Example usage for java.awt.print PageFormat getImageableX

Introduction

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

Prototype

public double getImageableX() 

Source Link

Document

Returns the x coordinate of the upper left point of the imageable area of the Paper object associated with this PageFormat .

Usage

From source file:org.forester.archaeopteryx.TreePanel.java

final public int print(final Graphics g, final PageFormat page_format, final int page_index)
        throws PrinterException {
    if (page_index > 0) {
        return (NO_SUCH_PAGE);
    } else {/*ww  w  . j ava  2s .c  o  m*/
        final Graphics2D g2d = (Graphics2D) g;
        g2d.translate(page_format.getImageableX(), page_format.getImageableY());
        // Turn off double buffering !?
        paintPhylogeny(g2d, true, false, 0, 0, 0, 0);
        // Turn double buffering back on !?
        return (PAGE_EXISTS);
    }
}

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From source file:lu.fisch.unimozer.Diagram.java

private void printHeaderFooter(Graphics g, PageFormat pageFormat, int page, String className) {
    int origPage = page + 1;

    // Add header
    g.setColor(Color.BLACK);/* w w  w  . j  a  va  2 s.c om*/
    int xOffset = (int) pageFormat.getImageableX();
    int topOffset = (int) pageFormat.getImageableY() + 20;
    int bottom = (int) (pageFormat.getImageableY() + pageFormat.getImageableHeight());
    // header line
    g.drawLine(xOffset, topOffset - 8, xOffset + (int) pageFormat.getImageableWidth(), topOffset - 8);
    // footer line
    g.drawLine(xOffset, bottom - 11, xOffset + (int) pageFormat.getImageableWidth(), bottom - 11);
    g.setFont(new Font(Font.SANS_SERIF, Font.ITALIC, 10));

    Graphics2D gg = (Graphics2D) g;
    String pageString = "Page " + origPage;
    int tw = (int) gg.getFont().getStringBounds(pageString, gg.getFontRenderContext()).getWidth();
    // footer text
    g.drawString(pageString, xOffset + (int) pageFormat.getImageableWidth() - tw, bottom - 2);

    //System.err.println("Printing: "+directoryName);
    if (directoryName != null) {
        g.setFont(new Font(g.getFont().getFontName(), Font.ITALIC, 10));
        String filename = directoryName;
        if (!className.equals(""))
            filename += System.getProperty("file.separator") + className + ".java";
        // header text
        g.drawString(filename, xOffset, bottom - 2);
        File f = new File(filename);
        //System.err.println("Printing: "+filename);
        if (f.exists()) {
            DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
            java.util.Date date = new java.util.Date();
            date.setTime(f.lastModified());
            String myDate = dateFormat.format(date);
            int w = (int) gg.getFont().getStringBounds(myDate, gg.getFontRenderContext()).getWidth();
            // header text
            g.drawString("File last modified on " + myDate, xOffset, topOffset - 10);
        }
    }
}

---

From source file:lu.fisch.unimozer.Diagram.java

@Override
public int print(Graphics g, PageFormat pageFormat, int page) throws PrinterException {
    /*/*from  ww w.j a  v a 2 s  . c om*/
        // clone paper
        Paper originalPaper = pageFormat.getPaper();
        Paper paper = new Paper();
        // resize it
        paper.setSize(originalPaper.getWidth(), originalPaper.getHeight());
        paper.setImageableArea(
                originalPaper.getImageableX(),
                originalPaper.getImageableY()+30,
                originalPaper.getImageableWidth(),
                originalPaper.getImageableHeight()-60);
        // apply it
        pageFormat.setPaper(paper);
    */
    /*                Paper paper = new Paper();
        paper.setSize(pageFormat.getWidth(),pageFormat.getHeight());
                
        double paddingLeftRight = pageFormat.getImageableX();
        double paddingTopBottom = pageFormat.getImageableY()+30;
        if (pageFormat.getOrientation()==PageFormat.LANDSCAPE)
        {
            paddingLeftRight = 60;
            paddingTopBottom = 60;
        }
        paper.setImageableArea(paddingLeftRight,
                               paddingTopBottom,
                               pageFormat.getWidth()-2*paddingLeftRight,
                               pageFormat.getHeight()-2*paddingTopBottom);
        pageFormat.setPaper(paper);*/

    if (page == 0) {
        pageList.clear();
        if (printOptions.printCode() == true) {
            /*Set<String> set = classes.keySet();
            Iterator<String> itr = set.iterator();
            while (itr.hasNext())
            {
              String str = itr.next();*/

            /* let's try this one ... */
            for (Entry<String, MyClass> entry : classes.entrySet()) {
                // get the actual class ...
                String str = entry.getKey();

                MyClass thisClass = classes.get(str);
                CodeEditor edit = new CodeEditor();
                edit.setFont(new Font(edit.getFont().getName(), Font.PLAIN, printOptions.getFontSize()));

                String code = "";
                // get code, depending on JavaDoc filter
                if (printOptions.printJavaDoc())
                    code = thisClass.getContent().getText();
                else
                    code = thisClass.getJavaCodeCommentless();

                // filter double lines
                if (printOptions.filterDoubleLines()) {
                    StringList sl = StringList.explode(code, "\n");
                    sl.removeDoubleEmptyLines();
                    code = sl.getText();
                }

                //edit.setDiagram(diagram);
                edit.setCode(code);

                // resize the picture
                PageFormat pf = (PageFormat) pageFormat.clone();
                Paper pa = pf.getPaper();
                pa.setImageableArea(pa.getImageableX(), pa.getImageableY() + 20, pa.getImageableWidth(),
                        pa.getImageableHeight() - 40);
                pf.setPaper(pa);

                //sheets = new Vector<BufferedImage>();
                int p = 0;
                int result = 0;
                do {
                    /*BufferedImage img = new BufferedImage((int) pageFormat.getImageableWidth(),(int) pageFormat.getImageableHeight(),BufferedImage.TYPE_INT_RGB );
                    img.getGraphics().setColor(Color.WHITE);
                    img.getGraphics().fillRect(0,0,(int) pageFormat.getImageableWidth(),(int) pageFormat.getImageableHeight());*/

                    BufferedImage img = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
                    result = edit.print(img.createGraphics(), pf, p);
                    if (result == PAGE_EXISTS) {
                        //sheets.add(img);
                        pageList.add(str);
                        p++;
                    }
                } while (result == PAGE_EXISTS);

                //edit.print(g, pf, p);
                edit = null;
                System.gc();
            }
        }
    }

    if (page == 0 && printOptions.printDiagram() == true) {
        Graphics2D g2d = (Graphics2D) g;

        int yOffset = (int) pageFormat.getImageableY();

        g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());

        double sX = (pageFormat.getImageableWidth() - 1) / getDiagramWidth();
        double sY = (pageFormat.getImageableHeight() - 1 - 40) / getDiagramHeight();
        double sca = Math.min(sX, sY);
        if (sca > 1) {
            sca = 1;
        }
        g2d.translate(0, 20);
        g2d.scale(sca, sca);

        paint(g2d);

        g2d.scale(1 / sca, 1 / sca);
        g2d.translate(0, -(20));
        g2d.translate(-pageFormat.getImageableX(), -pageFormat.getImageableY());

        printHeaderFooter(g2d, pageFormat, page, new String());

        PageFormat pf = (PageFormat) pageFormat.clone();
        Paper pa = pf.getPaper();
        pa.setImageableArea(pa.getImageableX(), pa.getImageableY() + 20, pa.getImageableWidth(),
                pa.getImageableHeight() - 40);
        pf.setPaper(pa);

        // reset the paper
        //pageFormat.setPaper(originalPaper);
        return (PAGE_EXISTS);
    } else {
        int origPage = page;

        if (printOptions.printDiagram() == true)
            page--;

        if (page >= pageList.size() || printOptions.printCode() == false)
            return (NO_SUCH_PAGE);
        else {
            String mc = pageList.get(page);
            page--;
            int p = 0;
            while (page >= 0) {
                if (pageList.get(page).equals(mc))
                    p++;
                page--;
            }
            MyClass thisClass = classes.get(mc);

            CodeEditor edit = new CodeEditor();
            edit.setFont(new Font(edit.getFont().getName(), Font.PLAIN, printOptions.getFontSize()));

            String code = "";
            // get code, depending on JavaDoc filter
            if (printOptions.printJavaDoc())
                code = thisClass.getContent().getText();
            else
                code = thisClass.getJavaCodeCommentless();

            // filter double lines
            if (printOptions.filterDoubleLines()) {
                StringList sl = StringList.explode(code, "\n");
                sl.removeDoubleEmptyLines();
                code = sl.getText();
            }

            edit.setCode(code);

            printHeaderFooter(g, pageFormat, origPage, thisClass.getShortName());

            PageFormat pf = (PageFormat) pageFormat.clone();
            Paper pa = pf.getPaper();
            pa.setImageableArea(pa.getImageableX(), pa.getImageableY() + 20, pa.getImageableWidth(),
                    pa.getImageableHeight() - 40);
            pf.setPaper(pa);

            edit.print(g, pf, p);
            edit = null;
            System.gc();

            // reset the paper
            //pageFormat.setPaper(originalPaper);
            return (PAGE_EXISTS);
        }
    }
}

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From source file:org.gephi.ui.components.ReportSelection.java

/**
 *
 * @param graphics/*from   w  w  w  . j a v a  2 s.  co  m*/
 * @param pageFormat
 * @param pageIndex
 * @return
 */
@Override
public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) {

    boolean last = false;
    try {

        View rootView = displayPane.getUI().getRootView(displayPane);

        double scaleX = pageFormat.getImageableWidth() / displayPane.getMinimumSize().getWidth();

        scaleX = Math.min(scaleX, 1.0);
        double scaleY = scaleX;

        int end = (int) (pageIndex * ((1.0f / scaleY) * (double) pageFormat.getImageableHeight()));
        Rectangle allocation = new Rectangle(0, -end, (int) pageFormat.getImageableWidth(),
                (int) pageFormat.getImageableHeight());
        ((Graphics2D) graphics).scale(scaleX, scaleY);

        graphics.setClip((int) (pageFormat.getImageableX() / scaleX),
                (int) (pageFormat.getImageableY() / scaleY), (int) (pageFormat.getImageableWidth() / scaleX),
                (int) (pageFormat.getImageableHeight() / scaleY));

        ((Graphics2D) graphics).translate(((Graphics2D) graphics).getClipBounds().getX(),
                ((Graphics2D) graphics).getClipBounds().getY());

        rootView.paint(graphics, allocation);

        last = end > displayPane.getUI().getPreferredSize(displayPane).getHeight();

        if ((last)) {
            return Printable.NO_SUCH_PAGE;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return Printable.PAGE_EXISTS;
}

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From source file:org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.PageDefinitionReadHandler.java

/**
 * Handles the page format./*from  w  ww  . ja  v  a 2s.c  o  m*/
 *
 * @param atts
 *          the attributes.
 * @throws SAXException
 *           if a parser error occurs or the validation failed.
 * @noinspection SuspiciousNameCombination
 */
private PageFormat configurePageSizeAndMargins(final Attributes atts, PageFormat format) throws SAXException {
    // (1) Grab the existing default ...
    float defTopMargin = (float) format.getImageableY();
    float defBottomMargin = (float) (format.getHeight() - format.getImageableHeight() - format.getImageableY());
    float defLeftMargin = (float) format.getImageableX();
    float defRightMargin = (float) (format.getWidth() - format.getImageableWidth() - format.getImageableX());

    // (2) Now configure the new paper-size
    format = configurePageSize(format, atts);

    // (3) Reconfigure margins as requested
    defTopMargin = ParserUtil.parseFloat(atts.getValue(getUri(), "margin-top"), defTopMargin);
    defBottomMargin = ParserUtil.parseFloat(atts.getValue(getUri(), "margin-bottom"), defBottomMargin);
    defLeftMargin = ParserUtil.parseFloat(atts.getValue(getUri(), "margin-left"), defLeftMargin);
    defRightMargin = ParserUtil.parseFloat(atts.getValue(getUri(), "margin-right"), defRightMargin);

    final Paper p = format.getPaper();
    switch (format.getOrientation()) {
    case PageFormat.PORTRAIT:
        PageFormatFactory.getInstance().setBorders(p, defTopMargin, defLeftMargin, defBottomMargin,
                defRightMargin);
        break;
    case PageFormat.REVERSE_LANDSCAPE:
        PageFormatFactory.getInstance().setBorders(p, defLeftMargin, defBottomMargin, defRightMargin,
                defTopMargin);
        break;
    case PageFormat.LANDSCAPE:
        PageFormatFactory.getInstance().setBorders(p, defRightMargin, defTopMargin, defLeftMargin,
                defBottomMargin);
        break;
    default:
        // will not happen..
        throw new IllegalArgumentException("Unexpected paper orientation.");
    }

    format.setPaper(p);
    return format;
}

---

From source file:org.pentaho.reporting.engine.classic.core.modules.parser.ext.readhandlers.PageReadHandler.java

/**
 * Handles the page format.//from w w  w.  j ava 2  s.  c om
 *
 * @param atts
 *          the attributes.
 * @throws SAXException
 *           if a parser error occurs or the validation failed.
 * @noinspection SuspiciousNameCombination
 */
private void handlePageFormat(final Attributes atts) throws SAXException {
    final MasterReport report = (MasterReport) getRootHandler()
            .getHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME);

    // grab the default page definition ...
    PageFormat format = report.getPageDefinition().getPageFormat(0);
    float defTopMargin = (float) format.getImageableY();
    float defBottomMargin = (float) (format.getHeight() - format.getImageableHeight() - format.getImageableY());
    float defLeftMargin = (float) format.getImageableX();
    float defRightMargin = (float) (format.getWidth() - format.getImageableWidth() - format.getImageableX());

    format = createPageFormat(format, atts);

    defTopMargin = ParserUtil.parseFloat(atts.getValue(getUri(), PageReadHandler.TOPMARGIN_ATT), defTopMargin);
    defBottomMargin = ParserUtil.parseFloat(atts.getValue(getUri(), PageReadHandler.BOTTOMMARGIN_ATT),
            defBottomMargin);
    defLeftMargin = ParserUtil.parseFloat(atts.getValue(getUri(), PageReadHandler.LEFTMARGIN_ATT),
            defLeftMargin);
    defRightMargin = ParserUtil.parseFloat(atts.getValue(getUri(), PageReadHandler.RIGHTMARGIN_ATT),
            defRightMargin);

    final Paper p = format.getPaper();
    switch (format.getOrientation()) {
    case PageFormat.PORTRAIT:
        PageFormatFactory.getInstance().setBorders(p, defTopMargin, defLeftMargin, defBottomMargin,
                defRightMargin);
        break;
    case PageFormat.LANDSCAPE:
        // right, top, left, bottom
        PageFormatFactory.getInstance().setBorders(p, defRightMargin, defTopMargin, defLeftMargin,
                defBottomMargin);
        break;
    case PageFormat.REVERSE_LANDSCAPE:
        PageFormatFactory.getInstance().setBorders(p, defLeftMargin, defBottomMargin, defRightMargin,
                defTopMargin);
        break;
    default:
        // will not happen..
        throw new IllegalArgumentException("Unexpected paper orientation.");
    }

    format.setPaper(p);
    pageFormat = format;
}

---

From source file:org.pentaho.reporting.engine.classic.core.modules.parser.simple.readhandlers.JFreeReportReadHandler.java

/**
 * Starts parsing.//from  www  .  j  a v a  2  s .co m
 *
 * @param attrs
 *          the attributes.
 * @throws org.xml.sax.SAXException
 *           if there is a parsing error.
 * @noinspection SuspiciousNameCombination
 */
protected void startParsing(final PropertyAttributes attrs) throws SAXException {
    RootXmlReadHandler rootHandler = getRootHandler();
    final Object maybeReport = rootHandler.getHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME);
    final MasterReport report;
    if (maybeReport instanceof MasterReport == false) {
        // replace it ..
        report = new MasterReport();
        report.setAttribute(AttributeNames.Core.NAMESPACE, AttributeNames.Core.SOURCE, rootHandler.getSource());
    } else {
        report = (MasterReport) maybeReport;
    }

    final int groupCount = report.getGroupCount();
    for (int i = 0; i < groupCount; i++) {
        final Group g = report.getGroup(i);
        if (g instanceof RelationalGroup) {
            groupList.add((RelationalGroup) g);
        } else {
            throw new ParseException("The existing report contains non-default groups. "
                    + "This parser cannot handle such a construct.");
        }
    }

    final RootXmlReadHandler parser = rootHandler;
    if (ReportParserUtil.isIncluded(parser) == false) {
        final String query = attrs.getValue(getUri(), "query");
        if (query != null) {
            report.setQuery(query);
        }

        final String name = attrs.getValue(getUri(), JFreeReportReadHandler.NAME_ATT);
        if (name != null) {
            report.setName(name);
        }

        PageFormat format = report.getPageDefinition().getPageFormat(0);
        float defTopMargin = (float) format.getImageableY();
        float defBottomMargin = (float) (format.getHeight() - format.getImageableHeight()
                - format.getImageableY());
        float defLeftMargin = (float) format.getImageableX();
        float defRightMargin = (float) (format.getWidth() - format.getImageableWidth()
                - format.getImageableX());

        format = createPageFormat(format, attrs);

        defTopMargin = ParserUtil.parseFloat(attrs.getValue(getUri(), JFreeReportReadHandler.TOPMARGIN_ATT),
                defTopMargin);
        defBottomMargin = ParserUtil
                .parseFloat(attrs.getValue(getUri(), JFreeReportReadHandler.BOTTOMMARGIN_ATT), defBottomMargin);
        defLeftMargin = ParserUtil.parseFloat(attrs.getValue(getUri(), JFreeReportReadHandler.LEFTMARGIN_ATT),
                defLeftMargin);
        defRightMargin = ParserUtil.parseFloat(attrs.getValue(getUri(), JFreeReportReadHandler.RIGHTMARGIN_ATT),
                defRightMargin);

        final Paper p = format.getPaper();
        switch (format.getOrientation()) {
        case PageFormat.PORTRAIT:
            PageFormatFactory.getInstance().setBorders(p, defTopMargin, defLeftMargin, defBottomMargin,
                    defRightMargin);
            break;
        case PageFormat.LANDSCAPE:
            // right, top, left, bottom
            PageFormatFactory.getInstance().setBorders(p, defRightMargin, defTopMargin, defLeftMargin,
                    defBottomMargin);
            break;
        case PageFormat.REVERSE_LANDSCAPE:
            PageFormatFactory.getInstance().setBorders(p, defLeftMargin, defBottomMargin, defRightMargin,
                    defTopMargin);
            break;
        default:
            throw new IllegalStateException("Unexpected paper orientation.");
        }

        final int pageSpan = ParserUtil.parseInt(attrs.getValue(getUri(), JFreeReportReadHandler.PAGESPAN_ATT),
                1);

        format.setPaper(p);
        report.setPageDefinition(new SimplePageDefinition(format, pageSpan, 1));
    }
    if (rootHandler.getHelperObject(ReportParserUtil.HELPER_OBJ_LEGACY_STYLES) instanceof HashMap == false) {
        rootHandler.setHelperObject(ReportParserUtil.HELPER_OBJ_LEGACY_STYLES,
                new HashMap<String, ElementStyleSheet>());
    }
    rootHandler.setHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME, report);

    final String useMinChunkWidth = attrs.getValue(getUri(), "use-min-chunkwidth");
    if (useMinChunkWidth != null) {
        report.getStyle().setStyleProperty(ElementStyleKeys.USE_MIN_CHUNKWIDTH,
                ReportParserUtil.parseBoolean(useMinChunkWidth, getLocator()));
    }

    report.setCompatibilityLevel(ClassicEngineBoot.computeVersionId(3, 8, 0));
    this.report = report;
}

---

From source file:org.pentaho.reporting.engine.classic.core.util.PageFormatFactory.java

public static String printPageFormat(final PageFormat pf) {
    StringBuffer b = new StringBuffer();
    b.append("PageFormat={width=");
    b.append(pf.getWidth());//from w  w w .  j ava 2  s .c  om
    b.append(", height=");
    b.append(pf.getHeight());
    b.append(", imageableX=");
    b.append(pf.getImageableX());
    b.append(", imageableY=");
    b.append(pf.getImageableY());
    b.append(", imageableWidth=");
    b.append(pf.getImageableWidth());
    b.append(", imageableHeight=");
    b.append(pf.getImageableHeight());
    b.append(", orientation=").append(pf.getOrientation());
    b.append(", paper=");
    b.append(printPaper(pf.getPaper()));
    b.append("}");
    return b.toString();
}

---

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./*ww  w . j av  a 2  s. co m*/
 */
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./* ww w .  j av  a  2  s . co  m*/
 */
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();
        }
    }
}

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