using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace DrawBasicShapes
{
	public partial class MainForm : Form
	{
		// 第一顆星
		private Point[] m_polygonStar1 = new Point[]
			{
				new Point(30,39),new Point(39,39),
				new Point(41,30),new Point(44,39),
				new Point(53,39),new Point(45,44),
				new Point(49,52),new Point(41,46),
				new Point(34,52),new Point(37,44)
			};

		// 第二顆星
		private Point[] m_polygonStar2 = new Point[]
			{
				new Point(60,16),new Point(69,16),
				new Point(72,8),new Point(74,16),
				new Point(83,16),new Point(75,21),
				new Point(79,30),new Point(72,23),
				new Point(65,30),new Point(68,21)
			};

		// 第三顆星
		private Point[] m_polygonStar3 = new Point[]
			{
				new Point(75,54),new Point(84,54),
				new Point(87,45),new Point(90,54),
				new Point(99,54),new Point(91,59),
				new Point(94,67),new Point(87,62),
				new Point(80,67),new Point(83,59)
			};

		// 煙囪
		private Point[] m_polygonChimney = new Point[]
			{
				new Point(38,135),new Point(38,106),
				new Point(53,106),new Point(53,125)
			};

		// 屋頂
		private Point[] m_polygonRoof = new Point[]
			{
				new Point(15,152),new Point(68,113),new Point(121,152),
			};

		// 月亮的邊界
		private Rectangle m_rectangleMoonBound = new Rectangle(128, 8, 84, 84);

		// 月缺的邊界
		private Rectangle m_rectangleWaneBound = new Rectangle(174, 2, 62, 62);

		// 側(cè)墻壁
		private Rectangle m_rectangleWall = new Rectangle(38, 152, 60, 68);
		
		// 門
		private Rectangle m_rectangleDoor = new Rectangle(45, 174, 23, 46);

		private Color m_colorBackground = Color.FromArgb(51,51,153);
		private Color m_colorStarMoon = Color.FromArgb(255,204,0);
		private Color m_colorLine = Color.White;

		public MainForm()
		{
			InitializeComponent();

			this.BackColor = m_colorBackground;
		}

		private void MainForm_Paint(object sender, PaintEventArgs e)
		{
			using(Brush b = new SolidBrush(m_colorStarMoon))
			{
				e.Graphics.FillPolygon(b, m_polygonStar1);
				e.Graphics.FillPolygon(b, m_polygonStar2);
				e.Graphics.FillPolygon(b, m_polygonStar3);

				e.Graphics.FillEllipse(b, m_rectangleMoonBound);
			}

			using(Brush b = new SolidBrush(m_colorBackground))
			{
				e.Graphics.FillEllipse(b, m_rectangleWaneBound);
			}

			using(Pen p = new Pen(m_colorLine))
			{
				e.Graphics.DrawLines(p, m_polygonChimney);
				e.Graphics.DrawPolygon(p, m_polygonRoof);
				e.Graphics.DrawRectangle(p, m_rectangleWall);
				e.Graphics.DrawRectangle(p, m_rectangleDoor);
			}
		}
	}
}