Pop\Pdf\Parser\Image::scaleImage PHP Метод

    protected function scaleImage($scl)
    {
        // Define the temp scaled image.
        $this->scaledImage = \Pop\File\Dir::getUploadTemp() . DIRECTORY_SEPARATOR . $this->img->getFilename() . '_' . time() . '.' . $this->img->getExt();
        // Scale or resize the image
        if (is_array($scl) && (isset($scl['w']) || isset($scl['h']))) {
            if (isset($scl['w'])) {
                $this->img->resizeToWidth($scl['w']);
            } else {
                if (isset($scl['h'])) {
                    $this->img->resizeToHeight($scl['h']);
                }
            }
        } else {
            if (is_float($scl)) {
                $this->img->scale($scl);
            } else {
                if (is_int($scl)) {
                    $this->img->resize($scl);
                } else {
                    throw new Exception('Error: The image scale value is not valid.');
                }
            }
        }
        // Save and clear the output buffer.
        if ($this->img->getMime() == 'image/jpeg' || $this->img->getMime() == 'image/png' && $this->img->getColorMode() == 'RGB') {
            $this->img->setQuality(90);
        }
        $this->img->save($this->scaledImage);
        // Re-instantiate the newly scaled image object.
        $this->img = new Gd($this->scaledImage);
    }