MPDF full page background

Question

I spent way too much time on this and I can\'t figure out a good 21th century solution.

Simply I have to generate a business card in PDF with a background image, but MPD

Answer 1

In case anyone else needs a background-cover in mPDF and is not helped by background-image-resize, which breaks as soon as it is wrapped by a floated element. Floated elements are often necessary within mPdf because of the abscence of css compliance. Here is a more robust solution for a circled image, with bg-cover simulated.

Get image orientation

function getImageOrientation(string $imgPath){

  list($imgWidth,$imgHeight) = getimagesize($imgPath);

  $aspectRatio = $imgWidth / $imgHeight;

  if($aspectRatio >= 1){
      return array('landscape',$imgWidth,$imgHeight,$aspectRatio);
  }else{
      return array('portrait',$imgWidth,$imgHeight,$aspectRatio);
  }

}

Set own properties to simulate background-cover

public static function returnCircledImage($imgPath, int $size){

    list($orientation,$imgWidth,$imgHeight, $aspectRatio) = getImageOrientation($imgPath);

    if($orientation == 'landscape'){
        $backgroundSize = 'auto 100%'; //fit height, keep aspect ratio
        $calculatedWidth = floor($size * $aspectRatio);
        $calculatedHeight = $size;

        //position center manually
        $dx = -floor(($calculatedWidth - $calculatedHeight) / 2);
        $dy = 0;
    }else{
        $backgroundSize = '100% auto'; //fit width, keep aspect ratio
        $calculatedWidth = $size;
        $calculatedHeight = floor($size * $aspectRatio);

        //position center manually
        $dx = 0;
        $dy = -floor(($calculatedHeight - $calculatedWidth) / 2);
    }

    return sprintf('

        


        ',
        $backgroundSize,
        $dx,
        $dy,
        $size,
        $size,
        $imgPath
    );
}