2 files changed, 14 insertions, 2 deletions
diff --git a/src/newt/classes/com/jogamp/newt/MonitorDevice.java b/src/newt/classes/com/jogamp/newt/MonitorDevice.java
index 9ad194ce8..f7d08686e 100644
--- a/src/newt/classes/com/jogamp/newt/MonitorDevice.java
+++ b/src/newt/classes/com/jogamp/newt/MonitorDevice.java
@@ -230,10 +230,12 @@ public abstract class MonitorDevice {
      * Returns the <i>pixels per millimeter</i> value according to the <i>current</i> {@link MonitorMode mode}'s
      * {@link SurfaceSize#getResolution() surface resolution}.
      * <p>
-     * To convert the result to <i>dpi</i>, i.e. dots-per-inch, multiply both components with <code>25.4f</code>.
+     * To convert the result to <i>dpi</i>, i.e. dots-per-inch, multiply both components with <code>25.4f</code>,
+     * see {@link #perMMToPerInch(float[])}.
      * </p>
      * @param ppmmStore float[2] storage for the ppmm result
      * @return the passed storage containing the ppmm for chaining
+     * @see #perMMToPerInch(float[])
      */
     public final float[] getPixelsPerMM(final float[] ppmmStore) {
         return getPixelsPerMM(getCurrentMode(), ppmmStore);
@@ -258,6 +260,17 @@ public abstract class MonitorDevice {
     }
 
     /**
+     * Converts [1/mm] to [1/inch] in place
+     * @param ppmm float[2] [1/mm] value
+     * @return return [1/inch] value
+     */
+    public static float[/*2*/] perMMToPerInch(final float[/*2*/] ppmm) {
+        ppmm[0] *= 25.4f;
+        ppmm[1] *= 25.4f;
+        return ppmm;
+    }
+
+    /**
      * Returns the immutable original {@link com.jogamp.newt.MonitorMode}, as used at NEWT initialization.
      * <p>
      * The returned {@link MonitorMode} is element of the lists {@link #getSupportedModes()} and {@link Screen#getMonitorModes()}.
diff --git a/src/newt/classes/com/jogamp/newt/Window.java b/src/newt/classes/com/jogamp/newt/Window.java
index 5134708c4..3a84bd79c 100644
--- a/src/newt/classes/com/jogamp/newt/Window.java
+++ b/src/newt/classes/com/jogamp/newt/Window.java
@@ -47,7 +47,6 @@ import com.jogamp.nativewindow.CapabilitiesImmutable;
 import com.jogamp.nativewindow.NativeWindow;
 import com.jogamp.nativewindow.ScalableSurface;
 import com.jogamp.nativewindow.WindowClosingProtocol;
-import com.jogamp.nativewindow.util.Rectangle;
 import com.jogamp.nativewindow.util.RectangleImmutable;
 import com.jogamp.nativewindow.util.SurfaceSize;