org.danilopianini.io.PrintUtility Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright (C) 2009, 2015, Danilo Pianini and contributors
 * listed in the project's build.gradle or pom.xml file.
 *
 * This file is distributed under the terms of the Apache License, version 2.0
 *******************************************************************************/
package org.danilopianini.io;

import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;

import org.danilopianini.view.GUIUtilities;

/**
 * This class allows to print Components, managing the double buffering.
 * 
 */
public final class PrintUtility {

    private PrintUtility() {
    }

    private static final class PrintableComponent implements Printable {

        private final Component componentToBePrinted;

        /**
         * @param component the {@link Component} to print
         */
        PrintableComponent(final Component component) {
            this.componentToBePrinted = component;
        }

        @Override
        public int print(final Graphics g, final PageFormat pageFormat, final int pageIndex) {
            if (pageIndex <= 0 && g instanceof Graphics2D) {
                final Graphics2D g2d = (Graphics2D) g;
                pageFormat.setOrientation(PageFormat.LANDSCAPE);
                g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
                GUIUtilities.disableDoubleBuffering(componentToBePrinted);
                componentToBePrinted.paint(g2d);
                GUIUtilities.enableDoubleBuffering(componentToBePrinted);
                return PAGE_EXISTS;
            }
            return NO_SUCH_PAGE;
        }

    }

    /**
     * Opens the print dialog to print with this PrintUtility.
     * 
     * @param c
     *            The component to print
     * @return true if the user does not cancel the dialog; false otherwise
     * @throws PrinterException
     *             an error in the print system caused the job to be aborted.
     */
    public static boolean print(final Component c) throws PrinterException {
        final boolean printed = PrinterJob.getPrinterJob().printDialog();
        if (printed) {
            quickprint(c);
        }
        return printed;
    }

    /**
     * Quickly prints the component.
     * 
     * @param c
     *            The component to print
     * @throws PrinterException
     *             an error in the print system caused the job to be aborted.
     */
    public static void quickprint(final Component c) throws PrinterException {
        final PrintableComponent p = new PrintableComponent(c);
        PrinterJob.getPrinterJob().setPrintable(p);
        PrinterJob.getPrinterJob().print();
    }

}