xref: /dokuwiki/inc/Cache/CacheImageMod.php (revision c3a14f677ee1ae0cdba278e7ba21602e6cabba18) 
1<?php
2
3namespace dokuwiki\Cache;
4
5/**
6 * Handle the caching of modified (resized/cropped) images
7 */
8class CacheImageMod extends Cache
9{
10    /** @var string source file */
11    protected $file;
12
13    /**
14     * @param string $file Original source file
15     * @param int $w new width in pixel
16     * @param int $h new height in pixel
17     * @param string $ext Image extension - no leading dot
18     * @param bool $crop Is this a crop?
19     * @param bool $upscale Was upscaling allowed? Same dimensions yield different output when disabled
20     */
21    public function __construct($file, $w, $h, $ext, $crop, $upscale = true)
22    {
23        $fullext = '.media.' . $w . 'x' . $h;
24        $fullext .= $crop ? '.crop' : '';
25        $fullext .= $upscale ? '' : '.noup';
26        $fullext .= ".$ext";
27
28        $this->file = $file;
29
30        $this->setEvent('IMAGEMOD_CACHE_USE');
31        parent::__construct($file, $fullext);
32    }
33
34    /** @inheritdoc */
35    public function makeDefaultCacheDecision()
36    {
37        if (!file_exists($this->file)) {
38            return false;
39        }
40        return parent::makeDefaultCacheDecision();
41    }
42
43    /**
44     * Caching depends on the source and the wiki config
45     * @inheritdoc
46     */
47    protected function addDependencies()
48    {
49        parent::addDependencies();
50
51        $this->depends['files'] = array_merge(
52            [$this->file],
53            getConfigFiles('main')
54        );
55    }
56}
57