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.Canvas
21 import android.graphics.Color
22 import android.graphics.ColorSpace
23 import android.graphics.Paint
24 import android.graphics.RectF
25 import android.util.AttributeSet
26 import android.view.View
27 
28 class HDRIndicator(context: Context) : View(context) {
29     constructor(context: Context, attrs: AttributeSet?) : this(context)
30 
31     val scRGB = ColorSpace.get(ColorSpace.Named.EXTENDED_SRGB)
32 
33     override fun onDraw(canvas: Canvas) {
34         super.onDraw(canvas)
35 
36         val paint = Paint()
37         paint.isAntiAlias = true
38         val rect = RectF(0f, 0f, width.toFloat(), height.toFloat())
39         paint.textSize = height.toFloat()
40 
41         canvas.drawColor(Color.pack(1f, 1f, 1f, 1f, scRGB))
42 
43         paint.setColor(Color.pack(1.1f, 1.1f, 1.1f, 1f, scRGB))
44         canvas.drawText("H", rect.left, rect.bottom, paint)
45         paint.setColor(Color.pack(1.2f, 1.2f, 1.2f, 1f, scRGB))
46         canvas.drawText("D", rect.left + height.toFloat(), rect.bottom, paint)
47         paint.setColor(Color.pack(1.3f, 1.3f, 1.3f, 1f, scRGB))
48         canvas.drawText("R", rect.left + height.toFloat() * 2, rect.bottom, paint)
49     }
50 }