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Diffstat (limited to 'examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet294.java')
-rw-r--r-- | examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet294.java | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet294.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet294.java deleted file mode 100644 index 6f8d668272..0000000000 --- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet294.java +++ /dev/null @@ -1,81 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 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; - -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; - -/* - * Region on a control: create a non-rectangular button - * - * For a list of all SWT example snippets see - * http://www.eclipse.org/swt/snippets/ - * - * @since 3.4 - */ - -public class Snippet294 { - - static int[] circle(int r, int offsetX, int offsetY) { - int[] polygon = new int[8 * r + 4]; - // x^2 + y^2 = r^2 - for (int i = 0; i < 2 * r + 1; i++) { - int x = i - r; - int y = (int)Math.sqrt(r*r - x*x); - polygon[2*i] = offsetX + x; - polygon[2*i+1] = offsetY + y; - polygon[8*r - 2*i - 2] = offsetX + x; - polygon[8*r - 2*i - 1] = offsetY - y; - } - return polygon; - } - - public static void main(String[] args) { - final Display display = new Display(); - - final Shell shell = new Shell(display); - shell.setText("Regions on a Control"); - shell.setLayout(new FillLayout()); - shell.setBackground(display.getSystemColor(SWT.COLOR_DARK_RED)); - - Button b2 = new Button(shell, SWT.PUSH); - b2.setText("Button with Regions"); - - // define a region that looks like a circle with two holes in ot - Region region = new Region(); - region.add(circle(67, 87, 77)); - region.subtract(circle(20, 87, 47)); - region.subtract(circle(20, 87, 113)); - - // define the shape of the button using setRegion - b2.setRegion(region); - b2.setLocation(100,50); - - b2.addListener(SWT.Selection, new Listener() { - public void handleEvent(Event e) { - shell.close(); - } - }); - - shell.setSize(200,200); - shell.open(); - - while (!shell.isDisposed()) { - if (!display.readAndDispatch()) - display.sleep(); - } - region.dispose(); - display.dispose(); - } - -} |