fmain.cs

A fractal is generally "a rough or fragmented geometric shape that can be split into parts, each of

			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// btnDraw
			// 
			this.btnDraw.Location = new System.Drawing.Point(20, 48);
			this.btnDraw.Name = "btnDraw";
			this.btnDraw.Size = new System.Drawing.Size(136, 23);
			this.btnDraw.TabIndex = 20;
			this.btnDraw.Text = "Draw";
			this.btnDraw.Click += new System.EventHandler(this.btnDraw_Click);
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
																					this.label7,
																					this.txtReal,
																					this.label6});
			this.groupBox1.Location = new System.Drawing.Point(8, 88);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(160, 152);
			this.groupBox1.TabIndex = 22;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "Display Center";
			// 
			// FMain
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(760, 777);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.pictureBox,
																		  this.panel1});
			this.Menu = this.mainMenu1;
			this.Name = "FMain";
			this.Text = "Fractals";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.FMain_Closing);
			this.panel1.ResumeLayout(false);
			this.groupBox2.ResumeLayout(false);
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new FMain());
		}

		private void mnuFileSave_Click(object sender, System.EventArgs e)
		{
			ImageFormat format = ImageFormat.Jpeg;
			int nFilterIndex = -1;
			SaveFileDialog sfd = new SaveFileDialog();

			sfd.Filter = "Image Files (JPEG, GIF, BMP, etc.)|" +
				"*.jpg;*.jpeg;*.gif;*.bmp;*.tif;*.tiff;*.png|" +
				"JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg|"      +
				"GIF Files (*.gif)|*.gif|"                     +
				"BMP Files (*.bmp)|*.bmp|"                     +
				"TIFF Files (*.tif;*.tiff)|*.tif;*.tiff|"      +
				"PNG Files (*.png)|*.png|"                     +
				"All files (*.*)|*.*";

			if( nFilterIndex != -1 )
			{
				sfd.FilterIndex = nFilterIndex;
			}

			if( sfd.ShowDialog () == DialogResult.OK )
			{
				String fileName = sfd.FileName;
				if( fileName.Length != 0 )
				{
					nFilterIndex = sfd.FilterIndex;

					switch( nFilterIndex )
					{
						case 1:
							format = ImageFormat.Jpeg;
							break;
						case 2:
							format = ImageFormat.Jpeg;
							break;
						case 3:
							format = ImageFormat.Gif;
							break;
						case 4:
							format = ImageFormat.Bmp;
							break;
						case 5:
							format = ImageFormat.Tiff;
							break;
						case 6:
							format = ImageFormat.Png;
							break;
						case 7:
							format = ImageFormat.Jpeg;
							fileName += ".jpg";
							break;
						default:
							break;
					}
					switch( _DrawMode )
					{
						case DrawMode.Mandelbrot:
							_man.SaveBitmap( fileName, format );
							break;
						case DrawMode.Julia:
							_jul.SaveBitmap( fileName, format );
							break;
					}
				}
			}
		}

		private void mnuFileExit_Click(object sender, System.EventArgs e)
		{
			Close();
		}

		private void mnuDrawMandelbrot_Click(object sender, System.EventArgs e)
		{
			DrawMandelbrot();
		}

		private void DrawMandelbrot()
		{
			Cursor = Cursors.WaitCursor;
			if( _DrawMode != DrawMode.Mandelbrot )
			{
				if( _jul != null )
				{
					_jul.DisableMouseHandlers();
				}
				_DrawMode = DrawMode.Mandelbrot;
				groupBox2.Visible = false;
				label1.Text = "Mandelbrot";
			}
			else
			{
				InitMandelbrot();
			}
			_man.Start( pictureBox );
			Cursor = Cursors.Default;
		}

		private void InitMandelbrot()
		{
			_man.RealCenter = double.Parse( txtReal.Text );
			_man.ImgCenter = double.Parse( txtImaginary.Text );
			_man.Scale = double.Parse( txtScale.Text );
			_man.Iterations = int.Parse( txtIterations.Text );
		}

		private void UpdateManReadouts( double realCenter, double imgCenter, double scale )
		{
			txtReal.Text = realCenter.ToString();
			txtImaginary.Text = imgCenter.ToString();
			txtScale.Text = scale.ToString();
		}

		private void mnuDrawJulia_Click(object sender, System.EventArgs e)
		{
			DrawJulia();
		}

		private void DrawJulia()
		{
			Cursor = Cursors.WaitCursor;
			if( _DrawMode != DrawMode.Julia )
			{
				if( _man != null )
				{
					_man.DisableMouseHandlers();
				}
				_DrawMode = DrawMode.Julia;
				groupBox2.Visible = true;
				label1.Text = "Julia";
				_jul.RealC = double.Parse( txtReal.Text );
				_jul.ImgC = double.Parse( txtImaginary.Text );
				txtRealC.Text = txtReal.Text;
				txtImaginaryC.Text = txtImaginary.Text;
				_jul.RealCenter = 0.0;
				_jul.ImgCenter = 0.0;
				_jul.Scale = 0.01;
				_jul.Iterations = 512;
			}
			else
			{
				InitJulia();
			}
			_jul.Start( pictureBox );;
			Cursor = Cursors.Default;
		}

		private void InitJulia()
		{
			_jul.RealC = double.Parse( txtRealC.Text );
			_jul.ImgC = double.Parse( txtImaginaryC.Text );
			_jul.RealCenter = double.Parse( txtReal.Text );
			_jul.ImgCenter = double.Parse( txtImaginary.Text );
			_jul.Scale = double.Parse( txtScale.Text );
			_jul.Iterations = int.Parse( txtIterations.Text );
		}

		private void UpdateJuliaReadouts( double realCenter, double imgCenter, double scale )
		{
			txtReal.Text = realCenter.ToString();
			txtImaginary.Text = imgCenter.ToString();
			txtScale.Text = scale.ToString();

			txtIterations.Text = _jul.Iterations.ToString();
		}

		private void btnZoomIn_Click(object sender, System.EventArgs e)
		{
			switch( _DrawMode )
			{
				case DrawMode.Mandelbrot:
					InitMandelbrot();
					_man.ZoomIn();
					break;
				case DrawMode.Julia:
					InitJulia();
					_jul.ZoomIn();
					break;
			}
		}

		private void btnZoomOut_Click(object sender, System.EventArgs e)
		{
			switch( _DrawMode )
			{
				case DrawMode.Mandelbrot:
					InitMandelbrot();
					_man.ZoomOut();
					break;
				case DrawMode.Julia:
					InitJulia();
					_jul.ZoomOut();
					break;
			}
		}

		private void mnuSetColors_Click(object sender, System.EventArgs e)
		{
			FColor c = new FColor();
			switch( _DrawMode )
			{
				case DrawMode.Mandelbrot:
					c.ColorMap = _man.ColorMap;
					break;
				case DrawMode.Julia:
					c.ColorMap = _jul.ColorMap;
					break;
			}
			if( c.ShowDialog( this ) == DialogResult.OK )
			{
				switch( _DrawMode )
				{
					case DrawMode.Mandelbrot:
						_man.ColorMap = c.ColorMap;
						break;
					case DrawMode.Julia:
						_jul.ColorMap = c.ColorMap;
						break;
				}
			}
		}

		private void btnDraw_Click(object sender, System.EventArgs e)
		{
			switch( _DrawMode )
			{
				case DrawMode.Mandelbrot:
					DrawMandelbrot();
					break;
				case DrawMode.Julia:
					DrawJulia();
					break;
			}
		}

		private void mnuFileSaveJulia_Click(object sender, System.EventArgs e)
		{
			SaveFileDialog sfd = new SaveFileDialog();

			sfd.Filter = "Julia Parameter Files (julia)|" +
				"*.julia|" +
				"All files (*.*)|*.*";

			if( sfd.ShowDialog () == DialogResult.OK )
			{
				_jul.SaveSettings( sfd.FileName );
			}
		}

		private void mnuFileSaveMandelbrot_Click(object sender, System.EventArgs e)
		{
			SaveFileDialog sfd = new SaveFileDialog();

			sfd.Filter = "Mandelbrot Parameter Files (mandelbrot)|" +
				"*.mandelbrot|" +
				"All files (*.*)|*.*";

			if( sfd.ShowDialog () == DialogResult.OK )
			{
				_man.SaveSettings( sfd.FileName );
			}
		}

		private void mnuFileLoadJulia_Click(object sender, System.EventArgs e)
		{
			OpenFileDialog ofd = new OpenFileDialog ();

			ofd.Filter = "Julia Parameter Files (julia)|" +
				"*.julia|" +
				"All files (*.*)|*.*";

			if( ofd.ShowDialog () == DialogResult.OK )
			{
				String fileName = ofd.FileName;
				if( fileName.Length != 0 )
				{
					_jul.ReadSettings( ofd.FileName );
					
					if( _DrawMode != DrawMode.Julia )
					{
						if( _man != null )
						{
							_man.DisableMouseHandlers();
						}
						_DrawMode = DrawMode.Julia;
						groupBox2.Visible = true;
						label1.Text = "Julia";
					}

					txtScale.Text = _jul.Scale.ToString();
					txtReal.Text = _jul.RealCenter.ToString();
					txtImaginary.Text = _jul.ImgCenter.ToString();
					txtIterations.Text = _jul.Iterations.ToString();

					txtRealC.Text = _jul.RealC.ToString();
					txtImaginaryC.Text = _jul.ImgC.ToString();

					_jul.Start( pictureBox );
				}
			}
		}

		private void mnuFileLoadMandelbrot_Click(object sender, System.EventArgs e)
		{
			OpenFileDialog ofd = new OpenFileDialog ();

			ofd.Filter = "Mandelbrot Parameter Files (mandelbrot)|" +
				"*.mandelbrot|" +
				"All files (*.*)|*.*";

			if( ofd.ShowDialog () == DialogResult.OK )
			{
				String fileName = ofd.FileName;
				if( fileName.Length != 0 )
				{
					_man.ReadSettings( ofd.FileName );
					
					if( _DrawMode != DrawMode.Mandelbrot )
					{
						if( _jul != null )
						{
							_jul.DisableMouseHandlers();
						}
						_DrawMode = DrawMode.Mandelbrot;
						groupBox2.Visible = false;
						label1.Text = "Mandelbrot";
					}

					txtScale.Text = _man.Scale.ToString();
					txtReal.Text = _man.RealCenter.ToString();
					txtImaginary.Text = _man.ImgCenter.ToString();
					txtIterations.Text = _man.Iterations.ToString();

					_man.Start( pictureBox );
				}
			}
		}

		private void FMain_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			if( _man != null )
			{
				_man.Kill();
			}
			if( _jul != null )
			{
				_jul.Kill();
			}
		}
	}
}