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APPENDIX E

Example: Print2DtoStream.java

/*
 *
 * Use is subject to license terms.
 *
 */

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

/*
 * Use the Java Print Service API to locate a service which can export
 * 2D graphics to a stream as Postscript. This may be spooled to a
 * Postscript printer, or used in a postscript viewer.
 */
public class Print2DtoStream implements Printable{

    public Print2DtoStream() {
 
        /* Use the pre-defined flavor for a Printable from an InputStream */
        DocFlavor flavor = DocFlavor.SERVICE_FORMATTED.PRINTABLE;

         /* Specify the type of the output stream */
        String psMimeType = DocFlavor.BYTE_ARRAY.POSTSCRIPT.getMimeType();

        /* Locate factory which can export a GIF image stream as Postscript */
        StreamPrintServiceFactory[] factories =
        StreamPrintServiceFactory.lookupStreamPrintServiceFactories(
                    flavor, psMimeType);
        if (factories.length == 0) {
            System.err.println("No suitable factories");
            System.exit(0);
        }

        try {
            /* Create a file for the exported postscript */
            FileOutputStream fos = new FileOutputStream("out.ps");

            /* Create a Stream printer for Postscript */
            StreamPrintService sps = factories[0].getPrintService(fos);

            /* Create and call a Print Job */
            DocPrintJob pj = sps.createPrintJob();
            PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();

            Doc doc = new SimpleDoc(this, flavor, null);

            pj.print(doc, aset);
            fos.close();

        } catch (PrintException pe) { 
            System.err.println(pe);
        } catch (IOException ie) { 
            System.err.println(ie);
        }
    }
    
    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 args[]) {
           Print2DtoStream sp = new Print2DtoStream();
    }
}



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