-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
85 lines (75 loc) · 2.22 KB
/
main.go
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
// seehuhn.de/go/pdf - a library for reading and writing PDF files
// Copyright (C) 2023 Jochen Voss <voss@seehuhn.de>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"log"
"seehuhn.de/go/pdf"
"seehuhn.de/go/pdf/document"
"seehuhn.de/go/pdf/font"
"seehuhn.de/go/pdf/font/type1"
)
func main() {
vv := []pdf.Version{pdf.V1_0, pdf.V1_1, pdf.V1_2, pdf.V1_3, pdf.V1_4,
pdf.V1_5, pdf.V1_6, pdf.V1_7, pdf.V2_0}
for _, v := range vv {
for _, enc := range []string{"plain", "prot", "enc"} {
if v == pdf.V1_0 && enc != "plain" {
continue
}
fname := "out-" + v.String() + "-" + enc + ".pdf"
opt := &pdf.WriterOptions{}
if enc != "plain" {
opt.OwnerPassword = "B"
opt.UserPermissions = pdf.PermCopy
}
if enc == "enc" {
opt.UserPassword = "A"
}
page, err := document.CreateSinglePage(fname, &pdf.Rectangle{URx: 300, URy: 300}, v, nil)
if err != nil {
log.Fatal(err)
}
F, err := type1.TimesRoman.Embed(page.Out, &font.Options{ResName: "F"})
if err != nil {
log.Fatal(err)
}
geom := F.GetGeometry()
page.TextStart()
page.TextSetFont(F, 12)
page.TextFirstLine(50, 250)
page.TextShow("PDF version " + v.String())
page.TextSecondLine(0, -12*geom.BaseLineDistance)
if enc == "enc" {
page.TextShow("encrypted text")
} else {
page.TextShow("unencrypted text")
}
page.TextNextLine()
page.TextShow("user can copy")
page.TextNextLine()
if enc == "plain" {
page.TextShow("user can print")
} else {
page.TextShow("only owner can print")
}
page.TextEnd()
err = page.Close()
if err != nil {
log.Fatal(err)
}
}
}
}