When resizing an image with a transparent background using the Imagick class, images with a black background appear. How to fix?

Question

PHP

I am resizing a png image with a transparent background in several copies in jpg format. The transparent background is painted black. How to make it white?

Answer 1

try like this:

$white=new Imagick();
$white->newImage($width, $height, "white");
$white->compositeimage($image, Imagick::COMPOSITE_OVER, 0, 0);
$white->setImageFormat('jpg');
$white->writeImage('image.jpg');