/* * k5nCal - Java Swing Desktop Calendar App * Copyright (C) 2005-2007 Craig Knudsen, craig@k5n.us * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */package us.k5n.k5ncal;import java.awt.Color;import java.awt.GradientPaint;import java.awt.Graphics;import java.awt.Graphics2D;import us.k5n.ui.calendar.CalendarDataRepository;import us.k5n.ui.calendar.CalendarPanel;/** * Extend the CalendarPanel class to draw with a gradient background. *  * @version $Id: MyCalendarPanel.java,v 1.2 2007/12/19 02:38:33 cknudsen Exp $ * @author Craig Knudsen, craig@k5n.us */public class MyCalendarPanel extends CalendarPanel {	private boolean useGradientBackground = true;	public MyCalendarPanel(CalendarDataRepository repo) {		super ( repo );	}	/**	 * Specify whether a gradient background should be used for background colors.	 * If enabled, then the background will start at the lower right corner of	 * each table cell with the specified background color. The color will slowly	 * change towards the upper left corner, where the color will be the average	 * of the background color and white.	 * 	 * @param useGradient	 *          Should gradient backgrounds be used?	 */	public void setUseGradientBackground ( boolean useGradient ) {		this.useGradientBackground = useGradient;	}	/**	 * Override the default method so we can draw with a gradient background.	 * 	 * @param g	 * @param x	 * @param y	 * @param w	 * @param h	 * @param bottomColor	 */	public void drawDayOfMonthBackground ( Graphics g, int x, int y, int w,	    int h, Color bottomColor ) {		if ( this.useGradientBackground ) {			Color topColor = new Color ( ( 255 + bottomColor.getRed () ) / 2,			    ( 255 + bottomColor.getGreen () ) / 2,			    ( 255 + bottomColor.getBlue () ) / 2 );			Graphics2D g2 = (Graphics2D) g;			GradientPaint gp = new GradientPaint ( x, y, topColor, x + w, y + h,			    bottomColor );			g2.setPaint ( gp );			g2.fillRect ( x, y, w, h );		} else {			g.setColor ( bottomColor );			g.fillRect ( x, y, w, h );		}	}}