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 java.awt.RenderingHints; 022 023import lucee.runtime.PageContext; 024import lucee.runtime.exp.FunctionException; 025import lucee.runtime.exp.PageException; 026import lucee.runtime.img.Image; 027 028public class ImageTranslate { 029 030 public static String call(PageContext pc, Object name, double xTrans, double yTrans) throws PageException { 031 return call(pc, name, xTrans, yTrans,"nearest"); 032 } 033 034 public static String call(PageContext pc, Object name, double xTrans, double yTrans, String strInterpolation) throws PageException { 035 //if(name instanceof String) name=pc.getVariable(Caster.toString(name)); 036 Image img = Image.toImage(pc,name); 037 038 strInterpolation=strInterpolation.toLowerCase().trim(); 039 Object interpolation = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR; 040 041 if("nearest".equals(strInterpolation)) interpolation = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR; 042 else if("bilinear".equals(strInterpolation)) interpolation = RenderingHints.VALUE_INTERPOLATION_BILINEAR; 043 else if("bicubic".equals(strInterpolation)) interpolation = RenderingHints.VALUE_INTERPOLATION_BICUBIC; 044 045 else throw new FunctionException(pc,"ImageTranslate",4,"interpolation","invalid interpolation definition ["+strInterpolation+"], " + 046 "valid interpolation values are [nearest,bilinear,bicubic]"); 047 048 img.translate((int)xTrans, (int)yTrans,interpolation); 049 return null; 050 } 051}