114 lines
4.6 KiB
PHP
114 lines
4.6 KiB
PHP
<?php
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abstract class Upload
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{
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public static $dir_image_cache = 'media/cache/images';
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public static function getGreagwarImage($file_path)
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{
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require_once PATH . '/lib/GreagwarImage/GreagwarImage.php';
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$greagwar_image = new GreagwarImage($file_path);
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$greagwar_image->setCacheDir(Config::get('PATH_WEB_ROOT') . DIRECTORY_SEPARATOR . self::$dir_image_cache);
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return $greagwar_image;
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}
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public static function getFilePath($image)
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{
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return Config::get('PATH_WEB_ROOT') . DIRECTORY_SEPARATOR . $image->path . DIRECTORY_SEPARATOR . $image->filename;
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}
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/**
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* @param $class string|Image
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* @param $file array (ex. ['tmp_name' => '...', 'name' => '...', 'type' => '...'])
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* @param $force_create_variants bool
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* @return Image
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* @throws ErrorException
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* TODO: Рефакторинг: убрать параметр $force_create_variants
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*/
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public static function image($class, $file, $force_create_variants = true)
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{
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/**
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* @var $image Image
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*/
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if (is_null($class) || $class == '') {
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throw new ErrorException('Class not defined.');
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}
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if (!is_object($class) && !class_exists($class)) {
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throw new ErrorException('Class "' . $class . '" not exists.');
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}
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Image::checkSubClass($class);
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$image = is_object($class) ? $class : new $class;
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$image->original_filename = $file['name'];
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$greagwar_image = self::getGreagwarImage($file['tmp_name']);
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self::saveImage($image, $greagwar_image, $class::getMaxWidth(), $class::getMaxHeight());
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if ($force_create_variants) {
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$sizes = $image->getSizes();
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foreach ($sizes as $size) {
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self::imageVariant($image, $size);
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}
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}
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// В случае, если был передан объект, возвращение результата не имеет значения
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return $image;
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}
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/**
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* @param $image Image
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* @param $size string @ex '1200x960'
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* @param $greagwar_image GreagwarImage
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*/
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public static function imageVariant($image, $size, $greagwar_image = null)
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{
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$image_variant = new ImageVariant();
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if (is_null($greagwar_image)) {
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$greagwar_image = self::getGreagwarImage(self::getFilePath($image));
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}
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$size_parts = explode('x', $size);
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self::saveImage($image_variant, $greagwar_image, $size_parts[0] ? : null, $size_parts[1] ? : null);
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$image->variants[$size] = $image_variant;
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if (Config::get('PYTHON_PIL_RESIZE')) {
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$script_file_path = Config::get('PYTHON_PIL_RESIZE')->script_file_path;
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ob_start();
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exec($script_file_path . ' --width=' . $size_parts[0] . ' --height=' . $size_parts[1] . ' ' . self::getFilePath($image) . ' ' . self::getFilePath($image_variant));
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ob_clean();
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}
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}
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/**
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* @param $image ImageVariant|Image
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* @param $greagwar_image GreagwarImage
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* @param null $width
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* @param null $height
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* TODO: Сделать возможность передавать параметры для метода _resize()
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*/
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public static function saveImage($image, $greagwar_image, $width = null, $height = null)
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{
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$greagwar_image = clone($greagwar_image);
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if ($width || $height) {
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if (!(ImageVariant::getIsClass($image)) && Image::getIsSubClass($image)) {
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$greagwar_image->resize($width, $height, 0xffffff, $force = false, $rescale = false, $crop = true);
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} else {
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$greagwar_image->resize($width, $height, 0xffffff, $force = false, $rescale = false, $crop = false);
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}
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}
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$image->type = $greagwar_image->guessType();
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$file_path = $greagwar_image->cacheFile($image->type, $quality = 100, true);
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chmod($file_path, 0664);
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$image->size = filesize($file_path);
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$path_parts = pathinfo($file_path);
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$image->path = preg_replace('#^' . Config::get('PATH_WEB_ROOT') . '/#', '', $path_parts['dirname']);
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$image->filename = $path_parts['basename'];
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$image->width = $greagwar_image->width();
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$image->height = $greagwar_image->height();
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}
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public static function brightnessContrast($image, $value = '0x7')
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{
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$file_path = self::getFilePath($image);
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$output = shell_exec("convert {$file_path} -brightness-contrast {$value} {$file_path} 2>&1");
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if (isset($output) && $output) {
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if (class_exists('ErrorMessage')) {
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ErrorMessage::log($output);
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}
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}
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}
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} |