Merge "Cleanup: add PointF.toString()/equals()/hashcode()" into jb-mr1.1-dev

Author: Romain Guy

graphics/java/android/graphics/Point.java

@@ -70,20 +70,29 @@ public final boolean equals(int x, int y) {
         return this.x == x && this.y == y;
     }
 
-    @Override public boolean equals(Object o) {
-        if (o instanceof Point) {
-            Point p = (Point) o;
-            return this.x == p.x && this.y == p.y;
-        }
-        return false;
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Point point = (Point) o;
+
+        if (x != point.x) return false;
+        if (y != point.y) return false;
+
+        return true;
     }
 
-    @Override public int hashCode() {
-        return x * 32713 + y;
+    @Override
+    public int hashCode() {
+        int result = x;
+        result = 31 * result + y;
+        return result;
     }
 
-    @Override public String toString() {
-        return "Point(" + x + ", " + y+ ")";
+    @Override
+    public String toString() {
+        return "Point(" + x + ", " + y + ")";
     }
 
     /**

graphics/java/android/graphics/PointF.java

@@ -73,6 +73,31 @@ public final boolean equals(float x, float y) {
         return this.x == x && this.y == y; 
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        PointF pointF = (PointF) o;
+
+        if (Float.compare(pointF.x, x) != 0) return false;
+        if (Float.compare(pointF.y, y) != 0) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = (x != +0.0f ? Float.floatToIntBits(x) : 0);
+        result = 31 * result + (y != +0.0f ? Float.floatToIntBits(y) : 0);
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "PointF(" + x + ", " + y + ")";
+    }
+
     /**
      * Return the euclidian distance from (0,0) to the point
      */