1 /* 2 * Copyright (C) 2010 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.camera.unittest; 18 19 import com.android.camera.util.CameraUtil; 20 21 import android.graphics.Matrix; 22 import android.test.suitebuilder.annotation.SmallTest; 23 24 import junit.framework.TestCase; 25 26 @SmallTest 27 public class CameraUnitTest extends TestCase { testRoundOrientation()28 public void testRoundOrientation() { 29 int h = CameraUtil.ORIENTATION_HYSTERESIS; 30 assertEquals(0, CameraUtil.roundOrientation(0, 0)); 31 assertEquals(0, CameraUtil.roundOrientation(359, 0)); 32 assertEquals(0, CameraUtil.roundOrientation(0 + 44 + h, 0)); 33 assertEquals(90, CameraUtil.roundOrientation(0 + 45 + h, 0)); 34 assertEquals(0, CameraUtil.roundOrientation(360 - 44 - h, 0)); 35 assertEquals(270, CameraUtil.roundOrientation(360 - 45 - h, 0)); 36 37 assertEquals(90, CameraUtil.roundOrientation(90, 90)); 38 assertEquals(90, CameraUtil.roundOrientation(90 + 44 + h, 90)); 39 assertEquals(180, CameraUtil.roundOrientation(90 + 45 + h, 90)); 40 assertEquals(90, CameraUtil.roundOrientation(90 - 44 - h, 90)); 41 assertEquals(0, CameraUtil.roundOrientation(90 - 45 - h, 90)); 42 43 assertEquals(180, CameraUtil.roundOrientation(180, 180)); 44 assertEquals(180, CameraUtil.roundOrientation(180 + 44 + h, 180)); 45 assertEquals(270, CameraUtil.roundOrientation(180 + 45 + h, 180)); 46 assertEquals(180, CameraUtil.roundOrientation(180 - 44 - h, 180)); 47 assertEquals(90, CameraUtil.roundOrientation(180 - 45 - h, 180)); 48 49 assertEquals(270, CameraUtil.roundOrientation(270, 270)); 50 assertEquals(270, CameraUtil.roundOrientation(270 + 44 + h, 270)); 51 assertEquals(0, CameraUtil.roundOrientation(270 + 45 + h, 270)); 52 assertEquals(270, CameraUtil.roundOrientation(270 - 44 - h, 270)); 53 assertEquals(180, CameraUtil.roundOrientation(270 - 45 - h, 270)); 54 55 assertEquals(90, CameraUtil.roundOrientation(90, 0)); 56 assertEquals(180, CameraUtil.roundOrientation(180, 0)); 57 assertEquals(270, CameraUtil.roundOrientation(270, 0)); 58 59 assertEquals(0, CameraUtil.roundOrientation(0, 90)); 60 assertEquals(180, CameraUtil.roundOrientation(180, 90)); 61 assertEquals(270, CameraUtil.roundOrientation(270, 90)); 62 63 assertEquals(0, CameraUtil.roundOrientation(0, 180)); 64 assertEquals(90, CameraUtil.roundOrientation(90, 180)); 65 assertEquals(270, CameraUtil.roundOrientation(270, 180)); 66 67 assertEquals(0, CameraUtil.roundOrientation(0, 270)); 68 assertEquals(90, CameraUtil.roundOrientation(90, 270)); 69 assertEquals(180, CameraUtil.roundOrientation(180, 270)); 70 } 71 testPrepareMatrix()72 public void testPrepareMatrix() { 73 Matrix matrix = new Matrix(); 74 float[] points; 75 int[] expected; 76 77 CameraUtil.prepareMatrix(matrix, false, 0, 800, 480); 78 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 79 expected = new int[] {0, 0, 400, 240, 800, 480, 400, 480, 100, 300}; 80 matrix.mapPoints(points); 81 assertEquals(expected, points); 82 83 CameraUtil.prepareMatrix(matrix, false, 90, 800, 480); 84 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 85 expected = new int[] {800, 0, 400, 240, 0, 480, 0, 240, 300, 60}; 86 matrix.mapPoints(points); 87 assertEquals(expected, points); 88 89 CameraUtil.prepareMatrix(matrix, false, 180, 800, 480); 90 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 91 expected = new int[] {800, 480, 400, 240, 0, 0, 400, 0, 700, 180}; 92 matrix.mapPoints(points); 93 assertEquals(expected, points); 94 95 CameraUtil.prepareMatrix(matrix, true, 180, 800, 480); 96 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 97 expected = new int[] {0, 480, 400, 240, 800, 0, 400, 0, 100, 180}; 98 matrix.mapPoints(points); 99 assertEquals(expected, points); 100 } 101 assertEquals(int expected[], float[] actual)102 private void assertEquals(int expected[], float[] actual) { 103 for (int i = 0; i < expected.length; i++) { 104 assertEquals("Array index " + i + " mismatch", expected[i], Math.round(actual[i])); 105 } 106 } 107 } 108