/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.gwt.client.gfx.painter;
import org.geomajas.gwt.client.gfx.MapContext;
import org.geomajas.gwt.client.gfx.Paintable;
import org.geomajas.gwt.client.gfx.Painter;
import org.geomajas.gwt.client.map.layer.RasterLayer;
import org.geomajas.gwt.client.widget.MapWidget;
import org.geomajas.gwt.client.widget.MapWidget.RenderGroup;
/**
* Paints a raster layer.
*
* @author Jan De Moerloose
*/
public class RasterLayerPainter implements Painter {
private MapWidget mapWidget;
public RasterLayerPainter(MapWidget mapWidget) {
this.mapWidget = mapWidget;
}
public String getPaintableClassName() {
return RasterLayer.class.getName();
}
/**
* The actual painting function. Draws the groups.
*
* @param paintable
* A {@link RasterLayer} object.
* @param group
* The group where the object resides in (optional).
* @param context
* A MapContext object, responsible for actual drawing.
*/
public void paint(Paintable paintable, Object group, MapContext context) {
RasterLayer layer = (RasterLayer) paintable;
// Create the needed groups in the correct order:
context.getRasterContext().drawGroup(mapWidget.getGroup(RenderGroup.RASTER), layer); // layer.getDefaultStyle???
// Check layer visibility:
if (layer.isShowing()) {
context.getRasterContext().unhide(layer);
} else {
context.getRasterContext().hide(layer);
}
}
/**
* Delete a {@link Paintable} object from the given {@link MapContext}. It the object does not exist, nothing
* will be done.
*
* @param paintable
* The raster layer
* @param group
* The group where the object resides in (optional).
* @param graphics
* The context to paint on.
*/
public void deleteShape(Paintable paintable, Object group, MapContext context) {
context.getRasterContext().deleteGroup(paintable);
}
}