jpeg_test.dart
6.38 KB
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
/*
* Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
*
* 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.
*/
// ignore_for_file: omit_local_variable_types
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart';
import 'package:test/test.dart';
Document pdf;
PdfImage image;
void main() {
setUpAll(() async {
Document.debug = true;
pdf = Document();
image = PdfImage.jpeg(
pdf.document,
image: await download('https://www.nfet.net/nfet.jpg'),
);
});
test('Pdf Jpeg Download', () async {
pdf.addPage(Page(
build: (Context context) => Center(child: Image(image)),
));
});
test('Pdf Jpeg Orientations', () {
pdf.addPage(
Page(
build: (Context context) => GridView(
crossAxisCount: 4,
crossAxisSpacing: 10,
children: List<Widget>.generate(
images.length,
(int index) => Image(
PdfImage.jpeg(
pdf.document,
image: base64.decode(images[index]),
),
),
),
),
),
);
});
test('Pdf Image fit', () async {
pdf.addPage(
MultiPage(
build: (Context context) =>
List<Widget>.generate(BoxFit.values.length, (int index) {
final BoxFit fit = BoxFit.values[index];
return SizedBox(
width: 200,
height: 100,
child: Image(
image,
fit: fit,
),
);
}),
),
);
});
tearDownAll(() {
final File file = File('jpeg.pdf');
file.writeAsBytesSync(pdf.save());
});
}
Future<Uint8List> download(String url) async {
final HttpClient client = HttpClient();
final HttpClientRequest request = await client.getUrl(Uri.parse(url));
final HttpClientResponse response = await request.close();
final BytesBuilder builder = await response.fold(
BytesBuilder(), (BytesBuilder b, List<int> d) => b..add(d));
final List<int> data = builder.takeBytes();
return Uint8List.fromList(data);
}
const List<String> images = <String>[
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAAAQAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCABQADADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDKgAAAAAAAKqAAAAlWAAACqgAJVgAqoAAACVYAKqAAAA//2Q==',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAAAgAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCABQADADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDKgAAAAAKqAAAAlWACqgAJVgAAAqoAAACVYAKqAAAAlWAD/9k=',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAAAwAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCABQADADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDVIAAAJVgAqoAAACVYAKqAAlWAAACqgAAAJVgAAAAAAA//2Q==',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAABAAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCABQADADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDKgAKqAAAAlWACqgAAAJVgAAAqoACVYAKqAAAAlWAAAAAD/9k=',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAABQAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCAAwAFADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDKgAAAAAAAAAAAKqAAlWACqgAAAJVgAqoAAAAAAAD/2Q==',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAABgAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCAAwAFADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDKgAKqAAAAAAAAlWACqgAJVgAqoAAACVYAAAAAAAAAP//Z',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAABwAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCAAwAFADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDVIAAAAAAAJVgAqoAAACVYAKqAAlWAAAAAAAAAAAD/2Q==',
'/9j/4AAQSkZJRgABAQEA3ADcAAD/4QAiRXhpZgAASUkqAAgAAAABABIBAwABAAAACAAAAAAAAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCAAwAFADASIAAhEBAxEB/8QAFgABAQEAAAAAAAAAAAAAAAAAAAkI/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/EABQBAQAAAAAAAAAAAAAAAAAAAAD/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwDKgAAAAAAAAAKqAAAAlWACqgAJVgAqoAAAAAAACVYAP//Z',
];