1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/android/incallui/answer/impl/classifier/LengthCountEvaluator.java b/java/com/android/incallui/answer/impl/classifier/LengthCountEvaluator.java
new file mode 100644
index 000000000..2a2225a00
--- /dev/null
+++ b/java/com/android/incallui/answer/impl/classifier/LengthCountEvaluator.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.incallui.answer.impl.classifier;
+
+/**
+ * A classifier which looks at the ratio between the length of the stroke and its number of points.
+ */
+class LengthCountEvaluator {
+  public static float evaluate(float value) {
+    float evaluation = 0.0f;
+    if (value < 0.09) {
+      evaluation++;
+    }
+    if (value < 0.05) {
+      evaluation++;
+    }
+    if (value < 0.02) {
+      evaluation++;
+    }
+    if (value > 0.6) {
+      evaluation++;
+    }
+    if (value > 0.9) {
+      evaluation++;
+    }
+    if (value > 1.2) {
+      evaluation++;
+    }
+    return evaluation;
+  }
+}