/**
* Create image thumbnails
* If coordinates are not set, $entity metadata will be used
*
* @param ElggEntity $entity Entity
* @param int $x1 Upper left crooping coordinate
* @param int $y1 Upper left crooping coordinate
* @param int $x2 Lower right cropping coordinate
* @param int $y2 Lower right cropping coordinate
* @return Thumb[]|false
*/
public function createThumbs(ElggEntity $entity, $x1 = null, $y1 = null, $x2 = null, $y2 = null)
{
if (!$this->isImage($entity)) {
return false;
}
$this->clearThumbs($entity);
$x1 = isset($x1) ? (int) $x1 : (int) $entity->x1;
$y1 = isset($y1) ? (int) $y1 : (int) $entity->y1;
$x2 = isset($x2) ? (int) $x2 : (int) $entity->x2;
$y2 = isset($y2) ? (int) $y2 : (int) $entity->y2;
$crop_width = $x2 - $x1;
$crop_height = $y2 - $y1;
$error = false;
$thumbs = [];
$sizes = $this->getThumbSizes($entity);
foreach ($sizes as $size => $opts) {
$width = elgg_extract('w', $opts);
$height = elgg_extract('h', $opts);
$square = elgg_extract('square', $opts);
$croppable = elgg_extract('croppable', $opts, $square);
$mode = elgg_extract('mode', $opts);
$metadata_name = elgg_extract('metadata_name', $opts);
if ($metadata_name && $entity->{$metadata_name}) {
$filestorename = $entity->{$metadata_name};
} else {
$directory = $this->getThumbDirectory($entity);
$filename = $this->getThumbFilename($entity, $size);
$filestorename = "{$directory}/{$filename}";
}
$thumb = new Thumb();
$thumb->owner_guid = $entity->owner_guid;
$thumb->setFilename($filestorename);
if (!$thumb->exists()) {
$thumb->open('write');
$thumb->close();
}
$thumbs[] = $thumb;
$params = ['entity' => $entity, 'thumb' => $thumb];
$options = elgg_trigger_plugin_hook('options', 'imagine', $params, []);
try {
ini_set('memory_limit', '256M');
if ($mode != 'outbound' && $mode != 'inset') {
$mode = $square ? 'outbound' : 'inset';
}
$box = new Box($width, $height);
$image = $this->imagine->open($entity->getFilenameOnFilestore());
if ($croppable && $crop_width > 0 && $crop_height > 0) {
$image = $image->crop(new Point($x1, $y1), new Box($crop_width, $crop_height));
}
$image = $image->thumbnail($box, $mode);
$image->save($thumb->getFilenameOnFilestore(), $options);
unset($image);
if (!empty($opts['metadata_name'])) {
$md_name = $opts['metadata_name'];
$entity->{$md_name} = $thumb->getFilename();
}
} catch (Exception $ex) {
elgg_log($ex->getMessage(), 'ERROR');
$error = true;
}
}
if ($error) {
foreach ($thumbs as $thumb) {
$thumb->delete();
}
return false;
}
$entity->icon_owner_guid = $entity->owner_guid;
return $thumbs;
}
