%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* On the fly image resizer.
* Script from the Shoestrap theme by @aristath
*
* @since 3.8.0
*/
/**
* The Image handling class
*/
class Fusion_Image_Resizer {
public static function image_resize( $data ) {
$defaults = array(
'url' => '',
'width' => '',
'height' => '',
'crop' => true,
'retina' => true,
'resize' => true,
);
$settings = wp_parse_args( $data, $defaults );
if ( empty( $settings['url'] ) ) {
return;
}
// Generate the @2x file if retina is enabled
if ( $settings['retina'] ) {
self::_resize( $settings['url'], $settings['width'], $settings['height'], $settings['crop'], true );
}
return self::_resize( $settings['url'], $settings['width'], $settings['height'], $settings['crop'], false );
}
/**
* Resizes an image and returns an array containing the resized URL, width, height and file type.
* Uses native Wordpress functionality.
*
* This is a slightly modified version of http://goo.gl/9iS0CO
*
* @var $url string
* $width integer
* $height integer
* $crop boolean
* $retina boolean
* @return array An array containing the resized image URL, width, height and file type.
*/
public static function _resize( $url, $width = null, $height = null, $crop = true, $retina = false ) {
global $wpdb;
if ( empty( $url ) ) {
return new WP_Error( 'no_image_url', __( 'No image URL has been entered.', 'Avada' ), $url );
}
// Get default size from database
$width = ( $width ) ? $width : get_option( 'thumbnail_size_w' );
$height = ( $height ) ? $height : get_option( 'thumbnail_size_h' );
// Allow for different retina sizes
$retina = $retina ? ( $retina === true ? 2 : $retina ) : 1;
// Get the image file path
$upload_dir_paths = wp_upload_dir();
// Make sure the upload path base directory exists in the attachment URL, to verify that we're working with a media library image
if ( false !== strpos( $url, $upload_dir_paths['baseurl'] ) ) {
// If this is the URL of an auto-generated thumbnail, get the URL of the original image
$attachment_url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif)$)/i', '', $url );
// Remove the upload path base directory from the attachment URL
$attachment_url = str_replace( $upload_dir_paths['baseurl'] . '/', '', $attachment_url );
// Run a custom database query to get the attachment ID from the modified attachment URL
$attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT wposts.ID FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta WHERE wposts.ID = wpostmeta.post_id AND wpostmeta.meta_key = '_wp_attached_file' AND wpostmeta.meta_value = '%s' AND wposts.post_type = 'attachment'", $attachment_url ) );
// Get the file path
$file_path = get_attached_file( $attachment_id );
}
if ( ! isset( $file_path ) ) {
return array( 'url' => $url, 'width' => $width, 'height' => $height );
}
// Destination width and height variables
$dest_width = $width * $retina;
$dest_height = $height * $retina;
// Some additional info about the image
$info = pathinfo( $file_path );
$dir = $info['dirname'];
$ext = '';
if ( ! empty( $info['extension'] ) ) {
$ext = $info['extension'];
}
$name = wp_basename( $file_path, ".$ext" );
// Suffix applied to filename
$suffix_width = ( $dest_width / $retina );
$suffix_height = ( $dest_height / $retina );
$suffix_retina = ( $retina != 1 ) ? '@' . $retina . 'x' : NULL;
$suffix = "{$suffix_width}x{$suffix_height}{$suffix_retina}";
// Get the destination file name
$dest_file_name = "{$dir}/{$name}-{$suffix}.{$ext}";
if ( ! file_exists( $dest_file_name ) ) {
/*
* Bail if this image isn't in the Media Library.
* We only want to resize Media Library images, so we can be sure they get deleted correctly when appropriate.
*/
if ( ! isset( $attachment_id ) || ! $attachment_id ) {
return array( 'url' => $url, 'width' => $width, 'height' => $height );
}
// Load Wordpress Image Editor
$editor = wp_get_image_editor( $file_path );
if ( is_wp_error( $editor ) ) {
return array( 'url' => $url, 'width' => $width, 'height' => $height );
}
// Get the original image size
$size = $editor->get_size();
$orig_width = $size['width'];
$orig_height = $size['height'];
$src_x = $src_y = 0;
$src_w = $orig_width;
$src_h = $orig_height;
if ( $crop ) {
$cmp_x = $orig_width / $dest_width;
$cmp_y = $orig_height / $dest_height;
// Calculate x or y coordinate, and width or height of source
if ( $cmp_x > $cmp_y ) {
$src_w = round( $orig_width / $cmp_x * $cmp_y );
$src_x = round( ( $orig_width - ( $orig_width / $cmp_x * $cmp_y ) ) / 2 );
} elseif ( $cmp_y > $cmp_x ) {
$src_h = round( $orig_height / $cmp_y * $cmp_x );
$src_y = round( ( $orig_height - ( $orig_height / $cmp_y * $cmp_x ) ) / 2 );
}
}
// Check if the file is writable before proceeding
global $wp_filesystem;
if ( empty( $wp_filesystem ) ) {
require_once( ABSPATH . '/wp-admin/includes/file.php' );
WP_Filesystem();
}
if ( ! $wp_filesystem->put_contents( $dest_file_name, '', FS_CHMOD_FILE ) ) {
return array( 'url' => $url, 'width' => $orig_width, 'height' => $orig_height );
}
// Time to crop the image!
$editor->crop( $src_x, $src_y, $src_w, $src_h, $dest_width, $dest_height );
// Now let's save the image
$saved = $editor->save( $dest_file_name );
// Get resized image information
$resized_url = str_replace( basename( $url ), basename( $saved['path'] ), $url );
$resized_width = $saved['width'];
$resized_height = $saved['height'];
$resized_type = $saved['mime-type'];
// Add the resized dimensions to original image metadata (so we can delete our resized images when the original image is delete from the Media Library)
$metadata = wp_get_attachment_metadata( $attachment_id );
if ( isset( $metadata['image_meta'] ) ) {
$metadata['image_meta']['resized_images'][] = $resized_width .'x'. $resized_height;
wp_update_attachment_metadata( $attachment_id, $metadata );
}
// Create the image array
$image_array = array(
'url' => $resized_url,
'width' => $resized_width,
'height' => $resized_height,
'type' => $resized_type,
'path' => $dest_file_name,
);
$image_array['retina_url'] = ( file_exists( "{$dir}/{$name}-{$suffix}{$suffix_retina}.{$ext}" ) ) ? rtrim( $image_array['url'], ".{$ext}" ) . "@2x.{$ext}" : false;
} else {
$image_array = array(
'url' => str_replace( basename( $url ), basename( $dest_file_name ), $url ),
'width' => $dest_width,
'height' => $dest_height,
'type' => $ext,
'path' => $dest_file_name,
);
$image_array['retina_url'] = ( file_exists( "{$dir}/{$name}-{$suffix}{$suffix_retina}.{$ext}" ) ) ? rtrim( $image_array['url'], ".{$ext}" ) . "@2x.{$ext}" : false;
}
// Return image array
return $image_array;
}
}
// Omit closing PHP tag to avoid "Headers already sent" issues.
Zerion Mini Shell 1.0