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- import java.awt.*;
- import javax.swing.*;
- /*
- * A sample implementation of a panel that draws the chart. Extend this
- * class with drawing logic or use your own layouts and components.
- */
- public class ChartPanel extends JPanel {
- public int[][] dataArray;
- public int dim2; //# of data points
- public int w;
- public void paintComponent(Graphics gl) {
- Graphics2D g = (Graphics2D) gl;
- //the Background part - Just draw once perhaps
- g.setColor(new Color(222, 222, 222));
- g.fillRect(0, 0, this.getWidth(), this.getHeight());
- g.setColor(new Color(250, 0, 0));
- g.drawLine(10, 10, 10, 310); //max y-axis of 300
- g.drawLine(10, 310, dim2*50+10, 310); //variable x-axis
- g.drawString("100ms", 2, 210);
- g.drawString("200ms", 2, 110);
- g.drawString("300ms", 2, 10);
- //the update part
- if(w<dim2 && dataArray!=null){ //still skeleton/ not finished
- for(int j=0;j<dataArray.length;j++) {
- for(int k=dataArray[j].length-w; k<dataArray[j].length; k++){
- g.drawLine(50*(dim2-w)+10, dataArray[j][k-1], 50*(dim2-w)+100, dataArray[j][k]);
- }
- }
- }
- }
- //Failed attemps
- // public void paintComponent(Graphics gl) {
- // Graphics2D g = (Graphics2D) gl;
- // super.paintComponent(g);
- // g.setColor(new Color(222, 222, 222));
- // g.fillRect(0, 0, this.getWidth(), this.getHeight());
- // g.setColor(new Color(250, 0, 0));
- // g.drawLine(10, 10, 10, 310);
- // g.drawLine(10, 310, dim2*50+10, 310);
- // g.drawString("100ms", 2, 210);
- // g.drawString("200ms", 2, 110);
- // g.drawString("300ms", 2, 10);
- //
- // if(w<dim2 && dataArray!=null){
- // for(int j=0;j<dataArray.length;j++) {
- // for(int k=dataArray[j].length-w; k<dataArray[j].length; k++){
- // g.drawLine(50*(dim2-w)+10, dataArray[j][k-1], 50*(dim2-w)+100, dataArray[j][k]);
- // }
- // }
- // }
- // }
- // public void paint(Graphics gl) {
- // Graphics2D g = (Graphics2D) gl;
- // g.setColor(new Color(222, 222, 222));
- // g.fillRect(0, 0, this.getWidth(), this.getHeight());
- // g.setColor(new Color(250, 0, 0));
- // g.drawLine(10, 10, 10, 310);
- // g.drawLine(10, 310, dim2*50+10, 310);
- // g.drawString("100ms", 2, 210);
- // g.drawString("200ms", 2, 110);
- // g.drawString("300ms", 2, 10);
- // }
- // public void update(Graphics gl) {
- // Graphics2D g = (Graphics2D) gl;
- // if(w<dim2){
- // for(int j=0;j<dataArray.length;j++) {
- // for(int k=dataArray[j].length-w; k<dataArray[j].length; k++){
- // g.drawLine(50*(dim2-w)+10, dataArray[j][k-1], 50*(dim2-w)+100, dataArray[j][k]);
- // }
- // }
- // }
- // }
- }
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