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/*
* 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.app.WallpaperColors;
import android.graphics.Color;
import android.testing.AndroidTestingRunner;
import android.util.Log;
import androidx.test.filters.SmallTest;
import com.android.internal.graphics.cam.Cam;
import com.android.systemui.SysuiTestCase;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
@SmallTest
@RunWith(AndroidTestingRunner.class)
public class ColorSchemeTest extends SysuiTestCase {
@Test
public void testFilterTransparency() {
ColorScheme colorScheme = new ColorScheme(Color.TRANSPARENT, false /* darkTheme */);
Assert.assertEquals(colorScheme.getAllAccentColors(),
new ColorScheme(0xFF1b6ef3, false).getAllAccentColors());
}
@Test
public void testDontFilterOpaque() {
ColorScheme colorScheme = new ColorScheme(0xFFFF0000, false /* darkTheme */);
Assert.assertNotEquals(colorScheme.getAllAccentColors(),
new ColorScheme(0xFF1b6ef3, false).getAllAccentColors());
}
@Test
public void testUniqueColors() {
WallpaperColors wallpaperColors = new WallpaperColors(Color.valueOf(0xffaec00a),
Color.valueOf(0xffaec00a), Color.valueOf(0xffaec00a));
List<Integer> rankedSeedColors = ColorScheme.getSeedColors(wallpaperColors);
Assert.assertEquals(rankedSeedColors, List.of(0xffaec00a));
}
@Test
public void testStyleApplied() {
WallpaperColors wallpaperColors = new WallpaperColors(Color.valueOf(0xffaec00a),
null, null);
// Expressive applies hue rotations to the theme color. The input theme color has hue
// 117, ensuring the hue changed significantly is a strong signal styles are being applied.
ColorScheme colorScheme = new ColorScheme(wallpaperColors, false, Style.EXPRESSIVE);
Assert.assertEquals(357.77, Cam.fromInt(colorScheme.getAccent1().get(6)).getHue(), 0.1);
}
@Test
public void testFiltersInvalidColors() {
WallpaperColors wallpaperColors = new WallpaperColors(Color.valueOf(0xff5e7ea2),
Color.valueOf(0xff5e7ea2), Color.valueOf(0xff000000));
List<Integer> rankedSeedColors = ColorScheme.getSeedColors(wallpaperColors);
Assert.assertEquals(rankedSeedColors, List.of(0xff5e7ea2));
}
@Test
public void testInvalidColorBecomesGBlue() {
WallpaperColors wallpaperColors = new WallpaperColors(Color.valueOf(0xff000000), null,
null);
List<Integer> rankedSeedColors = ColorScheme.getSeedColors(wallpaperColors);
Assert.assertEquals(rankedSeedColors, List.of(0xFF1b6ef3));
}
@Test
public void testDontFilterRRGGBB() {
ColorScheme colorScheme = new ColorScheme(0xFF0000, false /* darkTheme */);
Assert.assertEquals(colorScheme.getAllAccentColors(),
new ColorScheme(0xFFFF0000, false).getAllAccentColors());
}
@Test
public void testNoPopulationSignal() {
WallpaperColors wallpaperColors = new WallpaperColors(Color.valueOf(0xffaec00a),
Color.valueOf(0xffbe0000), Color.valueOf(0xffcc040f));
List<Integer> rankedSeedColors = ColorScheme.getSeedColors(wallpaperColors);
Assert.assertEquals(rankedSeedColors, List.of(0xffaec00a, 0xffbe0000, 0xffcc040f));
}
@Test
public void testTertiaryHueWrapsProperly() {
int colorInt = 0xffB3588A; // H350 C50 T50
ColorScheme colorScheme = new ColorScheme(colorInt, false /* darkTheme */);
int tertiaryMid = colorScheme.getAccent3().get(colorScheme.getAccent3().size() / 2);
Cam cam = Cam.fromInt(tertiaryMid);
Assert.assertEquals(cam.getHue(), 50.0, 10.0);
}
@Test
public void testSpritz() {
int colorInt = 0xffB3588A; // H350 C50 T50
ColorScheme colorScheme = new ColorScheme(colorInt, false /* darkTheme */,
Style.SPRITZ /* style */);
int primaryMid = colorScheme.getAccent1().get(colorScheme.getAccent1().size() / 2);
Cam cam = Cam.fromInt(primaryMid);
Assert.assertEquals(cam.getChroma(), 12.0, 1.0);
}
@Test
public void testVibrant() {
int colorInt = 0xffB3588A; // H350 C50 T50
ColorScheme colorScheme = new ColorScheme(colorInt, false /* darkTheme */,
Style.VIBRANT /* style */);
int neutralMid = colorScheme.getNeutral1().get(colorScheme.getNeutral1().size() / 2);
Cam cam = Cam.fromInt(neutralMid);
Assert.assertTrue("chroma was " + cam.getChroma(), Math.floor(cam.getChroma()) <= 12.0);
}
@Test
public void testExpressive() {
int colorInt = 0xffB3588A; // H350 C50 T50
ColorScheme colorScheme = new ColorScheme(colorInt, false /* darkTheme */,
Style.EXPRESSIVE /* style */);
int neutralMid = colorScheme.getNeutral1().get(colorScheme.getNeutral1().size() / 2);
Cam cam = Cam.fromInt(neutralMid);
Assert.assertTrue(cam.getChroma() <= 8.0);
}
@Test
@SuppressWarnings("ResultOfMethodCallIgnored")
public void testToString() {
new ColorScheme(Color.TRANSPARENT, false /* darkTheme */).toString();
new ColorScheme(Color.argb(0, 0, 0, 0xf), false /* darkTheme */).toString();
new ColorScheme(Color.argb(0xff, 0xff, 0, 0), false /* darkTheme */).toString();
new ColorScheme(0xFFFFFFFF, false /* darkTheme */).toString();
new ColorScheme(Color.TRANSPARENT, true /* darkTheme */).toString();
new ColorScheme(Color.argb(0, 0, 0, 0xf), true /* darkTheme */).toString();
new ColorScheme(0xFFFF0000, true /* darkTheme */).toString();
new ColorScheme(0xFFFFFFFF, true /* darkTheme */).toString();
}
/**
* Generate xml for SystemPaletteTest#testThemeStyles().
*/
@Test
public void generateThemeStyles() {
StringBuilder xml = new StringBuilder();
for (int hue = 0; hue < 360; hue += 60) {
final int sourceColor = Cam.getInt(hue, 50f, 50f);
final String sourceColorHex = Integer.toHexString(sourceColor);
xml.append(" <theme color=\"").append(sourceColorHex).append("\">\n");
for (Style style : Style.values()) {
String styleName = style.name().toLowerCase();
ColorScheme colorScheme = new ColorScheme(sourceColor, false, style);
xml.append(" <").append(styleName).append(">");
List<String> colors = new ArrayList<>();
for (Stream<Integer> stream: Arrays.asList(colorScheme.getAccent1().stream(),
colorScheme.getAccent2().stream(),
colorScheme.getAccent3().stream(),
colorScheme.getNeutral1().stream(),
colorScheme.getNeutral2().stream())) {
colors.add("ffffff");
colors.addAll(stream.map(Integer::toHexString).map(s -> s.substring(2)).collect(
Collectors.toList()));
}
xml.append(String.join(",", colors));
xml.append("</").append(styleName).append(">\n");
}
xml.append(" </theme>\n");
}
Log.d("ColorSchemeXml", xml.toString());
}
}
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