diy-layout-creator --username bancika@gmail.com/DIYLC/config.xml

@@ -20,12 +20,12 @@
       </entry>
     </map>
   </entry>
-  <entry>
-    <string>metric</string>
-    <boolean>true</boolean>
-  </entry>
   <entry>
     <string>lastPath</string>
     <string>C:\Documents and Settings\Branislav Stojkovic\Desktop</string>
   </entry>
+  <entry>
+    <string>metric</string>
+    <boolean>true</boolean>
+  </entry>
 </map>

diy-layout-creator --username bancika@gmail.com/DIYLC/src/com/diyfever/diylc/plugins/canvas/CanvasPanel.java

@@ -110,15 +110,19 @@ class CanvasPanel extends JComponent implements Autoscroll {
 			createBufferImage();
 		}
 		do {
-			if (bufferImage.contentsLost()) {
+			try {
-				createBufferImage();
+				if (bufferImage.contentsLost()) {
+					createBufferImage();
+				}
+				int validation = bufferImage.validate(screenGraphicsConfiguration);
+				if (validation == VolatileImage.IMAGE_INCOMPATIBLE) {
+					createBufferImage();
+				}
+				g.drawImage(bufferImage, 0, 0, this);
+			} catch (NullPointerException e) {
+				// Do nothing, it will be recreated in the next pass.
 			}
-			int validation = bufferImage.validate(screenGraphicsConfiguration);
+		} while (bufferImage == null || bufferImage.contentsLost());
-			if (validation == VolatileImage.IMAGE_INCOMPATIBLE) {
-				createBufferImage();
-			}
-			g.drawImage(bufferImage, 0, 0, this);
-		} while (bufferImage.contentsLost());
 	}
 
 	@Override

diy-layout-creator --username bancika@gmail.com/DIYLC/src/com/diyfever/diylc/plugins/canvas/CanvasPlugin.java

@@ -6,6 +6,8 @@ import java.util.EnumSet;
 
 import javax.swing.SwingConstants;
 
+import org.apache.log4j.Logger;
+
 import com.diyfever.diylc.common.BadPositionException;
 import com.diyfever.diylc.common.EventType;
 import com.diyfever.diylc.common.IPlugIn;
@@ -17,7 +19,7 @@ import com.diyfever.gui.ruler.RulerScrollPane;
 
 public class CanvasPlugin implements IPlugIn {
 
-	// private static final Logger LOG = Logger.getLogger(CanvasPlugin.class);
+	private static final Logger LOG = Logger.getLogger(CanvasPlugin.class);
 
 	private static final String METRIC_KEY = "metric";
 
@@ -35,7 +37,7 @@ public class CanvasPlugin implements IPlugIn {
 		try {
 			plugInPort.injectGUIComponent(getScrollPane(), SwingConstants.CENTER);
 		} catch (BadPositionException e) {
-			e.printStackTrace();
+			LOG.error("Could not install canvas plugin", e);
 		}
 	}
 

diy-layout-creator --username bancika@gmail.com/DIYLC/src/com/diyfever/diylc/presenter/Presenter.java

@@ -453,7 +453,7 @@ public class Presenter implements IPlugInPort {
 			messageDispatcher.dispatchMessage(EventType.REPAINT);
 		} else {
 			// If there are components selected translate their control points.
-			translateSelection(point);
+			translateSelection(dragStartPoint, point);
 			dragStartPoint = point;
 			messageDispatcher.dispatchMessage(EventType.REPAINT);
 		}
@@ -490,7 +490,7 @@ public class Presenter implements IPlugInPort {
 			Project oldProject = cloner.deepClone(currentProject);
 
 			// If there are components selected translate their control points.
-			translateSelection(point);
+			translateSelection(dragStartPoint, point);
 			if (!oldProject.equals(currentProject)) {
 				messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
 						.deepClone(currentProject), "Move");
@@ -500,9 +500,13 @@ public class Presenter implements IPlugInPort {
 		dragInProgress = false;
 	}
 
-	private void translateSelection(Point toPoint) {
+	private void translateSelection(Point fromPoint, Point toPoint) {
-		int dx = (int) ((toPoint.x - dragStartPoint.x) / zoomLevel);
+		if (toPoint == null) {
-		int dy = (int) ((toPoint.y - dragStartPoint.y) / zoomLevel);
+			LOG.debug("Drag ended outside the drawing area.");
+			return;
+		}
+		int dx = (int) ((toPoint.x - fromPoint.x) / zoomLevel);
+		int dy = (int) ((toPoint.y - fromPoint.y) / zoomLevel);
 		for (IComponentInstance component : selectedComponents) {
 			List<ControlPointWrapper> controlPoints = ComponentProcessor.getInstance()
 					.extractControlPoints(component.getClass());