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 ImageSetDrawingTransparency { 027 028 public static String call(PageContext pc, Object name) throws PageException { 029 return call(pc, name,1.0); 030 } 031 public static String call(PageContext pc, Object name, double percent) throws PageException { 032 //if(name instanceof String) name=pc.getVariable(Caster.toString(name)); 033 Image img = Image.toImage(pc,name); 034 035 if (percent < 0.0 || percent > 100.0) 036 throw new FunctionException(pc,"ImageSetDrawingTransparency",2,"percent","value must be between 0 and 100"); 037 img.setTranparency((float)percent); 038 return null; 039 } 040}