added new utility class

refs 1577

org.fortiss.tooling.graphicsGL.ui/trunk/src/org/fortiss/tooling/graphicsGL/ui/util/ColorUtil.java

+/*--------------------------------------------------------------------------+
+$Id$
+|                                                                          |
+| Copyright 2013 ForTISS GmbH                     |
+|                                                                          |
+| Licensed under the Apache License, Version 2.0 (the "License");          |
+| you may not use this file except in compliance with the License.         |
+| You may obtain a copy of the License at                                  |
+|                                                                          |
+|    http://www.apache.org/licenses/LICENSE-2.0                            |
+|                                                                          |
+| Unless required by applicable law or agreed to in writing, software      |
+| distributed under the License is distributed on an "AS IS" BASIS,        |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and      |
+| limitations under the License.                                           |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.graphicsGL.ui.util;
+
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.RGB;
+import org.fortiss.tooling.graphicsGL.model.Color3D;
+import org.fortiss.tooling.graphicsGL.util.Graphics3DModelElementFactory;
+
+/**
+ * Util methods for colors
+ * 
+ * @author eder
+ * @author $Author$
+ * @version $Rev$
+ * @ConQAT.Rating YELLOW Hash: 755511EFA211214AC8F99622469EA543
+ */
+public class ColorUtil {
+
+	/**
+	 * RGB to Color3D
+	 * 
+	 * @param rgb
+	 *            color
+	 * 
+	 * @return rgb color as Color3D object
+	 */
+	public static Color3D rgbToColor3D(RGB rgb) {
+		return Graphics3DModelElementFactory.color(rgb.red / 255.f, rgb.green / 255.f,
+				rgb.blue / 255.f);
+
+	}
+
+	/**
+	 * Color3D to Color (SWT)
+	 * 
+	 * @param color
+	 *            Color3D
+	 * @return Color3D as Color (SWT) object
+	 */
+	public static Color toSWTColor(Color3D color) {
+		return new Color(null, (int)(255 * color.getRed()), (int)(255 * color.getGreen()),
+				(int)(255 * color.getBlue()));
+	}
+}