Java by API/java.awt.print/PrinterGraphics — различия между версиями

Материал из Java эксперт
Перейти к: навигация, поиск
м (1 версия)
 
(нет различий)

Версия 17:43, 31 мая 2010

PrinterGraphics: getPrinterJob()

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterGraphics;
import java.awt.print.PrinterJob;
public class MainClass {
  public static void main(String[] args) {
    PrinterJob job = PrinterJob.getPrinterJob();
    job.setPrintable(new PrintDemo1());
    job.setCopies(2);
    job.setJobName("Printable");
    if (job.printDialog()) {
      try {
        job.print();
      } catch (PrinterException e) {
        System.out.println(e);
      }
    }
    System.exit(0);
  }
}
class PrintDemo1 implements Printable {
  public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException {
    // pageIndex 0 corresponds to page number 1.
    if (pageIndex >= 1)
      return Printable.NO_SUCH_PAGE;
    PrinterGraphics p = (PrinterGraphics) g;
    System.out.println(p.getPrinterJob().getCopies());
    System.out.println(p.getPrinterJob().getJobName());
    Graphics2D g2 = (Graphics2D) g;
    double w = pf.getImageableWidth();
    double h = pf.getImageableHeight();
    int xo = (int) pf.getImageableX();
    int yo = (int) pf.getImageableY();
    Rectangle2D r = new Rectangle2D.Double(xo, yo, w, h);
    g2.setColor(Color.red);
    g2.draw(r);
    Shape s = new Ellipse2D.Double(xo + 4,  yo + 4, 32, 32);
    g2.fill(s);
    return Printable.PAGE_EXISTS;
  }
  int rnd(int limit) {
    return ((int) (Math.random() * limit));
  }
}