/*******************************************************************************
 * Copyright (c) 2020 Syntevo 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:
 *     Syntevo - initial API and implementation
 *******************************************************************************/

import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Bug568641_GC_drawImage_IAE {
	public static void main(String[] args) {
		final Display display = new Display();

		final Shell shell = new Shell(display);
		shell.setLayout(new GridLayout(1, true));

		Label hint = new Label(shell, 0);
		hint.setText(
			"1) Go to your OS system settings and change Display DPI to 200%\n" +
			"2) Start this snippet\n" +
			"3) Change Display DPI to 100%\n" +
			"4) Snippet will crash with IllegalArgumentException in GC.drawImage()"
		);

		Image image = new Image(display, 13, 13);
		ImageDataProvider imageProvider = zoom -> image.getImageData(zoom);

		CLabel label = new CLabel(shell, 0);
		label.setImage(new Image(display, imageProvider));

		shell.pack();
		shell.open();

		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}

		display.dispose();
	}
}