complex_test.dart
3.28 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
/*
* 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.
*/
import 'dart:io';
import 'dart:math';
import 'dart:typed_data';
import 'package:pdf/pdf.dart';
import 'package:test/test.dart';
import 'package:vector_math/vector_math_64.dart';
void main() {
test('Pdf', () {
final Uint32List img = Uint32List(10 * 10);
img.fillRange(0, img.length - 1, 0x12345678);
final PdfDocument pdf = PdfDocument();
pdf.info = PdfInfo(pdf,
author: 'David PHAM-VAN',
creator: 'David PHAM-VAN',
title: 'My Title',
subject: 'My Subject');
final PdfPage page =
PdfPage(pdf, pageFormat: const PdfPageFormat(500, 300));
final PdfGraphics g = page.getGraphics();
g.saveContext();
Matrix4 tm = Matrix4.identity();
tm.translate(10.0, 290);
tm.scale(1.0, -1);
g.setTransform(tm);
g.setColor(const PdfColor(0, 0, 0));
g.drawShape(
'M37 0H9C6.24 0 4 2.24 4 5v38c0 2.76 2.24 5 5 5h28c2.76 0 5-2.24 5-5V5c0-2.76-2.24-5-5-5zM23 46c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3zm15-8H8V6h30v32z',
stroke: false);
g.fillPath();
g.restoreContext();
g.saveContext();
tm = Matrix4.identity();
tm.translate(200.0, 290);
tm.scale(.1, -.1);
g.setTransform(tm);
g.setColor(const PdfColor(0, 0, 0));
g.drawShape(
'M300,200 h-150 a150,150 0 1,0 150,-150 z M275,175 v-150 a150,150 0 0,0 -150,150 z');
g.restoreContext();
final PdfFont font1 = g.defaultFont;
final Uint8List data = File('open-sans.ttf').readAsBytesSync();
final PdfTtfFont font2 = PdfTtfFont(pdf, data.buffer.asByteData());
const String s = 'Hello World!';
final PdfFontMetrics r = font2.stringMetrics(s);
const double FS = 20;
g.setColor(const PdfColor(0, 1, 1));
g.drawRect(
50.0 + r.left * FS, 30.0 + r.top * FS, r.width * FS, r.height * FS);
g.fillPath();
g.setColor(const PdfColor(0.3, 0.3, 0.3));
g.drawString(font2, FS, s, 50, 30);
g.setColor(const PdfColor(1, 0, 0));
g.drawString(font2, 20, 'Hé (Olà)', 50, 10);
g.drawLine(30, 30, 200, 200);
g.strokePath();
g.setColor(const PdfColor(1, 0, 0));
g.drawRect(300, 150, 50, 50);
g.fillPath();
g.setColor(const PdfColor(0, 0.5, 0));
final PdfImage image =
PdfImage(pdf, image: img.buffer.asUint8List(), width: 10, height: 10);
for (double i = 10; i < 90.0; i += 5.0) {
g.saveContext();
final Matrix4 tm = Matrix4.identity();
tm.rotateZ(i * pi / 360.0);
tm.translate(300.0, -100);
g.setTransform(tm);
g.drawString(font1, 12, 'Hello $i', 20, 100);
g.drawImage(image, 100, 100);
g.restoreContext();
}
final File file = File('complex.pdf');
file.writeAsBytesSync(pdf.save());
});
}