import java.io.*;

import java.awt.*;

import java.awt.font.*;

import java.awt.geom.*;

import javax.swing.*;

import java.util.*;

public class GraphingData extends JPanel {

final int LMARGIN = 30;

final int RMARGIN = 10;

final int TMARGIN = 10;

final int BMARGIN = 30;

final int PAD = 20;

final int TICK_LENGTH = 4;

float [] xdata = new float[199];

float [] ydata = new float[199];

protected void drawOrdinate(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

Font font = g2.getFont();

FontRenderContext frc = g2.getFontRenderContext();

g2.setPaint(Color.BLACK);

g2.draw(new Line2D.Double(LMARGIN, TMARGIN, LMARGIN, h-BMARGIN));

int tick_label = 0;

for (int i = h - BMARGIN; i >= TMARGIN; i-=(h/30)) {

g2.setFont(new Font("SanSerif", Font.PLAIN, 8));

g2.draw(new Line2D.Double(LMARGIN, i, LMARGIN - TICK_LENGTH, i));

String letter = String.format("%03d", tick_label);

float sw = (float)font.getStringBounds(letter, frc).getWidth();

float sx = sw/2;

float sy = i + 3;

g2.drawString(letter, sx, sy);

tick_label += 10;

}

}

protected void drawAbcissa(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

Font font = g2.getFont();

FontRenderContext frc = g2.getFontRenderContext();

g2.setPaint(Color.BLACK);

g2.draw(new Line2D.Double(LMARGIN, h-BMARGIN, w-RMARGIN, h-BMARGIN));

int step = 0;

float x_tick_label = xdata[step];

for (int i = BMARGIN; i < w - RMARGIN; i+=(w/95)) {

g2.draw(new Line2D.Double(i, h-BMARGIN, i, h-BMARGIN+TICK_LENGTH));

String letter = String.format("%.1f", x_tick_label);

float sw = (float)font.getStringBounds(letter, frc).getWidth();

float sx = i - sw/4 - 5;

float sy = h - BMARGIN + 15 ;

if (i%2 == 0) {

g2.drawString(letter, sx, sy);

}

step += 2;

x_tick_label = xdata[step];

}

}

protected void drawLine(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

g2.setPaint(Color.BLUE);

for(int i = 0; i < 198; i++) {

double x1 = LMARGIN + (i * 10) ;

double y1 = h - BMARGIN - (ydata[i] * h/300);

double x2 = LMARGIN + (i + 1) * 10 ;

double y2 = h - BMARGIN - (ydata[i+1] * h/300);

//System.out.println("x1=" + x1 + " y1=" + y1 + " x2=" + x2 + " y2=" + y2);

g2.draw(new Line2D.Double(x1, y1, x2, y2));

}

}

protected void drawOrdinateLabel(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

Font font = g2.getFont();

FontRenderContext frc = g2.getFontRenderContext();

String s = "y axis";

LineMetrics lm = font.getLineMetrics("0", frc);

float sh = lm.getAscent() + lm.getDescent();

float sy = PAD + ((h - 2*PAD) - s.length()*sh)/2 + lm.getAscent();

for(int i = 0; i < s.length(); i++) {

String letter = String.valueOf(s.charAt(i));

float sw = (float)font.getStringBounds(letter, frc).getWidth();

float sx = (PAD - sw)/4;

g2.setFont(new Font("SanSerif", Font.PLAIN, 12));

g2.drawString(letter, sx, sy);

sy += sh;

}

}

protected void drawAbcissaLabel(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

Font font = g2.getFont();

FontRenderContext frc = g2.getFontRenderContext();

String s = "x axis";

LineMetrics lm = font.getLineMetrics("0", frc);

float sh = lm.getAscent() + lm.getDescent();

float sy = h - PAD + (PAD - sh)/2 + lm.getAscent();

float sw = (float)font.getStringBounds(s, frc).getWidth();

float sx = (w - sw)/2;

g2.setFont(new Font("SanSerif", Font.PLAIN, 12));

g2.drawString(s, sx, sy);

}

protected void drawDataPoints(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

//g2.setPaint(new Color(91,153,149));

g2.setPaint(Color.BLUE);

for(int i = 0; i < 199; i++) {

double x = LMARGIN + i * 10;

double y = h - BMARGIN - (ydata[i] * h/300);

//System.out.println("x = " + x + " y = " + y);

//g2.fill(new Ellipse2D.Double(x - 2.5, y - 2.5, 5, 5));

g2.fill(new Rectangle2D.Double(x - 2.5, y - 2.5, 5, 5));

//g2.draw(new Rectangle2D.Double(x - 2.5, y - 2.5, 5, 5));

}

}

protected void drawGridLine(Graphics2D g2) {

int w = getWidth();

int h = getHeight();

g2.setPaint(Color.LIGHT_GRAY);

FontRenderContext frc = g2.getFontRenderContext();

for (int i = ((h-TMARGIN)/10); i < h - TMARGIN; i += ((h-TMARGIN)/10)) {

g2.draw(new Line2D.Double(LMARGIN, h-BMARGIN-i, w-RMARGIN, h-BMARGIN-i));

}

}

protected void paintComponent(Graphics g) {

Scanner sc = new Scanner(System.in);

int idx = 0;

while (sc.hasNextFloat()) {

xdata[idx] = sc.nextFloat();

ydata[idx] = sc.nextFloat();

idx++;

}

//System.out.println(Arrays.toString(xdata));

//System.out.println(Arrays.toString(ydata));

super.paintComponent(g);

Graphics2D g2 = (Graphics2D)g;

g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,

RenderingHints.VALUE_ANTIALIAS_ON);

int w = getWidth();

int h = getHeight();

System.out.println("width=" + w + " height " + h);

Font font = g2.getFont();

FontRenderContext frc = g2.getFontRenderContext();

// Draw ordinate.

drawOrdinate(g2);

// Draw abcissa.

drawAbcissa(g2);

// Draw Labels

// Ordinate label.

drawOrdinateLabel(g2);

// Abcissa label.

drawAbcissaLabel(g2);

// Draw Line

drawLine(g2);

// Draw data points.

drawDataPoints(g2);

// Draw grid lines

drawGridLine(g2);

}

public static void main(String[] args) {

JFrame f = new JFrame();

f.setTitle("Total Sun Spot Number From 1818: Source SILSO");

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.add(new GraphingData());

f.setExtendedState( f.getExtendedState()|JFrame.MAXIMIZED_BOTH );

f.setLocation(0,0);

f.setVisible(true);

}

}