core-bundle/src/Resources/contao/library/Contao/Picture.php
public static function create($file, $size=null)
	{
		if (\is_string($file))
		{
			$file = new File(rawurldecode($file));
		}

		$imageSize = null;
		$picture = new static($file);

		// tl_image_size ID as resize mode
		if (\is_array($size) && !empty($size[2]) && is_numeric($size[2]))
		{
			$size = (int) $size[2];
		}

		$imageSize = null;

		if (!\is_array($size))
		{
			$imageSize = ImageSizeModel::findByPk($size);

			if ($imageSize === null)
			{
				$size = array();
			}
		}

		if (\is_array($size))
		{
			$size += array(0, 0, 'crop');

			$imageSize = new \stdClass();
			$imageSize->width = $size[0];
			$imageSize->height = $size[1];
			$imageSize->resizeMode = $size[2];
			$imageSize->zoom = 0;
		}

		$picture->setImageSize($imageSize);

		if ($imageSize !== null && !empty($imageSize->id))
		{
			$picture->setImageSizeItems(ImageSizeItemModel::findVisibleByPid($imageSize->id, array('order'=>'sorting ASC')));
		}

		$fileRecord = FilesModel::findByPath($file->path);

		if ($fileRecord !== null && $fileRecord->importantPartWidth && $fileRecord->importantPartHeight)
		{
			$picture->setImportantPart(array
			(
				'x' => (int) $fileRecord->importantPartX,
				'y' => (int) $fileRecord->importantPartY,
				'width' => (int) $fileRecord->importantPartWidth,
				'height' => (int) $fileRecord->importantPartHeight,
			));
		}

		return $picture;
	}
public static function create($file, $size=null)
	{
		if (\is_string($file))
		{
			$file = new File(rawurldecode($file));
		}

		$imageSize = null;
		$picture = new static($file);

		// tl_image_size ID as resize mode
		if (\is_array($size) && !empty($size[2]) && is_numeric($size[2]))
		{
			$size = (int) $size[2];
		}

		$imageSize = null;

		if (!\is_array($size))
		{
			$imageSize = ImageSizeModel::findByPk($size);

			if ($imageSize === null)
			{
				$size = array();
			}
		}

		if (\is_array($size))
		{
			$size += array(0, 0, 'crop');

			$imageSize = new \stdClass();
			$imageSize->width = $size[0];
			$imageSize->height = $size[1];
			$imageSize->resizeMode = $size[2];
			$imageSize->zoom = 0;
		}

		$picture->setImageSize($imageSize);

		if ($imageSize !== null && !empty($imageSize->id))
		{
			$picture->setImageSizeItems(ImageSizeItemModel::findVisibleByPid($imageSize->id, array('order'=>'sorting ASC')));
		}

		$fileRecord = FilesModel::findByPath($file->path);

		if ($fileRecord !== null && $fileRecord->importantPartWidth && $fileRecord->importantPartHeight)
		{
			$picture->setImportantPart(array
			(
				'x' => (int) $fileRecord->importantPartX,
				'y' => (int) $fileRecord->importantPartY,
				'width' => (int) $fileRecord->importantPartWidth,
				'height' => (int) $fileRecord->importantPartHeight,
			));
		}

		return $picture;
	}
Create a picture instance from the given image path and size

@param string|File   $file The image path or File instance
@param array|integer $size The image size as array (width, height, resize mode) or an tl_image_size ID

@return static The created picture instance