Mercurial > projects > dwt2
annotate org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet208.d @ 29:4e5843b771cc
First snippets buildable on windows
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 22 Mar 2009 19:55:00 +0100 |
parents | 69b1fa94a4a8 |
children | 536e43f63c81 |
rev | line source |
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28 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2005 IBM Corporation and others. | |
3 * All rights reserved. This program and the accompanying materials | |
4 * are made available under the terms of the Eclipse Public License v1.0 | |
5 * which accompanies this distribution, and is available at | |
6 * http://www.eclipse.org/legal/epl-v10.html | |
7 * | |
8 * Contributors: | |
9 * IBM Corporation - initial API and implementation | |
10 * D Port: | |
11 * Thomas Demmer <t_demmer AT web DOT de> | |
12 *******************************************************************************/ | |
13 module org.eclipse.swt.snippets.Snippet208; | |
14 | |
15 /* | |
16 * Change hue, saturation and brightness of a color | |
17 * | |
18 * For a list of all SWT example snippets see | |
19 * http://www.eclipse.org/swt/snippets/ | |
20 * | |
21 * @since 3.2 | |
22 */ | |
23 import org.eclipse.swt.SWT; | |
24 import org.eclipse.swt.graphics.Image; | |
25 import org.eclipse.swt.graphics.ImageData; | |
26 import org.eclipse.swt.graphics.RGB; | |
27 import org.eclipse.swt.graphics.PaletteData; | |
28 import org.eclipse.swt.layout.GridData; | |
29 import org.eclipse.swt.layout.GridLayout; | |
30 import org.eclipse.swt.widgets.Display; | |
31 import org.eclipse.swt.widgets.Label; | |
32 import org.eclipse.swt.widgets.Shell; | |
33 | |
34 import java.lang.all; | |
35 | |
36 void main (String [] args) { | |
37 PaletteData palette = new PaletteData(0xff, 0xff00, 0xff0000); | |
38 | |
39 // ImageData showing variations of hue | |
40 ImageData hueData = new ImageData(360, 100, 24, palette); | |
41 float hue = 0; | |
42 for (int x = 0; x < hueData.width; x++) { | |
43 for (int y = 0; y < hueData.height; y++) { | |
44 int pixel = palette.getPixel(new RGB(hue, 1f, 1f)); | |
45 hueData.setPixel(x, y, pixel); | |
46 } | |
47 hue += 360f / hueData.width; | |
48 } | |
49 | |
50 // ImageData showing saturation on x axis and brightness on y axis | |
51 ImageData saturationBrightnessData = new ImageData(360, 360, 24, palette); | |
52 float saturation = 0f; | |
53 float brightness = 1f; | |
54 for (int x = 0; x < saturationBrightnessData.width; x++) { | |
55 brightness = 1f; | |
56 for (int y = 0; y < saturationBrightnessData.height; y++) { | |
57 int pixel = palette.getPixel(new RGB(360f, saturation, brightness)); | |
58 saturationBrightnessData.setPixel(x, y, pixel); | |
59 brightness -= 1f / saturationBrightnessData.height; | |
60 } | |
61 saturation += 1f / saturationBrightnessData.width; | |
62 } | |
63 | |
64 Display display = new Display(); | |
65 Image hueImage = new Image(display, hueData); | |
66 Image saturationImage = new Image(display, saturationBrightnessData); | |
67 Shell shell = new Shell(display); | |
68 shell.setText("Hue, Saturation, Brightness"); | |
69 GridLayout gridLayout = new GridLayout(2, false); | |
70 gridLayout.verticalSpacing = 10; | |
71 gridLayout.marginWidth = gridLayout.marginHeight = 16; | |
72 shell.setLayout(gridLayout); | |
73 | |
74 Label label = new Label(shell, SWT.CENTER); | |
75 label.setImage(hueImage); | |
29
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First snippets buildable on windows
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parents:
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76 GridData data = new GridData(SWT.RIGHT, SWT.CENTER, false, false, 2, 1); |
28 | 77 label.setLayoutData(data); |
78 | |
79 label = new Label(shell, SWT.CENTER); //spacer | |
80 label = new Label(shell, SWT.CENTER); | |
81 label.setText("Hue"); | |
29
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First snippets buildable on windows
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parents:
28
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changeset
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82 data = new GridData(SWT.CENTER, SWT.CENTER, false, false); |
28 | 83 label.setLayoutData(data); |
84 label = new Label(shell, SWT.CENTER); //spacer | |
29
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First snippets buildable on windows
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parents:
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changeset
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85 data = new GridData(SWT.CENTER, SWT.CENTER, false, false, 2, 1); |
28 | 86 label.setLayoutData(data); |
87 | |
88 label = new Label(shell, SWT.LEFT); | |
89 label.setText("Brightness"); | |
29
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First snippets buildable on windows
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90 data = new GridData(SWT.LEFT, SWT.CENTER, false, false); |
28 | 91 label.setLayoutData(data); |
92 | |
93 label = new Label(shell, SWT.CENTER); | |
94 label.setImage(saturationImage); | |
29
4e5843b771cc
First snippets buildable on windows
Frank Benoit <benoit@tionex.de>
parents:
28
diff
changeset
|
95 data = new GridData(SWT.CENTER, SWT.CENTER, false, false); |
28 | 96 label.setLayoutData (data); |
97 | |
98 label = new Label(shell, SWT.CENTER); //spacer | |
99 label = new Label(shell, SWT.CENTER); | |
100 label.setText("Saturation"); | |
29
4e5843b771cc
First snippets buildable on windows
Frank Benoit <benoit@tionex.de>
parents:
28
diff
changeset
|
101 data = new GridData(SWT.CENTER, SWT.CENTER, false, false); |
28 | 102 label.setLayoutData(data); |
103 | |
104 shell.pack(); | |
105 shell.open(); | |
106 while (!shell.isDisposed()) { | |
107 if (!display.readAndDispatch()) { | |
108 display.sleep(); | |
109 } | |
110 } | |
111 hueImage.dispose(); | |
112 saturationImage.dispose(); | |
113 display.dispose(); | |
114 } |