get image dimensions

[Dan Korneff]

Is it possible to get the dimensions of an image in the Images directory via script?

[ustk]

@dustbro +1 here

[ulrik]

@dustbro +1

[ustk]

I've just added two methods to get the width/height of an image that is loaded into a panel. (not from directory though, maybe this could be added to the File API)

https://github.com/christophhart/HISE/pull/289/commits/9aab1f561ab364ee95682d5edbc6aa889d86fa76