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 { testPrepareMatrix()28 public void testPrepareMatrix() { 29 Matrix matrix = new Matrix(); 30 float[] points; 31 int[] expected; 32 33 CameraUtil.prepareMatrix(matrix, false, 0, 800, 480); 34 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 35 expected = new int[] {0, 0, 400, 240, 800, 480, 400, 480, 100, 300}; 36 matrix.mapPoints(points); 37 assertEquals(expected, points); 38 39 CameraUtil.prepareMatrix(matrix, false, 90, 800, 480); 40 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 41 expected = new int[] {800, 0, 400, 240, 0, 480, 0, 240, 300, 60}; 42 matrix.mapPoints(points); 43 assertEquals(expected, points); 44 45 CameraUtil.prepareMatrix(matrix, false, 180, 800, 480); 46 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 47 expected = new int[] {800, 480, 400, 240, 0, 0, 400, 0, 700, 180}; 48 matrix.mapPoints(points); 49 assertEquals(expected, points); 50 51 CameraUtil.prepareMatrix(matrix, true, 180, 800, 480); 52 points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250}; 53 expected = new int[] {0, 480, 400, 240, 800, 0, 400, 0, 100, 180}; 54 matrix.mapPoints(points); 55 assertEquals(expected, points); 56 } 57 assertEquals(int expected[], float[] actual)58 private void assertEquals(int expected[], float[] actual) { 59 for (int i = 0; i < expected.length; i++) { 60 assertEquals("Array index " + i + " mismatch", expected[i], Math.round(actual[i])); 61 } 62 } 63 } 64