Example usage for com.lowagie.text.pdf PdfWriter setLinearPageMode

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfWriter setLinearPageMode.

Prototype

public void setLinearPageMode() 

Source Link

Document

Use this method to make sure the page tree has a linear structure (every leave is attached directly to the root).

Usage

From source file:de.intranda.test_ics.ImageHelper.java

License:Apache License

@SuppressWarnings("unused")
private void addPage(File imageFile, PdfWriter pdfWriter, Document pdfDocument, float shrinkRatio,
        float rotationDegree) throws DocumentException, IOException {

    float pointsPerInch = 200.0f;
    Image pageImage = null;/*w  w w.  j a v  a2  s. co  m*/
    float pageImageHeight = 0, pageImageWidth = 0;
    boolean lowMemory = (shrinkRatio == 1 ? false : true);

    URL inputImage = imageFile.toURI().toURL();

    pdfWriter.setFullCompression();
    pdfWriter.setStrictImageSequence(true);
    pdfWriter.setLinearPageMode();

    LOGGER.debug("Out of memory on loading image for pdf generation");
    // ByteArrayOutputStream stream = new ByteArrayOutputStream();
    BufferedImage bitmap = ImageIO.read(imageFile);
    // LOGGER.debug( "Size of temporary image bitmap: Width = " + bitmap.getWidth() + "; Height = " + bitmap.getHeight());
    LOGGER.debug("Reading file " + imageFile.getAbsolutePath());
    pageImage = Image.getInstance(bitmap, null, false);
    bitmap.flush();
    // stream.close();

    pageImage.setRotationDegrees(-rotationDegree);
    LOGGER.debug("Image dimensions: Width = " + pageImage.getWidth() + "; Height = " + pageImage.getHeight());
    pageImageHeight = pageImage.getHeight();
    pageImageWidth = pageImage.getWidth();
    pageImage.setAbsolutePosition(0, 0);
    // Rectangle pageRect = new Rectangle(pageImageWidth/shrinkRatio, pageImageHeight/shrinkRatio);
    com.lowagie.text.Rectangle pageRect = new com.lowagie.text.Rectangle(pageImageWidth, pageImageHeight);
    LOGGER.debug("Creating rectangle: Width = " + pageRect.getWidth() + "; Height = " + pageRect.getHeight());
    pdfDocument.setPageSize(pageRect);

    if (pdfDocument.isOpen()) {
        pdfDocument.newPage();
        pdfWriter.getDirectContent().addImage(pageImage);

    } else {
        pdfDocument.open();
        pdfWriter.getDirectContent().addImage(pageImage);
    }
    pdfWriter.flush();
    System.gc();
}

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