'image/jpeg' );
if ( wp_image_editor_supports( $arg ) !== true ) {
add_filter( 'admin_notices', 'a13fe_ir_wp_image_editor_check_notice' );
}
}
function a13fe_ir_wp_image_editor_check_notice() {
printf( "", 'Error 1001 - '.''.esc_html__( 'Your Server is missing any image library to resize images. Please check the Site health for more details.', 'apollo13-framework-extensions').'' );
}
/*
* Main Class
*/
class Apollo13_Image_Resize {
/** Uses WP's Image Editor Class to resize and filter images
* Inspired by: https://github.com/sy4mil/Aqua-Resizer/blob/master/aq_resizer.php
*
* @param $url string the local image URL to manipulate
* @param $params array the options to perform on the image. Keys and values supported:
* 'width' int pixels
* 'height' int pixels
* 'crop' bool
* 'quality' int 1-100
*
* @return string|array
*/
public static function thumb( $url, $params = array() ) {
extract( $params );
//validate inputs
if ( ! $url ) {
return false;
}
//define upload path & dir
$upload_info = wp_upload_dir();
$upload_dir = $upload_info['basedir'];
$upload_url = $upload_info['baseurl'];
$theme_url = get_template_directory_uri();
$theme_dir = get_template_directory();
// find the path of the image. Perform 2 checks:
// #1 check if the image is in the uploads folder
if ( strpos( $url, $upload_url ) !== false ) {
$rel_path = str_replace( $upload_url, '', $url );
$img_path = $upload_dir . $rel_path;
// #2 check if the image is in the current theme folder
} else if ( strpos( $url, $theme_url ) !== false ) {
$rel_path = str_replace( $theme_url, '', $url );
$img_path = $theme_dir . $rel_path;
}
// Fail if we can't find the image in our WP local directory
if ( empty( $img_path ) ) {
return $url;
}
// check if img path exists, and is an image indeed
if( ! file_exists( $img_path ) || ! getimagesize( $img_path ) ) {
return $url;
}
//get image info
$info = pathinfo( $img_path );
$ext = $info['extension'];
list( $orig_w, $orig_h ) = getimagesize( $img_path );
// support percentage dimensions. compute percentage based on
// the original dimensions
if ( isset( $width ) ) {
if ( stripos( $width, '%' ) !== false ) {
$width = (int) ( (float) str_replace( '%', '', $width ) / 100 * $orig_w );
}
}
if ( isset( $height ) ) {
if ( stripos( $height, '%' ) !== false ) {
$height = (int) ( (float) str_replace( '%', '', $height ) / 100 * $orig_h );
}
}
// The only purpose of this is to determine the final width and height
// without performing any actual image manipulation, which will be used
// to check whether a resize was previously done.
if ( isset( $width ) ) {
//get image size after cropping
$dims = image_resize_dimensions( $orig_w, $orig_h, $width, isset( $height ) ? $height : null, isset( $crop ) ? $crop : false );
$dst_w = $dims[4];
$dst_h = $dims[5];
}
// create the suffix for the saved file
// we can use this to check whether we need to create a new file or just use an existing one.
$suffix = (string) filemtime( $img_path ) .
( isset( $width ) ? str_pad( (string) $width, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $height ) ? str_pad( (string) $height, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $crop ) ? ( $crop ? '1' : '0' ) : '0' ) .
( isset( $src_x ) ? str_pad( (string) $src_x, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $src_y ) ? str_pad( (string) $src_y, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $src_w ) ? str_pad( (string) $src_w, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $src_h ) ? str_pad( (string) $src_h, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $dst_w ) ? str_pad( (string) $dst_w, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( isset( $dst_h ) ? str_pad( (string) $dst_h, 5, '0', STR_PAD_LEFT ) : '00000' ) .
( ( isset ( $quality ) && $quality > 0 && $quality <= 100 ) ? ( $quality ? (string) $quality : '0' ) : '0' );
$suffix = self::base_convert_arbitrary( $suffix, 10, 36 );
// use this to check if cropped image already exists, so we can return that instead
$dst_rel_path = str_replace( '.' . $ext, '', basename( $img_path ) );
// Create the upload subdirectory, this is where
// we store all our generated images
$upload_dir .= "/apollo13_images";
$upload_url .= "/apollo13_images";
if ( ! is_dir( $upload_dir ) ) {
wp_mkdir_p( $upload_dir );
}
// desination paths and urls
$destfilename = "{$upload_dir}/{$dst_rel_path}-{$suffix}.{$ext}";
// The urls generated have lower case extensions regardless of the original case
$ext = strtolower( $ext );
$img_url = "{$upload_url}/{$dst_rel_path}-{$suffix}.{$ext}";
// if file exists, just return it
if ( file_exists( $destfilename ) && getimagesize( $destfilename ) ) {
} else {
// perform resizing
$editor = wp_get_image_editor( $img_path );
if ( is_wp_error( $editor ) ) return false;
/*
* Perform image manipulations
*/
if ( ( isset( $width ) && $width ) || ( isset( $height ) && $height ) ) {
if ( is_wp_error( $editor->resize( isset( $width ) ? $width : null, isset( $height ) ? $height : null, isset( $crop ) ? $crop : false ) ) ) {
return false;
}
}
// set the image quality (1-100) to save this image at
if ( isset( $quality ) && $quality > 0 && $quality <= 100 && $ext != 'png' ) {
$editor->set_quality( $quality );
}
// save our new image
$editor->save( $destfilename );
}
return $img_url;
}
/** Shortens a number into a base 36 string
*
* @param $number string a string of numbers to convert
* @param $fromBase int starting base
* @param $toBase int base to convert the number to
* @return string base converted characters
*/
protected static function base_convert_arbitrary( $number, $fromBase, $toBase ) {
$digits = '0123456789abcdefghijklmnopqrstuvwxyz';
$length = strlen( $number );
$result = '';
$nibbles = array();
for ( $i = 0; $i < $length; ++$i ) {
$nibbles[ $i ] = strpos( $digits, $number[ $i ] );
}
do {
$value = 0;
$newlen = 0;
for ( $i = 0; $i < $length; ++$i ) {
$value = $value * $fromBase + $nibbles[ $i ];
if ( $value >= $toBase ) {
$nibbles[ $newlen++ ] = (int) ( $value / $toBase );
$value %= $toBase;
} else if ( $newlen > 0 ) {
$nibbles[ $newlen++ ] = 0;
}
}
$length = $newlen;
$result = $digits[ $value ] . $result;
}
while ( $newlen != 0 );
return $result;
}
}
// don't use the default resizer since we want to allow resizing to larger sizes (than the original one)
// Parts are copied from media.php
// Crop is always applied
// Don't use this inside the admin since sometimes images in the media library get resized
$ajax_for_vc_grid = defined( 'DOING_AJAX' ) && DOING_AJAX && isset($_POST['action']) && ($_POST['action'] === 'vc_get_vc_grid_data');
$elementor_edit_mode = defined('ELEMENTOR_VERSION') && ( isset( $_REQUEST['action'] ) && ( $_REQUEST['action'] === 'elementor' || $_REQUEST['action'] === 'elementor_ajax') );
if ( ! is_admin() || $ajax_for_vc_grid || $elementor_edit_mode) {
add_filter( 'image_resize_dimensions', 'a13fe_ir_image_resize_dimensions', 10, 6 );
}
function a13fe_ir_image_resize_dimensions( /** @noinspection PhpUnusedParameterInspection */ $payload, $orig_w, $orig_h, $dest_w, $dest_h, /** @noinspection PhpUnusedParameterInspection */ $crop = false ) {
$aspect_ratio = $orig_w / $orig_h;
$new_w = $dest_w;
$new_h = $dest_h;
if ( empty( $new_w ) || $new_w < 0 ) {
$new_w = (int)( $new_h * $aspect_ratio );
}
if ( empty( $new_h ) || $new_h < 0 ) {
$new_h = (int)( $new_w / $aspect_ratio );
}
if( $crop ){
if( $new_w > $orig_w ){
$dest_aspect_ratio = $dest_w / $dest_h;
$new_w = $orig_w;
$new_h = (int)( $new_w / $dest_aspect_ratio );
}
}
else{
//if no crop then set both sizes to max possible value if needed
if( $new_w > $orig_w ){
$new_w = $orig_w;
$new_h = $orig_h;
}
}
$size_ratio = max( $new_w / $orig_w, $new_h / $orig_h );
$crop_w = round( $new_w / $size_ratio );
$crop_h = round( $new_h / $size_ratio );
$s_x = floor( ( $orig_w - $crop_w ) / 2 );
$s_y = floor( ( $orig_h - $crop_h ) / 2 );
// Safe guard against super large or zero images which might cause 500 errors
if ( $new_w > 5000 || $new_h > 5000 || $new_w <= 0 || $new_h <= 0 ) {
return null;
}
// the return array matches the parameters to imagecopyresampled()
// int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h
return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );
}
add_filter( 'image_downsize', 'a13fe_ir_image_downsize', 2, 3 );
function a13fe_ir_image_downsize( /** @noinspection PhpUnusedParameterInspection */ $out, $id, $size ) {
if ( is_array($size) && array_key_exists( 'bfi_thumb', $size ) && is_array( $out ) ) {
return $out;
}
if ( ! is_array( $size ) ) {
return false;
}
if ( ! array_key_exists( 'apollo13_image', $size ) ) {
return false;
}
if ( empty( $size['apollo13_image'] ) ) {
return false;
}
$img_url = wp_get_attachment_url( $id );
$params = $size;
$params['width'] = $size[0];
$params['height'] = $size[1];
$resized_img_url = Apollo13_Image_Resize::thumb( $img_url, $params );
return array( $resized_img_url, $size[0], $size[1], false );
}
}