diff options
Diffstat (limited to 'java/com/android/incallui/answer/impl/classifier/EndPointRatioClassifier.java')
-rw-r--r-- | java/com/android/incallui/answer/impl/classifier/EndPointRatioClassifier.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/java/com/android/incallui/answer/impl/classifier/EndPointRatioClassifier.java b/java/com/android/incallui/answer/impl/classifier/EndPointRatioClassifier.java new file mode 100644 index 000000000..01a35c126 --- /dev/null +++ b/java/com/android/incallui/answer/impl/classifier/EndPointRatioClassifier.java @@ -0,0 +1,43 @@ +/* + * 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 total length covered by the stroke and the + * distance between the first and last point from this stroke. + */ +class EndPointRatioClassifier extends StrokeClassifier { + public EndPointRatioClassifier(ClassifierData classifierData) { + mClassifierData = classifierData; + } + + @Override + public String getTag() { + return "END_RTIO"; + } + + @Override + public float getFalseTouchEvaluation(Stroke stroke) { + float ratio; + if (stroke.getTotalLength() == 0.0f) { + ratio = 1.0f; + } else { + ratio = stroke.getEndPointLength() / stroke.getTotalLength(); + } + return EndPointRatioEvaluator.evaluate(ratio); + } +} |