/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU Affero General Public License as published by the Free Software Foundation, either version 3 * of the License, or (at your option) any later version. * * 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License along with this program. * If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.report; import java.awt.Graphics; /** * This interface provides methods for exporting visual components. * * @author Sebastian Land */ public interface Renderable extends Reportable { /** Will be invoked before rendering and even before render width and height retrieval. */ public void prepareRendering(); /** * Will be invoked directly after rendering and gives the object the chance to perform some * clean-up. */ public void finishRendering(); /** * This method paints the visual representation onto the given graphics * * @param graphics * the graphics to render onto */ public void render(Graphics graphics, int width, int height); /** * This method returns the pixel width the rendering needs * * @param preferredWidth * tells the renderable of the size it should deliver best * @return the pixel width */ public int getRenderWidth(int preferredWidth); /** * This method return the pixel height the rendering needs * * @param preferredHeight * tells the renderable of the size it should deliver best * @return the pixel height */ public int getRenderHeight(int preferredHeight); }