Example usage for org.apache.pdfbox.pdmodel PDPage getAnnotations

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel PDPage getAnnotations.

Prototype

public List<PDAnnotation> getAnnotations() throws IOException 

Source Link

Document

This will return a list of the annotations for this page.

Usage

From source file:airviewer.AbstractDocumentCommandWrapper.java

License:Apache License

/**
 * This method finds and returns the "last" (upper most) annotation that
 * contains the specified x and y coordinates
 *
 * @param pageIndex Must be pageIndex >= 0 && pageIndex < getPageCount()
 * @param x/*from   ww w  .j a  v  a 2s.  c o m*/
 * An X coordinate in the PDF coordinate system
 * @param y A Y coordinate in the PDF coordinate system
 * @return The annotation (if any) that was found at {x,y} on the page with
 * pageIndex or null otherwise.
 */
protected PDAnnotation getLastAnnotationOnPageAtPoint(int pageIndex, float x, float y) {
    assert 0 <= pageIndex && pageIndex < getPageCount();

    try {
        PDPage page = wrappedDocument.getPage(pageIndex);
        List<PDAnnotation> annotations = page.getAnnotations();

        return getLastAnnotationAtPoint(annotations, x, y);
    } catch (IOException ex) {
        Logger.getLogger(AbstractDocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
    }

    return null;
}

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From source file:airviewer.AIRViewerModel.java

License:Apache License

/**
 * Some PDF editors (and hand written files) produce unnamed annotations,
 * but the Model relies on annotations having unique names. Call this method
 * to ensure that all annotations on the specified page in wrappedDocument
 * have unique names regardless of the presence or absence of pre-existing
 * names.//from  ww w . j  a  va  2  s .c om
 *
 * @param pageIndex pageIndex >= 0 && pageIndex < numPages()
 * @return A list of uniquely named annotations.
 */
private List<PDAnnotation> getAllSanitizedAnnotationsOnPage(int pageIndex) {
    assert Integer.toString(pageIndex) != null;
    List<PDAnnotation> result = null;

    try {
        PDPage page = wrappedDocument.getPage(pageIndex);
        result = page.getAnnotations();
        for (PDAnnotation a : result) {
            // Other programs neglect to provide a name, so provide one
            // to uniquely identify selectde annotations.
            a.setAnnotationName(new UID().toString());

        }
    } catch (IOException ex) {
        Logger.getLogger(AbstractDocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
    }

    return result;
}

---

From source file:airviewer.BoxAnnotationMaker.java

License:Apache License

/**
 *
 * @param document/*  w ww .ja  va 2  s .co  m*/
 * @param arguments(lowerLeftX, lowerLeftY, width, height)
 * @return
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 5;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));
        float width = parseFloat(arguments.get(3));
        float height = parseFloat(arguments.get(4));
        String contents = "";
        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        float fontSize = 16; // Or whatever font size you want.
        //float textWidth = font.getStringWidth(contents) * fontSize / 1000.0f;
        //float textHeight = 32;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + height);

            PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
            aSquare.setAnnotationName(new UID().toString());
            aSquare.setContents(contents);
            aSquare.setColor(red); // Outline in red, not setting a fill
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aSquare.setInteriorColor(fillColor);
            aSquare.setBorderStyle(borderThick);
            aSquare.setRectangle(position);
            result = new ArrayList<>(page.getAnnotations()); // copy
            page.getAnnotations().add(aSquare);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aSquare.getAppearance()) {
                aSquare.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + height + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.addRect(lowerLeftX, lowerLeftY, width, height);
                    appearanceContent.setLineWidth(borderThick.getWidth());
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.setStrokingColor(red);
                    appearanceContent.fillAndStroke();
                    appearanceContent.beginText();

                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX, lowerLeftY + height * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.setNonStrokingColor(red);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aSquare.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }
            //System.out.println(page.getAnnotations().toString());

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("\tNon number encountered where floating point number expected.");
        result = null;
    }

    return result;
}

---

From source file:airviewer.EllipseAnnotationMaker.java

License:Apache License

/**
 * //from  w  ww . jav  a  2  s  . co m
 * @param document
 * @param arguments(pageNumber, lowerLeftX, lowerLeftY, width, height, contents)
 * @return 
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 6;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));
        float width = parseFloat(arguments.get(3));
        float height = parseFloat(arguments.get(4));
        String contents = arguments.get(5);

        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        final float fontSize = 16.0f; // Or whatever font size you want.
        //final float lineSpacing = 4.0f;
        width = max(width, font.getStringWidth(contents) * fontSize / 1000.0f);
        //final float textHeight = fontSize + lineSpacing;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDColor black = new PDColor(new float[] { 0, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + height);

            PDAnnotationSquareCircle aCircle = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_CIRCLE);
            aCircle.setAnnotationName(new UID().toString());
            aCircle.setContents(contents);
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aCircle.setInteriorColor(fillColor);
            aCircle.setColor(red);
            aCircle.setBorderStyle(borderThick);
            aCircle.setRectangle(position);

            result = new ArrayList<>(page.getAnnotations()); // Copy
            page.getAnnotations().add(aCircle);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aCircle.getAppearance()) {
                aCircle.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + height + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.moveTo(lowerLeftX, lowerLeftY + height * 0.5f);
                    appearanceContent.curveTo(lowerLeftX, lowerLeftY + height * 0.75f,
                            lowerLeftX + width * 0.25f, lowerLeftY + height, lowerLeftX + width * 0.5f,
                            lowerLeftY + height);
                    appearanceContent.curveTo(lowerLeftX + width * 0.75f, lowerLeftY + height,
                            lowerLeftX + width, lowerLeftY + height * 0.75f, lowerLeftX + width,
                            lowerLeftY + height * 0.5f);
                    appearanceContent.curveTo(lowerLeftX + width, lowerLeftY + height * 0.25f,
                            lowerLeftX + width * 0.75f, lowerLeftY, lowerLeftX + width * 0.5f, lowerLeftY);
                    appearanceContent.curveTo(lowerLeftX + width * 0.25f, lowerLeftY, lowerLeftX,
                            lowerLeftY + height * 0.25f, lowerLeftX, lowerLeftY + height * 0.5f);
                    appearanceContent.setLineWidth(borderThick.getWidth());
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.setStrokingColor(red);
                    appearanceContent.fillAndStroke();
                    appearanceContent.moveTo(0, 0);

                    appearanceContent.beginText();
                    appearanceContent.setNonStrokingColor(black);
                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX + borderThick.getWidth(),
                            lowerLeftY + height * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aCircle.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("Non number encountered where floating point number expected.");
        result = null;
    } catch (IOException ex) {
        Logger.getLogger(EllipseAnnotationMaker.class.getName()).log(Level.SEVERE, null, ex);
        result = null;
    }

    return result;
}

---

From source file:airviewer.TextAnnotationMaker.java

License:Apache License

/**
 * //from   w w w .  j  av a  2s  .  co m
 * @param document
 * @param arguments(pageNumber, lowerLeftX, lowerLeftY);
        
    String contents 
 * @return 
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 4;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));

        String contents = arguments.get(3);
        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        final float fontSize = 16.0f; // Or whatever font size you want.
        final float lineSpacing = 4.0f;
        float width = font.getStringWidth(contents) * fontSize / 1000.0f; // font.getStringWidth(contents) returns thousanths of PS point
        final float textHeight = fontSize + lineSpacing;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + textHeight);

            PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
            aSquare.setAnnotationName(new UID().toString());
            aSquare.setContents(contents);
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aSquare.setInteriorColor(fillColor);
            aSquare.setRectangle(position);
            result = new ArrayList<>(page.getAnnotations()); // copy
            page.getAnnotations().add(aSquare);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aSquare.getAppearance()) {
                aSquare.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + textHeight + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.addRect(lowerLeftX, lowerLeftY, width, textHeight);
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.fill();
                    appearanceContent.beginText();

                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX,
                            lowerLeftY + textHeight * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.setNonStrokingColor(red);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aSquare.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }
            //System.out.println(page.getAnnotations().toString());

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("Non number encountered where floating point number expected.");
        result = null;
    } catch (IOException ex) {
        Logger.getLogger(TextAnnotationMaker.class.getName()).log(Level.SEVERE, null, ex);
        result = null;
    }

    return result;
}

---

From source file:at.gv.egiz.pdfas.lib.impl.stamping.pdfbox.PDFAsVisualSignatureBuilder.java

License:EUPL

public void createSignature(PDSignatureField pdSignatureField, PDPage page, String signatureName)
        throws IOException {
    PDSignature pdSignature = new PDSignature();
    pdSignatureField.setSignature(pdSignature);
    pdSignatureField.getWidget().setPage(page);
    page.getAnnotations().add(pdSignatureField.getWidget());
    pdSignature.setName(signatureName);//from ww  w.java 2s .c  o  m
    pdSignature.setByteRange(new int[] { 0, 0, 0, 0 });
    pdSignature.setContents(new byte[4096]);
    getStructure().setPdSignature(pdSignature);
    logger.debug("PDSignature has been created");
}

---

From source file:at.gv.egiz.pdfas.lib.impl.stamping.pdfbox2.PDFAsVisualSignatureBuilder.java

License:EUPL

public void createSignature(PDSignatureField pdSignatureField, PDPage page, String signatureName)
        throws IOException {
    PDSignature pdSignature = new PDSignature();
    pdSignatureField.setSignature(pdSignature);
    pdSignatureField.getWidget().setPage(page);
    page.getAnnotations().add(pdSignatureField.getWidget());
    pdSignature.setName(signatureName);//from w w  w.  j a  v  a2s.  c  o  m
    pdSignature.setByteRange(new int[] { 0, 0, 0, 0 });
    pdSignature.setContents(new byte[4096]);
    getStructure().setPdSignature(pdSignature);
    logger.debug("PDSignatur has been created");
}

---

From source file:at.knowcenter.wag.egov.egiz.pdf.PDFUtilities.java

License:EUPL

public static float calculatePageLength(PDPage page, float effectivePageHeight, boolean legacy32,
        boolean legacy40) throws PDFIOException {
    try {/*from w w w .  j  a  v  a 2 s. co  m*/
        PDFPage my_page = new PDFPage(effectivePageHeight, legacy32, legacy40);
        PDResources resources = page.findResources();
        if (page.getContents() != null) {
            COSStream stream = page.getContents().getStream();
            // List<PDThreadBead> articles = page.getThreadBeads();
            // my_page.processMyPage(page);
            my_page.processStream(page, resources, stream);
        }
        if (!legacy32) {
            if (page.getAnnotations() != null) {
                Iterator<PDAnnotation> annotationsIt = page.getAnnotations().iterator();

                while (annotationsIt.hasNext()) {
                    PDAnnotation annotation = annotationsIt.next();
                    if (!annotation.isInvisible()) {
                        my_page.processAnnotation(annotation);
                    }
                }
            }
        }
        return my_page.getMaxPageLength();
    } catch (IOException e) {
        throw new PDFIOException("error.pdf.stamp.11", e);
    }
}

---

From source file:chiliad.parser.pdf.extractor.vectorgraphics.VectorGraphicsExtractor.java

License:Apache License

@Override
public MPage extract(PDPage pageToExtract, MPage pageContent) {
    try {/* w ww  . ja  v  a  2  s . c om*/
        if (pageToExtract.getContents() == null) {
            throw new ExtractorException("Contents is null.");
        }

        pageSize = pageToExtract.findMediaBox().createDimension();
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        // initialize the used stroke with CAP_BUTT instead of CAP_SQUARE
        graphics.setStroke(new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
        // Only if there is some content, we have to process it.
        // Otherwise we are done here and we will produce an empty page

        PDResources resources = pageToExtract.findResources();
        processStream(pageToExtract, resources, pageToExtract.getContents().getStream());

        List<PDAnnotation> annotations = pageToExtract.getAnnotations();
        for (PDAnnotation annotation : annotations) {
            PDAnnotation annot = (PDAnnotation) annotation;
            PDRectangle rect = annot.getRectangle();
            String appearanceName = annot.getAppearanceStream();
            PDAppearanceDictionary appearDictionary = annot.getAppearance();
            if (appearDictionary != null) {
                if (appearanceName == null) {
                    appearanceName = "default";
                }
                Map<String, PDAppearanceStream> appearanceMap = appearDictionary.getNormalAppearance();
                if (appearanceMap != null) {
                    PDAppearanceStream appearance = (PDAppearanceStream) appearanceMap.get(appearanceName);
                    if (appearance != null) {
                        Point2D point = new Point2D.Float(rect.getLowerLeftX(), rect.getLowerLeftY());
                        Matrix matrix = appearance.getMatrix();
                        if (matrix != null) {
                            // transform the rectangle using the given matrix
                            AffineTransform at = matrix.createAffineTransform();
                            at.transform(point, point);
                        }
                        graphics.translate((int) point.getX(), -(int) point.getY());
                        processSubStream(pageToExtract, appearance.getResources(), appearance.getStream());
                        graphics.translate(-(int) point.getX(), (int) point.getY());
                    }
                }
            }
        }
        return handleResult(graphics, pageContent);
    } catch (IOException ex) {
        throw new ExtractorException("Failed to extract vector graphics.", ex);
    }
}

---

From source file:com.infoimage.infotrac.pdfbox.PDFTextAnnotator.java

License:Apache License

/**
 * Highlights a pattern within the PDF with the default color
 * Returns the list of added annotations for further modification
 * Note: it will process every page, but cannot process patterns that span multiple pages
 * Note: it will not work for top-bottom text (such as Chinese)
 *
 * @param pdf/*from w w w  .j  a va  2  s.  c om*/
 *          PDDocument
 * @param pattern
 *          Pattern (regex)
 * @throws Exception
 */
public List<PDAnnotationTextMarkup> highlight(PDDocument pdf, Pattern pattern) throws Exception {
    if (textCache == null) {
        throw new Exception("TextCache was not initilized, please run initialize on the document first");
    }

    List<PDPage> pages = pdf.getDocumentCatalog().getAllPages();

    ArrayList<PDAnnotationTextMarkup> highligts = new ArrayList<PDAnnotationTextMarkup>();

    for (int pageIndex = getStartPage() - 1; pageIndex < getEndPage()
            && pageIndex < pages.size(); pageIndex++) {
        PDPage page = pages.get(pageIndex);
        List<PDAnnotation> annotations = page.getAnnotations();

        List<Match> matches = this.textCache.getTextPositions(pageIndex + 1, pattern);

        for (Match match : matches) {
            List<PDRectangle> textBoundingBoxes = getTextBoundingBoxes(match.positions);

            PDAnnotationTextMarkup markup = new PDAnnotationTextMarkup(
                    PDAnnotationTextMarkup.SUB_TYPE_HIGHLIGHT);
            if (textBoundingBoxes.size() > 0) {
                markup.setRectangle(textBoundingBoxes.get(0));

                float[] quads = new float[8 * textBoundingBoxes.size()];
                int cursor = 0;
                for (PDRectangle rect : textBoundingBoxes) {
                    float[] tmp = computeQuads(rect);
                    for (int i = 0; i < tmp.length; i++) {
                        quads[cursor + i] = tmp[i];
                    }
                    cursor = cursor + 8;
                }

                markup.setQuadPoints(quads);

                markup.setConstantOpacity((float) 0.8);
                markup.setColour(getDefaultColor());
                markup.setPrinted(true);
                markup.setContents(match.str);

                annotations.add(markup);
                highligts.add(markup);
            }
        }
    }
    return highligts;
}

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