UNPKG

@pdfme/pdf-lib

Version:

Create and modify PDF files with JavaScript

pdfme.com

pdfme/pdfme

120 lines (112 loc) • 2.56 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
113
114
115
116
117
118
119
120
import pako from 'pako'; import { mergeIntoTypedArray, PDFContext, PDFName, PDFRef, PDFWriter, typedArrayFor, } from '../../../src/index'; const contentStreamText = ` BT /F1 24 Tf 100 100 Td (Hello World and stuff!) Tj ET `; const encodedContentStream = pako.deflate(typedArrayFor(contentStreamText)); const pdfBytes = mergeIntoTypedArray(`%PDF-1.7 % 9000 0 obj << /Filter /FlateDecode /Length 67 >> stream `, encodedContentStream, ` endstream endobj 9001 0 obj << /Type /Font /Subtype /Type1 /Name /F1 /BaseFont /Helvetica /Encoding /MacRomanEncoding >> endobj 9002 0 obj << /Type /Page /MediaBox [ 0 0 612 792 ] /Contents 9000 0 R /Resources << /Font << /F1 9001 0 R >> >> /Parent 9003 0 R >> endobj 9003 0 obj << /Type /Pages /Kids [ 9002 0 R ] /Count 1 >> endobj 9004 0 obj << /Type /Catalog /Pages 9003 0 R >> endobj xref 0 1 0000000000 65535 f 9000 5 0000000016 00000 n 0000000158 00000 n 0000000270 00000 n 0000000411 00000 n 0000000477 00000 n trailer << /Size 9005 /Root 9004 0 R >> startxref 533 %%EOF`); describe(`PDFWriter`, () => { it(`serializes PDFContext objects using Indirect Objects and a Cross Reference table`, async () => { const context = PDFContext.create(); const contentStream = context.flateStream(contentStreamText); const contentStreamRef = PDFRef.of(9000); context.assign(contentStreamRef, contentStream); const fontDict = context.obj({ Type: 'Font', Subtype: 'Type1', Name: 'F1', BaseFont: 'Helvetica', Encoding: 'MacRomanEncoding', }); const fontDictRef = context.register(fontDict); const page = context.obj({ Type: 'Page', MediaBox: [0, 0, 612, 792], Contents: contentStreamRef, Resources: { Font: { F1: fontDictRef } }, }); const pageRef = context.register(page); const pages = context.obj({ Type: 'Pages', Kids: [pageRef], Count: 1, }); const pagesRef = context.register(pages); page.set(PDFName.of('Parent'), pagesRef); const catalog = context.obj({ Type: 'Catalog', Pages: pagesRef, }); context.trailerInfo.Root = context.register(catalog); const buffer = await PDFWriter.forContext(context, Infinity).serializeToBuffer(); expect(buffer.length).toBe(pdfBytes.length); expect(buffer).toEqual(pdfBytes); }); }); //# sourceMappingURL=PDFWriter.spec.js.map