| /frameworks/base/services/core/java/com/android/server/display/ |
| H A D | HysteresisLevels.java | 31 // The recent lux must have changed by at least this fraction relative to the
32 // current ambient lux before a change will be considered.
48 * thresholds in units of lux
60 * Return the brightening hysteresis threshold for the given lux level.
62 public float getBrighteningThreshold(float lux) { argument
63 float brightConstant = getReferenceLevel(lux, mBrightLevels);
64 float brightThreshold = lux * (1.0f + brightConstant);
67 + brightThreshold + ", lux=" + lux);
73 * Return the darkening hysteresis threshold for the given lux leve
75 getDarkeningThreshold(float lux) argument
89 getReferenceLevel(float lux, float[] referenceLevels) argument
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| H A D | BrightnessMappingStrategy.java | 92 private static float[] getLuxLevels(int[] lux) { argument
93 // The first control point is implicit and always at 0 lux.
94 float[] levels = new float[lux.length + 1];
95 for (int i = 0; i < lux.length; i++) {
96 levels[i + 1] = (float) lux[i];
173 * Returns the desired brightness of the display based on the current ambient lux.
178 * @param lux The current ambient brightness in lux.
181 public abstract float getBrightness(float lux); argument
220 public abstract void addUserDataPoint(float lux, floa argument
248 insertControlPoint( float[] luxLevels, float[] brightnessLevels, float lux, float brightness) argument
290 smoothCurve(float[] lux, float[] brightness, int idx) argument
367 getAdjustedCurve(float[] lux, float[] brightness, float userLux, float userBrightness, float adjustment, float maxGamma) argument
422 SimpleMappingStrategy(float[] lux, int[] brightness, float maxGamma) argument
455 getBrightness(float lux) argument
486 addUserDataPoint(float lux, float brightness) argument
553 getUnadjustedBrightness(float lux) argument
641 getBrightness(float lux) argument
674 addUserDataPoint(float lux, float brightness) argument
756 getUnadjustedBrightness(float lux) argument
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| H A D | AutomaticBrightnessController.java | 90 // The mapper to translate ambient lux to screen brightness in the range [0, 1.0].
310 // If we don't have a valid ambient lux then we don't have a valid brightness anyways,
412 private void handleLightSensorEvent(long time, float lux) { argument
413 Trace.traceCounter(Trace.TRACE_TAG_POWER, "ALS", (int) lux);
420 applyLightSensorMeasurement(time, lux);
424 private void applyLightSensorMeasurement(long time, float lux) { argument
427 mAmbientLightRingBuffer.push(time, lux);
430 mLastObservedLux = lux;
453 private void setAmbientLux(float lux) { argument
455 Slog.d(TAG, "setAmbientLux(" + lux
800 push(long time, float lux) argument
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| H A D | BrightnessTracker.java | 95 // Time over which we keep lux sensor readings.
104 private static final String ATTR_LUX = "lux";
336 luxValues[pos] = reading.lux;
715 public float lux; field in class:BrightnessTracker.LightData
745 data.lux = event.values[0];
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| /frameworks/base/core/java/android/hardware/display/ |
| H A D | BrightnessConfiguration.java | 39 private BrightnessConfiguration(float[] lux, float[] nits, String description) { argument
40 mLux = lux;
48 * The curve is returned as a pair of float arrays, the first representing all of the lux
123 float[] lux = in.createFloatArray();
125 Builder builder = new Builder(lux, nits);
153 * Brightness curves must have strictly increasing ambient brightness values in lux and
155 * control point must be 0 lux.
157 * @throws IllegalArgumentException if the initial control point is not at 0 lux.
158 * @throws IllegalArgumentException if the lux levels are not strictly increasing.
161 public Builder(float[] lux, floa argument
179 setCurve(float[] lux, float[] nits) argument
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| /frameworks/base/services/tests/servicestests/src/com/android/server/display/ |
| H A D | BrightnessTrackerTest.java | 328 + "lux=\"32.2,31.1\" luxTimestamps=\""
336 + "lux=\"132.2,131.1\" luxTimestamps=\""
344 + "lux=\"32.2,31.1\" luxTimestamps=\""
419 // Missing lux value.
645 private SensorEvent createSensorEvent(float lux) { argument
655 event.values[0] = lux;
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