Remove Printer Dialog – PrintJob Java

Question:

In a Java application I print through PrintJob, but the way I print when I call the Print method it opens a printer dialog so I can choose which one to print on, I tried and I couldn't make it print without having to call the dialogue.

Below is my printing method.

print.java

public void imprimir() {


    Frame f = new Frame("Frame temporário");
    f.setSize((int) 283.46, 500);
    f.pack();


    Toolkit tk = f.getToolkit();

    PrintJob pj = tk.getPrintJob(f, "MP4200", null);



    if (pj != null) {
        Graphics g = pj.getGraphics();

    ...Aqui vai os dados impressos...


        g.dispose();

        pj.end();
    }


    f.dispose();
}

Answer:

You may be trying to adapt this example I made my friend to your own needs. In it I print an object of the Drawing class that must implement Printable so that it is a printable object, then I call in the main class the print() method of the PrinterJob object, so it will print directly to the printer, without displaying the dialog, when you attempts to print from a Toolkit PrinterJob will always display the printers dialog, there is no workaround.

Object class to be printed.

public class Desenho implements Printable {
    // Deve implementar Printable para que seja um objeto imprimivel

    @Override
    public int print(Graphics graphics, PageFormat pageFormat, int pageIndex)
            throws PrinterException {
        if (pageIndex > 0) {
            return Printable.NO_SUCH_PAGE;
        } else {
            // Renderiza um quadrado
            Graphics2D g2d = (Graphics2D) graphics;
            int x = 90;
            int y = 90;
            g2d.draw(new Rectangle2D.Double(x, y, 500, 500));

            // Mostra que imprimiu o objeto
            return Printable.PAGE_EXISTS;
        }
    }
}   

And the test class

 public class Impressora {

// Classe main para testar o exemplo
public static void main(String[] args) {
    Impressora imp = new Impressora();
    imp.imprimir();
}

public void imprimir() {
    PrinterJob impressor = PrinterJob.getPrinterJob();
    // Informo ao impressor o objeto que quero imprimir
    impressor.setPrintable(new Desenho()); 
    try {
        // Manda imprimir diretamente na impressora padrão
        impressor.print();
        // Abre a caixa de dialogo de impressão
        // impressor.printDialog();
    } catch (PrinterException e) {
        e.printStackTrace();
    }
}

}