diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/layout/auto/KielerAutoLayouter.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/layout/auto/KielerAutoLayouter.java
index 02187fd04cb0d6607917f382bb6502422991133a..fae8692ca0131a6d14cff768aba446b7b35512d6 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/layout/auto/KielerAutoLayouter.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/layout/auto/KielerAutoLayouter.java
@@ -28,7 +28,7 @@ import static de.cau.cs.kieler.klay.layered.properties.Properties.INTERACTIVE_RE
 import static java.lang.Math.max;
 import static org.fortiss.tooling.base.layout.DefaultLayoutConstants.DEFAULT_CONNECTOR_SIZE;
 import static org.fortiss.tooling.base.layout.DefaultLayoutConstants.DEFAULT_GRID_SIZE;
-import static org.fortiss.tooling.base.layout.DefaultLayoutConstants.DEFAULT_SHAPE_MINIMUM_HEIGHT;
+import static org.fortiss.tooling.base.layout.DefaultLayoutConstants.DEFAULT_SHAPE_MINIMUM_WIDTH;
 import static org.fortiss.tooling.base.ui.annotation.view.AnnotationViewPartBase.isUpdateEnabled;
 import static org.fortiss.tooling.base.ui.annotation.view.AnnotationViewPartBase.setUpdateEnabled;
 import static org.fortiss.tooling.base.ui.utils.LayoutDataUIUtils.addBendPointToConnection;
@@ -329,7 +329,7 @@ public class KielerAutoLayouter implements IAutoLayouter {
 			int numConnectors = max(inputConnectors.size(), outputConnectors.size());
 			kNodeLayout.setHeight(max((1 + 2 * numConnectors) * DEFAULT_CONNECTOR_SIZE,
 					truncateSnap2Grid(dimension.getHeight(), true)));
-			kNodeLayout.setWidth(max(DEFAULT_SHAPE_MINIMUM_HEIGHT,
+			kNodeLayout.setWidth(max(DEFAULT_SHAPE_MINIMUM_WIDTH,
 					truncateSnap2Grid(dimension.getWidth(), true)));
 
 			kNode.setParent(rootNode);
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/.ratings b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/.ratings
index ee6b767c78bfd9833dcd9d4969b54d9ea8ccbf41..fa8e3fbcb8d617eb0474f444024f4bb3ac8ada36 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/.ratings
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/.ratings
@@ -4,7 +4,7 @@ ConstraintsBaseUIUtils.java d52255cb76e1152e233dba67b9d764b443157054 GREEN
 DecorationIconUtils.java 77c435bc970b7ca2774a9eab9fc102f0f46698b3 GREEN
 DragAndDropBaseUtils.java c88f397ca7aa034247b3508ca0f70c24cde53a47 GREEN
 EllipseLayoutUIUtils.java d007669f0f284392345d94d3b17009bebd53e2ee GREEN
-GCStateManager.java 58303cf3c9bb0f9178659c8baabad81c6d96e9a7 YELLOW
+GCStateManager.java 414e62052a64a9b4514ebda23d64a17a370ea360 YELLOW
 LayoutDataUIUtils.java 0b2d3d1f47eef070c11b56fb7b332e0e49fa5a52 GREEN
 PropertiesViewUtils.java 009d390b8aa41bb79b45b1e09a3375d0374fa139 GREEN
 RectangleLayoutUIUtils.java b64f2f86b8254363689bf0809f681fc59a87a04a GREEN
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/GCStateManager.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/GCStateManager.java
index 5de59dcb0fa84d8348de5115851d994ec12a7033..983973a92376b5c757c1253b32e33d0666ccdf7b 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/GCStateManager.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/utils/GCStateManager.java
@@ -15,6 +15,8 @@
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.base.ui.utils;
 
+import static org.eclipse.wb.swt.SWTResourceManager.getColor;
+
 import java.util.Deque;
 import java.util.LinkedList;
 
@@ -66,7 +68,7 @@ public final class GCStateManager {
 	/** Stores the current foreground color and creates and activates the given color. */
 	public GCStateManager foregroundStoreAndCreate(RGB rgb) {
 		state.push(gc.getForeground());
-		gc.setForeground(new Color(Display.getCurrent(), rgb));
+		gc.setForeground(getColor(rgb));
 		return this;
 	}
 
@@ -80,7 +82,7 @@ public final class GCStateManager {
 	/** Stores the current background color and creates and activates the given color. */
 	public GCStateManager backgroundStoreAndCreate(RGB rgb) {
 		state.push(gc.getBackground());
-		gc.setBackground(new Color(Display.getCurrent(), rgb));
+		gc.setBackground(getColor(rgb));
 		return this;
 	}
 
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/.ratings b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/.ratings
index 6097e7859a0a603e4abd78eab0238ea9dbf9272c..f5fa798f7aacffab4d39234f32cb8a06291caa48 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/.ratings
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/.ratings
@@ -1,6 +1,6 @@
 AxisStyle.java 08afd475d82f08acc926512637d136f7dc53da01 GREEN
 ChartStyle.java f5eb717f58603f62a6c65aee52d25168882ba77b GREEN
-ColorStyleBase.java 3091975acd2e88e1c7e1faaf733c2d79ed11eaee GREEN
+ColorStyleBase.java 5b7b6067b70bb2f740696c59d17127a3d2f18f7a YELLOW
 DataSeriesStyle.java facb27bc839a83057499b1ee982fd18ae1939ece GREEN
 FillStyle.java b3951ca3b29aa8c67ff01eccbaaa138e434c9382 GREEN
 FontStyle.java 24c20e5f4038855eb419d6f690e3c25f18b208bc GREEN
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/ColorStyleBase.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/ColorStyleBase.java
index 397b184cccb66b4fd757d42b38666e4a3358b75f..b8e824b55490b30507b8d38acf10bc61daf1fa00 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/ColorStyleBase.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/ColorStyleBase.java
@@ -15,9 +15,7 @@
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.spiderchart.style;
 
-import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.RGB;
-import org.fortiss.tooling.spiderchart.util.RGBColorUtils;
 
 /**
  * Base class for styles with a single {@link RGB} color.
@@ -37,9 +35,4 @@ public abstract class ColorStyleBase {
 	public final RGB getRGBColor() {
 		return rgbColor;
 	}
-
-	/** Creates the Color instance, which MUST be disposed after use. */
-	public final Color createSWTColor() {
-		return RGBColorUtils.createSWTColor(rgbColor);
-	}
 }
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/.ratings b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/.ratings
index 30cf2e6439cf39521bf0887d886be2bd533dfed0..0349ca393061586332826322bdc86af78714371b 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/.ratings
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/.ratings
@@ -1,3 +1,3 @@
 AxisUtils.java 6bda56a8f065c0f61da3219fed969ec81550e0d5 GREEN
 FontUtils.java 45708694de3276761a926819d61d6b002fa21840 GREEN
-RGBColorUtils.java 6aa3b43a72303eb61eac223f1b9634647ccba1d5 GREEN
+RGBColorUtils.java 710fb18fbf1d7023ebe4330a43abc429e0c05e49 YELLOW
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/RGBColorUtils.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/RGBColorUtils.java
index de5f1037c8ff4c57c257b20958f8617628f079f3..2fc319ab0bc3d898f7c68db324cded3ddcd45f70 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/RGBColorUtils.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/util/RGBColorUtils.java
@@ -18,9 +18,7 @@ package org.fortiss.tooling.spiderchart.util;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
 
-import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.RGB;
-import org.eclipse.swt.widgets.Display;
 
 /**
  * Utility class for handling colors with a set of commonly used colors.
@@ -60,14 +58,6 @@ public final class RGBColorUtils {
 	/** The RGB color navy. */
 	public static final RGB NAVY = new RGB(0, 0, 128);
 
-	/**
-	 * Creates a {@link Color} from the given {@link RGB}, which MUST be disposed after finished
-	 * using it.
-	 */
-	public static Color createSWTColor(RGB rgb) {
-		return new Color(Display.getCurrent(), rgb);
-	}
-
 	/** Returns the color, which is 10% brighter than the given color. */
 	public static RGB getBrighterColor(RGB color) {
 		int percent = 10;