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 Traces { 030 031 private PlotSettings plotSettings = null; 032 033 public Traces(PlotSettings plotSettings) { 034 this.plotSettings = plotSettings; 035 } 036 037 public void paintComponent(Graphics g) { 038 try { 039 long t0 = System.currentTimeMillis(); 040 041 Graphics2D g2d = (Graphics2D) g; 042 043 double xf = plotSettings.getXFactor(); 044 double yf = plotSettings.getYFactor(); 045 046 for (int t = 0; t < Math.min(10, plotSettings.getMatrixGUIObject().getColumnCount()); t++) { 047 048 if (plotSettings.isShowTrace(t)) { 049 050 long column = t; 051 052 g2d.setStroke(plotSettings.getTraceStroke(t)); 053 g2d.setColor(plotSettings.getTraceColor(t)); 054 055 double xs = plotSettings.getXStepSize(); 056 057 long dots = 0; 058 for (double xr = plotSettings.getMinXValue() + xs; xr <= plotSettings.getMaxXValue(); xr += xs) { 059 dots++; 060 long row1 = (long) (xr - xs); 061 long row2 = (long) xr; 062 063 double yv1 = plotSettings.getMatrixGUIObject().getDoubleValueAt(row1, column); 064 double yv2 = plotSettings.getMatrixGUIObject().getDoubleValueAt(row2, column); 065 066 int x1 = (int) ((xr - xs) * xf); 067 int x2 = (int) (xr * xf); 068 x2 = (x2 == x1) ? x2++ : x2; 069 070 int y1 = (int) (plotSettings.getHeight() - 1 - yv1 * yf + plotSettings.getMinYValue() * yf); 071 int y2 = (int) (plotSettings.getHeight() - 1 - yv2 * yf + plotSettings.getMinYValue() * yf); 072 073 g2d.drawLine(x1, y1, x2, y2); 074 } 075 076 } 077 078 long t1 = System.currentTimeMillis(); 079 if (t1 - t0 > plotSettings.getTimeLimit()) { 080 return; 081 } 082 083 } 084 } catch (Exception e) { 085 e.printStackTrace(); 086 } 087 } 088 089 }