| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_CHROMEOS_ACCELEROMETER_ACCELEROMETER_UTIL_H_ |
| #define UI_CHROMEOS_ACCELEROMETER_ACCELEROMETER_UTIL_H_ |
| |
| #include "chromeos/accelerometer/accelerometer_types.h" |
| #include "ui/chromeos/ui_chromeos_export.h" |
| #include "ui/gfx/geometry/vector3d_f.h" |
| |
| namespace ui { |
| |
| // Converts the acceleration data in |reading| into a gfx::Vector3dF. |
| UI_CHROMEOS_EXPORT const gfx::Vector3dF ConvertAccelerometerReadingToVector3dF( |
| const chromeos::AccelerometerReading& reading); |
| |
| // A reading is considered stable if its deviation from gravity is small. This |
| // returns false if the deviation is too high, or if |source| is not present |
| // in the update. |
| UI_CHROMEOS_EXPORT bool IsAccelerometerReadingStable( |
| const chromeos::AccelerometerUpdate& update, |
| chromeos::AccelerometerSource source); |
| |
| } // namespace ui |
| |
| #endif // UI_CHROMEOS_ACCELEROMETER_ACCELEROMETER_UTIL_H_ |
