Example usage for java.awt.print PageFormat getImageableHeight

Introduction

In this page you can find the example usage for java.awt.print PageFormat getImageableHeight.

Prototype

public double getImageableHeight()

Source Link

Document

Return the height, in 1/72nds of an inch, of the imageable area of the page.

Usage

From source file:org.rdv.viz.image.HighResImageViz.java

/**
 * Print the displayed image. If no image is being displayed, this will method
 * will do nothing./*from  w  ww .j  av a  2  s .  c  om*/
 */
private void printImage() {
    // get the displayed image
    final Image displayedImage = getDisplayedImage();
    if (displayedImage == null) {
        return;
    }

    // setup a print job
    PrinterJob printJob = PrinterJob.getPrinterJob();

    // set the renderer for the image
    printJob.setPrintable(new Printable() {
        public int print(Graphics g, PageFormat pageFormat, int pageIndex) throws PrinterException {
            //we only have one page to print
            if (pageIndex != 0) {
                return Printable.NO_SUCH_PAGE;
            }

            Graphics2D g2d = (Graphics2D) g;

            // move to corner of imageable page
            g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());

            // get page dimensions
            double pageWidth = pageFormat.getImageableWidth();
            double pageHeight = pageFormat.getImageableHeight();

            // get image dimensions
            int imageWidth = displayedImage.getWidth(null);
            int imageHeight = displayedImage.getHeight(null);

            // get scale factor for image
            double widthScale = pageWidth / imageWidth;
            double heightScale = pageHeight / imageHeight;
            double scale = Math.min(widthScale, heightScale);

            // draw image with width and height scaled to page
            int scaledWidth = (int) (scale * imageWidth);
            int scaledHeight = (int) (scale * imageHeight);
            g2d.drawImage(displayedImage, 0, 0, scaledWidth, scaledHeight, null);

            return Printable.PAGE_EXISTS;
        }

    });

    // set the job name to the channel name (plus jpg extension)
    // this is used as a hint for a file name when printing to file
    String channelName = (String) seriesList_.getChannels().iterator().next();
    String jobName = channelName.replace("/", " - ");
    if (!jobName.endsWith(".jpg")) {
        jobName += ".jpg";
    }
    printJob.setJobName(jobName);

    // show the print dialog and print if ok clicked
    if (printJob.printDialog()) {
        try {
            printJob.print();
        } catch (PrinterException pe) {
            JOptionPane.showMessageDialog(null, "Failed to print image.", "Print Image Error",
                    JOptionPane.ERROR_MESSAGE);
            pe.printStackTrace();
        }
    }
}

From source file:org.rdv.viz.image.ImageViz.java

/**
 * Print the displayed image. If no image is being displayed, this will method
 * will do nothing.//from w  w w . ja v a 2 s  .com
 */
private void printImage() {
    // get the displayed image
    final Image displayedImage = getDisplayedImage();
    if (displayedImage == null) {
        return;
    }

    // setup a print job
    PrinterJob printJob = PrinterJob.getPrinterJob();

    // set the renderer for the image
    printJob.setPrintable(new Printable() {
        public int print(Graphics g, PageFormat pageFormat, int pageIndex) throws PrinterException {
            //we only have one page to print
            if (pageIndex != 0) {
                return Printable.NO_SUCH_PAGE;
            }

            Graphics2D g2d = (Graphics2D) g;

            // move to corner of imageable page
            g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());

            // get page dimensions
            double pageWidth = pageFormat.getImageableWidth();
            double pageHeight = pageFormat.getImageableHeight();

            // get image dimensions
            int imageWidth = displayedImage.getWidth(null);
            int imageHeight = displayedImage.getHeight(null);

            // get scale factor for image
            double widthScale = pageWidth / imageWidth;
            double heightScale = pageHeight / imageHeight;
            double scale = Math.min(widthScale, heightScale);

            // draw image with width and height scaled to page
            int scaledWidth = (int) (scale * imageWidth);
            int scaledHeight = (int) (scale * imageHeight);
            g2d.drawImage(displayedImage, 0, 0, scaledWidth, scaledHeight, null);

            return Printable.PAGE_EXISTS;
        }

    });

    // set the job name to the channel name (plus jpg extension)
    // this is used as a hint for a file name when printing to file
    String channelName = (String) channels.iterator().next();
    String jobName = channelName.replace("/", " - ");
    if (!jobName.endsWith(".jpg")) {
        jobName += ".jpg";
    }
    printJob.setJobName(jobName);

    // show the print dialog and print if ok clicked
    if (printJob.printDialog()) {
        try {
            printJob.print();
        } catch (PrinterException pe) {
            JOptionPane.showMessageDialog(null, "Failed to print image.", "Print Image Error",
                    JOptionPane.ERROR_MESSAGE);
            pe.printStackTrace();
        }
    }
}