/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.classifier;
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/**
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* A classifier which looks at the general direction of a stroke and evaluates it depending on
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* the type of action that takes place.
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*/
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public class DirectionClassifier extends StrokeClassifier {
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public DirectionClassifier(ClassifierData classifierData) {
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}
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@Override
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public String getTag() {
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return "DIR";
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}
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@Override
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public float getFalseTouchEvaluation(int type, Stroke stroke) {
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Point firstPoint = stroke.getPoints().get(0);
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Point lastPoint = stroke.getPoints().get(stroke.getPoints().size() - 1);
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return DirectionEvaluator.evaluate(lastPoint.x - firstPoint.x, lastPoint.y - firstPoint.y,
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type);
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}
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}
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