javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/ImageData.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Tue, 24 Feb 2015 11:12:53 +0100
changeset 1787 ea12a3bb4b33
parent 521 5e9d7f92d5d2
permissions -rw-r--r--
Using year range 2012-2015 in copyright header
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012-2015 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.api;
    23 
    24 import org.apidesign.bck2brwsr.core.JavaScriptBody;
    25 
    26 /**
    27  *
    28  * @author Anton Epple <toni.epple@eppleton.de>
    29  */
    30 public class ImageData {
    31 
    32     private Object imageData;
    33     private Data data;
    34 
    35     public ImageData(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     public static class Data {
    68 
    69         Object data;
    70 
    71         public Data(Object data) {
    72             this.data = data;
    73         }
    74 
    75         public int get(int index) {
    76             return getImpl(data, index);
    77         }
    78 
    79         public void set(int index, int value) {
    80             setImpl(data, index, value);
    81         }
    82 
    83         @JavaScriptBody(args = {"data", "index", "value"}, body = "data[index]=value;")
    84         private static native void setImpl(Object data, int index, int value);
    85 
    86         @JavaScriptBody(args = {"imagedata", "index"}, body = "return data[index];")
    87         private static native int getImpl(Object data, int index);
    88     }
    89 }