1 files changed, 12 insertions, 0 deletions
diff --git a/src/com/android/camera/Util.java b/src/com/android/camera/Util.java
index d2914f3..54c1e4d 100644
--- a/src/com/android/camera/Util.java
+++ b/src/com/android/camera/Util.java
@@ -264,4 +264,16 @@ public class Util {
         n |= n >>> 1;
         return n + 1;
     }
+
+    public static float distance(float x, float y, float sx, float sy) {
+        float dx = x - sx;
+        float dy = y - sy;
+        return (float) Math.sqrt(dx * dx + dy * dy);
+    }
+
+    public static int clamp(int x, int min, int max) {
+        if (x > max) return max;
+        if (x < min) return min;
+        return x;
+    }
 }