001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.runtime.functions.image;
020
021import lucee.runtime.PageContext;
022import lucee.runtime.exp.FunctionException;
023import lucee.runtime.exp.PageException;
024import lucee.runtime.img.Image;
025
026public class ImageCrop {
027
028        public static String call(PageContext pc, Object name, double x, double y, double width, double height) throws PageException {
029                //if(name instanceof String) name=pc.getVariable(Caster.toString(name));
030                Image img = Image.toImage(pc,name);
031                
032                if (width < 0)
033                    throw new FunctionException(pc,"ImageCrop",3,"width","width must contain a none negative value");
034                if (height < 0)
035                    throw new FunctionException(pc,"ImageCrop",4,"height","width must contain a none negative value");
036                
037                img.crop((float)x, (float)y, (float)width, (float)height);
038                return null;
039        }
040        
041}