package vectorlib;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Panel;
import java.awt.RenderingHints;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.Path2D;

import javax.swing.JTextField;

public class PathWindow extends Frame {

	int sizeX = 800;
	int sizeY = 600;

	public PathWindow() {
		this.setSize(sizeX, sizeY);
		this.setTitle("Computergrafik und Computeranimation");
		this.add(new MyPanel());
		this.setVisible(true);
		this.addWindowListener(
				new WindowAdapter() {
					public void windowClosing(WindowEvent e) {
						System.exit(0);
					}
				}
				);
	}

	public static void main(String[] args) {
		new PathWindow();
	}

	private class MyPanel extends Panel {

		public void paint(Graphics g) {
			Graphics2D g2d = (Graphics2D)g;
			g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

			Path2D.Double path = new Path2D.Double(Path2D.WIND_NON_ZERO);

			int offsetX = 400;
			int offsetY = 300;

			path.moveTo(0 + offsetX,100 + offsetY);
			path.quadTo(70 + offsetX,-40 + offsetY,-87 + offsetX,-50 + offsetY);

			path.quadTo(0 + offsetX,80 + offsetY,87 + offsetX,-50 + offsetY);
			path.quadTo(-70 + offsetX,-40 + offsetY,0 + offsetX,100 + offsetY);

			path.closePath();

			g2d.fill(path);


//			path.moveTo(300, 300);
//			path.quadTo(100, 0, 0, 150);
//			path.quadTo(300, 600, 200, 300);
//			path.closePath();
//
//			g2d.setColor(Color.RED);
//			g2d.fill(path);

//			g2d.drawLine(400, 200, 500, 300);
//			g2d.drawLine(500, 300, 400, 400);
//
//			g2d.setColor(Color.BLUE);
//			g2d.drawLine(400, 400, 300, 500);
//			g2d.drawLine(300, 500, 500, 600);
//			g2d.drawLine(500, 600, 300, 700);

			//Vektoren
			//Vector v = new Vector(-10,-20,0);
			//drawCoord(g2d);
			//drawVector(v, Color.GREEN, g2d);
		}
	}

	private void drawGrid(Graphics2D g2d) {
		g2d.setStroke(new BasicStroke(0.5f));
		g2d.setColor(Color.LIGHT_GRAY);
		for (int i = -600; i < 800; i+=10) {
			g2d.drawLine(i, 600, i + 600, 0);
		}
		for (int i = 0; i < 800; i+=10) {
			g2d.drawLine(0, i, 800, i);
		}
	}

	private void drawVector(Vector v, Color c, Graphics2D g2d) {
		int vx = (int)v.getX() * 10;
		int vy = (int)v.getY() * 10;
		g2d.setColor(c);
		g2d.drawLine(sizeX/2, sizeY/2, vx + sizeX/2, -vy + sizeY/2);
		g2d.drawOval(vx + sizeX/2-5, -vy + sizeY/2-5, 10, 10);
		g2d.drawString("   (" + vx / 10 + " | " + vy / 10 + ")", vx + sizeX/2, -vy + sizeY/2);
	}

	private void drawCoord(Graphics2D g2d) {
		int coordSizeX = 10;
		int coordSizeY = 10;
		g2d.setColor(Color.BLACK);
		g2d.setStroke(new BasicStroke(2));
		g2d.drawLine(sizeX/2 - coordSizeX * 10, sizeY / 2, sizeX / 2 + coordSizeX * 10, sizeY/2);
		g2d.drawString("(" + coordSizeX + ")", sizeX / 2 + coordSizeX * 10, sizeY / 2);
		g2d.drawLine(sizeX/2, sizeY / 2 - coordSizeY * 10, sizeX / 2, sizeY / 2 + coordSizeY * 10);
		g2d.drawString("(" + coordSizeX + ")", sizeX / 2, sizeY / 2 - coordSizeY * 10);
	}
}