xref: /packages/apps/Dialer/java/com/android/incallui/answer/impl/classifier/LengthCountEvaluator.java

/*
 * 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;
  }
}