mambax7 / XoopsCore25

				unset($phpthumb_ico);

				break;

			default:

				$this->DebugMessage('RenderOutput failed because $this->thumbnailFormat "'.$this->thumbnailFormat.'" is not valid', __FILE__, __LINE__);

				ob_end_clean();

				return false;

		}

		ob_end_clean();

		if (!$this->outputImageData) {

		}

		switch ($this->thumbnailFormat) {

			case 'png':

			case 'ico':

				// image has alpha transparency, but output as PNG or ICO which can handle it

				$this->DebugMessage('skipping AlphaChannelFlatten() because ($this->thumbnailFormat == "'.$this->thumbnailFormat.'")', __FILE__, __LINE__);

				return false;

				break;

			case 'gif':

				// image has alpha transparency, but output as GIF which can handle only single-color transparency