Brabijan\Images\ImagePipe::request PHP Method

    public function request($image, $size = NULL, $flags = NULL, $strictMode = FALSE)
    {
        $this->checkSettings();
        if ($image instanceof ImageProvider) {
            $this->setNamespace($image->getNamespace());
            $image = $image->getFilename();
        } elseif (empty($image)) {
            return "#";
        }
        if ($size === NULL) {
            return $this->getPath() . "/" . $this->namespace . $this->originalPrefix . "/" . $image;
        }
        list($width, $height) = explode("x", $size);
        if ($flags == NULL) {
            $flags = NImage::FIT;
        } elseif (!is_int($flags)) {
            switch (strtolower($flags)) {
                case "fit":
                    $flags = NImage::FIT;
                    break;
                case "fill":
                    $flags = NImage::FILL;
                    break;
                case "exact":
                    $flags = NImage::EXACT;
                    break;
                case "shrink_only":
                    $flags = NImage::SHRINK_ONLY;
                    break;
                case "stretch":
                    $flags = NImage::STRETCH;
                    break;
            }
            if (!isset($flags)) {
                throw new Nette\Latte\CompileException('Mode is not allowed');
            }
        }
        $thumbPath = "/" . $this->namespace . $flags . "_" . $width . "x" . $height . "/" . $image;
        $thumbnailFile = $this->assetsDir . $thumbPath;
        $originalFile = $this->assetsDir . "/" . $this->namespace . $this->originalPrefix . "/" . $image;
        if (!file_exists($thumbnailFile)) {
            $this->mkdir(dirname($thumbnailFile));
            if (file_exists($originalFile)) {
                $img = NImage::fromFile($originalFile);
                if ($flags === "crop") {
                    $img->crop('50%', '50%', $width, $height);
                } else {
                    $img->resize($width, $height, $flags);
                }
                $this->onBeforeSaveThumbnail($img, $this->namespace, $image, $width, $height, $flags);
                $img->save($thumbnailFile);
            } elseif ($strictMode) {
                throw new FileNotFoundException();
            }
        }
        $this->namespace = NULL;
        return $this->getPath() . $thumbPath;
    }