public void print() throws PrinterException{
//
// Now, request the transcoder to actually perform the
// printing job.
//
PrinterJob printerJob =
PrinterJob.getPrinterJob();
PageFormat pageFormat =
printerJob.defaultPage();
//
// Set the page parameters from the hints
//
Paper paper = pageFormat.getPaper();
Float pageWidth = (Float)hints.get(KEY_PAGE_WIDTH);
Float pageHeight = (Float)hints.get(KEY_PAGE_HEIGHT);
if(pageWidth != null){
paper.setSize(pageWidth.floatValue(),
paper.getHeight());
}
if(pageHeight != null){
paper.setSize(paper.getWidth(),
pageHeight.floatValue());
}
float x=0, y=0;
float width=(float)paper.getWidth(), height=(float)paper.getHeight();
Float leftMargin = (Float)hints.get(KEY_MARGIN_LEFT);
Float topMargin = (Float)hints.get(KEY_MARGIN_TOP);
Float rightMargin = (Float)hints.get(KEY_MARGIN_RIGHT);
Float bottomMargin = (Float)hints.get(KEY_MARGIN_BOTTOM);
if(leftMargin != null){
x = leftMargin.floatValue();
width -= leftMargin.floatValue();
}
if(topMargin != null){
y = topMargin.floatValue();
height -= topMargin.floatValue();
}
if(rightMargin != null){
width -= rightMargin.floatValue();
}
if(bottomMargin != null){
height -= bottomMargin.floatValue();
}
paper.setImageableArea(x, y, width, height);
String pageOrientation = (String)hints.get(KEY_PAGE_ORIENTATION);
if(VALUE_PAGE_ORIENTATION_PORTRAIT.equalsIgnoreCase(pageOrientation)){
pageFormat.setOrientation(pageFormat.PORTRAIT);
}
else if(VALUE_PAGE_ORIENTATION_LANDSCAPE.equalsIgnoreCase(pageOrientation)){
pageFormat.setOrientation(pageFormat.LANDSCAPE);
}
else if(VALUE_PAGE_ORIENTATION_REVERSE_LANDSCAPE.equalsIgnoreCase(pageOrientation)){
pageFormat.setOrientation(pageFormat.REVERSE_LANDSCAPE);
}
pageFormat.setPaper(paper);
pageFormat = printerJob.validatePage(pageFormat);
//
// If required, pop up a dialog to adjust the page format
//
Boolean showPageFormat = (Boolean)hints.get(KEY_SHOW_PAGE_DIALOG);
if(showPageFormat != null && showPageFormat.booleanValue()){
PageFormat tmpPageFormat = printerJob.pageDialog(pageFormat);
if(tmpPageFormat == pageFormat){
// Dialog was cancelled, meaning that the print process should
// be stopped.
return;
}
pageFormat = tmpPageFormat;
}
//
// If required, pop up a dialog to select the printer
//
Boolean showPrinterDialog = (Boolean)hints.get(KEY_SHOW_PRINTER_DIALOG);
if(showPrinterDialog != null && showPrinterDialog.booleanValue()){
if(!printerJob.printDialog()){
// Dialog was cancelled, meaning that the print process
// should be stopped.
return;
}
}
// Print now
printerJob.setPrintable(this, pageFormat);
printerJob.print();
}