| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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; |
| |
| /* |
| * Cursor example snippet: create a color cursor from a source and a mask |
| * |
| * For a list of all SWT example snippets see |
| * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet119 { |
| |
| static byte[] source = { |
| (byte)0x11, (byte)0x11, (byte)0x11, (byte)0x00, (byte)0x00, (byte)0x11, (byte)0x11, (byte)0x11, |
| (byte)0x11, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x11, |
| (byte)0x11, (byte)0x00, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x00, (byte)0x11, |
| (byte)0x10, (byte)0x02, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x30, (byte)0x01, |
| (byte)0x10, (byte)0x22, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x33, (byte)0x01, |
| (byte)0x10, (byte)0x22, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x33, (byte)0x01, |
| (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, |
| (byte)0x01, (byte)0x11, (byte)0x11, (byte)0x01, (byte)0x10, (byte)0x11, (byte)0x11, (byte)0x10, |
| (byte)0x01, (byte)0x11, (byte)0x11, (byte)0x01, (byte)0x10, (byte)0x11, (byte)0x11, (byte)0x10, |
| (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, |
| (byte)0x10, (byte)0x44, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x55, (byte)0x01, |
| (byte)0x10, (byte)0x44, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x55, (byte)0x01, |
| (byte)0x10, (byte)0x04, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x50, (byte)0x01, |
| (byte)0x11, (byte)0x00, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x00, (byte)0x11, |
| (byte)0x11, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x11, |
| (byte)0x11, (byte)0x11, (byte)0x11, (byte)0x00, (byte)0x00, (byte)0x11, (byte)0x11, (byte)0x11, |
| }; |
| |
| static byte[] mask = { |
| (byte)0x03, (byte)0xc0, |
| (byte)0x1f, (byte)0xf8, |
| (byte)0x3f, (byte)0xfc, |
| (byte)0x7f, (byte)0xfe, |
| (byte)0x7f, (byte)0xfe, |
| (byte)0x7f, (byte)0xfe, |
| (byte)0xff, (byte)0xff, |
| (byte)0xfe, (byte)0x7f, |
| (byte)0xfe, (byte)0x7f, |
| (byte)0xff, (byte)0xff, |
| (byte)0x7f, (byte)0xfe, |
| (byte)0x7f, (byte)0xfe, |
| (byte)0x7f, (byte)0xfe, |
| (byte)0x3f, (byte)0xfc, |
| (byte)0x1f, (byte)0xf8, |
| (byte)0x03, (byte)0xc0 |
| }; |
| |
| public static void main (String [] args) { |
| Display display = new Display(); |
| Color white = display.getSystemColor (SWT.COLOR_WHITE); |
| Color black = display.getSystemColor (SWT.COLOR_BLACK); |
| Color yellow = display.getSystemColor (SWT.COLOR_YELLOW); |
| Color red = display.getSystemColor (SWT.COLOR_RED); |
| Color green = display.getSystemColor (SWT.COLOR_GREEN); |
| Color blue = display.getSystemColor (SWT.COLOR_BLUE); |
| |
| //Create a source ImageData of depth 4 |
| PaletteData palette = new PaletteData (new RGB[] { |
| black.getRGB(), white.getRGB(), yellow.getRGB(), |
| red.getRGB(), blue.getRGB(), green.getRGB()}); |
| ImageData sourceData = new ImageData (16, 16, 4, palette, 1, source); |
| |
| //Create a mask ImageData of depth 1 (monochrome) |
| palette = new PaletteData (new RGB [] {black.getRGB(), white.getRGB(),}); |
| ImageData maskData = new ImageData (16, 16, 1, palette, 1, mask); |
| |
| //Set mask |
| sourceData.maskData = maskData.data; |
| sourceData.maskPad = maskData.scanlinePad; |
| |
| //Create cursor |
| Cursor cursor = new Cursor(display, sourceData, 10, 10); |
| |
| //Remove mask to draw them separately just to show what they look like |
| sourceData.maskData = null; |
| sourceData.maskPad = -1; |
| |
| Shell shell = new Shell(display); |
| final Image source = new Image (display,sourceData); |
| final Image mask = new Image (display, maskData); |
| shell.addPaintListener(new PaintListener() { |
| public void paintControl(PaintEvent e) { |
| GC gc = e.gc; |
| int x = 10, y = 10; |
| String stringSource = "source: "; |
| String stringMask = "mask: "; |
| gc.drawString(stringSource, x, y); |
| gc.drawString(stringMask, x, y + 30); |
| x += Math.max(gc.stringExtent(stringSource).x, gc.stringExtent(stringMask).x); |
| gc.drawImage(source, x, y); |
| gc.drawImage(mask, x, y + 30); |
| } |
| }); |
| 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(); |
| } |
| } |