1 /* 2 * Copyright (C) 2008 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 package android.graphics.cts; 17 18 import static org.junit.Assert.assertEquals; 19 import static org.junit.Assert.assertFalse; 20 import static org.junit.Assert.assertNotNull; 21 import static org.junit.Assert.assertTrue; 22 23 import android.content.res.Resources; 24 import android.graphics.Bitmap; 25 import android.graphics.Bitmap.Config; 26 import android.graphics.BitmapFactory; 27 import android.graphics.Canvas; 28 import android.support.test.InstrumentationRegistry; 29 import android.support.test.filters.SmallTest; 30 import android.support.test.runner.AndroidJUnit4; 31 32 import org.junit.Before; 33 import org.junit.Test; 34 import org.junit.runner.RunWith; 35 36 @SmallTest 37 @RunWith(AndroidJUnit4.class) 38 public class BitmapRGBAF16Test { 39 private Bitmap mOpaqueBitmap; 40 private Bitmap mTransparentBitmap; 41 private Resources mResources; 42 43 @Before 44 public void setup() { 45 mResources = InstrumentationRegistry.getTargetContext().getResources(); 46 47 BitmapFactory.Options options = new BitmapFactory.Options(); 48 options.inMutable = true; 49 50 // The bitmaps are in raw-nodpi/ to guarantee aapt and framework leave them untouched 51 mOpaqueBitmap = BitmapFactory.decodeResource(mResources, R.raw.p3_opaque, options); 52 mTransparentBitmap = BitmapFactory.decodeResource(mResources, R.raw.p3_transparent, options); 53 } 54 55 @Test 56 public void testDecode() { 57 assertNotNull(mOpaqueBitmap); 58 assertEquals(Config.RGBA_F16, mOpaqueBitmap.getConfig()); 59 assertFalse(mOpaqueBitmap.hasAlpha()); 60 61 assertNotNull(mTransparentBitmap); 62 assertEquals(Config.RGBA_F16, mTransparentBitmap.getConfig()); 63 assertTrue(mTransparentBitmap.hasAlpha()); 64 } 65 66 @Test 67 public void testScaling() { 68 Bitmap scaled = Bitmap.createScaledBitmap(mOpaqueBitmap, 69 mOpaqueBitmap.getWidth() / 2, mOpaqueBitmap.getHeight() / 2, true); 70 assertNotNull(scaled); 71 assertEquals(Config.RGBA_F16, scaled.getConfig()); 72 assertFalse(scaled.hasAlpha()); 73 74 scaled = Bitmap.createScaledBitmap(mTransparentBitmap, 75 mTransparentBitmap.getWidth() / 2, mTransparentBitmap.getHeight() / 2, true); 76 assertNotNull(scaled); 77 assertEquals(Config.RGBA_F16, scaled.getConfig()); 78 assertTrue(scaled.hasAlpha()); 79 } 80 81 @Test 82 public void testCopy() { 83 Bitmap copy = Bitmap.createBitmap(mOpaqueBitmap); 84 assertNotNull(copy); 85 assertEquals(Config.RGBA_F16, copy.getConfig()); 86 assertFalse(copy.hasAlpha()); 87 88 copy = Bitmap.createBitmap(mTransparentBitmap); 89 assertNotNull(copy); 90 assertEquals(Config.RGBA_F16, copy.getConfig()); 91 assertTrue(copy.hasAlpha()); 92 } 93 94 @Test 95 public void testCreate() { 96 Bitmap b = Bitmap.createBitmap(64, 64, Config.RGBA_F16, false); 97 assertNotNull(b); 98 assertEquals(Config.RGBA_F16, b.getConfig()); 99 assertFalse(b.hasAlpha()); 100 101 b = Bitmap.createBitmap(64, 64, Config.RGBA_F16); 102 assertNotNull(b); 103 assertEquals(Config.RGBA_F16, b.getConfig()); 104 assertTrue(b.hasAlpha()); 105 } 106 107 @Test 108 public void testGetPixel() { 109 // Opaque pixels from opaque bitmap 110 assertEquals(0xff0f131f, mOpaqueBitmap.getPixel(0, 0)); 111 assertEquals(0xff0f1421, mOpaqueBitmap.getPixel(1, 0)); 112 assertEquals(0xff101523, mOpaqueBitmap.getPixel(2, 0)); 113 114 // Opaque pixels from transparent bitmap 115 assertEquals(0xffff0000, mTransparentBitmap.getPixel(0, 0)); 116 assertEquals(0xff00ff00, mTransparentBitmap.getPixel(1, 0)); 117 assertEquals(0xff0000ff, mTransparentBitmap.getPixel(2, 0)); 118 119 // Transparent pixels from transparent bitmap 120 assertEquals(0x7fff0000, mTransparentBitmap.getPixel(61, 63)); 121 assertEquals(0x7f00ff00, mTransparentBitmap.getPixel(62, 63)); 122 assertEquals(0x7f0000ff, mTransparentBitmap.getPixel(63, 63)); 123 } 124 125 @Test 126 public void testSetPixel() { 127 int before = mOpaqueBitmap.getPixel(5, 5); 128 mOpaqueBitmap.setPixel(5, 5, 0x7f102030); 129 int after = mOpaqueBitmap.getPixel(5, 5); 130 assertTrue(before != after); 131 assertEquals(0x7f102030, after); 132 133 before = mTransparentBitmap.getPixel(5, 5); 134 mTransparentBitmap.setPixel(5, 5, 0x7f102030); 135 after = mTransparentBitmap.getPixel(5, 5); 136 assertTrue(before != after); 137 assertEquals(0x7f102030, after); 138 } 139 140 @Test 141 public void testCopyFromA8() { 142 Bitmap res = BitmapFactory.decodeResource(mResources, R.drawable.alpha_mask); 143 Bitmap mask = Bitmap.createBitmap(res.getWidth(), res.getHeight(), 144 Bitmap.Config.ALPHA_8); 145 Canvas c = new Canvas(mask); 146 c.drawBitmap(res, 0, 0, null); 147 148 Bitmap b = mask.copy(Config.RGBA_F16, false); 149 assertNotNull(b); 150 } 151 } 152
