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/**
 *
 *   Copyright 2015 sourceforge.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
package org.gwtopenmaps.openlayers.client.layer;

import org.gwtopenmaps.openlayers.client.Bounds;
import org.gwtopenmaps.openlayers.client.Map;
import org.gwtopenmaps.openlayers.client.Size;
import org.gwtopenmaps.openlayers.client.util.JSObject;

/**
 * Displays data from a web accessible image. The path to the image may be
 * relative.
 *
 * @author Edwin Commandeur - Atlis EJS
 * @since GWT-OL 0.4, OL 2.2
 *
 */
public class Image extends Layer {

    protected Image(JSObject imageLayer) {
        super(imageLayer);
    }

    /**
     *
     * @param name - OpenLayers layerName
     * @param url - a relative url or web uri
     * @param extent - bounds for the Image
     * @param size - the size of the picture
     * @param options - see {@link ImageOptions}
     */
    public Image(String name, String url, Bounds extent, Size size,
            ImageOptions options) {
        this(ImageImpl.create(name, url, extent.getJSObject(),
                size.getJSObject(), options.getJSObject()));

    }

    public Bounds getExtent() {
        return Bounds.narrowToBounds(ImageImpl.getExtent(getJSObject()));
    }

    public Size getSize() {
        return Size.narrowToSize(ImageImpl.getSize(getJSObject()));
    }

    public void setMap(Map map) {

    }

    /**
     * Change the url for the image.
     */
    public void setUrl(String url) {
        ImageImpl.setUrl(getJSObject(), url);
    }

    /**
     * @return String - the url of the Image
     */
    public String getUrl() {
        return ImageImpl.getUrl(getJSObject());
    }

    @Override
    protected LayerCreator getLayerCreator() {
        return new LayerCreator() {

            public Image createLayer(JSObject jsObject) {
                return new Image(jsObject);
            }
        };
    }

}