1 /*
2  * Copyright (C) 2020 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.server.wm.traces.common
18 
19 data class Color(val r: Float, val g: Float, val b: Float, val a: Float) {
20     val isEmpty: Boolean
21         get() = a == 0f || r < 0 || g < 0 || b < 0
22 
23     val isNotEmpty: Boolean
24         get() = !isEmpty
25 
prettyPrintnull26     fun prettyPrint(): String = prettyPrint(this)
27 
28     override fun toString(): String = if (isEmpty) "[empty]" else prettyPrint()
29 
30     override fun equals(other: Any?): Boolean {
31         if (this === other) return true
32         if (other !is Color) return false
33 
34         if (r != other.r) return false
35         if (g != other.g) return false
36         if (b != other.b) return false
37         if (a != other.a) return false
38 
39         return true
40     }
41 
hashCodenull42     override fun hashCode(): Int {
43         var result = r.hashCode()
44         result = 31 * result + g.hashCode()
45         result = 31 * result + b.hashCode()
46         result = 31 * result + a.hashCode()
47         return result
48     }
49 
50     companion object {
51         val EMPTY = Color(r = -1f, g = -1f, b = -1f, a = 0f)
52 
prettyPrintnull53         fun prettyPrint(color: Color): String {
54             val r = FloatFormatter.format(color.r)
55             val g = FloatFormatter.format(color.g)
56             val b = FloatFormatter.format(color.b)
57             val a = FloatFormatter.format(color.a)
58             return "r:$r g:$g b:$b a:$a"
59         }
60     }
61 }