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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2004 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Bill Baxter <bill@billbaxter.com>
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12 *******************************************************************************/
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13 module org.eclipse.swt.snippets.Snippet215;
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14
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15 /*
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16 * GC example snippet: take a screen shot with a GC
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17 *
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18 * For a list of all SWT example snippets see
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19 * http://www.eclipse.org/swt/snippets/
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20 */
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21 import org.eclipse.swt.SWT;
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22 import org.eclipse.swt.graphics.GC;
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23 import org.eclipse.swt.graphics.Image;
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24 import org.eclipse.swt.widgets.Display;
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25 import org.eclipse.swt.widgets.Shell;
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26 import org.eclipse.swt.widgets.Listener;
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27 import org.eclipse.swt.widgets.Event;
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28 import org.eclipse.swt.widgets.Button;
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29 import org.eclipse.swt.widgets.Canvas;
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30 import org.eclipse.swt.custom.ScrolledComposite;
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31 import org.eclipse.swt.layout.FillLayout;
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32 import org.eclipse.swt.events.PaintListener;
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33
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34 Image image;
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35
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36 void main() {
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37 final Display display = new Display();
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38 final Shell shell = new Shell(display);
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39 shell.setLayout(new FillLayout());
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40 Button button = new Button(shell, SWT.PUSH);
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41 button.setText("Capture");
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42 button.addListener(SWT.Selection, new class() Listener {
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43 public void handleEvent(Event event) {
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44
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45 /* Take the screen shot */
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46 GC gc = new GC(display);
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47 image = new Image(display, display.getBounds());
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48 gc.copyArea(image, 0, 0);
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49 gc.dispose();
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50
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51 Shell popup = new Shell(shell, SWT.SHELL_TRIM);
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52 popup.setLayout(new FillLayout());
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53 popup.setText("Image");
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54 popup.setBounds(50, 50, 200, 200);
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55 popup.addListener(SWT.Close, new class() Listener {
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56 public void handleEvent(Event e) {
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57 image.dispose();
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58 }
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59 });
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60
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61 ScrolledComposite sc = new ScrolledComposite (popup, SWT.V_SCROLL | DWT.H_SCROLL);
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62 Canvas canvas = new Canvas(sc, SWT.NONE);
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63 sc.setContent(canvas);
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64 canvas.setBounds(display.getBounds ());
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65 canvas.addPaintListener(new class() PaintListener {
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66 public void paintControl(PaintEvent e) {
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67 e.gc.drawImage(image, 0, 0);
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68 }
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69 });
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70 popup.open();
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71 }
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72 });
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73 shell.pack();
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74 shell.open();
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75 while (!shell.isDisposed()) {
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76 if (!display.readAndDispatch()) display.sleep();
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77 }
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78 display.dispose();
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79 }
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80
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