//used to make a frame, which is a window with a title and a border
import javax.swing.JFrame;
//used to make a panel, which is a place to draw text and shapes 
import javax.swing.JPanel;
//has methods to set fonts, draw text, set colors, and draw shapes 
import java.awt.Graphics;
//has the colors that we can use
import java.awt.Color;

/**
 * Displays 5 Yukidarumas - Japanese snow person
 * Need To Add "extends JPanel", So That Can Use The Methods Of JPanel In Our Program.
 * This Is Called "Inheritance".
 *
 * @author William McDaniel Albritton
 */ 
public class Yukidarumas extends JPanel {

/**
* The main() method starts the program.
* This method Displays A Yukidaruma, Or "Japanese Snow Person".
*
* @param args The commandline arguments are not used.
*/
   public static void main(String[] args) {
   
   //create a frame with a title
      JFrame window = new JFrame("Five Yukidarumas (snow people)");
    /*
    Create a panel to draw the text upon
    Yukidaruma is a class, which is defined below this class, in the same file
    */
      Yukidarumas panel = new Yukidarumas();
    //add the panel to the window
      window.setContentPane(panel);
    /*
    The default is to hide the JFrame when the user closes the window.
    However, we want the window to stop running, when we close the window!
    */  
      window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   /*
   Sets the location of the window, 
   where x is the first parameter, and y is the second parameter.
   0,0 is on the left (x) and at the top (y) of the screen.
   500, 0 is towards the middle of the screen at the top.
   0, 500 is on the left, towards the bottom.
   */   
      window.setLocation(100, 200);
   //sets the size of the window: width and height
      window.setSize(1100,400);
   //if you do not set this parameter to "true", the window will be invisible!   
      window.setVisible(true);
   }//end of main() method
 
/**
* The paintComponent() method draws the content of the panel.
* It draws the Greetings In Different Languages & Colors..
*
* @param page is the object on which we use the drawing methods  
*/
   public void paintComponent(Graphics page) {
   
   /*Calls the paintComponent method from the superclass JPanel.
   Initializes variables in superclass JPanel to default values.
   If not included, the setBackground() method will not work.*/
      super.paintComponent(page);
      
   /* "this" Is An Object That Represents The JPanel Itself.
    Method "setBackground()" Sets The Background Color Of The JPanel.
    Use Object "Color.colorName" To Set The Colors.
    See The Java API For A List Of Colors.*/
      this.setBackground(Color.PINK);
      
      //draw five Yukidarumas
      Yukidarumas.drawYukidaruma(page, 0);
      Yukidarumas.drawYukidaruma(page, 200);
      Yukidarumas.drawYukidaruma(page, 400);
      Yukidarumas.drawYukidaruma(page, 600);
      Yukidarumas.drawYukidaruma(page, 800);
      
   }//end of paintComponent() method
   
   
/**
* Draws a Yukidaruma
* Note: Just add "+x" to the x-coordinate 
* to draw it anywhere vertically across the panel
* Similarly, add "+y" to the y-coordinate to draw anywhere hortizonally 
*
* @param window is the panel window	 
* @param x is the x-coordinate of the critter	 
*/		
   public static void drawYukidaruma(Graphics window, Integer x) {
   //This Is The Snowperson's Head and Body..
      window.setColor(Color.white);
      
   	/*METHOD "fillOval()" Draws An Oval With Width, Height, X & Y Coordinate.
   	X & Y Coordinates Start At The TOP LEFT Part Of The Oval.
   	It Draws An Oval Withing The Specified Rectangual Space.
   	Parameters: X-Coordinate, Y-Coordinate, Width, Height.*/
      window.fillOval(90+x,40,120,120);
      window.fillOval(50+x,140,200,200);
      
   	//This Is The Snowperson's  Eyes
      window.setColor(Color.black);
   	
      /*Method "fillRect()" Creates A Rectange With Width, Height, X & Y Coordinate.
   	X & Y Coordinates Start At The TOP LEFT Part Of The Rectangel.
   	Parameters: X-Coordinate, Y-Coordinate, Width, Height.*/
      window.fillRect(120+x,80,10,10);
      window.fillRect(140+x,80,10,10);
   
      //This Is The Snowperson's   Mouth..
      window.fillRect(110+x,100,50,10);
   
      /*This Is The Snowperson's  Arms.. 
      Method "drawLine()" Draws A Line From Point (X, Y) To Point (X2, Y2).
      Parameters: X-Coordinate, Y-Coordinate, X2-Coordinate, Y2-Coordinate.*/
      window.drawLine(60+x,200,40+x,150);
      window.drawLine(230+x,200,250+x,150);
   
   }//end of drawYukidaruma() method
   
}//end of class