javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/ImageDataWrapper.java
author Anton Epple <toni.epple@eppleton.de>
Thu, 23 May 2013 15:33:14 +0200
branchcanvas
changeset 1135 836bc1845c65
parent 1134 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/ImageDataWrapper.java@0a2190f2a210
child 1145 0e2c3676d77a
permissions -rw-r--r--
moved some non-api classes out of api package
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 /*
    19  * To change this template, choose Tools | Templates
    20  * and open the template in the editor.
    21  */
    22 package org.apidesign.bck2brwsr.htmlpage;
    23 
    24 import org.apidesign.bck2brwsr.core.JavaScriptBody;
    25 
    26 /**
    27  *
    28  * @author Anton Epple <toni.epple@eppleton.de>
    29  */
    30 public class ImageDataWrapper {
    31 
    32     private Object imageData;
    33     private Data data;
    34 
    35     public ImageDataWrapper(Object imageData) {
    36         this.imageData = imageData;
    37     }
    38     
    39     public Data getData(){
    40         if (data == null){
    41             data = new Data(getDataImpl(imageData));
    42         }
    43         return data;
    44     }
    45     
    46     @JavaScriptBody(args = {"imageData"}, body = "return imageData.data")
    47     public native Object getDataImpl(Object imageData);
    48 
    49     public double getWidth() {
    50         return getWidthImpl(imageData);
    51     }
    52 
    53     @JavaScriptBody(args = {"imageData"}, body = "return imagedata.width;")
    54     private static native double getWidthImpl(Object imageData);
    55 
    56     public double getHeight() {
    57         return getHeightImpl(imageData);
    58     }
    59 
    60     @JavaScriptBody(args = {"imageData"}, body = "return imagedata.height;")
    61     private static native double getHeightImpl(Object imageData);
    62 
    63     Object object() {
    64         return imageData;
    65     }
    66 
    67 
    68     public static class Data {
    69 
    70         Object data;
    71 
    72         public Data(Object data) {
    73             this.data = data;
    74         }
    75 
    76         public int get(int index) {
    77             return getImpl(data, index);
    78         }
    79 
    80         public void set(int index, int value) {
    81             setImpl(data, index, value);
    82         }
    83 
    84         @JavaScriptBody(args = {"data", "index", "value"}, body = "data[index]=value;")
    85         private static native void setImpl(Object data, int index, int value);
    86 
    87         @JavaScriptBody(args = {"imagedata", "index"}, body = "return data[index];")
    88         private static native int getImpl(Object data, int index);
    89     }
    90 }