Nadesłany przez Tomasz Lubiński, 16 stycznia 2009 01:00
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Plonacy statek - C#/Form1.cs:
// Fraktale - plonacy statek - Michael Michelitsch, Otto E. Rössler // www.algorytm.org // Tomasz Lubinski (c) 2008 using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace Burning_Ship { /// <summary> /// Fraktale - plonacy statek /// www.algorytm.org /// Tomasz Lubinski (c) 2008 /// </summary> public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; private System.Windows.Forms.Label label2; private System.Windows.Forms.TextBox maxy; private System.Windows.Forms.TextBox miny; private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox maxx; private System.Windows.Forms.TextBox minx; private System.Windows.Forms.PictureBox Fractal; private Graphics graph; //Describes places to render private double ratioX; private double ratioY; private double minX; private double minY; private double maxX; private double maxY; private int downX; private int downY; private Pen [] penColors = new Pen[120]; private System.Windows.Forms.Panel Selection; private System.Windows.Forms.Button button2; private System.Windows.Forms.Label label3; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public Form1() { // // Required for Windows Form Designer support // InitializeComponent(); } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.button1 = new System.Windows.Forms.Button(); this.label2 = new System.Windows.Forms.Label(); this.maxy = new System.Windows.Forms.TextBox(); this.miny = new System.Windows.Forms.TextBox(); this.label1 = new System.Windows.Forms.Label(); this.maxx = new System.Windows.Forms.TextBox(); this.minx = new System.Windows.Forms.TextBox(); this.Fractal = new System.Windows.Forms.PictureBox(); this.Selection = new System.Windows.Forms.Panel(); this.button2 = new System.Windows.Forms.Button(); this.label3 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(376, 128); this.button1.Name = "button1"; this.button1.TabIndex = 15; this.button1.Text = "Generuj"; this.button1.Click += new System.EventHandler(this.button1_Click); // // label2 // this.label2.Location = new System.Drawing.Point(376, 72); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(64, 23); this.label2.TabIndex = 14; this.label2.Text = "Zakres Y"; // // maxy // this.maxy.Location = new System.Drawing.Point(440, 96); this.maxy.Name = "maxy"; this.maxy.Size = new System.Drawing.Size(120, 20); this.maxy.TabIndex = 13; this.maxy.Text = "textBox3"; // // miny // this.miny.Location = new System.Drawing.Point(440, 72); this.miny.Name = "miny"; this.miny.Size = new System.Drawing.Size(120, 20); this.miny.TabIndex = 12; this.miny.Text = "textBox4"; // // label1 // this.label1.Location = new System.Drawing.Point(376, 17); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(64, 23); this.label1.TabIndex = 11; this.label1.Text = "Zakres X"; // // maxx // this.maxx.Location = new System.Drawing.Point(440, 41); this.maxx.Name = "maxx"; this.maxx.Size = new System.Drawing.Size(120, 20); this.maxx.TabIndex = 10; this.maxx.Text = "textBox2"; // // minx // this.minx.Location = new System.Drawing.Point(440, 17); this.minx.Name = "minx"; this.minx.Size = new System.Drawing.Size(120, 20); this.minx.TabIndex = 9; this.minx.Text = "textBox1"; // // Fractal // this.Fractal.Cursor = System.Windows.Forms.Cursors.Cross; this.Fractal.Location = new System.Drawing.Point(8, 8); this.Fractal.Name = "Fractal"; this.Fractal.Size = new System.Drawing.Size(352, 352); this.Fractal.TabIndex = 8; this.Fractal.TabStop = false; this.Fractal.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Fractal_MouseUp); this.Fractal.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Fractal_MouseMove); this.Fractal.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Fractal_MouseDown); // // Selection // this.Selection.BackColor = System.Drawing.SystemColors.HighlightText; this.Selection.Location = new System.Drawing.Point(160, 160); this.Selection.Name = "Selection"; this.Selection.Size = new System.Drawing.Size(48, 40); this.Selection.TabIndex = 16; this.Selection.Visible = false; // // button2 // this.button2.Location = new System.Drawing.Point(464, 128); this.button2.Name = "button2"; this.button2.TabIndex = 17; this.button2.Text = "Reset"; this.button2.Click += new System.EventHandler(this.Form1_Load); // // label3 // this.label3.Location = new System.Drawing.Point(376, 176); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(184, 48); this.label3.TabIndex = 18; this.label3.Text = "W oknie po lewej zaznacz fragment do powiekszenia, badz wpisz zakres recznie i n" + "acisnij \"Generuj\""; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(568, 371); this.Controls.Add(this.label3); this.Controls.Add(this.button2); this.Controls.Add(this.Selection); this.Controls.Add(this.button1); this.Controls.Add(this.label2); this.Controls.Add(this.maxy); this.Controls.Add(this.miny); this.Controls.Add(this.label1); this.Controls.Add(this.maxx); this.Controls.Add(this.minx); this.Controls.Add(this.Fractal); this.Name = "Form1"; this.Text = "Fraktale - burning ship - www.algorytm.org (c) 2008 by Tomasz Lubinski"; this.Load += new System.EventHandler(this.Form1_Load); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new Form1()); } //for HSV colors private void HSV2RGB(float hue, float sat, float val, out float red, out float grn, out float blu) { int i; float f, p, q, t; red=0; grn=0; blu=0; if(val==0) {return;} else { hue/=60; i = (int)(hue); f = hue-i; p = val*(1-sat); q = val*(1-(sat*f)); t = val*(1-(sat*(1-f))); if (i==0) {red=val; grn=t; blu=p;} else if (i==1) {red=q; grn=val; blu=p;} else if (i==2) {red=p; grn=val; blu=t;} else if (i==3) {red=p; grn=q; blu=val;} else if (i==4) {red=t; grn=p; blu=val;} else if (i==5) {red=val; grn=p; blu=q;} } } //initialize color pens private void initializeColors() { float r, g, b; for (int i=0; i<penColors.Length-1; i++) { HSV2RGB((float)0, (float)0.85, (float)(0.48*Math.Log10(i+1)), out r, out g, out b); penColors[i] = new Pen(Color.FromArgb((int)(r*255), (int)(g*255), (int)(b*255))); } penColors[penColors.Length-1] = new Pen(Color.FromArgb(0, 0, 0)); } /// <summary> /// Generates fractal - burning ship /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button1_Click(object sender, System.EventArgs e) { int i, j, level; complex_t p = new complex_t(); Fractal.Image = new Bitmap(Fractal.Width, Fractal.Height); Graphics graph = Graphics.FromImage(Fractal.Image); graph.FillRectangle(new SolidBrush(Color.White), 0, 0, Fractal.Width, Fractal.Height); minX = double.Parse(minx.Text); minY = double.Parse(miny.Text); maxX = double.Parse(maxx.Text); maxY = double.Parse(maxy.Text); ratioX = (maxX - minX) / Fractal.Width; ratioY = (maxY - minY) / Fractal.Height; for (i=0; i<Fractal.Height; i++) { p.imaginary = i*ratioY + minY; for (j=0; j<Fractal.Width; j++) { p.real = j*ratioX + minX; level = levelSet(p); graph.DrawRectangle(penColors[level-1], j, i, 1, 1); } } Fractal.Invalidate(); } //function z[0]=p private complex_t f(complex_t p) { return p; } //function z[n+1] = (|Re{z[n]}| + i|Im{z[n]|)^2 + p private complex_t g(complex_t z, complex_t p) { complex_t result = new complex_t(); result.real = z.real*z.real - z.imaginary*z.imaginary + p.real; result.imaginary = 2*Math.Abs(z.real*z.imaginary) + p.imaginary; return result; } //value is inside set in the returned level private int levelSet(complex_t p) { complex_t z = new complex_t(); int iteration; iteration = 0; z = f(p); do { z = g(z, p); iteration++; } while (z.complexModSq() < 4 && iteration < 120); return iteration; } //intialize form private void Form1_Load(object sender, System.EventArgs e) { minx.Text = ((double)-2).ToString(); maxx.Text = ((double)1.5).ToString(); miny.Text = ((double)-2).ToString(); maxy.Text = ((double)1.5).ToString(); minX = double.Parse(minx.Text); minY = double.Parse(miny.Text); maxX = double.Parse(maxx.Text); maxY = double.Parse(maxy.Text); ratioX = (maxX - minX) / Fractal.Width; ratioY = (maxY - minY) / Fractal.Height; initializeColors(); Fractal.Image = new Bitmap(Fractal.Width, Fractal.Height); graph = Graphics.FromImage(Fractal.Image); //render new fractal button1_Click(sender, e); } //draw selection private void Fractal_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { if (e.Button == MouseButtons.Left) { downX = e.X; downY = e.Y; Selection.Width = 0; Selection.Height = 0; Selection.Visible = true; } } //redraw selection private void Fractal_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { if (e.Button == MouseButtons.Left) { Selection.Width = Math.Abs(downX - e.X); Selection.Height = Math.Abs(downY - e.Y); Selection.Left = Fractal.Left + Math.Min(downX, e.X); Selection.Top = Fractal.Top + Math.Min(downY, e.Y); } } //clear selection - render new fractal for given selection private void Fractal_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { //remove selection Selection.Visible = false; //get new range to render minx.Text = (Math.Min(downX, e.X)*ratioX + minX).ToString(); maxx.Text = (Math.Max(downX, e.X)*ratioX + minX).ToString(); miny.Text = (Math.Min(downY, e.Y)*ratioY + minY).ToString(); maxy.Text = (Math.Max(downY, e.Y)*ratioY + minY).ToString(); minX = double.Parse(minx.Text); minY = double.Parse(miny.Text); maxX = double.Parse(maxx.Text); maxY = double.Parse(maxy.Text); //render new fractal button1_Click(sender, e); } } /// <summary> /// Class for complex numbers x = x.real + i*x.imaginary /// </summary> public class complex_t { public double real; public double imaginary; //calculate squared modus of given complex c public double complexModSq() { return (real*real + imaginary*imaginary); } } }