/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotools.renderer;
import java.awt.Graphics;
import org.geotools.feature.FeatureCollection;
import org.geotools.styling.Style;
import org.opengis.feature.Feature;
import org.opengis.feature.type.FeatureType;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Envelope;
/**
* Base interface for renderer. This is very much work in progress.
* <strong>Note: this interface will changes in future versions.</strong>
*
* @source $URL$
* @version $Id$
* @author James Macgill
*/
public interface Renderer {
/**
* Renders the provided features using the specified style.
* The features should fill the viewport but may well extend beyond it.
* Features should be cropped (if appropriate) to the specified viewport.
*
* @param fc The feature collection to render
* @param viewport The visible extent to be rendered
* @param style The style definition to apply to each feature
*/
void render(FeatureCollection<? extends FeatureType, ? extends Feature> fc, Envelope viewport, Style style);
/**
* Getter for property interactive.
* @return Value of property interactive.
*/
boolean isInteractive();
/**
* Setter for property interactive.
* @param interactive New value of property interactive.
*/
void setInteractive(boolean interactive);
/** sets the output graphics for the renderer and the size of the graphic.
*/
void setOutput(Graphics g, java.awt.Rectangle r);
public Coordinate pixelToWorld(int x, int y, Envelope map);
}