Add the new ZoomController UI and also the exposure compensation settings.

Fix the bug that some MotionEvent of some actions should always pass to the
component who accept the DOWN event.

Also fix a bug that nine patch image will be drawn incorrectly after rotation.

Change-Id: I8ab36fb6f958c1967afa11eed5f167842b59cada

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;
+    }
 }