import java.awt.*;
import java.applet.Applet;
import java.util.*;

public class QuiltWorld extends PictureWorld {


	public void initializePictureChoices() {
	// Define your pictures here and in auxiliary methods.
	// Add your pictures to the menu via "addPictureChoice(String name, Picture pic);"
	
	addPictureChoice("quilt1", quilt1());
	addPictureChoice("quilt2", quilt2());

	}

 	public Picture quilt1 () {
 		// Introduce local names for colors to avoid the "Color." syntax.
		Color black = Color.black;
		Color blue = Color.blue;
		Color green = Color.green;
		Color red = Color.red;
		Color yellow = Color.yellow;
		
		// Put your code for defining quilt1 here: 
		return empty();
 	}
 	
 	
 	public Picture quilt2 () {
		// Introduce local names for colors to avoid the "Color." syntax.
		Color blue = Color.blue;
		Color green = Color.green;
		Color red = Color.red;
		Color yellow = Color.yellow;
		
		// Put your code for defining quilt2 here: 
		return empty();
 	}
 	
	// Auxiliary methods 
 	
	public Picture fourPics (Picture p1, Picture p2, Picture p3, Picture p4) {
 		// Flesh this out in lab.
		return empty();
	}
 	
 	public Picture fourSame (Picture p) {
 		// Flesh this out in lab.
		return empty();
  }
 	
 	public Picture rotations (Picture p) {
 		// Flesh this out in lab.
		return empty();
 	}
 	
 	public Picture corner (Picture p1, Picture p2) {
 		// Flesh this out in lab.
		return empty();
 	}


 	public Picture patch_2x2 (Color c) {
 		// Flesh this out in lab.
		return empty();
 	}
 	
 	public Picture patch_4x4 (Color c) {
  		// Flesh this out in lab.
		return empty();
 	}
 	 	
 	public Picture triangles_2x2 (Color c1, Color c2) {
 		// Flesh this out in lab.
		return empty();
 	}
 	
 	public Picture triangles_4x4 (Color c1, Color c2) {
 		// Flesh this out in lab.
		return empty();
 	}
 	
 	public Picture triangles_8x8 (Color c1, Color c2) {
 		// Flesh this out in lab.
		return empty();
 	} 	
 	
 	// Methods for generating the primitive pictures for this problem. 
 	// You do not have to understand these in order to do the problem set. 
 	
 	public Picture patch(Color c) {
 		return overlay (new Rect(0.0, 0.0, 1.0, 1.0, Color.black, false),
 		                 new Rect(0.0, 0.0, 1.0, 1.0, c, true));
 	}
 	
 	public Picture triangles(Color c1, Color c2) {
 		return overlay (new Rect(0.0, 0.0, 1.0, 1.0, Color.black, false),
 		                 overlay (new Line(0.0, 1.0, 1.0, 0.0, Color.black),
 		                          overlay(tri(c1, true),
 		                                  clockwise180(tri(c2, true)))));
 		                                 
 	}
 	
 	public Picture tri(Color c, boolean isFilled) {
 		Poly triPoly = new Poly (c, isFilled);
 		triPoly.addPoint(0.0, 0.0);
 		triPoly.addPoint(0.0, 1.0);
 		triPoly.addPoint(1.0, 0.0);
 		return triPoly;
 	}
 	
}