/**
* Calculate the left and top offset of the barcode in the
* rendering support
*
* @param float $supportHeight
* @param float $supportWidth
* @return void
*/
protected function _adjustPosition($supportHeight, $supportWidth)
{
$barcodeHeight = $this->_barcode->getHeight(true) * $this->_moduleSize;
if ($barcodeHeight != $supportHeight && $this->_topOffset == 0) {
switch ($this->_verticalPosition) {
case 'middle':
$this->_topOffset = floor(($supportHeight - $barcodeHeight) / 2);
break;
case 'bottom':
$this->_topOffset = $supportHeight - $barcodeHeight;
break;
case 'top':
default:
$this->_topOffset = 0;
break;
}
}
$barcodeWidth = $this->_barcode->getWidth(true) * $this->_moduleSize;
if ($barcodeWidth != $supportWidth && $this->_leftOffset == 0) {
switch ($this->_horizontalPosition) {
case 'center':
$this->_leftOffset = floor(($supportWidth - $barcodeWidth) / 2);
break;
case 'right':
$this->_leftOffset = $supportWidth - $barcodeWidth;
break;
case 'left':
default:
$this->_leftOffset = 0;
break;
}
}
}