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annotate snippets/cursor/Snippet92.d @ 119:9a1be6ff19a2

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More snippets, thanks to Tom D.
author Frank Benoit <benoit@tionex.de>
date Sun, 20 Jul 2008 15:26:06 +0200
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119
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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 * D Port:
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11 * Thomas Demmer <t_demmer AT web DOT de>
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12 *******************************************************************************/
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13 module cursor.Snippet92;
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14
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15 /*
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16 * Cursor example snippet: create a cursor from a source and a mask
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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 dwt.DWT;
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22 import dwt.events.PaintEvent;
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23 import dwt.events.PaintListener;
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24 import dwt.graphics.Color;
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25 import dwt.graphics.Cursor;
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26 import dwt.graphics.GC;
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27 import dwt.graphics.Image;
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28 import dwt.graphics.ImageData;
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29 import dwt.graphics.PaletteData;
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30 import dwt.widgets.Display;
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31 import dwt.widgets.Shell;
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32
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33 import dwt.dwthelper.utils;
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34
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35
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36 void main (String [] args) {
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37 Display display = new Display();
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38 Color white = display.getSystemColor (DWT.COLOR_WHITE);
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39 Color black = display.getSystemColor (DWT.COLOR_BLACK);
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40
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41 //Create a source ImageData of depth 1 (monochrome)
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42 PaletteData palette = new PaletteData ([white.getRGB(), black.getRGB()]);
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43 ImageData sourceData = new ImageData (20, 20, 1, palette);
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44 for (int i = 0; i < 10; i ++) {
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45 for (int j = 0; j < 20; j++) {
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46 sourceData.setPixel(i, j, 1);
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47 }
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48 }
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49
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50 //Create a mask ImageData of depth 1 (monochrome)
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51 palette = new PaletteData ([white.getRGB(), black.getRGB()]);
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52 ImageData maskData = new ImageData (20, 20, 1, palette);
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53 for (int i = 0; i < 20; i ++) {
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54 for (int j = 0; j < 10; j++) {
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55 maskData.setPixel(i, j, 1);
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56 }
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57 }
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58 //Create cursor
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59 Cursor cursor = new Cursor(display, sourceData, maskData, 10, 10);
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60
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61 Shell shell = new Shell(display);
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62 Image source = new Image (display,sourceData);
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63 Image mask = new Image (display, maskData);
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64 //Draw source and mask just to show what they look like
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65 shell.addPaintListener(new class() PaintListener{
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66 void paintControl(PaintEvent e) {
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67 GC gc = e.gc;
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68 gc.drawString("source: ", 10, 10);
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69 gc.drawImage(source, 0, 0, 20, 20, 60, 10, 20, 20);
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70 gc.drawString("mask: ",10, 40);
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71 gc.drawImage(mask, 0, 0, 20, 20, 60, 40, 20, 20);
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72 }
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73 });
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74 shell.setSize(150, 150);
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75 shell.open();
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76 shell.setCursor(cursor);
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77
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78 while (!shell.isDisposed()) {
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79 if (!display.readAndDispatch())
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80 display.sleep();
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81 }
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82 cursor.dispose();
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83 source.dispose();
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84 mask.dispose();
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85 display.dispose();
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86 }
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87