Java Code Examples for com.itextpdf.text.Rectangle#setTop()

Rectangle enhanceBy(Rectangle source, Rectangle addition)
{
    Rectangle result = new Rectangle(source);
    if (addition.getLeft() < result.getLeft())
        result.setLeft(addition.getLeft());
    if (addition.getRight() > result.getRight())
        result.setRight(addition.getRight());
    if (addition.getBottom() < result.getBottom())
        result.setBottom(addition.getBottom());
    if (addition.getTop() > result.getTop())
        result.setTop(addition.getTop());
    return result;
}
 

private static Rectangle calculateScaledRectangle(List<Rectangle> boxes, Float[] ratios, int rotation) {
    if (ratios == null || boxes.size() == 0)
        return null;
    Rectangle smallestBox = null;
    // find smallest box
    float smallestSquare = Float.MAX_VALUE;
    for (Rectangle box : boxes) {
        if (box != null) {
            if (smallestBox == null) {
                smallestBox = box;
            }
            if (smallestSquare > box.getWidth() * box.getHeight()) {
                // set new smallest box
                smallestSquare = box.getWidth() * box.getHeight();
                smallestBox = box;
            }
        }
    }
    if (smallestBox == null)
        return null; // no useable box was found

    // rotate the ratios according to the rotation of the page
    float[] rotRatios = rotateRatios(ratios, rotation);

    // use smallest box as basis for calculation
    Rectangle scaledBox = new Rectangle(smallestBox);

    scaledBox.setLeft(smallestBox.getLeft() + (smallestBox.getWidth() * rotRatios[0]));
    scaledBox.setBottom(smallestBox.getBottom() + (smallestBox.getHeight() * rotRatios[1]));
    scaledBox.setRight(smallestBox.getLeft() + (smallestBox.getWidth() * (1 - rotRatios[2])));
    scaledBox.setTop(smallestBox.getBottom() + (smallestBox.getHeight() * (1 - rotRatios[3])));

    return scaledBox;
}
 

public static Rectangle calculateScaledRectangle(final List<Rectangle> boxes, final Float[] ratios, final int rotation) {
    if (ratios == null || boxes.size() == 0)
        return null;
    Rectangle smallestBox = null;
    // find smallest box
    float smallestSquare = Float.MAX_VALUE;
    for (Rectangle box : boxes) {
        if (box != null) {
            if (smallestBox == null) {
                smallestBox = box;
            }
            if (smallestSquare > box.getWidth() * box.getHeight()) {
                // set new smallest box
                smallestSquare = box.getWidth() * box.getHeight();
                smallestBox = box;
            }
        }
    }
    if (smallestBox == null)
        return null; // no useable box was found

    // rotate the ratios according to the rotation of the page
    float[] rotRatios = rotateRatios(ratios, rotation);

    // use smallest box as basis for calculation
    Rectangle scaledBox = new Rectangle(smallestBox);

    scaledBox.setLeft(smallestBox.getLeft() + (smallestBox.getWidth() * rotRatios[0]));
    scaledBox.setBottom(smallestBox.getBottom() + (smallestBox.getHeight() * rotRatios[1]));
    scaledBox.setRight(smallestBox.getLeft() + (smallestBox.getWidth() * (1 - rotRatios[2])));
    scaledBox.setTop(smallestBox.getBottom() + (smallestBox.getHeight() * (1 - rotRatios[3])));

    return scaledBox;
}
 

/**
 * <a href="http://stackoverflow.com/questions/32448118/issue-in-removing-header-and-footer-in-pdf-using-itext-pdf">
 * Issue in Removing Header and Footer in PDF using iText PDF
 * </a>
 * <br/>
 * <a href="https://www.dropbox.com/s/xznwx4ogemsgd42/spec.pdf?dl=0">
 * spec.pdf
 * </a>
 * <p>
 * removes header and footer based on the configuration
 * </p>
 * <p>
 * This is the original code by the OP whith minor changes to render it runnable
 * in this testarea project.
 * </p>
 * <p>
 * Issues observed on landscape pages of the test file can be prevented by using
 * <code>stamper.setRotateContents(false)</code>, see below.
 * </p>
 */
public static void cleanUpContent(PdfReader reader,String targetPDFFile, float upperY, float lowerY, boolean highLightColor) throws Exception
{
    OutputStream outputStream = new FileOutputStream(targetPDFFile);
    PdfStamper stamper = new PdfStamper(reader, outputStream);
    //stamper.setRotateContents(false);
    List<PdfCleanUpLocation> cleanUpLocations = new ArrayList<PdfCleanUpLocation>();

    for (int i = 1; i <= reader.getNumberOfPages(); i++)
    {
        Rectangle pageRect = reader.getCropBox(i);  
        Rectangle headerRect= new Rectangle(pageRect);
        headerRect.setBottom(headerRect.getTop()-upperY);               
        Rectangle footerRect= new Rectangle(pageRect);
        footerRect.setTop(footerRect.getBottom()+lowerY);   

        if(highLightColor)
        {
            cleanUpLocations.add(new PdfCleanUpLocation(i, headerRect,BaseColor.GREEN));
            cleanUpLocations.add(new PdfCleanUpLocation(i, footerRect,BaseColor.GREEN));
        }
        else
        {
            cleanUpLocations.add(new PdfCleanUpLocation(i, headerRect));
            cleanUpLocations.add(new PdfCleanUpLocation(i, footerRect));
        }
    }   
    PdfCleanUpProcessor cleaner = new PdfCleanUpProcessor(cleanUpLocations, stamper);
    try
    {
        cleaner.cleanUp();
    }
    catch(Exception e)
    {
         e.printStackTrace();
    }

    stamper.close();
    reader.close();
    outputStream.flush();
    outputStream.close();
}