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.hdr 18 19 import android.content.Context 20 import android.graphics.Canvas 21 import android.graphics.Color 22 import android.graphics.LinearGradient 23 import android.graphics.Paint 24 import android.graphics.RectF 25 import android.graphics.Shader 26 import android.util.AttributeSet 27 import com.android.test.silkfx.common.BaseDrawingView 28 29 class GlowingCard : BaseDrawingView { 30 31 constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) 32 33 val radius: Float 34 var COLOR_MAXIMIZER = 1f 35 36 init { 37 radius = 10.dp() 38 } 39 setGlowIntensitynull40 fun setGlowIntensity(multiplier: Float) { 41 COLOR_MAXIMIZER = multiplier 42 invalidate() 43 } 44 setPressednull45 override fun setPressed(pressed: Boolean) { 46 super.setPressed(pressed) 47 invalidate() 48 } 49 onDrawnull50 override fun onDraw(canvas: Canvas) { 51 super.onDraw(canvas) 52 val paint = Paint() 53 paint.isAntiAlias = true 54 val rect = RectF(0f, 0f, width.toFloat(), height.toFloat()) 55 val glowColor = Color.pack(.5f * COLOR_MAXIMIZER, .4f * COLOR_MAXIMIZER, 56 .75f * COLOR_MAXIMIZER, 1f, scRGB) 57 58 if (isPressed) { 59 paint.setColor(Color.pack(2f, 2f, 2f, 1f, scRGB)) 60 paint.strokeWidth = 4.dp() 61 paint.style = Paint.Style.FILL 62 paint.shader = LinearGradient(rect.left, rect.bottom, rect.right, rect.top, 63 glowColor, 64 Color.pack(0f, 0f, 0f, 0f, scRGB), 65 Shader.TileMode.CLAMP) 66 canvas.drawRoundRect(rect, radius, radius, paint) 67 } 68 69 rect.inset(3.dp(), 3.dp()) 70 71 paint.setColor(Color.pack(.14f, .14f, .14f, .8f, scRGB)) 72 paint.style = Paint.Style.FILL 73 paint.shader = null 74 canvas.drawRoundRect(rect, radius, radius, paint) 75 76 rect.inset(5.dp(), 5.dp()) 77 paint.textSize = 14.dp() 78 paint.isFakeBoldText = true 79 80 paint.color = Color.WHITE 81 canvas.drawText("glow = scRGB{${Color.red(glowColor)}, ${Color.green(glowColor)}, " + 82 "${Color.blue(glowColor)}}", rect.left, rect.centerY(), paint) 83 canvas.drawText("(press to activate)", rect.left, rect.bottom, paint) 84 } 85 }