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<?php
abstract class Upload
{
protected static $dir_image_cache = 'media/cache/images';
public static function getGreagwarImage($file_path)
{
require_once PATH . '/lib/GreagwarImage/GreagwarImage.php';
$greagwar_image = new GreagwarImage($file_path);
$greagwar_image->setCacheDir(Config::get('PATH_WEB_ROOT') . DIRECTORY_SEPARATOR . self::$dir_image_cache);
return $greagwar_image;
}
/**
* @param $class string
* @param $file array (ex. ['tmp_name' => '...', 'name' => '...', 'type' => '...'])
* @param $force_create_variants bool
* @return Image
* @throws ErrorException
*/
public static function image($class, $file, $force_create_variants = true)
{
/**
* @var $image Image
*/
Image::checkSubClass($class);
$image = new $class;
$image->original_filename = $file['name'];
$greagwar_image = self::getGreagwarImage($file['tmp_name']);
self::saveImage($image, $greagwar_image);
if ($force_create_variants) {
$sizes = $image->getSizes();
foreach ($sizes as $size) {
$size_parts = explode('x', $size);
self::saveImage($image->getImageVariant($size), $greagwar_image, $size_parts[0] ? : null, $size_parts[1] ? : null);
}
}
return $image;
}
/**
* @param $image ImageVariant|Image
* @param $greagwar_image GreagwarImage
* @param null $width
* @param null $height
* @param bool $crop TODO: разъяснить за что отвечает этот "магический" параметер
*/
public static function saveImage($image, $greagwar_image, $width = null, $height = null, $crop = true)
{
$greagwar_image = clone($greagwar_image);
if ($width || $height) {
$greagwar_image->resize($width, $height, 0xffffff, false, false, $crop);
}
$image->type = $greagwar_image->guessType();
$file_path = $greagwar_image->cacheFile($image->type, 87, true);
$image->size = filesize($file_path);
$path_parts = pathinfo($file_path);
$image->path = preg_replace('#^' . Config::get('PATH_WEB_ROOT') . '/#', '', $path_parts['dirname']);
$image->filename = $path_parts['basename'];
$image->width = $greagwar_image->width();
$image->height = $greagwar_image->height();
}
}