2 files changed, 39 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/ui/ControlPoint.java b/src/com/android/gallery3d/filtershow/ui/ControlPoint.java
index 73589d373..a95364b27 100644
--- a/src/com/android/gallery3d/filtershow/ui/ControlPoint.java
+++ b/src/com/android/gallery3d/filtershow/ui/ControlPoint.java
@@ -30,6 +30,23 @@ public class ControlPoint implements Comparable {
         y = point.y;
     }
 
+    public boolean sameValues(ControlPoint other) {
+        if (this == other) {
+            return true;
+        }
+        if (other == null) {
+            return false;
+        }
+
+        if (Float.floatToIntBits(x) != Float.floatToIntBits(other.x)) {
+            return false;
+        }
+        if (Float.floatToIntBits(y) != Float.floatToIntBits(other.y)) {
+            return false;
+        }
+        return true;
+    }
+
     public ControlPoint copy() {
         return new ControlPoint(x, y);
     }
diff --git a/src/com/android/gallery3d/filtershow/ui/Spline.java b/src/com/android/gallery3d/filtershow/ui/Spline.java
index cadf2fd9c..5b931a98c 100644
--- a/src/com/android/gallery3d/filtershow/ui/Spline.java
+++ b/src/com/android/gallery3d/filtershow/ui/Spline.java
@@ -83,6 +83,28 @@ public class Spline {
         return Color.WHITE;
     }
 
+    public boolean sameValues(Spline other) {
+        if (this == other) {
+            return true;
+        }
+        if (other == null) {
+            return false;
+        }
+
+        if (getNbPoints() != other.getNbPoints()) {
+            return false;
+        }
+
+        for (int i = 0; i < getNbPoints(); i++) {
+            ControlPoint p = mPoints.elementAt(i);
+            ControlPoint otherPoint = other.mPoints.elementAt(i);
+            if (!p.sameValues(otherPoint)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     private void didMovePoint(ControlPoint point) {
         mCurrentControlPoint = point;
     }