/** 
 * Draw various tile patterns on a floor
 * @author Your Names Here
 * Quiz Section
 */

// The following libraries are needed for graphics and for colors
import uwcse.graphics.*;
import java.awt.Color;

/** 
 * Create a graphics window representing a tiled floor, and draw various tile
 * patterns on it
 */
public class Pattern{

  // instance variables
  private int tileSize;       // horizontal and vertical size of each tile in pixels
  private int height;         // Height of the floor in pixels
  private int width;          // Width of the floor in pixels
  private int rowcnt;         // Number of rows of tiles on the floor
  private int colcnt;         // Number of columns of tiles on the floor
  private GWindow floor;      // Graphical Window for displaying the floor
         
  /**
   * Construct a new tile pattern window with the given number of rows and columns
   * and a default tile size.
   * @param rowcnt - number of rows on the floor
   * @param colcnt - number of cols on the floor
   */
  public Pattern(int rows, int cols) {
    tileSize = 100;                    // default tile size
    rowcnt = rows; 
    colcnt = cols;
    width = colcnt * tileSize; 
    height = rowcnt * tileSize; 
    floor = new GWindow(width, height);
  }
   
  /** 
   * Return the tileSize for this floor 
   * @return tileSize - Length of the side of the sqaure shaped tile 
   */
  public int getTileSize() {
    return tileSize;
  }        
        
  /** 
   * Return the Graphical Window on which the tiles will be drawn 
   * @return floor - the Graphical window 
   */
  public GWindow getGWindow() {
    return floor;
  }        

  /** Display Grid lines on the floor */
  public void initializeFloor() {
    Line l;   
                  
    //display horizontal lines 
    for(int i = 1; i <= rowcnt; i++) {
      int y = (i-1) * tileSize;
      l = new Line(0,y,width,y);
      l.addTo(floor);            
    }       
    
    //display vertical lines
    for(int j=1;j<=colcnt;j++) {
      int x =(j-1)*tileSize;
      l= new Line(x,0,x,height);
      l.addTo(floor);
    }      
  }                 
  
  /** Add one tile to the top, left-hand corner of floor */
  public void displayTopLeft(Tile t) {
    t.addTo(floor, 1, 1);
  }
  
}