/**
* Crops Image.
*
* @since 3.5.0
* @access public
*
* @param string|int $src The source file or Attachment ID.
* @param int $src_x The start x position to crop from.
* @param int $src_y The start y position to crop from.
* @param int $src_w The width to crop.
* @param int $src_h The height to crop.
* @param int $dst_w Optional. The destination width.
* @param int $dst_h Optional. The destination height.
* @param boolean $src_abs Optional. If the source crop points are absolute.
* @return boolean|WP_Error
*/
public function crop($src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false)
{
if (pte_is_crop_border_enabled($src_w, $src_h, $dst_w, $dst_h)) {
// Crop the image to the correct aspect ratio...
$ar = $src_w / $src_h;
$dst_ar = $dst_w / $dst_h;
if ($dst_ar > $ar) {
// constrain to the dst_h
$tmp_dst_h = $dst_h;
$tmp_dst_w = $dst_h * $ar;
$tmp_dst_y = 0;
$tmp_dst_x = $dst_w / 2 - $tmp_dst_w / 2;
} else {
$tmp_dst_w = $dst_w;
$tmp_dst_h = $dst_w / $ar;
$tmp_dst_x = 0;
$tmp_dst_y = $dst_h / 2 - $tmp_dst_h / 2;
}
// copy $this->image unto a new image with the right width/height.
$img = wp_imagecreatetruecolor($dst_w, $dst_h);
if (function_exists('imageantialias')) {
imageantialias($img, true);
}
if (pte_is_crop_border_opaque()) {
$c = self::getRgbFromHex($_GET['pte-fit-crop-color']);
$color = imagecolorallocate($img, $c[0], $c[1], $c[2]);
} else {
PteLogger::debug("setting transparent/white");
//$color = imagecolorallocate( $img, 100, 100, 100 );
$color = imagecolorallocatealpha($img, 255, 255, 255, 127);
}
imagefilledrectangle($img, 0, 0, $dst_w, $dst_h, $color);
imagecopyresampled($img, $this->image, $tmp_dst_x, $tmp_dst_y, $src_x, $src_y, $tmp_dst_w, $tmp_dst_h, $src_w, $src_h);
if (is_resource($img)) {
imagedestroy($this->image);
$this->image = $img;
$this->update_size();
return true;
}
return new WP_Error('image_crop_error', __('Image crop failed.'), $this->file);
}
return parent::crop($src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs);
}
/**
* Crops Image.
*
* @since 3.5.0
* @access public
*
* @param string|int $src The source file or Attachment ID.
* @param int $src_x The start x position to crop from.
* @param int $src_y The start y position to crop from.
* @param int $src_w The width to crop.
* @param int $src_h The height to crop.
* @param int $dst_w Optional. The destination width.
* @param int $dst_h Optional. The destination height.
* @param boolean $src_abs Optional. If the source crop points are absolute.
* @return boolean|WP_Error
*/
public function crop($src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false)
{
if (pte_is_crop_border_enabled($src_w, $src_h, $dst_w, $dst_h)) {
// Crop the image to the correct aspect ratio...
$ar = $src_w / $src_h;
$dst_ar = $dst_w / $dst_h;
if ($dst_ar > $ar) {
// constrain to the dst_h
$tmp_dst_h = $dst_h;
$tmp_dst_w = $dst_h * $ar;
$tmp_dst_y = 0;
$tmp_dst_x = $dst_w / 2 - $tmp_dst_w / 2;
} else {
$tmp_dst_w = $dst_w;
$tmp_dst_h = $dst_w / $ar;
$tmp_dst_x = 0;
$tmp_dst_y = $dst_h / 2 - $tmp_dst_h / 2;
}
if (pte_is_crop_border_opaque()) {
$color = new ImagickPixel($_GET['pte-fit-crop-color']);
}
try {
// crop the original image
$this->image->cropImage($src_w, $src_h, $src_x, $src_y);
$this->image->scaleImage($tmp_dst_w, $tmp_dst_h);
// Create a new image and then compose the old one onto it.
$img = new Imagick();
$img->newImage($dst_w, $dst_h, isset($color) ? $color : 'white');
$img->setImageFormat($this->image->getImageFormat());
if (!isset($color)) {
$img->setImageOpacity(0.0);
}
$img->compositeImage($this->image, Imagick::COMPOSITE_DEFAULT, $tmp_dst_x, $tmp_dst_y);
$img->flattenImages();
$this->image = $img;
} catch (Exception $e) {
return new WP_Error('image_crop_error', __('Image crop failed.'), $this->file);
}
return $this->update_size();
}
return parent::crop($src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs);
}
function pte_resize_images()
{
$logger = PteLogger::singleton();
global $pte_sizes;
// Require JSON output
pte_require_json();
$id = intval($_GET['id']);
$w = pte_check_int($_GET['w']);
$h = pte_check_int($_GET['h']);
$x = pte_check_int($_GET['x']);
$y = pte_check_int($_GET['y']);
$save = isset($_GET['save']) && strtolower($_GET['save']) === "true";
if (pte_check_id($id) === false || $w === false || $h === false || $x === false || $y === false) {
return pte_json_error("ResizeImages initialization failed: '{$id}-{$w}-{$h}-{$x}-{$y}'");
}
// Check nonce
if (!check_ajax_referer("pte-resize-{$id}", 'pte-nonce', false)) {
return pte_json_error("CSRF Check failed");
}
// Get the sizes to process
$pte_sizes = $_GET['pte-sizes'];
if (!is_array($pte_sizes)) {
$logger->debug("Converting pte_sizes to array");
$pte_sizes = explode(",", $pte_sizes);
}
$sizes = pte_get_all_alternate_size_information($id);
// The following information is common to all sizes
// *** common-info
$original_file = _load_image_to_edit_path($id);
$original_size = @getimagesize($original_file);
// SETS $PTE_TMP_DIR and $PTE_TMP_URL
extract(pte_tmp_dir());
$thumbnails = array();
if (!$original_size) {
return pte_json_error("Could not read image size");
}
$logger->debug("BASE FILE DIMENSIONS/INFO: " . print_r($original_size, true));
list($orig_w, $orig_h, $orig_type) = $original_size;
// *** End common-info
// So this never interrupts the jpeg_quality anywhere else
add_filter('jpeg_quality', 'pte_get_jpeg_quality');
add_filter('wp_editor_set_quality', 'pte_get_jpeg_quality');
foreach ($sizes as $size => $data) {
// Get all the data needed to run image_create
//
// $dst_w, $dst_h
extract(pte_get_width_height($data, $w, $h));
$logger->debug("WIDTHxHEIGHT: {$dst_w} x {$dst_h}");
// Set the cropped filename
$transparent = pte_is_crop_border_enabled($w, $h, $dst_w, $dst_h) && !pte_is_crop_border_opaque();
$basename = pte_generate_filename($original_file, $dst_w, $dst_h, $transparent);
$tmpfile = "{$PTE_TMP_DIR}{$id}" . DIRECTORY_SEPARATOR . "{$basename}";
// === CREATE IMAGE ===================
// This function is in wp-includes/media.php
// We've added a filter to return our own editor which extends the wordpress one.
add_filter('wp_image_editors', 'pte_image_editors');
$editor = wp_get_image_editor($original_file);
if (is_a($editor, "WP_Image_Editor_Imagick")) {
$logger->debug("EDITOR: ImageMagick");
}
if (is_a($editor, "WP_Image_Editor_GD")) {
$logger->debug("EDITOR: GD");
}
$crop_results = $editor->crop($x, $y, $w, $h, $dst_w, $dst_h);
if (is_wp_error($crop_results)) {
$logger->error("Error creating image: {$size}");
continue;
}
// The directory containing the original file may no longer exist when
// using a replication plugin.
wp_mkdir_p(dirname($tmpfile));
$tmpfile = dirname($tmpfile) . '/' . wp_unique_filename(dirname($tmpfile), basename($tmpfile));
$tmpurl = "{$PTE_TMP_URL}{$id}/" . basename($tmpfile);
if (is_wp_error($editor->save($tmpfile))) {
$logger->error("Error writing image: {$size} to '{$tmpfile}'");
continue;
}
// === END CREATE IMAGE ===============
// URL: wp_upload_dir => base_url/subdir + /basename of $tmpfile
// This is for the output
$thumbnails[$size]['url'] = $tmpurl;
$thumbnails[$size]['file'] = basename($tmpfile);
}
// Did you process anything?
if (count($thumbnails) < 1) {
return pte_json_error("No images processed");
}
$ptenonce = wp_create_nonce("pte-{$id}");
// If save -- return pte_confirm_images
if ($save) {
function create_pte_confirm($thumbnail)
{
return $thumbnail['file'];
}
$_REQUEST['pte-nonce'] = $ptenonce;
$_GET['pte-confirm'] = array_map('create_pte_confirm', $thumbnails);
$logger->debug("CONFIRM:");
$logger->debug(print_r($_GET, true));
return pte_confirm_images(true);
}
return pte_json_encode(array('thumbnails' => $thumbnails, 'pte-nonce' => $ptenonce, 'pte-delete-nonce' => wp_create_nonce("pte-delete-{$id}")));
}
