1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.systemui.monet;
18 
19 import java.util.Arrays;
20 import java.util.List;
21 import java.util.Map;
22 import java.util.stream.Collectors;
23 
24 public class TonalPalette {
25     private final com.google.ux.material.libmonet.palettes.TonalPalette mMaterialTonalPalette;
26     /**
27      * @deprecated Do not use. For color system only
28      */
29     @Deprecated
30     public final List<Integer> allShades;
31     public final Map<Integer, Integer> allShadesMapped;
32 
TonalPalette(com.google.ux.material.libmonet.palettes.TonalPalette materialTonalPalette)33     TonalPalette(com.google.ux.material.libmonet.palettes.TonalPalette materialTonalPalette) {
34         this.mMaterialTonalPalette = materialTonalPalette;
35         this.allShades = SHADE_KEYS.stream().map(key -> getAtTone(key.floatValue())).collect(
36                 Collectors.toList());
37         this.allShadesMapped = SHADE_KEYS.stream().collect(
38                 Collectors.toMap(key -> key, key -> getAtTone(key.floatValue())));
39     }
40 
41     /**
42      * Dynamically computed tones across the full range from 0 to 1000
43      * @param shade expected shade from 0 (white) to 1000 (black)
44      * @return Int representing color at new shade / tone
45      */
getAtTone(float shade)46     public int getAtTone(float shade) {
47         return mMaterialTonalPalette.tone((int) ((1000.0f - shade) / 10f));
48     }
49 
50     // Predefined & precomputed tones
getS0()51     public int getS0() {
52         return this.allShades.get(0);
53     }
54 
getS10()55     public int getS10() {
56         return this.allShades.get(1);
57     }
58 
getS50()59     public int getS50() {
60         return this.allShades.get(2);
61     }
62 
getS100()63     public int getS100() {
64         return this.allShades.get(3);
65     }
66 
getS200()67     public int getS200() {
68         return this.allShades.get(4);
69     }
70 
getS300()71     public int getS300() {
72         return this.allShades.get(5);
73     }
74 
getS400()75     public int getS400() {
76         return this.allShades.get(6);
77     }
78 
getS500()79     public int getS500() {
80         return this.allShades.get(7);
81     }
82 
getS600()83     public int getS600() {
84         return this.allShades.get(8);
85     }
86 
getS700()87     public int getS700() {
88         return this.allShades.get(9);
89     }
90 
getS800()91     public int getS800() {
92         return this.allShades.get(10);
93     }
94 
getS900()95     public int getS900() {
96         return this.allShades.get(11);
97     }
98 
getS1000()99     public int getS1000() {
100         return this.allShades.get(12);
101     }
102 
103     public static final List<Integer> SHADE_KEYS = Arrays.asList(0, 10, 50, 100, 200, 300, 400, 500,
104             600, 700, 800, 900, 1000);
105 }
106