--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/color/Snippet208.d	Sat Jul 12 20:09:06 2008 +0200
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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
+ * D Port:
+ *     Thomas Demmer <t_demmer AT web DOT de>
+ *******************************************************************************/
+module color.Snippet208;
+
+/*
+ * Change hue, saturation and brightness of a color
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ *
+ * @since 3.2
+ */
+import dwt.DWT;
+import dwt.graphics.Image;
+import dwt.graphics.ImageData;
+import dwt.graphics.RGB;
+import dwt.graphics.PaletteData;
+import dwt.layout.GridData;
+import dwt.layout.GridLayout;
+import dwt.widgets.Display;
+import dwt.widgets.Label;
+import dwt.widgets.Shell;
+
+import dwt.dwthelper.utils;
+
+void main (String [] args) {
+    PaletteData palette = new PaletteData(0xff, 0xff00, 0xff0000);
+
+    // ImageData showing variations of hue
+    ImageData hueData = new ImageData(360, 100, 24, palette);
+    float hue = 0;
+    for (int x = 0; x < hueData.width; x++) {
+        for (int y = 0; y < hueData.height; y++) {
+            int pixel = palette.getPixel(new RGB(hue, 1f, 1f));
+            hueData.setPixel(x, y, pixel);
+        }
+        hue += 360f / hueData.width;
+    }
+
+    // ImageData showing saturation on x axis and brightness on y axis
+    ImageData saturationBrightnessData = new ImageData(360, 360, 24, palette);
+    float saturation = 0f;
+    float brightness = 1f;
+    for (int x = 0; x < saturationBrightnessData.width; x++) {
+        brightness = 1f;
+        for (int y = 0; y < saturationBrightnessData.height; y++) {
+            int pixel = palette.getPixel(new RGB(360f, saturation, brightness));
+            saturationBrightnessData.setPixel(x, y, pixel);
+            brightness -= 1f / saturationBrightnessData.height;
+        }
+        saturation += 1f / saturationBrightnessData.width;
+    }
+
+    Display display = new Display();
+    Image hueImage = new Image(display, hueData);
+    Image saturationImage = new Image(display, saturationBrightnessData);
+    Shell shell = new Shell(display);
+    shell.setText("Hue, Saturation, Brightness");
+    GridLayout gridLayout = new GridLayout(2, false);
+    gridLayout.verticalSpacing = 10;
+    gridLayout.marginWidth = gridLayout.marginHeight = 16;
+    shell.setLayout(gridLayout);
+
+    Label label = new Label(shell, DWT.CENTER);
+    label.setImage(hueImage);
+    GridData data = new GridData(DWT.RIGHT, DWT.CENTER, false, false, 2, 1);
+    label.setLayoutData(data);
+
+    label = new Label(shell, DWT.CENTER); //spacer
+    label = new Label(shell, DWT.CENTER);
+    label.setText("Hue");
+    data = new GridData(DWT.CENTER, DWT.CENTER, false, false);
+    label.setLayoutData(data);
+    label = new Label(shell, DWT.CENTER); //spacer
+    data = new GridData(DWT.CENTER, DWT.CENTER, false, false, 2, 1);
+    label.setLayoutData(data);
+
+    label = new Label(shell, DWT.LEFT);
+    label.setText("Brightness");
+    data = new GridData(DWT.LEFT, DWT.CENTER, false, false);
+    label.setLayoutData(data);
+
+    label = new Label(shell, DWT.CENTER);
+    label.setImage(saturationImage);
+    data = new GridData(DWT.CENTER, DWT.CENTER, false, false);
+    label.setLayoutData (data);
+
+    label = new Label(shell, DWT.CENTER); //spacer
+    label = new Label(shell, DWT.CENTER);
+    label.setText("Saturation");
+    data = new GridData(DWT.CENTER, DWT.CENTER, false, false);
+    label.setLayoutData(data);
+
+    shell.pack();
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch()) {
+            display.sleep();
+        }
+    }
+    hueImage.dispose();
+    saturationImage.dispose();
+    display.dispose();
+}