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/*
* Copyright (C) 2020 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.
*/
#ifndef ANDROID_EXTERNAL_VIBRATION_UTILS_H
#define ANDROID_EXTERNAL_VIBRATION_UTILS_H
namespace android::os {
enum class HapticScale {
MUTE = -100,
VERY_LOW = -2,
LOW = -1,
NONE = 0,
HIGH = 1,
VERY_HIGH = 2,
};
bool isValidHapticScale(HapticScale scale);
/* Scales the haptic data in given buffer using the selected HapticScale and ensuring no absolute
* value will be larger than the absolute of given limit.
* The limit will be ignored if it is NaN or zero.
*/
void scaleHapticData(float* buffer, size_t length, HapticScale scale, float limit);
} // namespace android::os
#endif // ANDROID_EXTERNAL_VIBRATION_UTILS_H
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