javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Canvas.java
author toni.epple@eppleton.de
Tue, 05 Mar 2013 07:57:16 +0100
branchcanvas
changeset 811 d127d41768bd
parent 809 5c61f5e4898e
child 1110 ca05c9890031
child 1588 c1b6db1bdd87
permissions -rw-r--r--
Fixed typo
     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 package org.apidesign.bck2brwsr.htmlpage.api;
    19 
    20 import org.apidesign.bck2brwsr.core.JavaScriptBody;
    21 import static org.apidesign.bck2brwsr.htmlpage.api.Element.getAttribute;
    22 
    23 /**
    24  *
    25  * @author Anton Epple <toni.epple@eppleton.de>
    26  */
    27 public class Canvas extends Element {
    28 
    29     public Canvas(String id) {
    30         super(id);
    31     }
    32 
    33     public void setHeight(int height) {
    34         setAttribute(this, "height", height);
    35     }
    36 
    37     public int getHeight() {
    38        Object ret =  getAttribute(this, "height");
    39        return (ret instanceof Number) ? ((Number)ret).intValue(): Integer.MIN_VALUE;
    40     }
    41     
    42     public void setWidth(int width) {
    43         setAttribute(this, "width", width);
    44     }
    45 
    46     public int getWidth() {
    47        Object ret =  getAttribute(this, "width");
    48        return (ret instanceof Number) ? ((Number)ret).intValue(): Integer.MIN_VALUE;
    49     }
    50 
    51     @JavaScriptBody(
    52             args = {"el"},
    53             body = "var e = window.document.getElementById(el._id());\n"
    54             + "return e.getContext('2d');\n")
    55     private native static Object getContextImpl(Canvas el);
    56 
    57     public GraphicsContext getContext() {
    58         return new GraphicsContext(getContextImpl(this));
    59     }
    60 
    61     @Override
    62     void dontSubclass() {
    63     }
    64 }