2 files changed, 4 insertions, 4 deletions
diff --git a/src/newt/classes/com/jogamp/newt/Window.java b/src/newt/classes/com/jogamp/newt/Window.java
index 78e2abc6e..cc42465f1 100644
--- a/src/newt/classes/com/jogamp/newt/Window.java
+++ b/src/newt/classes/com/jogamp/newt/Window.java
@@ -129,7 +129,7 @@ public interface Window extends NativeWindow, WindowClosingProtocol {
      * <pre>
      * if ( 0 == windowHandle && visible ) {
      *   this.visible = visible;
-     *   if( 0 &lt; width*height ) {
+     *   if( 0 &lt; width && 0 &lt; height ) {
      *     createNative();
      *   }
      * } else if ( this.visible != visible ) {
@@ -171,9 +171,9 @@ public interface Window extends NativeWindow, WindowClosingProtocol {
      * <p>
      * Zero size semantics are respected, see {@link #setVisible(boolean)}:<br>
      * <pre>
-     * if ( 0 != windowHandle && 0 &ge; width*height && visible ) {
+     * if ( visible && 0 != windowHandle && ( 0 &ge; width || 0 &ge; height ) ) {
      *   setVisible(false);
-     * } else if ( 0 == windowHandle && 0 &lt; width*height && visible ) {
+     * } else if ( visible && 0 == windowHandle && 0 &lt; width && 0 &lt; height ) {
      *   setVisible(true);
      * } else {
      *   // as expected ..
diff --git a/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java b/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
index 74611706a..525225804 100644
--- a/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
+++ b/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
@@ -157,7 +157,7 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
         }
         updateSizeCheck();
         final Rectangle nClientArea = clientArea;
-        if(0 == nClientArea.width * nClientArea.height) {
+        if(0 >= nClientArea.width || 0 >= nClientArea.height) {        
             return false;
         }