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
17package com.android.camera.unittest;
18
19import com.android.camera.Camera;
20import com.android.camera.FocusManager;
21import com.android.camera.Util;
22
23import android.graphics.Matrix;
24import android.graphics.Rect;
25import android.graphics.RectF;
26import android.test.suitebuilder.annotation.SmallTest;
27
28import junit.framework.TestCase;
29
30@SmallTest
31public class CameraTest extends TestCase {
32    public void testRoundOrientation() {
33        int h = Util.ORIENTATION_HYSTERESIS;
34        assertEquals(0, Util.roundOrientation(0, 0));
35        assertEquals(0, Util.roundOrientation(359, 0));
36        assertEquals(0, Util.roundOrientation(0 + 44 + h, 0));
37        assertEquals(90, Util.roundOrientation(0 + 45 + h, 0));
38        assertEquals(0, Util.roundOrientation(360 - 44 - h, 0));
39        assertEquals(270, Util.roundOrientation(360 - 45 - h, 0));
40
41        assertEquals(90, Util.roundOrientation(90, 90));
42        assertEquals(90, Util.roundOrientation(90 + 44 + h, 90));
43        assertEquals(180, Util.roundOrientation(90 + 45 + h, 90));
44        assertEquals(90, Util.roundOrientation(90 - 44 - h, 90));
45        assertEquals(0, Util.roundOrientation(90 - 45 - h, 90));
46
47        assertEquals(180, Util.roundOrientation(180, 180));
48        assertEquals(180, Util.roundOrientation(180 + 44 + h, 180));
49        assertEquals(270, Util.roundOrientation(180 + 45 + h, 180));
50        assertEquals(180, Util.roundOrientation(180 - 44 - h, 180));
51        assertEquals(90, Util.roundOrientation(180 - 45 - h, 180));
52
53        assertEquals(270, Util.roundOrientation(270, 270));
54        assertEquals(270, Util.roundOrientation(270 + 44 + h, 270));
55        assertEquals(0, Util.roundOrientation(270 + 45 + h, 270));
56        assertEquals(270, Util.roundOrientation(270 - 44 - h, 270));
57        assertEquals(180, Util.roundOrientation(270 - 45 - h, 270));
58
59        assertEquals(90, Util.roundOrientation(90, 0));
60        assertEquals(180, Util.roundOrientation(180, 0));
61        assertEquals(270, Util.roundOrientation(270, 0));
62
63        assertEquals(0, Util.roundOrientation(0, 90));
64        assertEquals(180, Util.roundOrientation(180, 90));
65        assertEquals(270, Util.roundOrientation(270, 90));
66
67        assertEquals(0, Util.roundOrientation(0, 180));
68        assertEquals(90, Util.roundOrientation(90, 180));
69        assertEquals(270, Util.roundOrientation(270, 180));
70
71        assertEquals(0, Util.roundOrientation(0, 270));
72        assertEquals(90, Util.roundOrientation(90, 270));
73        assertEquals(180, Util.roundOrientation(180, 270));
74    }
75
76    public void testPrepareMatrix() {
77        Matrix matrix = new Matrix();
78        float[] points;
79        int[] expected;
80
81        Util.prepareMatrix(matrix, false, 0, 800, 480);
82        points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250};
83        expected = new int[] {0, 0, 400, 240, 800, 480, 400, 480, 100, 300};
84        matrix.mapPoints(points);
85        assertEquals(expected, points);
86
87        Util.prepareMatrix(matrix, false, 90, 800, 480);
88        points = new float[] {-1000, -1000,   0,   0, 1000, 1000, 0, 1000, -750, 250};
89        expected = new int[] {800, 0, 400, 240, 0, 480, 0, 240, 300, 60};
90        matrix.mapPoints(points);
91        assertEquals(expected, points);
92
93        Util.prepareMatrix(matrix, false, 180, 800, 480);
94        points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250};
95        expected = new int[] {800, 480, 400, 240, 0, 0, 400, 0, 700, 180};
96        matrix.mapPoints(points);
97        assertEquals(expected, points);
98
99        Util.prepareMatrix(matrix, true, 180, 800, 480);
100        points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250};
101        expected = new int[] {0, 480, 400, 240, 800, 0, 400, 0, 100, 180};
102        matrix.mapPoints(points);
103        assertEquals(expected, points);
104    }
105
106    private void assertEquals(int expected[], float[] actual) {
107        for (int i = 0; i < expected.length; i++) {
108            assertEquals("Array index " + i + " mismatch", expected[i], Math.round(actual[i]));
109        }
110    }
111}
112