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 ImageGrayscale {
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).grayscale();
014                    return null;
015            }
016    }