|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace PhpEpub\Converters; |
|
6
|
|
|
|
|
7
|
|
|
use Dompdf\Dompdf; |
|
8
|
|
|
use Dompdf\Options; |
|
9
|
|
|
use PhpEpub\Exception; |
|
10
|
|
|
|
|
11
|
|
|
class DompdfAdapter implements ConverterInterface |
|
12
|
|
|
{ |
|
13
|
|
|
/** |
|
14
|
|
|
* @var array<string, mixed> |
|
15
|
|
|
*/ |
|
16
|
|
|
private array $styles; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* DompdfAdapter constructor. |
|
20
|
|
|
* |
|
21
|
|
|
* @param array<string, mixed> $styles Optional styling parameters. |
|
22
|
|
|
*/ |
|
23
|
2 |
|
public function __construct(array $styles = []) |
|
24
|
|
|
{ |
|
25
|
|
|
// Default styling parameters |
|
26
|
2 |
|
$defaultStyles = [ |
|
27
|
2 |
|
'font' => 'Arial', |
|
28
|
2 |
|
'font_size' => 12, |
|
29
|
2 |
|
'paper_size' => 'A4', |
|
30
|
2 |
|
'orientation' => 'portrait', |
|
31
|
2 |
|
]; |
|
32
|
|
|
|
|
33
|
|
|
// Merge default styles with user-provided styles |
|
34
|
2 |
|
$this->styles = array_merge($defaultStyles, $styles); |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Converts the EPUB content to a PDF using Dompdf. |
|
39
|
|
|
* |
|
40
|
|
|
* @param string $epubDirectory The directory containing the extracted EPUB contents. |
|
41
|
|
|
* @param string $outputPath The path where the converted PDF should be saved. |
|
42
|
|
|
* |
|
43
|
|
|
* @throws Exception If the conversion fails. |
|
44
|
|
|
*/ |
|
45
|
2 |
|
public function convert(string $epubDirectory, string $outputPath): void |
|
46
|
|
|
{ |
|
47
|
|
|
// Initialize Dompdf with options |
|
48
|
2 |
|
$options = new Options(); |
|
49
|
2 |
|
$options->set('defaultFont', $this->styles['font']); |
|
50
|
2 |
|
$dompdf = new Dompdf($options); |
|
51
|
|
|
|
|
52
|
|
|
// Load EPUB content (this is a simplified example) |
|
53
|
2 |
|
$content = $this->loadEpubContent($epubDirectory); |
|
54
|
|
|
|
|
55
|
|
|
// Load HTML content into Dompdf |
|
56
|
1 |
|
$dompdf->loadHtml($content); |
|
57
|
|
|
|
|
58
|
1 |
|
$paperSize = 'A4'; |
|
59
|
1 |
|
if (isset($this->styles['paper_size']) && is_string($this->styles['paper_size'])) { |
|
60
|
1 |
|
$paperSize = $this->styles['paper_size']; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
1 |
|
$orientation = 'portrait'; |
|
64
|
1 |
|
if (isset($this->styles['orientation']) && is_string($this->styles['orientation'])) { |
|
65
|
1 |
|
$orientation = $this->styles['orientation']; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
// Set paper size and orientation |
|
69
|
1 |
|
$dompdf->setPaper($paperSize, $orientation); |
|
70
|
|
|
|
|
71
|
|
|
// Render the PDF |
|
72
|
1 |
|
$dompdf->render(); |
|
73
|
|
|
|
|
74
|
|
|
// Output the generated PDF to a file |
|
75
|
1 |
|
file_put_contents($outputPath, $dompdf->output()); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Loads the EPUB content for conversion. |
|
80
|
|
|
* |
|
81
|
|
|
* @throws Exception If the content cannot be loaded. |
|
82
|
|
|
*/ |
|
83
|
2 |
|
private function loadEpubContent(string $epubDirectory): string |
|
84
|
|
|
{ |
|
85
|
|
|
// Simplified example: Load content from a specific file |
|
86
|
2 |
|
$contentFile = $epubDirectory . '/content.xhtml'; // Adjust this path as needed |
|
87
|
2 |
|
if (! file_exists($contentFile)) { |
|
88
|
1 |
|
throw new Exception("Content file not found: {$contentFile}"); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
1 |
|
$content = file_get_contents($contentFile); |
|
92
|
1 |
|
if ($content === false) { |
|
93
|
|
|
throw new Exception("Failed to read content from: {$contentFile}"); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
1 |
|
return $content; |
|
97
|
|
|
} |
|
98
|
|
|
} |
|
99
|
|
|
|
indy2kro /
php-epub
