001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.gui.plot; 025 026 import java.awt.Graphics; 027 import java.awt.Graphics2D; 028 029 public class YGrid { 030 031 private PlotSettings plotSettings = null; 032 033 public YGrid(PlotSettings plotSettings) { 034 this.plotSettings = plotSettings; 035 } 036 037 public void paintComponent(Graphics g) { 038 Graphics2D g2d = (Graphics2D) g; 039 int x1 = plotSettings.getWidth() - 1; 040 int x2 = 0; 041 g2d.setStroke(plotSettings.getYGridStroke()); 042 g2d.setColor(plotSettings.getYGridColor()); 043 double yf = plotSettings.getYFactor(); 044 double ygs = plotSettings.getYGridStepSize(); 045 for (double y = plotSettings.getMinYValue(); y < plotSettings.getMaxYValue(); y += ygs) { 046 int y1 = (int) (plotSettings.getHeight() - 1 - y * yf + plotSettings.getMinYValue() * yf); 047 int y2 = y1; 048 g2d.drawLine(x1, y1, x2, y2); 049 } 050 } 051 }