Split global saturation into a dedicated helper (7119e99d) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/display/color/ColorDisplayService.java

+8 −137

Original line number	Diff line number	Diff line
		@@ -26,7 +26,6 @@ import static android.hardware.display.ColorDisplayManager.COLOR_MODE_SATURATED;

		import static com.android.server.display.color.DisplayTransformManager.LEVEL_COLOR_MATRIX_DISPLAY_WHITE_BALANCE;
		import static com.android.server.display.color.DisplayTransformManager.LEVEL_COLOR_MATRIX_NIGHT_DISPLAY;
		import static com.android.server.display.color.DisplayTransformManager.LEVEL_COLOR_MATRIX_SATURATION;

		import android.Manifest;
		import android.animation.Animator;
		@@ -88,19 +87,13 @@ import java.time.LocalDateTime;
		import java.time.LocalTime;
		import java.time.ZoneId;
		import java.time.format.DateTimeParseException;
		import java.util.Arrays;

		/**
		* Controls the display's color transforms.
		*/
		public final class ColorDisplayService extends SystemService {

		private static final String TAG = "ColorDisplayService";

		/**
		* The transition time, in milliseconds, for Night Display to turn on/off.
		*/
		private static final long TRANSITION_DURATION = 3000L;
		static final String TAG = "ColorDisplayService";

		/**
		* The identity matrix, used if one of the given matrices is {@code null}.
		@@ -111,6 +104,11 @@ public final class ColorDisplayService extends SystemService {
		Matrix.setIdentityM(MATRIX_IDENTITY, 0);
		}

		/**
		* The transition time, in milliseconds, for Night Display to turn on/off.
		*/
		private static final long TRANSITION_DURATION = 3000L;

		private static final int MSG_APPLY_NIGHT_DISPLAY_IMMEDIATE = 0;
		private static final int MSG_APPLY_NIGHT_DISPLAY_ANIMATED = 1;
		private static final int MSG_APPLY_GLOBAL_SATURATION = 2;
		@@ -133,59 +131,8 @@ public final class ColorDisplayService extends SystemService {
		final DisplayWhiteBalanceTintController mDisplayWhiteBalanceTintController =
		new DisplayWhiteBalanceTintController();

		private final TintController mGlobalSaturationTintController = new TintController() {

		private float[] mMatrixGlobalSaturation = new float[16];

		@Override
		public void setUp(Context context, boolean needsLinear) {
		}

		@Override
		public float[] getMatrix() {
		return Arrays.copyOf(mMatrixGlobalSaturation, mMatrixGlobalSaturation.length);
		}

		@Override
		public void setMatrix(int saturationLevel) {
		if (saturationLevel < 0) {
		saturationLevel = 0;
		} else if (saturationLevel > 100) {
		saturationLevel = 100;
		}
		Slog.d(TAG, "Setting saturation level: " + saturationLevel);

		if (saturationLevel == 100) {
		setActivated(false);
		Matrix.setIdentityM(mMatrixGlobalSaturation, 0);
		} else {
		setActivated(true);
		float saturation = saturationLevel * 0.1f;
		float desaturation = 1.0f - saturation;
		float[] luminance = {0.231f * desaturation, 0.715f * desaturation,
		0.072f * desaturation};
		mMatrixGlobalSaturation[0] = luminance[0] + saturation;
		mMatrixGlobalSaturation[1] = luminance[0];
		mMatrixGlobalSaturation[2] = luminance[0];
		mMatrixGlobalSaturation[4] = luminance[1];
		mMatrixGlobalSaturation[5] = luminance[1] + saturation;
		mMatrixGlobalSaturation[6] = luminance[1];
		mMatrixGlobalSaturation[8] = luminance[2];
		mMatrixGlobalSaturation[9] = luminance[2];
		mMatrixGlobalSaturation[10] = luminance[2] + saturation;
		}
		}

		@Override
		public int getLevel() {
		return LEVEL_COLOR_MATRIX_SATURATION;
		}

		@Override
		public boolean isAvailable(Context context) {
		return ColorDisplayManager.isColorTransformAccelerated(context);
		}
		};
		private final TintController mGlobalSaturationTintController =
		new GlobalSaturationTintController();

		/**
		* Matrix and offset used for converting color to grayscale.
		@@ -1084,82 +1031,6 @@ public final class ColorDisplayService extends SystemService {
		}
		}

		private abstract static class TintController {

		private ValueAnimator mAnimator;
		private Boolean mIsActivated;

		public ValueAnimator getAnimator() {
		return mAnimator;
		}

		public void setAnimator(ValueAnimator animator) {
		mAnimator = animator;
		}

		/**
		* Cancel the animator if it's still running.
		*/
		public void cancelAnimator() {
		if (mAnimator != null) {
		mAnimator.cancel();
		}
		}

		/**
		* End the animator if it's still running, jumping to the end state.
		*/
		public void endAnimator() {
		if (mAnimator != null) {
		mAnimator.end();
		mAnimator = null;
		}
		}

		public void setActivated(Boolean isActivated) {
		mIsActivated = isActivated;
		}

		public boolean isActivated() {
		return mIsActivated != null && mIsActivated;
		}

		public boolean isActivatedStateNotSet() {
		return mIsActivated == null;
		}

		/**
		* Dump debug information.
		*/
		public void dump(PrintWriter pw) {
		}

		/**
		* Set up any constants needed for computing the matrix.
		*/
		public abstract void setUp(Context context, boolean needsLinear);

		/**
		* Sets the 4x4 matrix to apply.
		*/
		public abstract void setMatrix(int value);

		/**
		* Get the 4x4 matrix to apply.
		*/
		public abstract float[] getMatrix();

		/**
		* Get the color transform level to apply the matrix.
		*/
		public abstract int getLevel();

		/**
		* Returns whether or not this transform type is available on this device.
		*/
		public abstract boolean isAvailable(Context context);
		}

		private final class NightDisplayTintController extends TintController {

		private final float[] mMatrix = new float[16];

services/core/java/com/android/server/display/color/GlobalSaturationTintController.java

0 → 100644

+81 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.
		*/

		package com.android.server.display.color;

		import static com.android.server.display.color.DisplayTransformManager.LEVEL_COLOR_MATRIX_SATURATION;

		import android.content.Context;
		import android.hardware.display.ColorDisplayManager;
		import android.opengl.Matrix;
		import android.util.Slog;

		import java.util.Arrays;

		/** Control the color transform for global device saturation. */
		public class GlobalSaturationTintController extends TintController {

		private final float[] mMatrixGlobalSaturation = new float[16];

		@Override
		public void setUp(Context context, boolean needsLinear) {
		}

		@Override
		public float[] getMatrix() {
		return Arrays.copyOf(mMatrixGlobalSaturation, mMatrixGlobalSaturation.length);
		}

		@Override
		public void setMatrix(int saturationLevel) {
		if (saturationLevel < 0) {
		saturationLevel = 0;
		} else if (saturationLevel > 100) {
		saturationLevel = 100;
		}
		Slog.d(ColorDisplayService.TAG, "Setting saturation level: " + saturationLevel);

		if (saturationLevel == 100) {
		setActivated(false);
		Matrix.setIdentityM(mMatrixGlobalSaturation, 0);
		} else {
		setActivated(true);
		float saturation = saturationLevel * 0.01f;
		float desaturation = 1.0f - saturation;
		float[] luminance = {0.231f * desaturation, 0.715f * desaturation,
		0.072f * desaturation};
		mMatrixGlobalSaturation[0] = luminance[0] + saturation;
		mMatrixGlobalSaturation[1] = luminance[0];
		mMatrixGlobalSaturation[2] = luminance[0];
		mMatrixGlobalSaturation[4] = luminance[1];
		mMatrixGlobalSaturation[5] = luminance[1] + saturation;
		mMatrixGlobalSaturation[6] = luminance[1];
		mMatrixGlobalSaturation[8] = luminance[2];
		mMatrixGlobalSaturation[9] = luminance[2];
		mMatrixGlobalSaturation[10] = luminance[2] + saturation;
		}
		}

		@Override
		public int getLevel() {
		return LEVEL_COLOR_MATRIX_SATURATION;
		}

		@Override
		public boolean isAvailable(Context context) {
		return ColorDisplayManager.isColorTransformAccelerated(context);
		}
		}

services/core/java/com/android/server/display/color/TintController.java

0 → 100644

+98 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.
		*/

		package com.android.server.display.color;

		import android.animation.ValueAnimator;
		import android.content.Context;

		import java.io.PrintWriter;

		abstract class TintController {

		private ValueAnimator mAnimator;
		private Boolean mIsActivated;

		public ValueAnimator getAnimator() {
		return mAnimator;
		}

		public void setAnimator(ValueAnimator animator) {
		mAnimator = animator;
		}

		/**
		* Cancel the animator if it's still running.
		*/
		public void cancelAnimator() {
		if (mAnimator != null) {
		mAnimator.cancel();
		}
		}

		/**
		* End the animator if it's still running, jumping to the end state.
		*/
		public void endAnimator() {
		if (mAnimator != null) {
		mAnimator.end();
		mAnimator = null;
		}
		}

		public void setActivated(Boolean isActivated) {
		mIsActivated = isActivated;
		}

		public boolean isActivated() {
		return mIsActivated != null && mIsActivated;
		}

		public boolean isActivatedStateNotSet() {
		return mIsActivated == null;
		}

		/**
		* Dump debug information.
		*/
		public void dump(PrintWriter pw) {
		}

		/**
		* Set up any constants needed for computing the matrix.
		*/
		public abstract void setUp(Context context, boolean needsLinear);

		/**
		* Sets the 4x4 matrix to apply.
		*/
		public abstract void setMatrix(int value);

		/**
		* Get the 4x4 matrix to apply.
		*/
		public abstract float[] getMatrix();

		/**
		* Get the color transform level to apply the matrix.
		*/
		public abstract int getLevel();

		/**
		* Returns whether or not this transform type is available on this device.
		*/
		public abstract boolean isAvailable(Context context);
		}

services/tests/servicestests/src/com/android/server/display/color/GlobalSaturationTintControllerTest.java

0 → 100644

+48 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.
		*/

		package com.android.server.display.color;

		import static com.google.common.truth.Truth.assertThat;

		import android.opengl.Matrix;

		import androidx.test.runner.AndroidJUnit4;

		import org.junit.Test;
		import org.junit.runner.RunWith;

		@RunWith(AndroidJUnit4.class)
		public class GlobalSaturationTintControllerTest {

		@Test
		public void setAndGetMatrix() {
		final GlobalSaturationTintController tintController = new GlobalSaturationTintController();
		tintController.setMatrix(50);
		assertThat(tintController.getMatrix()).hasValuesWithin(0.00001f)
		.of(new float[]{0.6155f, 0.1155f, 0.1155f, 0.0f, 0.3575f, 0.85749996f, 0.3575f,
		0.0f, 0.036f, 0.036f, 0.536f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f});
		}

		@Test
		public void resetMatrix() {
		final GlobalSaturationTintController tintController = new GlobalSaturationTintController();
		tintController.setMatrix(100);
		final float[] matrix = new float[16];
		Matrix.setIdentityM(matrix, 0);
		assertThat(tintController.getMatrix()).hasValuesWithin(0.00001f).of(matrix);
		}
		}