Tests on zoom bug

.idea/misc.xml

@@ -38,7 +38,7 @@
       <property name="caretWidth" class="java.lang.Integer" />
     </properties>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="false" project-jdk-name="1.7" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build" />
   </component>
 </project>
\ No newline at end of file

src/main/java/ui/TGCScalableWithInternalComponent.java

@@ -38,6 +38,8 @@
 
 package ui;
 
+import myutil.TraceManager;
+
 /**
    * Class TGCScalableWithInternalComponent
    * Graphical component that contains one or more internal components, and which is scalable
@@ -55,6 +57,9 @@ public abstract class TGCScalableWithInternalComponent extends TGCWithInternalCo
 
     @Override
     public void rescale(double scaleFactor){
+        TraceManager.addDev("rescaling with oldScaleFactor=" + oldScaleFactor +
+                " new scale factor = " + scaleFactor + " dx=" + dx + " dy=" + dy +
+                " x=" + x + " y=" + y);
         rescaled = true;
 
         dwidth = (width + dwidth) / oldScaleFactor * scaleFactor;
@@ -87,6 +92,8 @@ public abstract class TGCScalableWithInternalComponent extends TGCWithInternalCo
         y = (int)(dy);
         dy = dy - y;
 
+        TraceManager.addDev("x=" + x + " y=" + y);
+
         oldScaleFactor = scaleFactor;
 
         if (father != null) {
@@ -97,6 +104,8 @@ public abstract class TGCScalableWithInternalComponent extends TGCWithInternalCo
 
         setMoveCd(x, y);
 
+        TraceManager.addDev("x=" + x + " y=" + y);
+
         for(int i=0; i<nbInternalTGComponent; i++) {
             if (tgcomponent[i] instanceof ScalableTGComponent) {
                 ((ScalableTGComponent)tgcomponent[i]).rescale(scaleFactor);