98 lines
2.5 KiB
PHP
98 lines
2.5 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Background Process for Image Processing Queue
|
||
|
|
*
|
||
|
|
* @package Image-Processing-Queue
|
||
|
|
*/
|
||
|
|
|
||
|
|
if ( ! class_exists( 'IPQ_Process' ) ) {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Custom exception class for IPQ background processing
|
||
|
|
*/
|
||
|
|
class IPQ_Process_Exception extends Exception {}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Extends the background processing library and implements image processing routines
|
||
|
|
*/
|
||
|
|
class IPQ_Process extends WP_Background_Process {
|
||
|
|
/**
|
||
|
|
* Action
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
protected $action = 'image_processing_queue';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Background task to resizes images
|
||
|
|
*
|
||
|
|
* @param mixed $item Image data.
|
||
|
|
* @return bool
|
||
|
|
* @throws IPQ_Process_Exception On error.
|
||
|
|
*/
|
||
|
|
protected function task( $item ) {
|
||
|
|
$defaults = array(
|
||
|
|
'post_id' => 0,
|
||
|
|
'width' => 0,
|
||
|
|
'height' => 0,
|
||
|
|
'crop' => false,
|
||
|
|
);
|
||
|
|
$item = wp_parse_args( $item, $defaults );
|
||
|
|
|
||
|
|
$post_id = $item['post_id'];
|
||
|
|
$width = $item['width'];
|
||
|
|
$height = $item['height'];
|
||
|
|
$crop = $item['crop'];
|
||
|
|
|
||
|
|
if ( ! $width && ! $height ) {
|
||
|
|
throw new IPQ_Process_Exception( "Invalid dimensions '{$width}x{$height}'" );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( Image_Processing_Queue::does_size_already_exist_for_image( $post_id, array( $width, $height, $crop ) ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$image_meta = Image_Processing_Queue::get_image_meta( $post_id );
|
||
|
|
|
||
|
|
if ( ! $image_meta ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
add_filter( 'as3cf_get_attached_file_copy_back_to_local', '__return_true' );
|
||
|
|
$img_path = Image_Processing_Queue::get_image_path( $post_id );
|
||
|
|
|
||
|
|
if ( ! $img_path ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$editor = wp_get_image_editor( $img_path );
|
||
|
|
|
||
|
|
if ( is_wp_error( $editor ) ) {
|
||
|
|
throw new IPQ_Process_Exception( 'Unable to get WP_Image_Editor for file "' . $img_path . '": ' . $editor->get_error_message() . ' (is GD or ImageMagick installed?)' );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( is_wp_error( $editor->resize( $width, $height, $crop ) ) ) {
|
||
|
|
throw new IPQ_Process_Exception( 'Error resizing image: ' . $editor->get_error_message() );
|
||
|
|
}
|
||
|
|
|
||
|
|
$resized_file = $editor->save();
|
||
|
|
|
||
|
|
if ( is_wp_error( $resized_file ) ) {
|
||
|
|
throw new IPQ_Process_Exception( 'Unable to save resized image file: ' . $editor->get_error_message() );
|
||
|
|
}
|
||
|
|
|
||
|
|
$size_name = Image_Processing_Queue::get_size_name( array( $width, $height, $crop ) );
|
||
|
|
$image_meta['sizes'][ $size_name ] = array(
|
||
|
|
'file' => $resized_file['file'],
|
||
|
|
'width' => $resized_file['width'],
|
||
|
|
'height' => $resized_file['height'],
|
||
|
|
'mime-type' => $resized_file['mime-type'],
|
||
|
|
);
|
||
|
|
wp_update_attachment_metadata( $post_id, $image_meta );
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|