| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Image Optimize plugin for Craft CMS 3.x | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Automatically optimize images after they've been transformed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @link      https://nystudio107.com | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @copyright Copyright (c) 2017 nystudio107 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | namespace nystudio107\imageoptimize\models; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use nystudio107\imageoptimize\ImageOptimize; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use nystudio107\imageoptimize\helpers\UrlHelper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use craft\helpers\Template; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use craft\base\Model; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use craft\validators\ArrayValidator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * @author    nystudio107 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * @package   ImageOptimize | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * @since     1.2.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | class OptimizedImage extends Model | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     // Public Properties | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     // ========================================================================= | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     public $optimizedImageUrls = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     public $optimizedWebPImageUrls = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     public $variantSourceWidths = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     public $focalPoint; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     public $originalImageWidth; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     public $originalImageHeight; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     public $placeholder = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * @var | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     public $placeholderSvg = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     public $colorPalette = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     public $placeholderWidth; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     public $placeholderHeight; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     // Public Methods | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     // ========================================================================= | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * @inheritdoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     public function rules() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             ['optimizedImageUrls', ArrayValidator::class], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |             ['optimizedWebPImageUrls', ArrayValidator::class], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             ['variantSourceWidths', ArrayValidator::class], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             ['focalPoint', 'safe'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             ['originalImageWidth', 'integer'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |             ['originalImageHeight', 'integer'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |             ['placeholder', 'string'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |             ['placeholderSvg', 'string'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |             ['colorPalette', ArrayValidator::class], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |             ['placeholderWidth', 'integer'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |             ['placeholderHeight', 'integer'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * Return the first image variant URL or the specific one passed in via | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * @param int $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     public function src(int $width = 0): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |         if (empty($width)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |             return Template::raw(reset($this->optimizedImageUrls)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |             return Template::raw($this->optimizedImageUrls[$width] ?? ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      * Return a string of image URLs and their sizes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |     public function srcset(bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         return Template::raw($this->getSrcsetFromArray($this->optimizedImageUrls, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |      * Return a string of image URLs and their sizes that match $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * @param int  $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     public function srcsetWidth(int $width, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         $subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'width'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         return Template::raw($this->getSrcsetFromArray($subset, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      * Return a string of image URLs and their sizes that are at least $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |      * or larger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |      * @param int  $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |     public function srcsetMinWidth(int $width, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |         $subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'minwidth'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         return Template::raw($this->getSrcsetFromArray($subset, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |      * Return a string of image URLs and their sizes that are $width or smaller | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |      * @param int  $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |     public function srcsetMaxWidth(int $width, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         $subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'maxwidth'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |         return Template::raw($this->getSrcsetFromArray($subset, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |      * Return the first webp image variant URL or the specific one passed in | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |      * via $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |      * @param int $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     public function srcWebp(int $width = 0): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |         if (empty($width)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |             return Template::raw(reset($this->optimizedWebPImageUrls)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |             return Template::raw($this->optimizedWebPImageUrls[$width] ?? ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |      * Return a string of webp image URLs and their sizes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |     public function srcsetWebp(bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |         return Template::raw($this->getSrcsetFromArray($this->optimizedWebPImageUrls, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |      * Return a string of webp image URLs and their sizes that match $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |      * @param int  $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |     public function srcsetWidthWebp(int $width, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |         $subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'width'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |         return Template::raw($this->getSrcsetFromArray($subset, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |      * Return a string of webp image URLs and their sizes that are at least | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |      * $width or larger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |      * @param int  $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |     public function srcsetMinWidthWebp(int $width, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |         $subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'minwidth'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |         return Template::raw($this->getSrcsetFromArray($subset, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |      * Return a string of webp image URLs and their sizes that are $width or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |      * smaller | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |      * @param int  $width | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |      * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |      *                  srcsets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |     public function srcsetMaxWidthWebp(int $width, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |         $subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'maxwidth'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |         return Template::raw($this->getSrcsetFromArray($subset, $dpr)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |      * Work around issues with `<img srcset>` returning sizes larger than are | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |      * available as per: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |      * https://medium.com/@MRWwebDesign/responsive-images-the-sizes-attribute-and-unexpected-image-sizes-882a2eadb6db | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |     public function maxSrcsetWidth(): int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |         $result = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |         if (!empty($this->optimizedImageUrls)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |             $tempArray = $this->optimizedImageUrls; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |             ksort($tempArray, SORT_NUMERIC); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |             $keys = array_keys($tempArray); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |             $result = end($keys); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |      * Return a base64-encoded placeholder image | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |     public function placeholderImage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |         $header = 'data:image/jpeg;base64,'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |         if (!empty($this->placeholder)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |             $content = $this->placeholder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |             // At least return something | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |             return $this->defaultPlaceholderImage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |         return Template::raw($header.rawurlencode($content)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |     public function placeholderImageSize() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |         $placeholder = $this->placeholderImage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |         $contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |         return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |      * Return an SVG box as a placeholder image | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |      * @param string|null $color | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |     public function placeholderBox($color = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |         $width = $this->placeholderWidth ?? 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |         $height = $this->placeholderHeight ?? 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |         $color = $color ?? $this->colorPalette[0] ?? '#CCC'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |         return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |     public function placeholderBoxSize() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |         $placeholder = $this->placeholderBox(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |         $contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  |         return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  |      * Return a silhouette of the image as an SVG placeholder | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  |      * @return \Twig_Markup|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  |     public function placeholderSilhouette() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |         $header = 'data:image/svg+xml,'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |         if (!empty($this->placeholderSvg)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |             $content = $this->placeholderSvg; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |             // At least return something | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  |             return $this->defaultPlaceholderImage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |         return Template::raw($header.$content); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |     public function placeholderSilhouetteSize() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  |         $placeholder = $this->placeholderSilhouette(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  |         $contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  |         return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  |      *  Get the file size of any remote resource (using curl), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  |      *  either in bytes or - default - as human-readable formatted string. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  |      * @author  Stephan Schmitz <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  |      * @license MIT <http://eyecatchup.mit-license.org/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  |      * @url     <https://gist.github.com/eyecatchup/f26300ffd7e50a92bc4d> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  |      * @param   string  $url        Takes the remote object's URL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  |      * @param   boolean $formatSize Whether to return size in bytes or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  |      *                              formatted. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  |      * @param   boolean $useHead    Whether to use HEAD requests. If false, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  |      *                              uses GET. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 387 |  |  |      * @return  int|mixed|string    Returns human-readable formatted size | 
            
                                                                                                            
                            
            
                                    
            
            
                | 388 |  |  |      *                              or size in bytes (default: formatted). | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 389 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 390 |  |  |     public function getRemoteFileSize($url, $formatSize = true, $useHead = true) | 
            
                                                                        
                            
            
                                    
            
            
                | 391 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 392 |  |  |         // Get an absolute URL with protocol that curl will be happy with | 
            
                                                                        
                            
            
                                    
            
            
                | 393 |  |  |         $url = UrlHelper::absoluteUrlWithProtocol($url); | 
            
                                                                        
                            
            
                                    
            
            
                | 394 |  |  |         $ch = curl_init($url); | 
            
                                                                        
                            
            
                                    
            
            
                | 395 |  |  |         curl_setopt_array($ch, [ | 
            
                                                                        
                            
            
                                    
            
            
                | 396 |  |  |             CURLOPT_RETURNTRANSFER => 1, | 
            
                                                                        
                            
            
                                    
            
            
                | 397 |  |  |             CURLOPT_FOLLOWLOCATION => 1, | 
            
                                                                        
                            
            
                                    
            
            
                | 398 |  |  |             CURLOPT_SSL_VERIFYPEER => 0, | 
            
                                                                        
                            
            
                                    
            
            
                | 399 |  |  |         ]); | 
            
                                                                        
                            
            
                                    
            
            
                | 400 |  |  |         if ($useHead) { | 
            
                                                                        
                            
            
                                    
            
            
                | 401 |  |  |             curl_setopt($ch, CURLOPT_NOBODY, 1); | 
            
                                                                        
                            
            
                                    
            
            
                | 402 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 403 |  |  |         curl_exec($ch); | 
            
                                                                        
                            
            
                                    
            
            
                | 404 |  |  |         // content-length of download (in bytes), read from Content-Length: field | 
            
                                                                        
                            
            
                                    
            
            
                | 405 |  |  |         $contentLength = curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD); | 
            
                                                                        
                            
            
                                    
            
            
                | 406 |  |  |         curl_close($ch); | 
            
                                                                        
                            
            
                                    
            
            
                | 407 |  |  |         // cannot retrieve file size, return "-1" | 
            
                                                                        
                            
            
                                    
            
            
                | 408 |  |  |         if (!$contentLength) { | 
            
                                                                        
                            
            
                                    
            
            
                | 409 |  |  |             return -1; | 
            
                                                                        
                            
            
                                    
            
            
                | 410 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 411 |  |  |         // return size in bytes | 
            
                                                                        
                            
            
                                    
            
            
                | 412 |  |  |         if (!$formatSize) { | 
            
                                                                        
                            
            
                                    
            
            
                | 413 |  |  |             return $contentLength; | 
            
                                                                        
                            
            
                                    
            
            
                | 414 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 415 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 416 |  |  |         return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 417 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 418 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 419 |  |  |     // Protected Methods | 
            
                                                                                                            
                            
            
                                    
            
            
                | 420 |  |  |     // ========================================================================= | 
            
                                                                                                            
                            
            
                                    
            
            
                | 421 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 422 |  |  |     protected function getSrcsetSubsetArray(array $set, int $width, string $comparison): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 423 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 424 |  |  |         $subset = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 425 |  |  |         $index = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 426 |  |  |         if (empty($this->variantSourceWidths)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 427 |  |  |             return $subset; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 428 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 429 |  |  |         foreach ($this->variantSourceWidths as $variantSourceWidth) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 430 |  |  |             $match = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 431 |  |  |             switch ($comparison) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 432 |  |  |                 case 'width': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 433 |  |  |                     if ($variantSourceWidth == $width) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 434 |  |  |                         $match = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 435 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 436 |  |  |                     break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 437 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 438 |  |  |                 case 'minwidth': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 439 |  |  |                     if ($variantSourceWidth >= $width) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 440 |  |  |                         $match = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 441 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 442 |  |  |                     break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 443 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 444 |  |  |                 case 'maxwidth': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 445 |  |  |                     if ($variantSourceWidth <= $width) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 446 |  |  |                         $match = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 447 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 448 |  |  |                     break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 449 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 450 |  |  |             if ($match) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 451 |  |  |                 $subset += array_slice($set, $index, 1, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 452 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 453 |  |  |             $index++; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 454 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 455 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 456 |  |  |         return $subset; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 457 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 458 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 459 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 460 |  |  |      * @param array $array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 461 |  |  |      * @param bool  $dpr | 
            
                                                                                                            
                            
            
                                    
            
            
                | 462 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 463 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 464 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 465 |  |  |     protected function getSrcsetFromArray(array $array, bool $dpr = false): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 466 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 467 |  |  |         $srcset = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 468 |  |  |         foreach ($array as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 469 |  |  |             if ($dpr) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 470 |  |  |                 $descriptor = '1x'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 471 |  |  |                 if (!empty($array[intval($key) / 2])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 472 |  |  |                     $descriptor = '2x'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 473 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 474 |  |  |                 if (!empty($array[intval($key) / 3])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 475 |  |  |                     $descriptor = '3x'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 476 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 477 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 478 |  |  |                 $descriptor = $key.'w'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 479 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 480 |  |  |             $srcset .= $value.' '.$descriptor.', '; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 481 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 482 |  |  |         $srcset = rtrim($srcset, ', '); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 483 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 484 |  |  |         return $srcset; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 485 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 486 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 487 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 488 |  |  |      * Return a default placeholder image | 
            
                                                                                                            
                            
            
                                    
            
            
                | 489 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 490 |  |  |      * @return \Twig_Markup | 
            
                                                                                                            
                            
            
                                    
            
            
                | 491 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 492 |  |  |     protected function defaultPlaceholderImage(): \Twig_Markup | 
            
                                                                                                            
                            
            
                                    
            
            
                | 493 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 494 |  |  |         $width = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 495 |  |  |         $height = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 496 |  |  |         $color = '#CCC'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 497 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 498 |  |  |         return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 499 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 500 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 501 |  |  |  |