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.test.silkfx.common
18 
19 import android.content.Context
20 import android.graphics.Color
21 import android.graphics.ColorSpace
22 import android.util.AttributeSet
23 import android.view.View
24 
25 open class BaseDrawingView : View {
26     val sRGB = ColorSpace.get(ColorSpace.Named.SRGB)
27     val displayP3 = ColorSpace.get(ColorSpace.Named.DISPLAY_P3)
28     val scRGB = ColorSpace.get(ColorSpace.Named.EXTENDED_SRGB)
29     val bt2020 = ColorSpace.get(ColorSpace.Named.BT2020)
30     val bt2020_pq = ColorSpace.get(ColorSpace.Named.BT2020_PQ)
31     val lab = ColorSpace.get(ColorSpace.Named.CIE_LAB)
32 
33     val density: Float
34     val dp: Int.() -> Float
35 
36     fun color(red: Float, green: Float, blue: Float, alpha: Float = 1f): Long {
37         return Color.pack(red, green, blue, alpha, scRGB)
38     }
39 
40     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
41         setWillNotDraw(false)
42         isClickable = true
43         density = resources.displayMetrics.density
44         dp = { this * density }
45     }
46 }