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<?php |
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/** |
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* Contains the class for running image retina-izing operations |
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*/ |
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/** |
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* Increases image size by a given factor |
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* Arguments: |
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* - factor by which to multiply image dimensions |
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* @property float $factor the factor (ex: 2, 1.5, 1.75) to multiply dimension by |
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*/ |
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class TimberImageOperationRetina extends TimberImageOperation { |
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private $factor; |
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/** |
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* Construct our operation |
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* @param float $factor to multiply original dimensions by |
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*/ |
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function __construct($factor) { |
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$this->factor = $factor; |
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} |
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/** |
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* Generates the final filename based on the source's name and extension |
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* |
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* @param string $src_filename the basename of the file (ex: my-awesome-pic) |
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* @param string $src_extension the extension (ex: .jpg) |
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* @return string the final filename to be used (ex: [email protected]) |
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*/ |
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function filename($src_filename, $src_extension) { |
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$newbase = $src_filename . '@' . $this->factor . 'x'; // add @2x, @3x, @1.5x, etc. |
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$new_name = $newbase . '.' . $src_extension; |
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return $new_name; |
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} |
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/** |
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* Performs the actual image manipulation, |
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* including saving the target file. |
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* |
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* @param string $load_filename filepath (not URL) to source file |
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* (ex: /src/var/www/wp-content/uploads/my-pic.jpg) |
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* @param string $save_filename filepath (not URL) where result file should be saved |
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* (ex: /src/var/www/wp-content/uploads/[email protected]) |
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* @return bool true if everything went fine, false otherwise |
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*/ |
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function run($load_filename, $save_filename){ |
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$image = wp_get_image_editor( $load_filename ); |
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if ( !is_wp_error( $image ) ) { |
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$current_size = $image->get_size(); |
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$src_w = $current_size['width']; |
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$src_h = $current_size['height']; |
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// Get ratios |
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$w = $src_w * $this->factor; |
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$h = $src_h * $this->factor; |
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$image->crop( 0, 0, $src_w, $src_h, $w, $h ); |
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$result = $image->save( $save_filename ); |
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View Code Duplication |
if ( is_wp_error( $result ) ) { |
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// @codeCoverageIgnoreStart |
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TimberHelper::error_log( 'Error resizing image' ); |
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TimberHelper::error_log( $result ); |
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return false; |
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// @codeCoverageIgnoreEnd |
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} else { |
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return true; |
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} |
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View Code Duplication |
} else if ( isset( $image->error_data['error_loading_image'] ) ) { |
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TimberHelper::error_log( 'Error loading ' . $image->error_data['error_loading_image'] ); |
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} else { |
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TimberHelper::error_log( $image ); |
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} |
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return false; |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.