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class JTP2Printer implements Printable
{
private JTextPane panel;
private boolean showPrintZone;
private boolean fitIntoPage;
private boolean wrapComponent;
private PageFormat pageFormat;
private PrinterJob printJob;
private Vector taillePages;
private String documentTitle;
public static final int PORTRAIT = 1;
public static final int LANDSCAPE = 0;
public JTP2Printer (JTextPane panel)
{
documentTitle = "";
this.panel = panel;
initPrintablePanel();
}
public void initPrintablePanel()
{
showPrintZone = false;
fitIntoPage = false;
wrapComponent = false;
printJob = PrinterJob.getPrinterJob();
pageFormat = printJob.defaultPage();
pageFormat.setOrientation(1);
}
public void setOrientation(int orientation)
{
pageFormat.setOrientation(orientation);
}
public void setPrintZoneVisible(boolean status)
{
showPrintZone = status;
}
public void setWrapComponent(boolean status)
{
wrapComponent = status;
}
public void setFitIntoPage(boolean status)
{
fitIntoPage = status;
}
public int getPageWidth()
{
return (int)pageFormat.getImageableWidth();
}
public double getMarginTop ()
{
return pageFormat.getImageableY();
}
public double getMarginLeft ()
{
return pageFormat.getImageableX();
}
public void setLRMargins(int margin)
{
Paper paper = pageFormat.getPaper();
paper.setImageableArea(paper.getImageableX() - (double)(margin / 2), paper.getImageableY(), paper.getImageableWidth() + (double)(margin / 2), paper.getImageableHeight());
pageFormat.setPaper(paper);
}
public void setTBMargins(int margin)
{
Paper paper = pageFormat.getPaper();
paper.setImageableArea(paper.getImageableX(), paper.getImageableY() - (double)(margin / 2), paper.getImageableWidth(), paper.getImageableHeight() + (double)(margin / 2));
pageFormat.setPaper(paper);
}
public void setDocumentTitle(String title)
{
documentTitle = title;
}
public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException
{
Dimension tailleDoc = panel.getSize();
double hauteurDocu = tailleDoc.getHeight();
double hauteurPage = pf.getImageableHeight();
double largeurDocu = tailleDoc.getWidth();
double largeurPage = pf.getImageableWidth();
int totalNumPages = (int)Math.ceil(hauteurDocu / hauteurPage);
if(wrapComponent)
totalNumPages = taillePages.size();
else
if(fitIntoPage)
totalNumPages = 1;
double scaleX = largeurPage / largeurDocu;
double scaleY = hauteurPage / hauteurDocu;
if(pageIndex >= totalNumPages)
return Printable.NO_SUCH_PAGE;
Graphics2D g2d = (Graphics2D)g;
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2d.translate(pf.getImageableX(), pf.getImageableY());
if(fitIntoPage)
{
double ratio = Math.min(scaleX, scaleY);
g2d.scale(ratio, ratio);
} else
if(wrapComponent)
{
if(pageIndex > 0)
g2d.translate(0.0D, -((Double)taillePages.get(pageIndex - 1)).doubleValue());
} else
{
g2d.translate(0.0D, (double)(-pageIndex) * hauteurPage);
}
panel.paint(g2d);
if(wrapComponent)
{
double hauteurBlanc = ((Double)taillePages.get(pageIndex)).doubleValue();
g2d.setColor(Color.WHITE);
g2d.fillRect(0, (int)hauteurBlanc, (int)largeurPage, (int)hauteurBlanc + (int)hauteurPage);
}
if(wrapComponent)
{
if(pageIndex > 0)
g2d.translate(0.0D, ((Double)taillePages.get(pageIndex - 1)).doubleValue());
} else
{
g2d.translate(0.0D, (double)pageIndex * hauteurPage);
}
g2d.setColor(Color.BLACK);
g2d.setFont(new Font("Verdanna", 2, 10));
g2d.drawString(documentTitle + " - [" + (pageIndex + 1) + "/" + totalNumPages + "]", 0, (int)pf.getImageableHeight() - 20);
return Printable.PAGE_EXISTS;//0
}
public void print()
{
printJob.setPrintable(this, pageFormat);
try
{
if(printJob.printDialog())
{
if(wrapComponent) calculatePages();
Paper paper = pageFormat.getPaper();
Paper save = pageFormat.getPaper();
paper.setImageableArea(paper.getImageableX(), paper.getImageableY(), paper.getWidth() - paper.getImageableX(), paper.getHeight() - paper.getImageableY());
pageFormat.setPaper(paper);
printJob.setPrintable(this, pageFormat);
printJob.print();
pageFormat.setPaper(save);
}
}
catch(PrinterException pe)
{
System.out.println("Erreur lors de l'impression du document: " + toString());
}
}
private void calculatePages()
{
taillePages = new Vector();
double hauteurPage = pageFormat.getImageableHeight();
double hauteurTotal = 0.0D;
double hauteurCumul = 0.0D;
for(int i = 0; i < panel.getComponentCount(); i++)
{
int gridBagInsets = 0;
if(panel.getLayout() instanceof GridBagLayout)
gridBagInsets = ((GridBagLayout)panel.getLayout()).getConstraints(panel.getComponent(i)).insets.bottom + ((GridBagLayout)panel.getLayout()).getConstraints(panel.getComponent(i)).insets.top;
double hauteurComponent = panel.getComponent(i).getSize().getHeight() + (double)gridBagInsets;
if(hauteurComponent > hauteurPage)
{
wrapComponent = false;
return;
}
hauteurTotal += hauteurComponent;
if(hauteurTotal > hauteurPage)
{
hauteurTotal -= hauteurComponent;
hauteurCumul += hauteurTotal;
taillePages.add(new Double(hauteurCumul));
hauteurTotal = hauteurComponent;
}
}
hauteurCumul += hauteurTotal;
taillePages.add(new Double(hauteurCumul));
}
} |
