001 package railo.runtime.functions.image; 002 003 import railo.runtime.PageContext; 004 import railo.runtime.exp.PageException; 005 import railo.runtime.img.Image; 006 import railo.runtime.op.Caster; 007 008 public class ImageNegative { 009 010 public static String call(PageContext pc, Object name) throws PageException { 011 if(name instanceof String) name=pc.getVariable(Caster.toString(name)); 012 013 Image.toImage(name).invert(); 014 return null; 015 } 016 }