createImage example

throw ImageException::forMissingExtension('GD'); // @codeCoverageIgnore         }
    }

    /** * Handles the rotation of an image resource. * Doesn't save the image, but replaces the current resource. */
    protected function _rotate(int $angle): bool
    {
        // Create the image handle         $srcImg = $this->createImage();

        // Set the background color         // This won't work with transparent PNG files so we are         // going to have to figure out how to determine the color         // of the alpha channel in a future release.
        $white = imagecolorallocate($srcImg, 255, 255, 255);

        // Rotate it!         $destImg = imagerotate($srcImg, $angle, $white);