package org.woehlke.computer.kurzweil.tabs.sierpinskitriangle;
   
   import org.woehlke.computer.kurzweil.tabs.sierpinskitriangle.SierpinskiTriangleModel;
   
   import javax.swing.*;
   import java.awt.*;
   
   
   /**
   * Mandelbrot Set drawn by a Turing Machine.
   *
   * (C) 2006 - 2013 Thomas Woehlke.
   * https://thomas-woehlke.blogspot.com/2016/01/mandelbrot-set-drawn-by-turing-machine.html
   * @author Thomas Woehlke
   *
   * Date: 05.02.2006
   * Time: 00:51:51
   */
  public class SierpinskiTriangleCanvas extends JComponent {
  
      private volatile SierpinskiTriangleModel app;
      private volatile Dimension preferredSize;
  
      public SierpinskiTriangleCanvas(SierpinskiTriangleModel app) {
          this.app = app;
          int width = this.app.getWorldDimensions().getWidth();
          int height = this.app.getWorldDimensions().getHeight();
          this.preferredSize = new Dimension(width, height);
          this.setSize(this.preferredSize);
          this.setPreferredSize(preferredSize);
      }
  
      public void paint(Graphics g) {
          this.setSize(this.preferredSize);
          this.setPreferredSize(preferredSize);
          super.paintComponent(g);
          int red = 0;
          int green = 0;
          int blue = 0;
          for(int y = 0; y < app.getWorldDimensions().getY(); y++){
              for(int x = 0; x < app.getWorldDimensions().getX(); x++){
                  blue = (((app.getCellStatusFor(x,y))*4)%256);
                  Color stateColor = new Color(red, green, blue);
                  g.setColor(stateColor);
                  g.drawLine(x,y,x,y);
              }
          }
      }
  
      public void update(Graphics g) {
          paint(g);
      }
  
  }