commit 4758f1216bd16763c72500bc3c2f0fb43c08d613
author Yang Li <liyang@google.com> Mon Dec 14 15:41:07 2009 -0800
committer Yang Li <liyang@google.com> Mon Dec 14 15:41:07 2009 -0800
tree 9a34ad5d82a1fd1a03e517de873f1bf41019e6eb
parent ba8e4d240b3d5eaebbdba9351b247ac20bedadc5

Added the Protractor algorithm for calculating the minimum cosine distance between gestures

core/java/android/gesture/GestureStore.java

diff --git a/core/java/android/gesture/GestureStore.java b/core/java/android/gesture/GestureStore.java
index 5f1a445..11a94d1 100644
--- a/core/java/android/gesture/GestureStore.java
+++ b/core/java/android/gesture/GestureStore.java
@@ -65,7 +65,12 @@
 
     // ORIENTATION_SENSITIVE and ORIENTATION_INVARIANT are only for SEQUENCE_SENSITIVE gestures
     public static final int ORIENTATION_INVARIANT = 1;
+    // at most 2 directions can be recognized
     public static final int ORIENTATION_SENSITIVE = 2;
+    // at most 4 directions can be recognized
+    static final int ORIENTATION_SENSITIVE_4 = 4;
+    // at most 8 directions can be recognized
+    static final int ORIENTATION_SENSITIVE_8 = 8;
 
     private static final short FILE_FORMAT_VERSION = 1;
 
@@ -131,7 +136,7 @@
     public ArrayList<Prediction> recognize(Gesture gesture) {
         Instance instance = Instance.createInstance(mSequenceType,
                 mOrientationStyle, gesture, null);
-        return mClassifier.classify(mSequenceType, instance.vector);
+        return mClassifier.classify(mSequenceType, mOrientationStyle, instance.vector);
     }
 
     /**