org.eclipse.swt.snippets.Snippet279.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet279.java

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/*******************************************************************************
 * 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;

/*
 * draw a reflection of an image
 *
 * 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 Snippet279 {
    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display, SWT.SHELL_TRIM | SWT.DOUBLE_BUFFERED);
        shell.setText("Snippet 279");
        shell.setLayout(new FillLayout());
        final Image image = display.getSystemImage(SWT.ICON_QUESTION);
        shell.addListener(SWT.Paint, e -> {
            Rectangle rect = image.getBounds();
            GC gc = e.gc;
            int x = 10, y = 10;
            gc.drawImage(image, x, y);
            Transform tr = new Transform(e.display);
            tr.setElements(1, 0, 0, -1, 1, 2 * (y + rect.height));
            gc.setTransform(tr);
            gc.drawImage(image, x, y);
            gc.setTransform(null);
            Color background = gc.getBackground();
            Pattern p = new Pattern(e.display, x, y + rect.height, x, y + (2 * rect.height), background, 0,
                    background, 255);
            gc.setBackgroundPattern(p);
            gc.fillRectangle(x, y + rect.height, rect.width, rect.height);
            p.dispose();
            tr.dispose();
        });
        shell.setSize(600, 400);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}