%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace Timber\Image\Operation;
use Timber\Helper;
use Timber\ImageHelper;
use Timber\Image\Operation as ImageOperation;
/**
* Contains the class for running image retina-izing operations
*/
/**
* Increases image size by a given factor
* Arguments:
* - factor by which to multiply image dimensions
* @property float $factor the factor (ex: 2, 1.5, 1.75) to multiply dimension by
*/
class Retina extends ImageOperation {
private $factor;
/**
* Construct our operation
* @param float $factor to multiply original dimensions by
*/
public function __construct( $factor ) {
$this->factor = $factor;
}
/**
* Generates the final filename based on the source's name and extension
*
* @param string $src_filename the basename of the file (ex: my-awesome-pic)
* @param string $src_extension the extension (ex: .jpg)
* @return string the final filename to be used (ex: my-awesome-pic@2x.jpg)
*/
public function filename( $src_filename, $src_extension ) {
$newbase = $src_filename.'@'.$this->factor.'x'; // add @2x, @3x, @1.5x, etc.
$new_name = $newbase.'.'.$src_extension;
return $new_name;
}
/**
* Performs the actual image manipulation,
* including saving the target file.
*
* @param string $load_filename filepath (not URL) to source file
* (ex: /src/var/www/wp-content/uploads/my-pic.jpg)
* @param string $save_filename filepath (not URL) where result file should be saved
* (ex: /src/var/www/wp-content/uploads/my-pic@2x.jpg)
* @return bool true if everything went fine, false otherwise
*/
public function run( $load_filename, $save_filename ) {
// Attempt to check if SVG.
if ( ImageHelper::is_svg($load_filename) ) {
return false;
}
$image = wp_get_image_editor($load_filename);
if ( !is_wp_error($image) ) {
$current_size = $image->get_size();
$src_w = $current_size['width'];
$src_h = $current_size['height'];
// Get ratios
$w = $src_w * $this->factor;
$h = $src_h * $this->factor;
$image->crop(0, 0, $src_w, $src_h, $w, $h);
$result = $image->save($save_filename);
if ( is_wp_error($result) ) {
// @codeCoverageIgnoreStart
Helper::error_log('Error resizing image');
Helper::error_log($result);
return false;
// @codeCoverageIgnoreEnd
}
return true;
} else if ( isset($image->error_data['error_loading_image']) ) {
Helper::error_log('Error loading '.$image->error_data['error_loading_image']);
return false;
}
Helper::error_log($image);
return false;
}
}
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