Add monet to AOSP (6844741f) · Commits · e / os / android_frameworks_base

core/java/android/app/DisabledWallpaperManager.java

+21 −10

Original line number	Diff line number	Diff line
		@@ -74,6 +74,11 @@ final class DisabledWallpaperManager extends WallpaperManager {
		return false;
		}

		private static int unsupportedInt() {
		if (DEBUG) Log.w(TAG, "unsupported method called; returning -1", new Exception());
		return -1;
		}

		@Override
		public Drawable getDrawable() {
		return unsupported();
		@@ -189,12 +194,12 @@ final class DisabledWallpaperManager extends WallpaperManager {

		@Override
		public int getWallpaperId(int which) {
		return unsupported();
		return unsupportedInt();
		}

		@Override
		public int getWallpaperIdForUser(int which, int userId) {
		return unsupported();
		return unsupportedInt();
		}

		@Override
		@@ -209,7 +214,8 @@ final class DisabledWallpaperManager extends WallpaperManager {

		@Override
		public int setResource(int resid, int which) throws IOException {
		return unsupported();
		unsupported();
		return 0;
		}

		@Override
		@@ -220,19 +226,22 @@ final class DisabledWallpaperManager extends WallpaperManager {
		@Override
		public int setBitmap(Bitmap fullImage, Rect visibleCropHint, boolean allowBackup)
		throws IOException {
		return unsupported();
		unsupported();
		return 0;
		}

		@Override
		public int setBitmap(Bitmap fullImage, Rect visibleCropHint, boolean allowBackup, int which)
		throws IOException {
		return unsupported();
		unsupported();
		return 0;
		}

		@Override
		public int setBitmap(Bitmap fullImage, Rect visibleCropHint, boolean allowBackup, int which,
		int userId) throws IOException {
		return unsupported();
		unsupported();
		return 0;
		}

		@Override
		@@ -243,13 +252,15 @@ final class DisabledWallpaperManager extends WallpaperManager {
		@Override
		public int setStream(InputStream bitmapData, Rect visibleCropHint, boolean allowBackup)
		throws IOException {
		return unsupported();
		unsupported();
		return 0;
		}

		@Override
		public int setStream(InputStream bitmapData, Rect visibleCropHint, boolean allowBackup,
		int which) throws IOException {
		return unsupported();
		unsupported();
		return 0;
		}

		@Override
		@@ -259,12 +270,12 @@ final class DisabledWallpaperManager extends WallpaperManager {

		@Override
		public int getDesiredMinimumWidth() {
		return unsupported();
		return unsupportedInt();
		}

		@Override
		public int getDesiredMinimumHeight() {
		return unsupported();
		return unsupportedInt();
		}

		@Override

packages/SystemUI/Android.bp

+2 −0

Original line number	Diff line number	Diff line
		@@ -92,6 +92,7 @@ android_library {
		"iconloader_base",
		"SystemUI-tags",
		"SystemUI-proto",
		"monet",
		"dagger2",
		"jsr330",
		"lottie",
		@@ -179,6 +180,7 @@ android_library {
		"mockito-target-extended-minus-junit4",
		"testables",
		"truth-prebuilt",
		"monet",
		"dagger2",
		"jsr330",
		"WindowManager-Shell",

packages/SystemUI/monet/Android.bp

0 → 100644

+31 −0

Original line number	Diff line number	Diff line
		//
		// Copyright (C) 2021 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 {
		default_applicable_licenses: ["Android-Apache-2.0"],
		}

		java_library {
		name: "monet",
		platform_apis: true,
		static_libs: [
		"androidx.annotation_annotation",
		"androidx.core_core",
		],
		srcs: [
		"src/*/.java",
		"src/*/.kt",
		],
		}

packages/SystemUI/monet/AndroidManifest.xml

0 → 100644

+20 −0

Original line number	Diff line number	Diff line
		<?xml version="1.0" encoding="utf-8"?>
		<!--
		Copyright (C) 2021 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.
		-->

		<manifest xmlns:android="http://schemas.android.com/apk/res/android"
		package="com.android.systemui.monet">
		</manifest>

packages/SystemUI/monet/src/com/android/systemui/monet/ColorScheme.kt

0 → 100644

+246 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 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.systemui.monet

		import android.annotation.ColorInt
		import android.app.WallpaperColors
		import android.graphics.Color
		import com.android.internal.graphics.ColorUtils
		import com.android.internal.graphics.cam.Cam
		import com.android.internal.graphics.cam.CamUtils.lstarFromInt
		import kotlin.math.absoluteValue
		import kotlin.math.roundToInt

		const val TAG = "ColorScheme"

		const val ACCENT1_CHROMA = 48.0f
		const val ACCENT2_CHROMA = 16.0f
		const val ACCENT3_CHROMA = 32.0f
		const val ACCENT3_HUE_SHIFT = 60.0f

		const val NEUTRAL1_CHROMA = 4.0f
		const val NEUTRAL2_CHROMA = 8.0f

		const val GOOGLE_BLUE = 0xFF1b6ef3.toInt()

		const val MIN_CHROMA = 15
		const val MIN_LSTAR = 10

		public class ColorScheme(@ColorInt seed: Int, val darkTheme: Boolean) {

		val accent1: List<Int>
		val accent2: List<Int>
		val accent3: List<Int>
		val neutral1: List<Int>
		val neutral2: List<Int>

		constructor(wallpaperColors: WallpaperColors, darkTheme: Boolean):
		this(getSeedColor(wallpaperColors), darkTheme)

		val allAccentColors: List<Int>
		get() {
		val allColors = mutableListOf<Int>()
		allColors.addAll(accent1)
		allColors.addAll(accent2)
		allColors.addAll(accent3)
		return allColors
		}

		val allNeutralColors: List<Int>
		get() {
		val allColors = mutableListOf<Int>()
		allColors.addAll(neutral1)
		allColors.addAll(neutral2)
		return allColors
		}

		val backgroundColor
		get() = ColorUtils.setAlphaComponent(if (darkTheme) neutral1[8] else neutral1[0], 0xFF)

		val accentColor
		get() = ColorUtils.setAlphaComponent(if (darkTheme) accent1[2] else accent1[6], 0xFF)

		init {
		val seedArgb = if (seed == Color.TRANSPARENT) GOOGLE_BLUE else seed
		val camSeed = Cam.fromInt(seedArgb)
		val hue = camSeed.hue
		val chroma = camSeed.chroma.coerceAtLeast(ACCENT1_CHROMA)
		accent1 = Shades.of(hue, chroma).toList()
		accent2 = Shades.of(hue, ACCENT2_CHROMA).toList()
		accent3 = Shades.of(hue + ACCENT3_HUE_SHIFT, ACCENT3_CHROMA).toList()
		neutral1 = Shades.of(hue, NEUTRAL1_CHROMA).toList()
		neutral2 = Shades.of(hue, NEUTRAL2_CHROMA).toList()
		}

		override fun toString(): String {
		return "ColorScheme {\n" +
		" neutral1: ${humanReadable(neutral1)}\n" +
		" neutral2: ${humanReadable(neutral2)}\n" +
		" accent1: ${humanReadable(accent1)}\n" +
		" accent2: ${humanReadable(accent2)}\n" +
		" accent3: ${humanReadable(accent3)}\n" +
		"}"
		}

		companion object {
		/**
		* Identifies a color to create a color scheme from.
		*
		* @param wallpaperColors Colors extracted from an image via quantization.
		* @return ARGB int representing the color
		*/
		@JvmStatic
		@ColorInt
		fun getSeedColor(wallpaperColors: WallpaperColors): Int {
		return getSeedColors(wallpaperColors).first()
		}

		/**
		* Filters and ranks colors from WallpaperColors.
		*
		* @param wallpaperColors Colors extracted from an image via quantization.
		* @return List of ARGB ints, ordered from highest scoring to lowest.
		*/
		@JvmStatic
		fun getSeedColors(wallpaperColors: WallpaperColors): List<Int> {
		val totalPopulation = wallpaperColors.allColors.values.reduce { a, b -> a + b }
		.toDouble()
		val totalPopulationMeaningless = (totalPopulation == 0.0)
		if (totalPopulationMeaningless) {
		// WallpaperColors with a population of 0 indicate the colors didn't come from
		// quantization. Instead of scoring, trust the ordering of the provided primary
		// secondary/tertiary colors.
		//
		// In this case, the colors are usually from a Live Wallpaper.
		val distinctColors = wallpaperColors.mainColors.map {
		it.toArgb()
		}.distinct().filter {
		val cam = Cam.fromInt(it)
		val lstar = lstarFromInt(it)
		cam.chroma >= MIN_CHROMA && lstar >= MIN_LSTAR
		}.toList()

		if (distinctColors.isEmpty()) {
		return listOf(GOOGLE_BLUE)
		}
		return distinctColors
		}

		val intToProportion = wallpaperColors.allColors.mapValues {
		it.value.toDouble() / totalPopulation
		}
		val intToCam = wallpaperColors.allColors.mapValues { Cam.fromInt(it.key) }

		// Get an array with 360 slots. A slot contains the percentage of colors with that hue.
		val hueProportions = huePopulations(intToCam, intToProportion)
		// Map each color to the percentage of the image with its hue.
		val intToHueProportion = wallpaperColors.allColors.mapValues {
		val cam = intToCam[it.key]!!
		val hue = cam.hue.roundToInt()
		var proportion = 0.0
		for (i in hue - 15..hue + 15) {
		proportion += hueProportions[wrapDegrees(i)]
		}
		proportion
		}
		// Remove any inappropriate seed colors. For example, low chroma colors look grayscale
		// raising their chroma will turn them to a much louder color that may not have been
		// in the image.
		val filteredIntToCam = intToCam.filter {
		val cam = it.value
		val lstar = lstarFromInt(it.key)
		val proportion = intToHueProportion[it.key]!!
		cam.chroma >= MIN_CHROMA && lstar >= MIN_LSTAR &&
		(totalPopulationMeaningless \|\| proportion > 0.01)
		}
		// Sort the colors by score, from high to low.
		val seeds = mutableListOf<Int>()
		val intToScoreIntermediate = filteredIntToCam.mapValues {
		score(it.value, intToHueProportion[it.key]!!)
		}
		val intToScore = intToScoreIntermediate.entries.toMutableList()
		intToScore.sortByDescending { it.value }

		// Go through the colors, from high score to low score. If there isn't already a seed
		// color with a hue close to color being examined, add the color being examined to the
		// seed colors.
		for (entry in intToScore) {
		val int = entry.key
		val existingSeedNearby = seeds.find {
		val hueA = intToCam[int]!!.hue
		val hueB = intToCam[it]!!.hue
		hueDiff(hueA, hueB) < 15 } != null
		if (existingSeedNearby) {
		continue
		}
		seeds.add(int)
		}

		if (seeds.isEmpty()) {
		// Use gBlue 500 if there are 0 colors
		seeds.add(GOOGLE_BLUE)
		}

		return seeds
		}

		private fun wrapDegrees(degrees: Int): Int {
		return when {
		degrees < 0 -> {
		(degrees % 360) + 360
		}
		degrees >= 360 -> {
		degrees % 360
		}
		else -> {
		degrees
		}
		}
		}

		private fun hueDiff(a: Float, b: Float): Float {
		return 180f - ((a - b).absoluteValue - 180f).absoluteValue
		}

		private fun humanReadable(colors: List<Int>): String {
		return colors.joinToString { "#" + Integer.toHexString(it) }
		}

		private fun score(cam: Cam, proportion: Double): Double {
		val proportionScore = 0.7 * 100.0 * proportion
		val chromaScore = if (cam.chroma < ACCENT1_CHROMA) 0.1 * (cam.chroma - ACCENT1_CHROMA)
		else 0.3 * (cam.chroma - ACCENT1_CHROMA)
		return chromaScore + proportionScore
		}

		private fun huePopulations(
		camByColor: Map<Int, Cam>,
		populationByColor: Map<Int, Double>
		): List<Double> {
		val huePopulation = List(size = 360, init = { 0.0 }).toMutableList()

		for (entry in populationByColor.entries) {
		val population = populationByColor[entry.key]!!
		val cam = camByColor[entry.key]!!
		val hue = cam.hue.roundToInt() % 360
		huePopulation[hue] = huePopulation[hue] + population
		}

		return huePopulation
		}
		}
		}
		No newline at end of file