Java Print Service API User Guide: - Example: Print2DGraphics.java - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

Java^TM Print Service API User Guide
APPENDIX D

Example: Print2DGraphics.java

import java.io.*;
import java.awt.*;
import java.net.*;
import java.awt.image.*;
import java.awt.print.*;
import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;

public class Print2DGraphics implements Printable {

	public Print2DGraphics() {

		/* Construct the print request specification.
		* The print data is a Printable object.
		* the request additonally specifies a job name, 2 copies, and
		* landscape orientation of the media.
		*/
		DocFlavor flavor = DocFlavor.SERVICE_FORMATTED.PRINTABLE;
		PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
		aset.add(OrientationRequested.LANDSCAPE);
		aset.add(new Copies(2));
		aset.add(new JobName("My job", null));

		/* locate a print service that can handle the request */
		PrintService[] services =
			PrintServiceLookup.lookupPrintServices(flavor, aset);

		if (services.length > 0) {
			System.out.println("selected printer " + services[0].getName());

			/* create a print job for the chosen service */
			DocPrintJob pj = services[0].createPrintJob();

			try {
				/* 
				* Create a Doc object to hold the print data.
				*/
				Doc doc = new SimpleDoc(this, flavor, null);

				/* print the doc as specified */
				pj.print(doc, aset);

				/*
				* Do not explicitly call System.exit() when print returns.
				* Printing can be asynchronous so may be executing in a
				* separate thread.
				* If you want to explicitly exit the VM, use a print job 
				* listener to be notified when it is safe to do so.
				*/

			} catch (PrintException e) { 
				System.err.println(e);
			}
		}
	}

	public int print(Graphics g,PageFormat pf,int pageIndex) {

		if (pageIndex == 0) {
			Graphics2D g2d= (Graphics2D)g;
			g2d.translate(pf.getImageableX(), pf.getImageableY()); 
			g2d.setColor(Color.black);
			g2d.drawString("example string", 250, 250);
			g2d.fillRect(0, 0, 200, 200);
			return Printable.PAGE_EXISTS;							
		} else {
			return Printable.NO_SUCH_PAGE;
		}
	}

	public static void main(String arg[]) {
		Print2DGraphics sp = new Print2DGraphics();
	}
}
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