org.eclipse.swt.snippets.Snippet112.java Source code

Introduction

Here is the source code for org.eclipse.swt.snippets.Snippet112.java

Source

/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Image example snippet: display an image in a group
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet112 {

    public static void main(String[] args) {
        Display display = new Display();
        final Image image = new Image(display, 20, 20);
        Color color = display.getSystemColor(SWT.COLOR_RED);
        GC gc = new GC(image);
        gc.setBackground(color);
        gc.fillRectangle(image.getBounds());
        gc.dispose();

        Shell shell = new Shell(display);
        shell.setText("Snippet 112");
        shell.setLayout(new FillLayout());
        Group group = new Group(shell, SWT.NONE);
        group.setLayout(new FillLayout());
        group.setText("a square");
        Canvas canvas = new Canvas(group, SWT.NONE);
        canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));

        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        image.dispose();
        display.dispose();
    }
}