/**
*
* SUPPORT FOR WP 4.4
*
*/
function wr2x_wp_calculate_image_srcset($srcset, $size)
{
if (wr2x_getoption("disable_responsive", "wr2x_basics", false)) {
return null;
}
$method = wr2x_getoption("method", "wr2x_advanced", 'Picturefill');
if ($method == "none") {
return $srcset;
}
$count = 0;
$total = 0;
$retinized_srcset = $srcset;
if (empty($srcset)) {
return $srcset;
}
foreach ($srcset as $s => $cfg) {
$total++;
$retina = wr2x_get_retina_from_url($cfg['url']);
if (!empty($retina)) {
$count++;
$retinized_srcset[(int) $s * 2] = array('url' => $retina, 'descriptor' => 'w', 'value' => (int) $s * 2);
}
}
wr2x_log("WP's srcset: " . $count . " retina files added out of " . $total . " image sizes");
return $retinized_srcset;
}
function wr2x_vt_resize($file_path, $width, $height, $crop, $newfile, $customCrop = false)
{
$crop_params = $crop == '1' ? true : $crop;
$orig_size = getimagesize($file_path);
$image_src[0] = $file_path;
$image_src[1] = $orig_size[0];
$image_src[2] = $orig_size[1];
$file_info = pathinfo($file_path);
$newfile_info = pathinfo($newfile);
$extension = '.' . $newfile_info['extension'];
$no_ext_path = $file_info['dirname'] . '/' . $file_info['filename'];
$cropped_img_path = $no_ext_path . '-' . $width . 'x' . $height . "-tmp" . $extension;
$image = wp_get_image_editor($file_path);
if (is_wp_error($image)) {
wr2x_log("Resize failure: " . $image->get_error_message());
error_log("Resize failure: " . $image->get_error_message());
return null;
}
// Resize or use Custom Crop
if (!$customCrop) {
$image->resize($width, $height, $crop_params);
} else {
$image->crop($customCrop['x'] * $customCrop['scale'], $customCrop['y'] * $customCrop['scale'], $customCrop['w'] * $customCrop['scale'], $customCrop['h'] * $customCrop['scale'], $width, $height, false);
}
$quality = wr2x_getoption("image_quality", "wr2x_advanced", "80");
if (is_numeric($quality)) {
$image->set_quality(intval($quality));
}
$saved = $image->save($cropped_img_path);
if (rename($saved['path'], $newfile)) {
$cropped_img_path = $newfile;
} else {
trigger_error("Retina: Could not move " . $saved['path'] . " to " . $newfile . ".", E_WARNING);
error_log("Retina: Could not move " . $saved['path'] . " to " . $newfile . ".");
return null;
}
$new_img_size = getimagesize($cropped_img_path);
$new_img = str_replace(basename($image_src[0]), basename($cropped_img_path), $image_src[0]);
$vt_image = array('url' => $new_img, 'width' => $new_img_size[0], 'height' => $new_img_size[1]);
return $vt_image;
}
function wr2x_delete_images($meta)
{
if (!wr2x_is_image_meta($meta)) {
return $meta;
}
$sizes = $meta['sizes'];
if (!$sizes || !is_array($sizes)) {
return $meta;
}
wr2x_log("* DELETE RETINA FOR ATTACHMENT '{$meta['file']}'");
$originalfile = $meta['file'];
$id = wr2x_get_attachment_id($originalfile);
$pathinfo = pathinfo($originalfile);
$uploads = wp_upload_dir();
$basepath = trailingslashit($uploads['basedir']) . $pathinfo['dirname'];
foreach ($sizes as $name => $attr) {
$pathinfo = pathinfo($attr['file']);
$retina_file = $pathinfo['filename'] . wr2x_retina_extension() . $pathinfo['extension'];
if (file_exists(trailingslashit($basepath) . $retina_file)) {
$fullpath = trailingslashit($basepath) . $retina_file;
unlink($fullpath);
do_action('wr2x_retina_file_removed', $id, $retina_file);
wr2x_log("Deleted '{$fullpath}'.");
}
}
// Remove full-size if there is any
$pathinfo = pathinfo($originalfile);
$retina_file = $pathinfo['filename'] . wr2x_retina_extension() . $pathinfo['extension'];
if (file_exists(trailingslashit($basepath) . $retina_file)) {
$fullpath = trailingslashit($basepath) . $retina_file;
unlink($fullpath);
do_action('wr2x_retina_file_removed', $id, $retina_file);
wr2x_log("Deleted '{$fullpath}'.");
}
return $meta;
}
function wr2x_check_get_ajax_uploaded_file()
{
if (!current_user_can('upload_files')) {
echo json_encode(array('success' => false, 'message' => __("You do not have permission to upload files.", 'wp-retina-2x')));
die;
}
$data = $_POST['data'];
// Create the file as a TMP
if (is_writable(sys_get_temp_dir())) {
$tmpfname = tempnam(sys_get_temp_dir(), "wpx_");
wr2x_log("Upload a temporary file in {$tmpfname} (sys_get_temp_dir).");
} else {
if (is_writable(wr2x_get_upload_root())) {
if (!file_exists(trailingslashit(wr2x_get_upload_root()) . "wr2x-tmp")) {
mkdir(trailingslashit(wr2x_get_upload_root()) . "wr2x-tmp");
}
$tmpfname = tempnam(trailingslashit(wr2x_get_upload_root()) . "wr2x-tmp", "wpx_");
wr2x_log("Upload a temporary file in {$tmpfname} (wr2x_get_upload_root).");
}
}
if ($tmpfname == null || $tmpfname == FALSE) {
$tmpdir = get_temp_dir();
error_log("Retina: The temporary directory could not be created.");
wr2x_log("The temporary directory could not be created.");
echo json_encode(array('success' => false, 'message' => __("The temporary directory could not be created.", 'wp-retina-2x')));
die;
}
$handle = fopen($tmpfname, "w");
fwrite($handle, base64_decode($data));
fclose($handle);
chmod($tmpfname, 0664);
// Check if it is an image
$file_info = getimagesize($tmpfname);
if (empty($file_info)) {
wr2x_log("The file is not an image or the upload went wrong.");
unlink($tmpfname);
echo json_encode(array('success' => false, 'message' => __("The file is not an image or the upload went wrong.", 'wp-retina-2x')));
die;
}
$filedata = wp_check_filetype_and_ext($tmpfname, $_POST['filename']);
if ($filedata["ext"] == "") {
wr2x_log("You cannot use this file (wrong extension? wrong type?).");
unlink($current_file);
echo json_encode(array('success' => false, 'message' => __("You cannot use this file (wrong extension? wrong type?).", 'wp-retina-2x')));
die;
}
wr2x_log("The temporary file was written successfully.");
return $tmpfname;
}
function wr2x_generate_images($meta)
{
require 'wr2x_vt_resize.php';
$sizes = wr2x_get_image_sizes();
$originalfile = $meta['file'];
$uploads = wp_upload_dir();
$pathinfo = pathinfo($originalfile);
$original_basename = $pathinfo['basename'];
$basepath = trailingslashit($uploads['basedir']) . $pathinfo['dirname'];
$ignore = wr2x_getoption("ignore_sizes", "wr2x_basics", array());
$issue = false;
$id = wr2x_get_attachment_id($meta['file']);
wr2x_log("** RETINA INFO FOR ATTACHMENT '{$meta['file']}' **");
wr2x_log("- Original: {$original_basename}");
foreach ($sizes as $name => $attr) {
if (in_array($name, $ignore)) {
wr2x_log("- {$name} => IGNORED");
continue;
}
// Is the file related to this size there?
$pathinfo = null;
$retina_file = null;
if (isset($meta['sizes'][$name]) && isset($meta['sizes'][$name]['file'])) {
$normal_file = trailingslashit($basepath) . $meta['sizes'][$name]['file'];
$pathinfo = pathinfo($normal_file);
$retina_file = trailingslashit($pathinfo['dirname']) . $pathinfo['filename'] . wr2x_retina_extension() . $pathinfo['extension'];
}
if ($retina_file && file_exists($retina_file)) {
wr2x_log("- {$name}: {$normal_file} -> {$retina_file} => EXISTS");
continue;
}
if ($retina_file) {
$originalfile = trailingslashit($pathinfo['dirname']) . $original_basename;
if (!file_exists($originalfile)) {
wr2x_log("- The Original File '{$originalfile}' cannot be found.");
return $meta;
}
// Maybe that new image is exactly the size of the original image.
// In that case, let's make a copy of it.
if ($meta['sizes'][$name]['width'] * 2 == $meta['width'] && $meta['sizes'][$name]['height'] * 2 == $meta['height']) {
wr2x_log("- {$name}: {$originalfile} -> {$retina_file} => COPY");
copy($originalfile, $retina_file);
} else {
if ($meta['sizes'][$name]['width'] * 2 <= $meta['width'] && $meta['sizes'][$name]['height'] * 2 <= $meta['height']) {
$image = wr2x_vt_resize($originalfile, $meta['sizes'][$name]['width'] * 2, $meta['sizes'][$name]['height'] * 2, $retina_file);
}
}
if (!file_exists($retina_file)) {
wr2x_log("- {$name}: {$normal_file} -> {$retina_file} => FAIL");
$issue = true;
} else {
do_action('wr2x_retina_file_added', $id, $retina_file);
wr2x_log("- {$name}: {$normal_file} -> {$retina_file} => RESIZE");
}
} else {
wr2x_log("- {$name} => MISSING");
}
}
// Checks attachment ID + issues
if (!$id) {
return $meta;
}
if ($issue) {
wr2x_add_issue($id);
} else {
wr2x_remove_issue($id);
}
return $meta;
}
function wr2x_check_get_ajax_uploaded_file()
{
if (!current_user_can('upload_files')) {
echo json_encode(array('success' => false, 'message' => __("You do not have permission to upload files.", 'wp-retina-2x')));
die;
}
$tmpfname = $_FILES['file']['tmp_name'];
// Check if it is an image
$file_info = getimagesize($tmpfname);
if (empty($file_info)) {
wr2x_log("The file is not an image or the upload went wrong.");
unlink($tmpfname);
echo json_encode(array('success' => false, 'message' => __("The file is not an image or the upload went wrong.", 'wp-retina-2x')));
die;
}
$filedata = wp_check_filetype_and_ext($tmpfname, $_POST['filename']);
if ($filedata["ext"] == "") {
wr2x_log("You cannot use this file (wrong extension? wrong type?).");
unlink($current_file);
echo json_encode(array('success' => false, 'message' => __("You cannot use this file (wrong extension? wrong type?).", 'wp-retina-2x')));
die;
}
wr2x_log("The temporary file was written successfully.");
return $tmpfname;
}
