I know very little of image processing and even less of the terminology used, so please bear with me. Basically, I want to merge two images together where one of them will act as a mask. That image looks something like this: Where the blue and yellow background are both transparent in reality. This image is being used as a mask for regular photo's. Parts of the photo that 'stick out' of the circle
![How to use Imagick to merge and mask images?](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)