package org.opengis.go.display.canvas.web;

import java.awt.Graphics;

import org.opengis.go.display.canvas.Canvas;

/**
 * The WebCanvas interface extends the functionality of Canvas and adds a
 * specific method for rendering which is conspicuous in its absence from the Canvas
 * interface.
 * @author crossley
 */
public interface WebCanvas extends Canvas {

    /**
     * Renders this WebCanvas's map image using the given Graphics object.
     * The immediate use case is for creating WMS (or other webapp) map images using the 
     * Graphics from a BufferedImage, though any case with a need for 
     * on-demand rendering could be satisfied with this method
     * @param g
     */
    void render(Graphics g);

}