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<?php |
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/** |
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* Image Optimize plugin for Craft CMS 3.x |
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* |
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* Automatically optimize images after they've been transformed |
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* |
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* @link https://nystudio107.com |
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* @copyright Copyright (c) 2017 nystudio107 |
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*/ |
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namespace nystudio107\imageoptimize\variables; |
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use nystudio107\imageoptimize\ImageOptimize; |
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use nystudio107\imageoptimize\imagetransforms\ImageTransformInterface; |
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use nystudio107\imageoptimize\models\OptimizedImage; |
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use craft\elements\Asset; |
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use craft\helpers\Template; |
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/** |
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* @author nystudio107 |
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* @package ImageOptimize |
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* @since 1.4.0 |
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*/ |
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class ImageOptimizeVariable extends ManifestVariable |
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{ |
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// Public Methods |
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// ========================================================================= |
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/** |
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* Render the lazy load JavaScript shim |
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* |
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* @param array $scriptAttrs |
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* @param array $variables |
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* @return string |
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*/ |
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public function renderLazyLoadJs($scriptAttrs = [], $variables = []) |
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{ |
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return Template::raw(ImageOptimize::$plugin->optimize->renderLazyLoadJs($scriptAttrs, $variables)); |
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} |
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/** |
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* Return an SVG box as a placeholder image |
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* |
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* @param $width |
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* @param $height |
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* @param string|null $color |
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* |
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* @return \Twig_Markup|null |
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*/ |
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public function placeholderBox($width, $height, $color = null) |
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{ |
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return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color)); |
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} |
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/** |
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* @param Asset $asset |
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* @param array $variants |
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* @param bool $generatePlaceholders |
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* |
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* @return OptimizedImage|null |
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*/ |
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public function createOptimizedImages( |
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Asset $asset, |
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$variants = null, |
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$generatePlaceholders = false |
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) { |
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// Override our settings for lengthy operations, since we're doing this via Twig |
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ImageOptimize::$generatePlaceholders = $generatePlaceholders; |
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return ImageOptimize::$plugin->optimizedImages->createOptimizedImages($asset, $variants); |
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} |
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/** |
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* Returns whether `.webp` is a format supported by the server |
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* |
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* @return bool |
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*/ |
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public function serverSupportsWebP(): bool |
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{ |
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$result = false; |
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$variantCreators = ImageOptimize::$plugin->optimize->getActiveVariantCreators(); |
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foreach ($variantCreators as $variantCreator) { |
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if ($variantCreator['creator'] === 'cwebp' && $variantCreator['installed']) { |
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$result = true; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Creates an Image Transform with a given config. |
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* |
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* @param mixed $config The Image Transform’s class name, or its config, |
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* with a `type` value and optionally a `settings` value |
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* |
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* @return null|ImageTransformInterface The Image Transform |
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*/ |
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public function createImageTransformType($config): ImageTransformInterface |
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{ |
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return ImageOptimize::$plugin->optimize->createImageTransformType($config); |
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} |
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/** |
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* Return whether we are running Craft 3.1 or later |
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* |
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* @return bool |
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*/ |
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public function craft31(): bool |
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{ |
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return ImageOptimize::$craft31; |
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} |
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} |
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nystudio107 /
craft-imageoptimize
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