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 ImageClearRect { 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); 014 015 016 if (width < 0) 017 throw new FunctionException(pc,"ImageClearRect",3,"width","width must contain a none negative value"); 018 if (height < 0) 019 throw new FunctionException(pc,"ImageClearRect",4,"height","width must contain a none negative value"); 020 021 img.clearRect((int)x, (int)y, (int)width, (int)height); 022 return null; 023 } 024 025 }