/**
* 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:
$this->leftOffset = 0;
break;
}
}
}
protected function doDrawBarcode($x, $y, Barcode $barcode)
{
$renderer = new \Zend\Barcode\Renderer\Image(array());
$imageResource = imagecreate($barcode->getWidth(true) + 1, $barcode->getHeight(true) + 1);
$renderer->setResource($imageResource);
$renderer->setBarcode($barcode);
$renderer->draw();
ob_start();
imagepng($imageResource);
$image = ob_get_clean();
@imagedestroy($image);
$image = $this->imagine->load($image);
$image = $image->resize(new Box($image->getSize()->getWidth() / 2, $image->getSize()->getHeight() / 2));
list($currentImage, $point) = $this->getCurrentClip();
$currentImage->paste($image, $this->translatePoint($point, $x, $this->convertYCoord($y)));
}