husaynhakeem | ad541fc | 2019-11-06 11:09:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 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.camera.view; |
| 18 | |
| 19 | import static org.junit.Assert.assertEquals; |
| 20 | |
| 21 | import android.app.Activity; |
| 22 | import android.content.Context; |
| 23 | import android.graphics.Matrix; |
| 24 | |
| 25 | import androidx.camera.testing.CoreAppTestUtil; |
| 26 | import androidx.camera.testing.fakes.FakeActivity; |
| 27 | import androidx.test.annotation.UiThreadTest; |
| 28 | import androidx.test.core.app.ApplicationProvider; |
| 29 | import androidx.test.ext.junit.runners.AndroidJUnit4; |
| 30 | import androidx.test.filters.LargeTest; |
Trevor McGuire | eb49fb9 | 2019-12-10 00:16:51 -0800 | [diff] [blame] | 31 | import androidx.test.filters.Suppress; |
husaynhakeem | ad541fc | 2019-11-06 11:09:51 -0800 | [diff] [blame] | 32 | import androidx.test.rule.ActivityTestRule; |
| 33 | |
| 34 | import org.junit.Before; |
| 35 | import org.junit.Rule; |
| 36 | import org.junit.Test; |
| 37 | import org.junit.runner.RunWith; |
| 38 | |
| 39 | /** |
| 40 | * Instrumented tests for {@link TransformableSurfaceView}. |
| 41 | */ |
| 42 | @LargeTest |
Trevor McGuire | eb49fb9 | 2019-12-10 00:16:51 -0800 | [diff] [blame] | 43 | @Suppress |
husaynhakeem | ad541fc | 2019-11-06 11:09:51 -0800 | [diff] [blame] | 44 | @RunWith(AndroidJUnit4.class) |
| 45 | public class TransformableSurfaceViewTest { |
| 46 | |
| 47 | private static final int ANY_WIDTH = 160; |
| 48 | private static final int ANY_HEIGHT = 90; |
| 49 | |
| 50 | @Rule |
| 51 | public ActivityTestRule<FakeActivity> mActivityTestRule = |
| 52 | new ActivityTestRule<>(FakeActivity.class); |
| 53 | |
| 54 | private Context mContext; |
| 55 | |
| 56 | @Before |
| 57 | public void setUp() { |
| 58 | CoreAppTestUtil.assumeCompatibleDevice(); |
| 59 | mContext = ApplicationProvider.getApplicationContext(); |
| 60 | } |
| 61 | |
| 62 | @Test |
| 63 | @UiThreadTest |
| 64 | public void translateTransformation() throws Throwable { |
| 65 | final int translateX = 50; |
| 66 | final int translateY = 80; |
| 67 | final Matrix matrix = new Matrix(); |
| 68 | matrix.setTranslate(translateX, translateY); |
| 69 | |
| 70 | transformSurfaceView(matrix, ANY_WIDTH, ANY_HEIGHT, translateX, translateY); |
| 71 | } |
| 72 | |
| 73 | @Test |
| 74 | @UiThreadTest |
| 75 | public void scaleFromTopLeftTransformation() throws Throwable { |
| 76 | final int scaleX = 2; |
| 77 | final int scaleY = 5; |
| 78 | final Matrix matrix = new Matrix(); |
| 79 | matrix.setScale(scaleX, scaleY, 0, 0); |
| 80 | |
| 81 | final int expectedWidth = scaleX * ANY_WIDTH; |
| 82 | final int expectedHeight = scaleY * ANY_HEIGHT; |
| 83 | final int expectedX = 0; |
| 84 | final int expectedY = 0; |
| 85 | |
| 86 | transformSurfaceView(matrix, expectedWidth, expectedHeight, expectedX, expectedY); |
| 87 | } |
| 88 | |
| 89 | @Test |
| 90 | @UiThreadTest |
| 91 | public void scaleFromCenterTransformation() throws Throwable { |
| 92 | final int scaleX = 2; |
| 93 | final int scaleY = 5; |
| 94 | final float centerX = ANY_WIDTH / 2f; |
| 95 | final float centerY = ANY_HEIGHT / 2f; |
| 96 | final Matrix matrix = new Matrix(); |
| 97 | matrix.setScale(scaleX, scaleY, centerX, centerY); |
| 98 | |
| 99 | final int expectedWidth = scaleX * ANY_WIDTH; |
| 100 | final int expectedHeight = scaleY * ANY_HEIGHT; |
| 101 | final int expectedX = (int) (centerX - scaleX * ANY_WIDTH / 2f); |
| 102 | final int expectedY = (int) (centerY - scaleY * ANY_HEIGHT / 2f); |
| 103 | |
| 104 | transformSurfaceView(matrix, expectedWidth, expectedHeight, expectedX, expectedY); |
| 105 | } |
| 106 | |
| 107 | @Test |
| 108 | @UiThreadTest |
| 109 | public void scaleFromTopLeftAndTranslateTransformation() throws Throwable { |
| 110 | final int scaleX = 2; |
| 111 | final int scaleY = 5; |
| 112 | final int translateX = 50; |
| 113 | final int translateY = 80; |
| 114 | final Matrix matrix = new Matrix(); |
| 115 | matrix.setScale(scaleX, scaleY, 0, 0); |
| 116 | matrix.postTranslate(translateX, translateY); |
| 117 | |
| 118 | final int expectedWidth = scaleX * ANY_WIDTH; |
| 119 | final int expectedHeight = scaleY * ANY_HEIGHT; |
| 120 | |
| 121 | transformSurfaceView(matrix, expectedWidth, expectedHeight, translateX, translateY); |
| 122 | } |
| 123 | |
| 124 | @Test |
| 125 | @UiThreadTest |
| 126 | public void scaleFromCenterAndTranslateTransformation() throws Throwable { |
| 127 | final int scaleX = 2; |
| 128 | final int scaleY = 5; |
| 129 | final int translateX = 50; |
| 130 | final int translateY = 80; |
| 131 | final float centerX = ANY_WIDTH / 2f; |
| 132 | final float centerY = ANY_HEIGHT / 2f; |
| 133 | final Matrix matrix = new Matrix(); |
| 134 | matrix.setScale(scaleX, scaleY, centerX, centerY); |
| 135 | matrix.postTranslate(translateX, translateY); |
| 136 | |
| 137 | final int expectedWidth = scaleX * ANY_WIDTH; |
| 138 | final int expectedHeight = scaleY * ANY_HEIGHT; |
| 139 | final int expectedX = (int) (translateX + centerX - scaleX * ANY_WIDTH / 2f); |
| 140 | final int expectedY = (int) (translateY + centerY - scaleY * ANY_HEIGHT / 2f); |
| 141 | |
| 142 | transformSurfaceView(matrix, expectedWidth, expectedHeight, expectedX, expectedY); |
| 143 | } |
| 144 | |
| 145 | @Test(expected = IllegalArgumentException.class) |
| 146 | @UiThreadTest |
| 147 | public void ignoreRotationTransformation() throws Throwable { |
| 148 | final Matrix matrix = new Matrix(); |
| 149 | matrix.setRotate(-45); |
| 150 | |
| 151 | transformSurfaceView(matrix, ANY_WIDTH, ANY_HEIGHT, 0, 0); |
| 152 | } |
| 153 | |
| 154 | private void transformSurfaceView(final Matrix matrix, final int expectedWidth, |
| 155 | final int expectedHeight, final int expectedX, final int expectedY) throws Throwable { |
| 156 | final TransformableSurfaceView surfaceView = new TransformableSurfaceView(mContext); |
| 157 | surfaceView.layout(0, 0, ANY_WIDTH, ANY_HEIGHT); |
| 158 | |
| 159 | final Activity activity = mActivityTestRule.getActivity(); |
| 160 | mActivityTestRule.runOnUiThread(() -> activity.setContentView(surfaceView)); |
| 161 | |
| 162 | surfaceView.setTransform(matrix); |
| 163 | |
| 164 | surfaceView.post(() -> { |
| 165 | assertEquals(expectedWidth, surfaceView.getWidth()); |
| 166 | assertEquals(expectedHeight, surfaceView.getHeight()); |
| 167 | assertEquals(expectedX, Math.round(surfaceView.getX())); |
| 168 | assertEquals(expectedY, Math.round(surfaceView.getY())); |
| 169 | }); |
| 170 | } |
| 171 | } |