Img::drawImageRectangle

protected function drawImageRectangle(array $params = [])
{
	$result = false;

	$type = (
		isset($params['type'])
			? $params['type']
			: false
		);
	$value = (
		isset($params['value'])
			? intval($params['value'])
			: 0
	);
	$canvas = (
		isset($params['canvas'])
			? $params['canvas']
			: false
	);
	$factor = $this->factor;

	if (
		!$canvas
		|| !$type
		|| $type == ''
	)
	{
		return $result;
	}

	$textTypeValue = StressLevel::getTypeDescription($type, $value);

	if ($textTypeValue <> '')
	{
		$textType = new ImagickDraw();
		$fontPath = $this->getImagePartsPath().'/OpenSans-Semibold.ttf';
		if (!file_exists($fontPath))
		{
			return false;
		}
		$textType->setFont($fontPath);
		$textType->setFillColor('white');
		$textType->setStrokeAntialias(true);
		$textType->setTextAntialias(true);
		$textType->setFontSize($factor*12);

		$error = "";
		if (LANG_CHARSET != "UTF-8")
		{
			$textTypeValue = BitrixMainTextEncoding::convertEncoding($textTypeValue, LANG_CHARSET, "UTF-8", $error);
			if (
				!$textTypeValue
				&& !empty($error)
			)
			{
				$this->errorCollection[] = new Error('CONVERT_CHARSET_ERROR');
				return null;
			}
		}

		$textMetrics = $canvas->queryFontMetrics($textType, $textTypeValue);
		$rectangleWidth = $textMetrics['textWidth']/$factor + 40;
		if ($rectangleWidth < 100)
		{
			$rectangleWidth = 100;
		}
		elseif ($rectangleWidth > 160)
		{
			$rectangleWidth = 160;
		}
	}
	if (!$rectangleWidth)
	{
		return false;
	}

	$fillColor = '#c8cbce';

	switch($type)
	{
		case 'red':
			$fillColor = '#ff5752';
			break;
		case 'green':
			$fillColor = '#9dcf00';
			break;
		case 'yellow':
			$fillColor = '#f7a700';
			break;
		case 'unknown':
			$fillColor = '#c8cbce';
			break;
		default:
	}

	$rectangle = new ImagickDraw();
	$rectangle->setFillColor($fillColor);
	$rectangleLeft = 148;
	$rectangleRight = $rectangleLeft + $rectangleWidth;
	$rectangle->roundRectangle($factor*$rectangleLeft, $factor*17, $factor*$rectangleRight, $factor*37, $factor*11, $factor*11);
	$canvas->drawImage($rectangle);

	if ($textType)
	{
		$textType->setTextAlignment(Imagick::ALIGN_CENTER);
		$textType->annotation($factor*($rectangleLeft + $rectangleWidth/2), $factor*32, $textTypeValue);
		$canvas->drawImage($textType);
	}

	return true;
}