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 ImageCrop { 010 011 public static String call(PageContext pc, Object name, double x, double y, double width, double height) throws PageException { 012 if(name instanceof String) name=pc.getVariable(Caster.toString(name)); 013 Image img = Image.toImage(name); 014 015 if (width < 0) 016 throw new FunctionException(pc,"ImageCrop",3,"width","width must contain a none negative value"); 017 if (height < 0) 018 throw new FunctionException(pc,"ImageCrop",4,"height","width must contain a none negative value"); 019 020 img.crop((float)x, (float)y, (float)width, (float)height); 021 return null; 022 } 023 024 }