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Graph updated

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This commit is contained in:
Dennis Thiessen
2017-07-13 16:16:49 +02:00
parent cf969f4a7b
commit e6c580e136
3 changed files with 147 additions and 89 deletions
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156
src/main/java/DrawGraph.java
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@@ -6,26 +6,44 @@ import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.Stroke;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import javax.swing.*;
@SuppressWarnings("serial")
public class DrawGraph extends JPanel {
private static final int MAX_SCORE = 20;
private double MIN_VALUE = 0;
private double MAX_VALUE = 0;
private double MAX_SCORE = 20;
private static final int PREF_W = 800;
private static final int PREF_H = 650;
private static final int BORDER_GAP = 30;
private static final int BORDER_GAP = 15;
private static final Color GRAPH_COLOR = Color.black;
private static final Color GRAPH_POINT_COLOR = new Color(150, 50, 50, 180);
private static final Stroke GRAPH_STROKE = new BasicStroke(1f);
private static final int GRAPH_POINT_WIDTH = 2;
private static final int Y_HATCH_CNT = 10;
private List<Double> scores;
private static final int GRAPH_POINT_WIDTH = 10;
private static final int Y_HATCH_CNT = 20;
private List<Double> scoresBase;
private List<Double> scores1;
private List<Double> scores2;
private List<Point.Double> graphPointsBuy;
private List<Point.Double> graphPointsSell;
public DrawGraph(List<Double> scores) {
this.scores = scores;
public DrawGraph(List<Double> scoresBase, List<Double> scores1, List<Double> scores2, List<Point.Double> graphPointsBuy, List<Point.Double> graphPointsSell) {
this.scores1 = scores1;
this.scores2 = scores2;
this.scoresBase = scoresBase;
this.graphPointsBuy = graphPointsBuy;
this.graphPointsSell = graphPointsSell;
this.MIN_VALUE = Collections.min(scoresBase);
this.MAX_VALUE = Collections.max(scoresBase);
this.MAX_SCORE = MAX_VALUE - MIN_VALUE;
System.out.println("MAX_SCORE "+MAX_SCORE+" MIN_VALUE "+MIN_VALUE+" MAX_VALUE "+MAX_VALUE);
}
@Override
@@ -34,20 +52,28 @@ public class DrawGraph extends JPanel {
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
double xScale = ((double) getWidth() - 2 * BORDER_GAP) / (scores.size() - 1);
double xScale = ((double) getWidth() - 2 * BORDER_GAP) / (scores1.size() - 1);
double yScale = ((double) getHeight() - 2 * BORDER_GAP) / (MAX_SCORE - 1);
List<Point> graphPoints = new ArrayList<Point>();
for (int i = 0; i < scores.size(); i++) {
int x1 = (int) (i * xScale + BORDER_GAP);
int y1 = (int) ((MAX_SCORE - scores.get(i)) * yScale + BORDER_GAP);
graphPoints.add(new Point(x1, y1));
List<Point.Double> graphPointsBase = new ArrayList<>();
List<Point.Double> graphPoints1 = new ArrayList<>();
List<Point.Double> graphPoints2 = new ArrayList<>();
for (int i = 0; i < scores1.size(); i++) {
double x1 = i * xScale + BORDER_GAP;
double y1_base = (MAX_SCORE - (scoresBase.get(i)-MIN_VALUE)) * yScale + BORDER_GAP;
double y1_1 = (MAX_SCORE - (scores1.get(i)-MIN_VALUE)) * yScale + BORDER_GAP;
double y1_2 = (MAX_SCORE - (scores2.get(i)-MIN_VALUE)) * yScale + BORDER_GAP;
graphPointsBase.add(new Point.Double(x1, y1_base));
graphPoints1.add(new Point.Double(x1, y1_1));
graphPoints2.add(new Point.Double(x1, y1_2));
}
// create x and y axes
g2.drawLine(BORDER_GAP, getHeight() - BORDER_GAP, BORDER_GAP, BORDER_GAP);
g2.drawLine(BORDER_GAP, getHeight() - BORDER_GAP, getWidth() - BORDER_GAP, getHeight() - BORDER_GAP);
// create hatch marks for y axis.
for (int i = 0; i < Y_HATCH_CNT; i++) {
int x0 = BORDER_GAP;
@@ -57,34 +83,79 @@ public class DrawGraph extends JPanel {
g2.drawLine(x0, y0, x1, y1);
}
/*
// and for x axis
for (int i = 0; i < scores.size() - 1; i++) {
int x0 = (i + 1) * (getWidth() - BORDER_GAP * 2) / (scores.size() - 1) + BORDER_GAP;
for (int i = 0; i < scores1.size() - 1; i++) {
int x0 = (i + 1) * (getWidth() - BORDER_GAP * 2) / (scores1.size() - 1) + BORDER_GAP;
int x1 = x0;
int y0 = getHeight() - BORDER_GAP;
int y1 = y0 - GRAPH_POINT_WIDTH;
g2.drawLine(x0, y0, x1, y1);
}
}*/
Stroke oldStroke = g2.getStroke();
g2.setColor(GRAPH_COLOR);
g2.setStroke(GRAPH_STROKE);
for (int i = 0; i < graphPoints.size() - 1; i++) {
int x1 = graphPoints.get(i).x;
int y1 = graphPoints.get(i).y;
int x2 = graphPoints.get(i + 1).x;
int y2 = graphPoints.get(i + 1).y;
g2.drawLine(x1, y1, x2, y2);
g2.setColor(Color.black);
Line2D line = new Line2D.Double();
for (int i = 0; i < graphPoints1.size() - 1; i++) {
double x1 = graphPointsBase.get(i).x;
double y1 = graphPointsBase.get(i).y;
double x2 = graphPointsBase.get(i + 1).x;
double y2 = graphPointsBase.get(i + 1).y;
line.setLine(x1, y1, x2, y2);
g2.draw(line);
}
g2.setColor(Color.gray);
for (int i = 0; i < graphPoints1.size() - 1; i++) {
double x1 = graphPoints1.get(i).x;
double y1 = graphPoints1.get(i).y;
double x2 = graphPoints1.get(i + 1).x;
double y2 = graphPoints1.get(i + 1).y;
line.setLine(x1, y1, x2, y2);
g2.draw(line);
}
g2.setColor(Color.darkGray);
for (int i = 0; i < graphPoints2.size() - 1; i++) {
double x1 = graphPoints2.get(i).x;
double y1 = graphPoints2.get(i).y;
double x2 = graphPoints2.get(i + 1).x;
double y2 = graphPoints2.get(i + 1).y;
line.setLine(x1, y1, x2, y2);
g2.draw(line);
}
g2.setStroke(oldStroke);
g2.setColor(GRAPH_POINT_COLOR);
for (int i = 0; i < graphPoints.size(); i++) {
int x = graphPoints.get(i).x - GRAPH_POINT_WIDTH / 2;
int y = graphPoints.get(i).y - GRAPH_POINT_WIDTH / 2;;
g2.setColor(Color.green);
for (int i = 0; i < graphPointsBuy.size(); i++) {
double x = graphPointsBuy.get(i).x * xScale + BORDER_GAP - GRAPH_POINT_WIDTH / 2;
double y = (MAX_SCORE - (graphPointsBuy.get(i).y-MIN_VALUE)) * yScale + BORDER_GAP - GRAPH_POINT_WIDTH / 2;
int ovalW = GRAPH_POINT_WIDTH;
int ovalH = GRAPH_POINT_WIDTH;
g2.fillOval(x, y, ovalW, ovalH);
Ellipse2D.Double elshape = new Ellipse2D.Double(x, y, ovalW, ovalH);
g2.draw(elshape);
}
g2.setColor(Color.red);
for (int i = 0; i < graphPointsSell.size(); i++) {
double x = graphPointsSell.get(i).x * xScale + BORDER_GAP - GRAPH_POINT_WIDTH / 2;
double y = (MAX_SCORE - (graphPointsSell.get(i).y-MIN_VALUE)) * yScale + BORDER_GAP - GRAPH_POINT_WIDTH / 2;
int ovalW = GRAPH_POINT_WIDTH;
int ovalH = GRAPH_POINT_WIDTH;
Ellipse2D.Double elshape = new Ellipse2D.Double(x, y, ovalW, ovalH);
g2.draw(elshape);
}
}
@@ -93,29 +164,4 @@ public class DrawGraph extends JPanel {
return new Dimension(PREF_W, PREF_H);
}
private static void createAndShowGui() {
List<Double> scores = new ArrayList<>();
Random random = new Random();
int maxDataPoints = 16;
double maxScore = 20.0;
for (int i = 0; i < maxDataPoints ; i++) {
scores.add(random.nextDouble()*maxScore);
}
DrawGraph mainPanel = new DrawGraph(scores);
JFrame frame = new JFrame("DrawGraph");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(mainPanel);
frame.pack();
frame.setLocationByPlatform(true);
frame.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGui();
}
});
}
}