/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

package org.apidesign.bck2brwsr.htmlpage.api;

import net.java.html.canvas.IImageData;

import org.apidesign.bck2brwsr.core.JavaScriptBody;

/**

 *

 * @author Anton Epple <toni.epple@eppleton.de>

 */

public class ImageData implements IImageData{

    private Object imageData;

    private Data data;

    public ImageData(Object imageData) {

        this.imageData = imageData;

    }

    public Data getData(){

        if (data == null){

            data = new Data(getDataImpl(imageData));

        }

        return data;

    }

    @JavaScriptBody(args = {"imageData"}, body = "return imageData.data")

    public native Object getDataImpl(Object imageData);

    public double getWidth() {

        return getWidthImpl(imageData);

    }

    @JavaScriptBody(args = {"imageData"}, body = "return imagedata.width;")

    private static native double getWidthImpl(Object imageData);

    public double getHeight() {

        return getHeightImpl(imageData);

    }

    @JavaScriptBody(args = {"imageData"}, body = "return imagedata.height;")

    private static native double getHeightImpl(Object imageData);

    Object object() {

        return imageData;

    }

    public static class Data {

        Object data;

        public Data(Object data) {

            this.data = data;

        }

        public int get(int index) {

            return getImpl(data, index);

        }

        public void set(int index, int value) {

            setImpl(data, index, value);

        }

        @JavaScriptBody(args = {"data", "index", "value"}, body = "data[index]=value;")

        private static native void setImpl(Object data, int index, int value);

        @JavaScriptBody(args = {"imagedata", "index"}, body = "return data[index];")

        private static native int getImpl(Object data, int index);

    }

}