Example usage for org.apache.pdfbox.pdmodel.interactive.annotation PDAnnotationLine LE_OPEN_ARROW

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel.interactive.annotation PDAnnotationLine LE_OPEN_ARROW.

Prototype

String LE_OPEN_ARROW

To view the source code for org.apache.pdfbox.pdmodel.interactive.annotation PDAnnotationLine LE_OPEN_ARROW.

Click Source Link

Document

Constant for a open arrow line ending.

Usage

From source file:org.data2semantics.annotate.D2S_SampleAnnotation.java

License:Apache License

/**
 * This will create a doucument showing various annotations.
 * /* www .java  2 s.  c o  m*/
 * @param args
 *            The command line arguments.
 * 
 * @throws Exception
 *             If there is an error parsing the document.
 */
public static void main(String[] args) throws Exception {

    PDDocument document = new PDDocument();

    try {
        PDPage page = new PDPage();
        document.addPage(page);
        List annotations = page.getAnnotations();

        // Setup some basic reusable objects/constants
        // Annotations themselves can only be used once!

        float inch = 72;
        PDGamma colourRed = new PDGamma();
        colourRed.setR(1);
        PDGamma colourBlue = new PDGamma();
        colourBlue.setB(1);
        PDGamma colourBlack = new PDGamma();

        PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
        borderThick.setWidth(inch / 12); // 12th inch
        PDBorderStyleDictionary borderThin = new PDBorderStyleDictionary();
        borderThin.setWidth(inch / 72); // 1 point
        PDBorderStyleDictionary borderULine = new PDBorderStyleDictionary();
        borderULine.setStyle(PDBorderStyleDictionary.STYLE_UNDERLINE);
        borderULine.setWidth(inch / 72); // 1 point

        float pw = page.getMediaBox().getUpperRightX();
        float ph = page.getMediaBox().getUpperRightY();

        // First add some text, two lines we'll add some annotations to this
        // later

        PDFont font = PDType1Font.HELVETICA_BOLD;

        PDPageContentStream contentStream = new PDPageContentStream(document, page);
        contentStream.beginText();
        contentStream.setFont(font, 18);
        contentStream.moveTextPositionByAmount(inch, ph - inch - 18);
        contentStream.drawString("PDFBox");
        contentStream.moveTextPositionByAmount(0, -(inch / 2));
        contentStream.drawString("Click Here");
        contentStream.endText();

        contentStream.close();

        // Now add the markup annotation, a highlight to PDFBox text
        PDAnnotationTextMarkup txtMark = new PDAnnotationTextMarkup(PDAnnotationTextMarkup.SUB_TYPE_HIGHLIGHT);
        txtMark.setColour(colourBlue);
        txtMark.setConstantOpacity((float) 0.2); // Make the highlight 20%
        // transparent

        // Set the rectangle containing the markup

        float textWidth = (font.getStringWidth("PDFBox") / 1000) * 18;
        PDRectangle position = new PDRectangle();
        position.setLowerLeftX(inch);
        position.setLowerLeftY(ph - inch - 18);
        position.setUpperRightX(72 + textWidth);
        position.setUpperRightY(ph - inch);
        txtMark.setRectangle(position);

        // work out the points forming the four corners of the annotations
        // set out in anti clockwise form (Completely wraps the text)
        // OK, the below doesn't match that description.
        // It's what acrobat 7 does and displays properly!
        float[] quads = new float[8];

        quads[0] = position.getLowerLeftX(); // x1
        quads[1] = position.getUpperRightY() - 2; // y1
        quads[2] = position.getUpperRightX(); // x2
        quads[3] = quads[1]; // y2
        quads[4] = quads[0]; // x3
        quads[5] = position.getLowerLeftY() - 2; // y3
        quads[6] = quads[2]; // x4
        quads[7] = quads[5]; // y5

        txtMark.setQuadPoints(quads);
        txtMark.setContents("Highlighted since it's important");

        annotations.add(txtMark);

        // Now add the link annotation, so the clickme works
        PDAnnotationLink txtLink = new PDAnnotationLink();
        txtLink.setBorderStyle(borderULine);

        // Set the rectangle containing the link

        textWidth = (font.getStringWidth("Click Here") / 1000) * 18;
        position = new PDRectangle();
        position.setLowerLeftX(inch);
        position.setLowerLeftY(ph - (float) (1.5 * inch) - 20); // down a
        // couple of
        // points
        position.setUpperRightX(72 + textWidth);
        position.setUpperRightY(ph - (float) (1.5 * inch));
        txtLink.setRectangle(position);

        // add an action
        PDActionURI action = new PDActionURI();
        action.setURI("http://www.pdfbox.org");
        txtLink.setAction(action);

        annotations.add(txtLink);

        // Now draw a few more annotations

        PDAnnotationSquareCircle aCircle = new PDAnnotationSquareCircle(
                PDAnnotationSquareCircle.SUB_TYPE_CIRCLE);
        aCircle.setContents("Circle Annotation");
        aCircle.setInteriorColour(colourRed); // Fill in circle in red
        aCircle.setColour(colourBlue); // The border itself will be blue
        aCircle.setBorderStyle(borderThin);

        // Place the annotation on the page, we'll make this 1" round
        // 3" down, 1" in on the page

        position = new PDRectangle();
        position.setLowerLeftX(inch);
        position.setLowerLeftY(ph - (3 * inch) - inch); // 1" height, 3"
        // down
        position.setUpperRightX(2 * inch); // 1" in, 1" width
        position.setUpperRightY(ph - (3 * inch)); // 3" down
        aCircle.setRectangle(position);

        // add to the annotations on the page
        annotations.add(aCircle);

        // Now a square annotation

        PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
        aSquare.setContents("Square Annotation");
        aSquare.setColour(colourRed); // Outline in red, not setting a fill
        aSquare.setBorderStyle(borderThick);

        // Place the annotation on the page, we'll make this 1" (72points)
        // square
        // 3.5" down, 1" in from the right on the page

        position = new PDRectangle(); // Reuse the variable, but note it's a
        // new object!
        position.setLowerLeftX(pw - (2 * inch)); // 1" in from right, 1"
        // wide
        position.setLowerLeftY(ph - (float) (3.5 * inch) - inch); // 1" height, 3.5"
        // down
        position.setUpperRightX(pw - inch); // 1" in from right
        position.setUpperRightY(ph - (float) (3.5 * inch)); // 3.5" down
        aSquare.setRectangle(position);

        // add to the annotations on the page
        annotations.add(aSquare);

        // Now we want to draw a line between the two, one end with an open
        // arrow

        PDAnnotationLine aLine = new PDAnnotationLine();

        aLine.setEndPointEndingStyle(PDAnnotationLine.LE_OPEN_ARROW);
        aLine.setContents("Circle->Square");
        aLine.setCaption(true); // Make the contents a caption on the line

        // Set the rectangle containing the line

        position = new PDRectangle(); // Reuse the variable, but note it's a
        // new object!
        position.setLowerLeftX(2 * inch); // 1" in + width of circle
        position.setLowerLeftY(ph - (float) (3.5 * inch) - inch); // 1" height, 3.5"
        // down
        position.setUpperRightX(pw - inch - inch); // 1" in from right, and
        // width of square
        position.setUpperRightY(ph - (3 * inch)); // 3" down (top of circle)
        aLine.setRectangle(position);

        // Now set the line position itself
        float[] linepos = new float[4];
        linepos[0] = 2 * inch; // x1 = rhs of circle
        linepos[1] = ph - (float) (3.5 * inch); // y1 halfway down circle
        linepos[2] = pw - (2 * inch); // x2 = lhs of square
        linepos[3] = ph - (4 * inch); // y2 halfway down square
        aLine.setLine(linepos);

        aLine.setBorderStyle(borderThick);
        aLine.setColour(colourBlack);

        // add to the annotations on the page
        annotations.add(aLine);

        // Finally all done

        document.save("testAnnotation.pdf");
    } finally {
        document.close();
    }
}

---