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 androidx.core.graphics.drawable 18 19 import android.graphics.Bitmap.Config 20 import android.graphics.Color 21 import android.graphics.drawable.BitmapDrawable 22 import android.graphics.drawable.ColorDrawable 23 import android.support.test.InstrumentationRegistry 24 import androidx.core.graphics.createBitmap 25 import org.junit.Assert.assertEquals 26 import org.junit.Test 27 28 class DrawableTest { 29 private val context = InstrumentationRegistry.getContext() 30 private val resources = context.resources 31 32 @Test fun bitmapDrawableNoSizeNoConfig() { 33 val original = createBitmap(10, 10).apply { 34 eraseColor(Color.RED) 35 } 36 val drawable = BitmapDrawable(resources, original) 37 38 val bitmap = drawable.toBitmap() 39 assertEquals(10, bitmap.width) 40 assertEquals(10, bitmap.height) 41 assertEquals(Config.ARGB_8888, bitmap.config) 42 assertEquals(Color.RED, bitmap.getPixel(5, 5)) 43 } 44 45 @Test fun bitmapDrawableNoSizeRetainedConfig() { 46 val original = createBitmap(10, 10).apply { 47 eraseColor(Color.RED) 48 } 49 val drawable = BitmapDrawable(resources, original) 50 51 val bitmap = drawable.toBitmap(config = Config.ARGB_8888) 52 assertEquals(10, bitmap.width) 53 assertEquals(10, bitmap.height) 54 assertEquals(Config.ARGB_8888, bitmap.config) 55 assertEquals(Color.RED, bitmap.getPixel(5, 5)) 56 } 57 58 @Test fun bitmapDrawableNoSizeDifferentConfig() { 59 val original = createBitmap(10, 10).apply { 60 eraseColor(Color.RED) 61 } 62 val drawable = BitmapDrawable(resources, original) 63 64 val bitmap = drawable.toBitmap(config = Config.ARGB_8888) 65 assertEquals(10, bitmap.width) 66 assertEquals(10, bitmap.height) 67 assertEquals(Config.ARGB_8888, bitmap.config) 68 assertEquals(Color.RED, bitmap.getPixel(5, 5)) 69 } 70 71 @Test fun bitmapDrawableDifferentSizeNoConfig() { 72 val original = createBitmap(10, 10).apply { 73 eraseColor(Color.RED) 74 } 75 val drawable = BitmapDrawable(resources, original) 76 77 val bitmap = drawable.toBitmap(20, 20) 78 assertEquals(20, bitmap.width) 79 assertEquals(20, bitmap.height) 80 assertEquals(Config.ARGB_8888, bitmap.config) 81 assertEquals(Color.RED, bitmap.getPixel(10, 10)) 82 } 83 84 @Test fun bitmapDrawableDifferentSizeDifferentConfig() { 85 val original = createBitmap(10, 10).apply { 86 eraseColor(Color.RED) 87 } 88 val drawable = BitmapDrawable(resources, original) 89 90 val bitmap = drawable.toBitmap(20, 20, Config.ARGB_8888) 91 assertEquals(20, bitmap.width) 92 assertEquals(20, bitmap.height) 93 assertEquals(Config.ARGB_8888, bitmap.config) 94 assertEquals(Color.RED, bitmap.getPixel(10, 10)) 95 } 96 97 @Test fun drawableNoConfig() { 98 val drawable = object : ColorDrawable(Color.RED) { 99 override fun getIntrinsicWidth() = 10 100 override fun getIntrinsicHeight() = 10 101 } 102 103 val bitmap = drawable.toBitmap() 104 assertEquals(10, bitmap.width) 105 assertEquals(10, bitmap.height) 106 assertEquals(Config.ARGB_8888, bitmap.config) 107 assertEquals(Color.RED, bitmap.getPixel(5, 5)) 108 } 109 110 @Test fun drawableConfig() { 111 val drawable = object : ColorDrawable(Color.RED) { 112 override fun getIntrinsicWidth() = 10 113 override fun getIntrinsicHeight() = 10 114 } 115 116 val bitmap = drawable.toBitmap(config = Config.RGB_565) 117 assertEquals(10, bitmap.width) 118 assertEquals(10, bitmap.height) 119 assertEquals(Config.RGB_565, bitmap.config) 120 assertEquals(Color.RED, bitmap.getPixel(5, 5)) 121 } 122 123 @Test fun drawableSize() { 124 val drawable = object : ColorDrawable(Color.RED) { 125 override fun getIntrinsicWidth() = 10 126 override fun getIntrinsicHeight() = 10 127 } 128 129 val bitmap = drawable.toBitmap(20, 20) 130 assertEquals(20, bitmap.width) 131 assertEquals(20, bitmap.height) 132 assertEquals(Config.ARGB_8888, bitmap.config) 133 assertEquals(Color.RED, bitmap.getPixel(10, 10)) 134 } 135 136 @Test fun oldBoundsRestored() { 137 val drawable = object : ColorDrawable(Color.RED) { 138 override fun getIntrinsicWidth() = 10 139 override fun getIntrinsicHeight() = 10 140 } 141 drawable.setBounds(2, 2, 8, 8) 142 143 val bitmap = drawable.toBitmap() 144 assertEquals(10, bitmap.width) 145 assertEquals(10, bitmap.height) 146 147 assertEquals(2, drawable.bounds.left) 148 assertEquals(2, drawable.bounds.top) 149 assertEquals(8, drawable.bounds.right) 150 assertEquals(8, drawable.bounds.bottom) 151 } 152 153 @Test fun updateBoundsTest() { 154 val drawable = object : ColorDrawable(Color.RED) { 155 override fun getIntrinsicWidth() = 10 156 override fun getIntrinsicHeight() = 10 157 } 158 drawable.setBounds(0, 0, 10, 10) 159 160 drawable.updateBounds(1, 2, 3, 4) 161 162 assertEquals(1, drawable.bounds.left) 163 assertEquals(2, drawable.bounds.top) 164 assertEquals(3, drawable.bounds.right) 165 assertEquals(4, drawable.bounds.bottom) 166 } 167 } 168
