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public class PrinterManager implements Printable
{
final int POINTS_PER_INCH = 72;
private PrinterJob _printerJob;
private PrintService[] _printServices;
private PageFormat _pageFormat;
private Paper _paper;
private PrintRequestAttributeSet _printAttributeSet;
private TextLayout _txtLayout;
public static String textToPrint = new String();
public PrinterManager( String textToPrintParam )
{
if( textToPrintParam.equals("") )
PrinterManager.textToPrint = "Manipulating raw fonts would be too complicated to render paragraphs of "
+"text. Trying to write an algorithm to fully justify text using "
+"proportional fonts is not trivial. Adding support for international "
+"characters adds to the complexity. That's why we will use the "
+"TextLayout and the LineBreakMeasurer class to "
+"render text.";
else
PrinterManager.textToPrint = textToPrintParam;
_printerJob = PrinterJob.getPrinterJob();
_printServices = PrinterJob.lookupPrintServices();
for( int k = 0 ; k < _printServices.length ; k++ )
System.out.println("Found printer : " + _printServices[k].getName() );
_printAttributeSet = new HashPrintRequestAttributeSet();
_printAttributeSet.add( new Copies(1) );
_printAttributeSet.add( new JobName("My job", null ) );
_printAttributeSet.add( OrientationRequested.PORTRAIT );
_pageFormat =_printerJob.defaultPage();
_paper=_pageFormat.getPaper();
_paper.setSize( 204, 13106);
_paper.setImageableArea( 35, 72, 134, 12962);
_pageFormat.setPaper(_paper);
_printerJob.setPrintable(this, _pageFormat);
if ( _printServices.length > 0)
{
System.out.println("------------------- selected printer : ------------------");
System.out.println("selected printer " + _printServices[0].getName() );
try {
_printerJob.setPrintService( _printServices[0] );
_printerJob.print(_printAttributeSet);
}
catch (PrinterException pe) {
System.err.println(pe);
}
}
}
@Override
public int print( Graphics graphik, PageFormat pageFormat, int pageIndex) throws PrinterException
{
if ( pageIndex == 0 )
{
double pageX = pageFormat.getImageableX();
double pageY = pageFormat.getImageableY();
double pageWidth = pageFormat.getWidth();
double pageHeight = pageFormat.getHeight();
Graphics2D g2d = ( Graphics2D ) graphik;
g2d.translate( pageX, pageY );
g2d.setColor(Color.black);
Point2D.Double pen = new Point2D.Double (0, 0);
double width = pageWidth - 70;
AttributedString paragraphText = new AttributedString ( PrinterManager.textToPrint );
paragraphText.addAttribute ( TextAttribute.FONT, new Font ("serif", Font.PLAIN, 10) );
LineBreakMeasurer lineBreaker = new LineBreakMeasurer ( paragraphText.getIterator(),
new FontRenderContext (null, true, true) );
while ( ( _txtLayout = lineBreaker.nextLayout( (float) width ) ) != null )
{
//--- Align the Y pen to the ascend of the font, remember that
//--- the ascend is origin (0, 0) of a font. Refer to Figure 1
pen.y += _txtLayout.getAscent ();
//--- Draw the line of text
_txtLayout.draw ( g2d, (float) pen.x, (float) pen.y );
//--- Move the pen to the next position adding the descent and
//--- the leading of the font
pen.y += _txtLayout.getDescent () + _txtLayout.getLeading ();
}
//Rectangle2D outline = new Rectangle2D.Double( pageX, pageY, pageWidth, 300);
//g2d.setPaint(Color.black);
//g2d.draw(outline);
return Printable.PAGE_EXISTS;
}
else
{
return Printable.NO_SUCH_PAGE;
}
}
} |
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