1 /*******************************************************************************
2 * Copyright (c) 2006, 2013 IBM Corporation and others.
3 *
4 * This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License 2.0
6 * which accompanies this distribution, and is available at
7 * https://www.eclipse.org/legal/epl-2.0/
8 *
9 * SPDX-License-Identifier: EPL-2.0
10 *
11 * Contributors:
12 * IBM Corporation - initial API and implementation
13 *******************************************************************************/
14
15 package org.eclipse.swt.examples.graphics;
16
17 import org.eclipse.swt.graphics.*;
18
19 /**
20 * This tab demonstrates how an image can be scaled.
21 */
22 public class ImageScaleTab extends GraphicsTab {
23
ImageScaleTab(GraphicsExample example)24 public ImageScaleTab(GraphicsExample example) {
25 super(example);
26 }
27
28 @Override
getCategory()29 public String getCategory() {
30 return GraphicsExample.getResourceString("Image"); //$NON-NLS-1$
31 }
32
33 @Override
getText()34 public String getText() {
35 return GraphicsExample.getResourceString("Scale"); //$NON-NLS-1$
36 }
37
38 @Override
getDescription()39 public String getDescription() {
40 return GraphicsExample.getResourceString("ScaleDescription"); //$NON-NLS-1$
41 }
42
43 @Override
paint(GC gc, int width, int height)44 public void paint(GC gc, int width, int height) {
45 Device device = gc.getDevice();
46 Image image = GraphicsExample.loadImage(device, GraphicsExample.class, "houses.png");
47
48 Rectangle bounds = image.getBounds();
49 Rectangle canvasBounds = example.canvas.getBounds();
50 gc.drawImage(image, 0, 0, bounds.width, bounds.height, 0, 0, canvasBounds.width, canvasBounds.height);
51
52 image.dispose();
53 }
54 }
55
56