| /******************************************************************************* |
| * 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; |
| |
| /* |
| * Drawing with transformations, paths and alpha blending |
| * |
| * 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.widgets.*; |
| |
| public class Snippet10 { |
| public static void main(String[] args) { |
| final Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setText("Advanced Graphics"); |
| FontData fd = shell.getFont().getFontData()[0]; |
| final Font font = new Font(display, fd.getName(), 60, SWT.BOLD | SWT.ITALIC); |
| final Image image = new Image(display, 640, 480); |
| final Rectangle rect = image.getBounds(); |
| GC gc = new GC(image); |
| gc.setBackground(display.getSystemColor(SWT.COLOR_RED)); |
| gc.fillOval(rect.x, rect.y, rect.width, rect.height); |
| gc.dispose(); |
| shell.addListener(SWT.Paint, new Listener() { |
| public void handleEvent(Event event) { |
| GC gc = event.gc; |
| Transform tr = new Transform(display); |
| tr.translate(50, 120); |
| tr.rotate(-30); |
| gc.drawImage(image, 0, 0, rect.width, rect.height, 0, 0, rect.width / 2, rect.height / 2); |
| gc.setAlpha(100); |
| gc.setTransform(tr); |
| Path path = new Path(display); |
| path.addString("SWT", 0, 0, font); |
| gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN)); |
| gc.setForeground(display.getSystemColor(SWT.COLOR_BLUE)); |
| gc.fillPath(path); |
| gc.drawPath(path); |
| tr.dispose(); |
| path.dispose(); |
| } |
| }); |
| shell.setSize(shell.computeSize(rect.width / 2, rect.height / 2)); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| image.dispose(); |
| font.dispose(); |
| display.dispose(); |
| } |
| } |