1 /*
2  * Copyright 2017, 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 package com.android.managedprovisioning.preprovisioning.anim;
17 
18 import android.graphics.Color;
19 
20 public class ColorMatcher {
21     private static final int MAX_VALUE = 0xff;
22     private static final int BUCKET_SIZE = 32;
23 
findClosestColor(int targetColor)24     public int findClosestColor(int targetColor) {
25         int r = bucketize(Color.red(targetColor));
26         int g = bucketize(Color.green(targetColor));
27         int b = bucketize(Color.blue(targetColor));
28 
29         return Color.argb(MAX_VALUE, r, g, b);
30     }
31 
bucketize(int value)32     private int bucketize(int value) {
33         int result = (int) Math.round(((double) value / BUCKET_SIZE)) * BUCKET_SIZE;
34         return Math.min(MAX_VALUE, result);
35     }
36 }