Better error handling?

So if you try and manipulate an images which is too big you get the following:

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 19008 bytes) in /Library/WebServer/Documents/test/sites/all/modules/imageapi/imageapi_gd.module on line 123

Is there a check we can do before opening the image to know if it's going to request too much memory and exit with a nicer drupal error message?