1 /* 2 * Copyright (C) 2018 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.egg.paint 18 19 import android.content.Context 20 import android.graphics.* 21 import android.graphics.PixelFormat.TRANSLUCENT 22 import android.graphics.drawable.Drawable 23 import android.util.DisplayMetrics 24 25 class BrushPropertyDrawable : Drawable { <lambda>null26 val framePaint = Paint(Paint.ANTI_ALIAS_FLAG).also { 27 it.color = Color.BLACK 28 it.style = Paint.Style.FILL 29 } <lambda>null30 val wellPaint = Paint(Paint.ANTI_ALIAS_FLAG).also { 31 it.color = Color.RED 32 it.style = Paint.Style.FILL 33 } 34 35 constructor(context: Context) { 36 _size = (24 * context.resources.displayMetrics.density).toInt() 37 } 38 39 private var _size = 24 40 private var _scale = 1f 41 setFrameColornull42 fun setFrameColor(color: Int) { 43 framePaint.color = color 44 invalidateSelf() 45 } 46 setWellColornull47 fun setWellColor(color: Int) { 48 wellPaint.color = color 49 invalidateSelf() 50 } 51 setWellScalenull52 fun setWellScale(scale: Float) { 53 _scale = scale 54 invalidateSelf() 55 } 56 getIntrinsicWidthnull57 override fun getIntrinsicWidth(): Int { 58 return _size 59 } 60 getIntrinsicHeightnull61 override fun getIntrinsicHeight(): Int { 62 return _size 63 } 64 drawnull65 override fun draw(c: Canvas?) { 66 c?.let { 67 val w = bounds.width().toFloat() 68 val h = bounds.height().toFloat() 69 val inset = _size / 12 // 2dp in a 24x24 icon 70 val r = Math.min(w, h) / 2 71 72 c.drawCircle(w/2, h/2, (r - inset) * _scale + 1 , wellPaint) 73 74 val p = Path() 75 p.addCircle(w/2, h/2, r, Path.Direction.CCW) 76 p.addCircle(w/2, h/2, r - inset, Path.Direction.CW) 77 c.drawPath(p, framePaint) 78 } 79 } 80 setAlphanull81 override fun setAlpha(p0: Int) { 82 // 83 } 84 getOpacitynull85 override fun getOpacity(): Int { 86 return TRANSLUCENT 87 } 88 setColorFilternull89 override fun setColorFilter(p0: ColorFilter?) { 90 // 91 } 92 93 }