complex_test.dart
2.15 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
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', () {
var img = Uint32List(10 * 10);
img.fillRange(0, img.length - 1, 0x12345678);
var pdf = PdfDocument(deflate: zlib.encode);
var i = pdf.info;
i.author = "David PHAM-VAN";
i.creator = i.author;
i.title = "My Title";
i.subject = "My Subject";
var page = PdfPage(pdf, pageFormat: const PdfPageFormat(500.0, 300.0));
var g = page.getGraphics();
g.saveContext();
var tm = Matrix4.identity();
tm.translate(100.0, 700.0);
g.setTransform(tm);
// 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");
g.restoreContext();
var font1 = g.defaultFont;
var font2 = PdfTtfFont(
pdf,
(File("open-sans.ttf").readAsBytesSync() as Uint8List)
.buffer
.asByteData());
var s = "Hello World!";
var r = font2.stringBounds(s);
const FS = 20.0;
g.setColor(PdfColor(0.0, 1.0, 1.0));
g.drawRect(50.0 + r.x * FS, 30.0 + r.y * FS, r.w * FS, r.h * FS);
g.fillPath();
g.setColor(PdfColor(0.3, 0.3, 0.3));
g.drawString(font2, FS, s, 50.0, 30.0);
g.setColor(PdfColor(1.0, 0.0, 0.0));
g.drawString(font2, 20.0, "Hé (Olà)", 50.0, 10.0);
g.drawLine(30.0, 30.0, 200.0, 200.0);
g.strokePath();
g.setColor(PdfColor(1.0, 0.0, 0.0));
g.drawRect(300.0, 150.0, 50.0, 50.0);
g.fillPath();
g.setColor(PdfColor(0.0, 0.5, 0.0));
var image =
PdfImage(pdf, image: img.buffer.asUint8List(), width: 10, height: 10);
for (var i = 10.0; i < 90.0; i += 5.0) {
g.saveContext();
var tm = Matrix4.identity();
tm.rotateZ(i * pi / 360.0);
tm.translate(300.0, -100.0);
g.setTransform(tm);
g.drawString(font1, 12.0, "Hello $i", 20.0, 100.0);
g.drawImage(image, 100.0, 100.0);
g.restoreContext();
}
var file = File('file.pdf');
file.writeAsBytesSync(pdf.save());
});
}