Example usage for org.apache.pdfbox.rendering PDFRenderer PDFRenderer

List of usage examples for org.apache.pdfbox.rendering PDFRenderer PDFRenderer

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Introduction

In this page you can find the example usage for org.apache.pdfbox.rendering PDFRenderer PDFRenderer.

Prototype

public PDFRenderer(PDDocument document)

Source Link

Document

Creates a new PDFRenderer.

Usage

From source file:adams.flow.transformer.PDFRenderPages.java

License:Open Source License

/**
 * Executes the flow item.//from  w  ww . j  av a  2 s  .c o m
 *
 * @return      null if everything is fine, otherwise error message
 */
@Override
protected String doExecute() {
    String result;
    File file;
    PDDocument doc;
    BufferedImageContainer cont;
    PDFRenderer renderer;
    BufferedImage img;
    MessageCollection errors;

    result = null;

    // get file
    if (m_InputToken.getPayload() instanceof File)
        file = (File) m_InputToken.getPayload();
    else
        file = new PlaceholderFile((String) m_InputToken.getPayload());

    doc = PDFBox.load(file);
    if (doc != null) {
        if (isLoggingEnabled())
            getLogger().info("Rendering pages from '" + file + "'");
        m_Pages.setMax(doc.getNumberOfPages());
        renderer = new PDFRenderer(doc);
        errors = new MessageCollection();
        for (int page : m_Pages.getIntIndices()) {
            if (isLoggingEnabled())
                getLogger().info("Rendering page #" + (page + 1));
            try {
                img = renderer.renderImageWithDPI(page, m_DPI);
                cont = new BufferedImageContainer();
                cont.setImage(img);
                cont.getReport().setStringValue("File", file.getAbsolutePath());
                cont.getReport().setNumericValue("Page", (page + 1));
                m_Images.add(cont);
            } catch (Exception e) {
                errors.add(handleException("Failed to render page #" + (page + 1) + " from " + file, e));
            }
        }
        if (!errors.isEmpty())
            result = errors.toString();
    } else {
        result = "Failed to load PDF document: " + file;
    }

    return result;
}

From source file:airviewer.AIRViewerModel.java

License:Apache License

/**
 * Constructor: Loads the PDF document at the path (file system path).
 *
 * @param path A file system path to a PDF file.
 * @throws IOException If the PDF file cannot be read or does not contain
 * valid PDF data./*  www .j  a  v a2s . c o  m*/
 */
AIRViewerModel(Path path) throws IOException {
    super(PDDocument.load(path.toFile()), "");
    renderer = new PDFRenderer(wrappedDocument);
    AbstractDocumentCommandWrapper.registerCommandFactoryWithName(
            (AbstractDocumentCommandWrapper owner,
                    ArrayList<String> args) -> new MoveSelectedAnnotationDocumentCommand(owner, args),
            "MoveSelectedAnnotation");
    AbstractDocumentCommandWrapper.registerCommandFactoryWithName(
            (AbstractDocumentCommandWrapper owner,
                    ArrayList<String> args) -> new DeleteSelectedAnnotationDocumentCommand(owner, args),
            "DeleteSelectedAnnotation");
    AbstractDocumentCommandWrapper.registerCommandFactoryWithName(
            (AbstractDocumentCommandWrapper owner,
                    ArrayList<String> args) -> new ChangeSelectedTextAnnotationDocumentCommand(owner, args),
            "ChangeSelectedAnnotationText");
}

From source file:ambroafb.general.PDFHelper.java

public PDFHelper(InputStream in) throws IOException {
    doc = PDDocument.load(in);
    rend = new PDFRenderer(doc);
}

From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox2.PADESPDFBOXSigner.java

License:EUPL

@Override
public Image generateVisibleSignaturePreview(SignParameter parameter, java.security.cert.X509Certificate cert,
        int resolution, OperationStatus status, RequestedSignature requestedSignature) throws PDFASError {
    try {/*  w  w  w  .  ja va2s .c o m*/
        PDFBOXObject pdfObject = (PDFBOXObject) status.getPdfObject();

        PDDocument origDoc = new PDDocument();
        origDoc.addPage(new PDPage(PDRectangle.A4));
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        origDoc.save(baos);
        baos.close();

        pdfObject.setOriginalDocument(new ByteArrayDataSource(baos.toByteArray()));

        SignatureProfileSettings signatureProfileSettings = TableFactory
                .createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings());

        // create Table describtion
        Table main = TableFactory.createSigTable(signatureProfileSettings, MAIN, pdfObject.getStatus(),
                requestedSignature);

        IPDFStamper stamper = StamperFactory.createDefaultStamper(pdfObject.getStatus().getSettings());

        IPDFVisualObject visualObject = stamper.createVisualPDFObject(pdfObject, main);

        SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus()
                .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID());

        String signaturePosString = signatureProfileConfiguration.getDefaultPositioning();
        PositioningInstruction positioningInstruction = null;
        if (signaturePosString != null) {
            positioningInstruction = Positioning.determineTablePositioning(new TablePos(signaturePosString), "",
                    origDoc, visualObject, pdfObject.getStatus().getSettings());
        } else {
            positioningInstruction = Positioning.determineTablePositioning(new TablePos(), "", origDoc,
                    visualObject, pdfObject.getStatus().getSettings());
        }

        origDoc.close();

        SignaturePositionImpl position = new SignaturePositionImpl();
        position.setX(positioningInstruction.getX());
        position.setY(positioningInstruction.getY());
        position.setPage(positioningInstruction.getPage());
        position.setHeight(visualObject.getHeight());
        position.setWidth(visualObject.getWidth());

        requestedSignature.setSignaturePosition(position);

        PDFAsVisualSignatureProperties properties = new PDFAsVisualSignatureProperties(
                pdfObject.getStatus().getSettings(), pdfObject, (PdfBoxVisualObject) visualObject,
                positioningInstruction, signatureProfileSettings);

        properties.buildSignature();
        PDDocument visualDoc;
        synchronized (PDDocument.class) {
            visualDoc = PDDocument.load(properties.getVisibleSignature());
        }
        // PDPageable pageable = new PDPageable(visualDoc);

        PDPage firstPage = visualDoc.getDocumentCatalog().getPages().get(0);

        float stdRes = 72;
        float targetRes = resolution;
        float factor = targetRes / stdRes;

        int targetPageNumber = 0;//TODO: is this always the case
        PDFRenderer pdfRenderer = new PDFRenderer(visualDoc);
        BufferedImage outputImage = pdfRenderer.renderImageWithDPI(targetPageNumber, targetRes, ImageType.ARGB);

        //BufferedImage outputImage = firstPage.convertToImage(BufferedImage.TYPE_4BYTE_ABGR, (int) targetRes);

        BufferedImage cutOut = new BufferedImage((int) (position.getWidth() * factor),
                (int) (position.getHeight() * factor), BufferedImage.TYPE_4BYTE_ABGR);

        Graphics2D graphics = (Graphics2D) cutOut.getGraphics();

        graphics.drawImage(outputImage, 0, 0, cutOut.getWidth(), cutOut.getHeight(), (int) (1 * factor),
                (int) (outputImage.getHeight() - ((position.getHeight() + 1) * factor)),
                (int) ((1 + position.getWidth()) * factor), (int) (outputImage.getHeight()
                        - ((position.getHeight() + 1) * factor) + (position.getHeight() * factor)),
                null);
        return cutOut;
    } catch (PdfAsException e) {
        logger.warn("PDF-AS  Exception", e);
        throw ErrorExtractor.searchPdfAsError(e, status);
    } catch (Throwable e) {
        logger.warn("Unexpected Throwable  Exception", e);
        throw ErrorExtractor.searchPdfAsError(e, status);
    }
}

From source file:com.ackpdfbox.app.PDFToImage.java

License:Apache License

/**
 * Infamous main method./*from ww  w . ja  v  a  2 s .c o  m*/
 *
 * @param args Command line arguments, should be one and a reference to a file.
 *
 * @throws IOException If there is an error parsing the document.
 */
public static void main(String[] args) throws IOException {
    // suppress the Dock icon on OS X
    System.setProperty("apple.awt.UIElement", "true");

    String password = "";
    String pdfFile = null;
    String outputPrefix = null;
    String imageFormat = "jpg";
    int startPage = 1;
    int endPage = Integer.MAX_VALUE;
    String color = "rgb";
    int dpi;
    float cropBoxLowerLeftX = 0;
    float cropBoxLowerLeftY = 0;
    float cropBoxUpperRightX = 0;
    float cropBoxUpperRightY = 0;
    boolean showTime = false;
    try {
        dpi = Toolkit.getDefaultToolkit().getScreenResolution();
    } catch (HeadlessException e) {
        dpi = 96;
    }
    for (int i = 0; i < args.length; i++) {
        if (args[i].equals(PASSWORD)) {
            i++;
            if (i >= args.length) {
                usage();
            }
            password = args[i];
        } else if (args[i].equals(START_PAGE)) {
            i++;
            if (i >= args.length) {
                usage();
            }
            startPage = Integer.parseInt(args[i]);
        } else if (args[i].equals(END_PAGE)) {
            i++;
            if (i >= args.length) {
                usage();
            }
            endPage = Integer.parseInt(args[i]);
        } else if (args[i].equals(PAGE)) {
            i++;
            if (i >= args.length) {
                usage();
            }
            startPage = Integer.parseInt(args[i]);
            endPage = Integer.parseInt(args[i]);
        } else if (args[i].equals(IMAGE_TYPE) || args[i].equals(FORMAT)) {
            i++;
            imageFormat = args[i];
        } else if (args[i].equals(OUTPUT_PREFIX) || args[i].equals(PREFIX)) {
            i++;
            outputPrefix = args[i];
        } else if (args[i].equals(COLOR)) {
            i++;
            color = args[i];
        } else if (args[i].equals(RESOLUTION) || args[i].equals(DPI)) {
            i++;
            dpi = Integer.parseInt(args[i]);
        } else if (args[i].equals(CROPBOX)) {
            i++;
            cropBoxLowerLeftX = Float.valueOf(args[i]);
            i++;
            cropBoxLowerLeftY = Float.valueOf(args[i]);
            i++;
            cropBoxUpperRightX = Float.valueOf(args[i]);
            i++;
            cropBoxUpperRightY = Float.valueOf(args[i]);
        } else if (args[i].equals(TIME)) {
            showTime = true;
        } else {
            if (pdfFile == null) {
                pdfFile = args[i];
            }
        }
    }
    if (pdfFile == null) {
        usage();
    } else {
        if (outputPrefix == null) {
            outputPrefix = pdfFile.substring(0, pdfFile.lastIndexOf('.'));
        }

        PDDocument document = null;
        try {
            document = PDDocument.load(new File(pdfFile), password);

            ImageType imageType = null;
            if ("bilevel".equalsIgnoreCase(color)) {
                imageType = ImageType.BINARY;
            } else if ("gray".equalsIgnoreCase(color)) {
                imageType = ImageType.GRAY;
            } else if ("rgb".equalsIgnoreCase(color)) {
                imageType = ImageType.RGB;
            } else if ("rgba".equalsIgnoreCase(color)) {
                imageType = ImageType.ARGB;
            }

            if (imageType == null) {
                System.err.println("Error: Invalid color.");
                System.exit(2);
            }

            //if a CropBox has been specified, update the CropBox:
            //changeCropBoxes(PDDocument document,float a, float b, float c,float d)
            if (cropBoxLowerLeftX != 0 || cropBoxLowerLeftY != 0 || cropBoxUpperRightX != 0
                    || cropBoxUpperRightY != 0) {
                changeCropBox(document, cropBoxLowerLeftX, cropBoxLowerLeftY, cropBoxUpperRightX,
                        cropBoxUpperRightY);
            }

            long startTime = System.nanoTime();

            // render the pages
            boolean success = true;
            endPage = Math.min(endPage, document.getNumberOfPages());
            PDFRenderer renderer = new PDFRenderer(document);
            for (int i = startPage - 1; i < endPage; i++) {
                BufferedImage image = renderer.renderImageWithDPI(i, dpi, imageType);
                String fileName = outputPrefix + (i + 1) + "." + imageFormat;
                success &= ImageIOUtil.writeImage(image, fileName, dpi);
            }

            // performance stats
            long endTime = System.nanoTime();
            long duration = endTime - startTime;
            int count = 1 + endPage - startPage;
            if (showTime) {
                System.err.printf("Rendered %d page%s in %dms\n", count, count == 1 ? "" : "s",
                        duration / 1000000);
            }

            if (!success) {
                System.err.println("Error: no writer found for image format '" + imageFormat + "'");
                System.exit(1);
            }
        } finally {
            if (document != null) {
                document.close();
            }
        }
    }
}

From source file:com.apache.pdfbox.ocr.tesseract.BadScan.java

License:Apache License

@Test
public void textBadScan() {
    try {/*from   w ww  . j ava2  s  .c  o  m*/
        PDDocument document = PDDocument.load(new File("src/test/resources/samples/scansmpl.pdf"));
        PDFRenderer renderer = new PDFRenderer(document);
        BufferedImage image = renderer.renderImage(0, 3);

        TessBaseAPI api = new TessBaseAPI();
        boolean init = api.init("eng");
        api.setBufferedImage(image);
        String text = api.getUTF8Text();
        System.out.println(text);
        api.end();
        assertEquals(init, true);
        document.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.apache.pdfbox.ocr.tesseract.TessBaseAPITest.java

License:Apache License

@Test
public void textBadScan() {
    try {/*from w  w w .  j ava  2 s. c  om*/
        PDDocument document = PDDocument.load(new File("src/test/resources/samples/scansmpl.pdf"));
        PDFRenderer renderer = new PDFRenderer(document);
        BufferedImage image = renderer.renderImage(0, 3);

        TessBaseAPI api = new TessBaseAPI();
        boolean init = api.init("eng");
        api.setBufferedImage(image);
        String text = api.getUTF8Text();
        System.out.println(text);
        api.end();
        assertEquals(true, true);
        document.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.apache.pdfbox.ocr.tesseract.TessBaseAPITest.java

License:Apache License

@Test
public void testBufferedImage() {
    try {//  w ww .j a  v a2s  .c  o  m
        PDDocument document = PDDocument.load(new File("src/test/resources/samples/pdf1.pdf"));
        PDFRenderer renderer = new PDFRenderer(document);
        BufferedImage image = renderer.renderImage(0, 3);

        TessBaseAPI api = new TessBaseAPI();
        boolean init = api.init("eng");
        api.setBufferedImage(image);
        String text = api.getUTF8Text();
        System.out.println(text);
        api.end();
        assertEquals(init, true);
        document.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.apache.pdfbox.ocr.tesseract.TessBaseAPITest.java

License:Apache License

@Test
public void testByteStream() {
    try {//from w  w  w .  j  a v  a2  s. c om
        PDDocument document = PDDocument.load(new File("src/test/resources/samples/pdf2.pdf"));
        PDFRenderer renderer = new PDFRenderer(document);
        BufferedImage image = renderer.renderImage(0, 3);
        int width = image.getWidth();
        int height = image.getHeight();
        int bpp = 3;
        int bpl = width * 3;

        TessBaseAPI api = new TessBaseAPI();
        byte data[] = api.getByteStream(image);
        boolean init = api.init("eng");
        api.setImage(data, width, height, bpp, bpl);
        String text = api.getUTF8Text();
        System.out.println(text);
        api.end();
        assertEquals(init, true);
        document.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.apache.pdfbox.ocr.tesseract.TessBaseAPITest.java

License:Apache License

@Test
public void testIterator() {
    try {/*from   w ww. j  ava 2 s  .  c om*/
        PDDocument document = PDDocument.load(new File("src/test/resources/samples/pdf3.pdf"));
        PDFRenderer renderer = new PDFRenderer(document);
        BufferedImage image = renderer.renderImage(0, 3);
        TessBaseAPI api = new TessBaseAPI();
        boolean init = api.init("eng");
        api.setBufferedImage(image);
        api.getResultIterator();
        if (api.isResultIteratorAvailable()) {
            do {
                System.out.println(api.getWord().trim());
                String result = api.getBoundingBox();
                System.out.println(result);
            } while (api.resultIteratorNext());
        }
        api.end();
        assertEquals(init, true);
        document.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}