1 /**
2 * Copyright 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "CoordinateFilter"
18
19 #include <input/CoordinateFilter.h>
20
21 namespace android {
22
CoordinateFilter(float minCutoffFreq,float beta)23 CoordinateFilter::CoordinateFilter(float minCutoffFreq, float beta)
24 : mXFilter{minCutoffFreq, beta}, mYFilter{minCutoffFreq, beta} {}
25
filter(std::chrono::nanoseconds timestamp,PointerCoords & coords)26 void CoordinateFilter::filter(std::chrono::nanoseconds timestamp, PointerCoords& coords) {
27 coords.setAxisValue(AMOTION_EVENT_AXIS_X, mXFilter.filter(timestamp, coords.getX()));
28 coords.setAxisValue(AMOTION_EVENT_AXIS_Y, mYFilter.filter(timestamp, coords.getY()));
29 }
30
31 } // namespace android
32