001 package railo.runtime.functions.image; 002 003 import railo.runtime.PageContext; 004 import railo.runtime.exp.FunctionException; 005 import railo.runtime.exp.PageException; 006 import railo.runtime.img.Image; 007 import railo.runtime.op.Caster; 008 009 public class ImageSharpen { 010 011 public static String call(PageContext pc, Object name) throws PageException { 012 return call(pc, name,1.0); 013 } 014 public static String call(PageContext pc, Object name, double gain) throws PageException { 015 if(name instanceof String) name=pc.getVariable(Caster.toString(name)); 016 Image img = Image.toImage(name); 017 018 if (gain < -1.0 || gain > 2.0) 019 throw new FunctionException(pc,"ImageSharpen",2,"gain","value must be between 1 and 2"); 020 img.sharpen((float)gain); 021 return null; 022 } 023 }