| /******************************************************************************* |
| * 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; |
| |
| /* |
| * Cursor example snippet: create a cursor from a source and a mask |
| * |
| * 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 Snippet92 { |
| |
| public static void main (String [] args) { |
| Display display = new Display(); |
| Color white = display.getSystemColor (SWT.COLOR_WHITE); |
| Color black = display.getSystemColor (SWT.COLOR_BLACK); |
| |
| //Create a source ImageData of depth 1 (monochrome) |
| PaletteData palette = new PaletteData (white.getRGB(), black.getRGB()); |
| ImageData sourceData = new ImageData (20, 20, 1, palette); |
| for (int i = 0; i < 10; i ++) { |
| for (int j = 0; j < 20; j++) { |
| sourceData.setPixel(i, j, 1); |
| } |
| } |
| |
| //Create a mask ImageData of depth 1 (monochrome) |
| palette = new PaletteData (white.getRGB(), black.getRGB()); |
| ImageData maskData = new ImageData (20, 20, 1, palette); |
| for (int i = 0; i < 20; i ++) { |
| for (int j = 0; j < 10; j++) { |
| maskData.setPixel(i, j, 1); |
| } |
| } |
| //Create cursor |
| Cursor cursor = new Cursor(display, sourceData, maskData, 10, 10); |
| |
| Shell shell = new Shell(display); |
| final Image source = new Image (display,sourceData); |
| final Image mask = new Image (display, maskData); |
| //Draw source and mask just to show what they look like |
| shell.addPaintListener(e -> { |
| GC gc = e.gc; |
| gc.drawString("source: ", 10, 10); |
| gc.drawImage(source, 0, 0, 20, 20, 60, 10, 20, 20); |
| gc.drawString("mask: ",10, 40); |
| gc.drawImage(mask, 0, 0, 20, 20, 60, 40, 20, 20); |
| }); |
| shell.setSize(150, 150); |
| shell.open(); |
| shell.setCursor(cursor); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| cursor.dispose(); |
| source.dispose(); |
| mask.dispose(); |
| display.dispose(); |
| } |
| } |