1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.contacts.util;
import android.graphics.Bitmap;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* Tests for {@link com.android.contacts.util.BitmapUtil}.
*/
@SmallTest
public class BitmapUtilTests extends AndroidTestCase {
public void testGetSmallerExtentFromBytes1() throws Exception {
assertEquals(100, BitmapUtil.getSmallerExtentFromBytes(createJpegRawData(100, 100)));
assertEquals(100, BitmapUtil.getSmallerExtentFromBytes(createPngRawData(100, 100)));
}
public void testGetSmallerExtentFromBytes2() throws Exception {
assertEquals(50, BitmapUtil.getSmallerExtentFromBytes(createJpegRawData(200, 50)));
assertEquals(50, BitmapUtil.getSmallerExtentFromBytes(createPngRawData(200, 50)));
}
public void testGetSmallerExtentFromBytes3() throws Exception {
assertEquals(40, BitmapUtil.getSmallerExtentFromBytes(createJpegRawData(40, 150)));
assertEquals(40, BitmapUtil.getSmallerExtentFromBytes(createPngRawData(40, 150)));
}
public void testFindOptimalSampleSizeExact() throws Exception {
assertEquals(1, BitmapUtil.findOptimalSampleSize(512, 512));
}
public void testFindOptimalSampleSizeBigger() throws Exception {
assertEquals(1, BitmapUtil.findOptimalSampleSize(512, 1024));
}
public void testFindOptimalSampleSizeSmaller1() throws Exception {
assertEquals(2, BitmapUtil.findOptimalSampleSize(512, 256));
}
public void testFindOptimalSampleSizeSmaller2() throws Exception {
assertEquals(2, BitmapUtil.findOptimalSampleSize(512, 230));
}
public void testFindOptimalSampleSizeSmaller3() throws Exception {
assertEquals(4, BitmapUtil.findOptimalSampleSize(512, 129));
}
public void testFindOptimalSampleSizeSmaller4() throws Exception {
assertEquals(4, BitmapUtil.findOptimalSampleSize(512, 128));
}
public void testFindOptimalSampleSizeUnknownOriginal() throws Exception {
assertEquals(1, BitmapUtil.findOptimalSampleSize(-1, 128));
}
public void testFindOptimalSampleSizeUnknownTarget() throws Exception {
assertEquals(1, BitmapUtil.findOptimalSampleSize(128, -1));
}
public void testDecodeWithSampleSize1() throws IOException {
assertBitmapSize(128, 64, BitmapUtil.decodeBitmapFromBytes(createJpegRawData(128, 64), 1));
assertBitmapSize(128, 64, BitmapUtil.decodeBitmapFromBytes(createPngRawData(128, 64), 1));
}
public void testDecodeWithSampleSize2() throws IOException {
assertBitmapSize(64, 32, BitmapUtil.decodeBitmapFromBytes(createJpegRawData(128, 64), 2));
assertBitmapSize(64, 32, BitmapUtil.decodeBitmapFromBytes(createPngRawData(128, 64), 2));
}
public void testDecodeWithSampleSize2a() throws IOException {
assertBitmapSize(25, 20, BitmapUtil.decodeBitmapFromBytes(createJpegRawData(50, 40), 2));
assertBitmapSize(25, 20, BitmapUtil.decodeBitmapFromBytes(createPngRawData(50, 40), 2));
}
public void testDecodeWithSampleSize4() throws IOException {
assertBitmapSize(32, 16, BitmapUtil.decodeBitmapFromBytes(createJpegRawData(128, 64), 4));
assertBitmapSize(32, 16, BitmapUtil.decodeBitmapFromBytes(createPngRawData(128, 64), 4));
}
private void assertBitmapSize(int expectedWidth, int expectedHeight, Bitmap bitmap) {
assertEquals(expectedWidth, bitmap.getWidth());
assertEquals(expectedHeight, bitmap.getHeight());
}
private byte[] createJpegRawData(int sourceWidth, int sourceHeight) throws IOException {
return createRawData(Bitmap.CompressFormat.JPEG, sourceWidth, sourceHeight);
}
private byte[] createPngRawData(int sourceWidth, int sourceHeight) throws IOException {
return createRawData(Bitmap.CompressFormat.PNG, sourceWidth, sourceHeight);
}
private byte[] createRawData(Bitmap.CompressFormat format, int sourceWidth,
int sourceHeight) throws IOException {
// Create a temp bitmap as our source
Bitmap b = Bitmap.createBitmap(sourceWidth, sourceHeight, Bitmap.Config.ARGB_8888);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
b.compress(format, 50, outputStream);
final byte[] data = outputStream.toByteArray();
outputStream.close();
return data;
}
}
|
