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<?php |
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namespace brendt\image; |
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use brendt\image\exception\FileNotFoundException; |
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use Symfony\Component\Filesystem\Filesystem; |
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use Symfony\Component\Finder\Finder; |
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use Symfony\Component\Finder\SplFileInfo; |
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class ResponsiveImage { |
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/** |
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* @var string |
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*/ |
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private $src = ''; |
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/** |
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* @var string[] |
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*/ |
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private $srcset = []; |
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/** |
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* @var string[] |
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*/ |
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private $sizes = []; |
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/** |
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* ResponsiveImage constructor. |
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* |
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* @param $src |
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*/ |
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public function __construct($src) { |
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$src = preg_replace('/^(\/|\.\/)/', '', $src); |
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$this->src = "/{$src}"; |
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} |
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/** |
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* @return string |
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*/ |
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public function src() { |
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return $this->src; |
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} |
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/** |
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* @param $sources |
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* @param null $value |
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* |
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* @return ResponsiveImage |
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*/ |
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public function addSource($sources, $value = null) { |
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if (!is_array($sources) && $value) { |
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$sources = [$sources => $value]; |
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} elseif (!is_array($sources)) { |
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return $this; |
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} |
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foreach ($sources as $url => $width) { |
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$url = ltrim($url, '/'); |
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$width = str_replace('px', '', $width); |
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$this->srcset[$width] = "/{$url}"; |
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} |
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krsort($this->srcset); |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function srcset() { |
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$srcset = []; |
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foreach ($this->srcset as $w => $url) { |
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$srcset[] = "{$url} {$w}w"; |
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} |
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return implode(',', $srcset); |
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} |
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/** |
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* @param array|string $sizes |
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* @param null $value |
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* |
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* @return ResponsiveImage |
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*/ |
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public function addSizes($sizes, $value = null) { |
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if (!is_array($sizes) && $value) { |
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$sizes = [$sizes => $value]; |
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} elseif (!is_array($sizes)) { |
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return $this; |
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} |
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foreach ($sizes as $media => $value) { |
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$this->sizes[$media] = $value; |
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} |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function sizes() { |
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$sizes = []; |
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foreach ($this->sizes as $media => $value) { |
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$media = rtrim(ltrim($media, '('), ')'); |
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if (is_numeric($media)) { |
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$sizes[] = "$value"; |
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} else { |
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$sizes[] = "({$media}) $value"; |
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} |
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} |
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return implode(', ', $sizes); |
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} |
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} |
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brendt /
responsive-images
