/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Fill a shape with a predefined pattern
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.1
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet200 {
public static void main(String[] args) {
Display display = new Display();
//define a pattern on an image
final Image image = new Image(display, 1000, 1000);
Color blue = display.getSystemColor(SWT.COLOR_BLUE);
Color yellow = display.getSystemColor(SWT.COLOR_YELLOW);
Color white = display.getSystemColor(SWT.COLOR_WHITE);
GC gc = new GC(image);
gc.setBackground(white);
gc.setForeground(yellow);
gc.fillGradientRectangle(0, 0, 1000, 1000, true);
for (int i=-500; i<1000; i+=10) {
gc.setForeground(blue);
gc.drawLine(i, 0, 500 + i, 1000);
gc.drawLine(500 + i, 0, i, 1000);
}
gc.dispose();
final Pattern pattern;
try {
pattern = new Pattern(display, image);
} catch (SWTException e) {
//Advanced Graphics not supported.
//This new API requires the Cairo Vector engine on GTK and Motif and GDI+ on Windows.
System.out.println(e.getMessage());
display.dispose();
return;
}
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Composite c = new Composite(shell, SWT.DOUBLE_BUFFERED);
c.addListener(SWT.Paint, new Listener() {
@Override
public void handleEvent(Event event) {
Rectangle r = ((Composite)event.widget).getClientArea();
GC gc = event.gc;
gc.setBackgroundPattern(pattern);
gc.fillOval(5, 5, r.width - 10, r.height - 10);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
image.dispose();
pattern.dispose();
display.dispose();
}
}