/* * 01/22/2005 * * BackgroundPainterStrategy.java - Renders an RTextAreaBase's background * using some strategy. * Copyright (C) 2005 Robert Futrell * robert_futrell at users.sourceforge.net * http://fifesoft.com/rsyntaxtextarea * * 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; either * version 2.1 of the License, or (at your option) any later version. * * 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. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ package org.fife.ui.rtextarea; import java.awt.Graphics; import java.awt.Rectangle; /** * Interface for classes that paint the background of an <code>RTextAreaBase</code>. The Strategy pattern is used for * this object because the background can be painted as a solid color, as an image, and possibly other ways (gradients, * animated images, etc.). When a method to change the background of an <code>RTextAreaBase</code> instance is called * (such as <code>setBackground</code>, <code>setBackgroundImage</code> or <code>setBackgoundObject</code>), the correct * strategy is then created and used to paint its background. * * @author Robert Futrell * @version 0.1 * @see org.fife.ui.rtextarea.ImageBackgroundPainterStrategy * @see org.fife.ui.rtextarea.ColorBackgroundPainterStrategy */ public interface BackgroundPainterStrategy { /** * Paints the background. * * @param g * The graphics context. * @param bounds * The bounds of the object whose backgrouns we're painting. */ public void paint(Graphics g, Rectangle bounds); }