * Tead a JBIG2 image and give a BufferedImage * @param image//from w w w .j a va 2 s. c o m * @return The BufferedImage obj */ public static BufferedImage readJBIG2(PdfImageObject image) { BufferedImage buffImg = null; PdfDictionary dic = image.getDictionary(); PdfDictionary decodedic = dic.getAsDict(PdfName.DECODEPARMS); PdfStream globalStream = decodedic.getAsStream(PdfName.JBIG2GLOBALS); try { byte[] byteArrayGlobal = PdfReader.getStreamBytes((PRStream) globalStream); InputStream in = new ByteArrayInputStream(image.getImageAsBytes()); ImageInputStream stream = ImageIO.createImageInputStream(in); InputStream inG = new ByteArrayInputStream(byteArrayGlobal); ImageInputStream streamG = ImageIO.createImageInputStream(inG); JBIG2ImageReader reader = new JBIG2ImageReader(new JBIG2ImageReaderSpi()); reader.setInput(stream); JBIG2Globals globals = reader.processGlobals(streamG); reader.setGlobals(globals); ImageReadParam param = reader.getDefaultReadParam(); buffImg = reader.read(0, param); in.close(); inG.close(); } catch (Exception e) { logger.error("Exception", e); PdfTrickMessages.append("ERROR", Consts.SENDLOG_MSG); } return buffImg; }
From source file:pdfextract.ImageRenderListener.java
public void renderImage(ImageRenderInfo renderInfo) { try {/* w w w .j a v a 2s .com*/ PdfImageObject image = renderInfo.getImage(); if (image == null) return; int number = renderInfo.getRef() != null ? renderInfo.getRef().getNumber() : counter++; String filename = String.format("%s-%s.%s", name, number, image.getFileType()); FileOutputStream os = new FileOutputStream(filename); os.write(image.getImageAsBytes()); os.flush(); os.close(); PdfDictionary imageDictionary = image.getDictionary(); PRStream maskStream = (PRStream) imageDictionary.getAsStream(PdfName.SMASK); if (maskStream != null) { PdfImageObject maskImage = new PdfImageObject(maskStream); filename = String.format("%s-%s-mask.%s", name, number, maskImage.getFileType()); os = new FileOutputStream(filename); os.write(maskImage.getImageAsBytes()); os.flush(); os.close(); } } catch (IOException e) { e.printStackTrace(); } }