/**
* Resize images dynamically using wp built in functions
* Original by Victor Teixeira
* Modified by Elio Rivero: multisite check, usage of WP Image Editor class
*
* @global int $blog_id
* @param int $attach_id
* @param string $img_url
* @param int $width
* @param int $height
* @param bool $crop
* @return array
*/
function themify_do_img($attach_id = null, $img_url = null, $width, $height, $crop = false)
{
$upload_info = wp_upload_dir();
$upload_url = $upload_info['baseurl'];
// this is an attachment, so we have the ID
if ($attach_id) {
$image_src = wp_get_attachment_image_src($attach_id, 'full');
$file_path = get_attached_file($attach_id);
// this is not an attachment, let's use the image url
} elseif ($img_url) {
$http = 'http://';
$https = 'https://';
if (false !== stripos($img_url, $https)) {
// if image url begins with https:// make $upload_url match the scheme
$upload_url = str_replace($http, $https, $upload_url);
} elseif (false !== stripos($img_url, $http)) {
// if image url begins with http:// make $upload_url match the scheme
$upload_url = str_replace($https, $http, $upload_url);
}
// If image is remote, return the original image.
$url_host = parse_url($img_url, PHP_URL_HOST);
$this_host = parse_url(get_site_url(), PHP_URL_HOST);
// Return URL as is if it's an image from a different domain
if (str_replace('www.', '', $url_host) != str_replace('www.', '', $this_host)) {
return array('url' => $img_url);
}
// Define path of image.
if (is_multisite() && false === stripos($img_url, $upload_url)) {
$rel_path = preg_replace("#http(.*?)files#", '', $img_url);
} else {
$rel_path = str_replace($upload_url, '', $img_url);
}
$file_path = $upload_info['basedir'] . $rel_path;
/**
* Keeps width and height of original image.
* @var array $orig_size
*/
$orig_size = getimagesize($file_path);
$image_src[0] = $img_url;
$image_src[1] = $orig_size[0];
$image_src[2] = $orig_size[1];
} else {
// if nothing was provided, return original image url
return array('url' => $img_url);
}
$file_info = pathinfo($file_path);
$extension = isset($file_info['extension']) ? '.' . $file_info['extension'] : '';
// the image path without the extension
if (isset($file_info['dirname']) && isset($file_info['filename'])) {
$no_ext_path = $file_info['dirname'] . '/' . $file_info['filename'];
} else {
// we can't do anything, return original image url
return array('url' => $img_url);
}
add_filter('image_resize_dimensions', 'themify_img_resize_dimensions', 10, 5);
$dims = image_resize_dimensions($image_src[1], $image_src[2], $width, $height, $crop);
$new_w = $dims[4];
$new_h = $dims[5];
// Expected image path
$cropped_img_path = $no_ext_path . '-' . $new_w . 'x' . $new_h . $extension;
if ($image_src[1] == $new_w && $image_src[2] == $new_h) {
// default output - without resizing
$ql_image = array('url' => $image_src[0], 'width' => $image_src[1], 'height' => $image_src[2]);
return $ql_image;
}
// check if the resized version exists (for $crop = true, also works for $crop = false if the sizes match)
if (is_file($cropped_img_path)) {
$cropped_img_url = str_replace(basename($image_src[0]), basename($cropped_img_path), $image_src[0]);
if (is_multisite() && false === stripos($img_url, $upload_url)) {
$cropped_img_url = preg_replace("#http(.*?)files#", $upload_url, $cropped_img_url);
}
if (themify_maybe_do_retina_size()) {
$img_file = str_replace($new_w . 'x' . $new_h, $new_w . 'x' . $new_h . '@2x', $cropped_img_path);
themify_do_retina_img($img_url, $width, $height, $crop, $new_w, $new_h, $image_src, $img_file, $file_path);
}
$ql_image = array('url' => $cropped_img_url, 'width' => $new_w, 'height' => $new_h);
return $ql_image;
}
// no cache files - let's finally resize it
$image = wp_get_image_editor($file_path);
if (!is_wp_error($image)) {
$image->set_quality(95);
$image->resize($new_w, $new_h, $crop);
$img_file = $image->generate_filename();
$new_image = $image->save($img_file);
$new_img = str_replace(basename($image_src[0]), basename($new_image['path']), $image_src[0]);
if (is_multisite() && false === stripos($img_url, $upload_url)) {
$new_img = preg_replace("#http(.*?)files#", $upload_url, $new_img);
}
remove_filter('image_resize_dimensions', 'themify_img_resize_dimensions');
// resized output
$ql_image = array('url' => $new_img, 'width' => $new_image['width'], 'height' => $new_image['height']);
// Add the resized dimensions to original image metadata,
// so we can delete resized images if the original image is deleted from Media Library
$attachment_id = themify_get_attachment_id_from_url($img_url);
if ($attachment_id) {
$metadata = wp_get_attachment_metadata($attachment_id);
if (isset($metadata['image_meta'])) {
$metadata['image_meta']['resized_images'][] = $new_w . 'x' . $new_h;
wp_update_attachment_metadata($attachment_id, $metadata);
}
}
if (themify_maybe_do_retina_size()) {
themify_do_retina_img($img_url, $width, $height, $crop, $new_w, $new_h, $image_src, $img_file, $file_path);
}
// Return resized image
return $ql_image;
} else {
// there was an error, return original image url
return array('url' => $img_url);
}
}
/**
* Enqueues the chosen skin, if there was one selected and custom_style.css if it exists
* @since 1.7.4
*/
function themify_enqueue_framework_assets()
{
// Skin stylesheet
if ($skin = themify_get('skin')) {
wp_enqueue_style('themify-skin', themify_https_esc($skin), array('theme-style'), THEMIFY_VERSION);
}
// User stylesheet
if (is_file(get_template_directory() . '/custom_style.css')) {
wp_enqueue_style('custom-style', THEME_URI . '/custom_style.css', array('theme-style'), THEMIFY_VERSION);
}
// Enqueue font icon stylesheet
wp_enqueue_style('themify-icon-font', THEMIFY_URI . '/fontawesome/css/font-awesome.min.css', array(), THEMIFY_VERSION);
// Checks if user enabled retina images.
if (themify_maybe_do_retina_size()) {
// Enqueues retina detection
wp_enqueue_script('themify-retina', THEMIFY_URI . '/js/retina.js', array(), THEMIFY_VERSION, true);
}
}
