Mega Code Archive

 

Categories / C# by API / System Drawing

 

Graphics FillClosedCurve

using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms;     class ClosedCurveFillModes: Form {      public static void Main()      {           Application.Run(new ClosedCurveFillModes());      }      ClosedCurveFillModes()      {         ResizeRedraw = true;       }      protected override void OnPaint(PaintEventArgs pea)      {           DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);      }             protected void DoPage(Graphics grfx, Color clr, int cx, int cy)      {           Brush   brush = new SolidBrush(clr);           Point[] apt   = new Point[5];                      for (int i = 0; i < apt.Length; i++)           {                double dAngle = (i * 0.8 - 0.5) * Math.PI;                apt[i] = new Point(                               (int)(cx *(0.25 + 0.24 * Math.Cos(dAngle))),                               (int)(cy *(0.50 + 0.48 * Math.Sin(dAngle))));           }           grfx.FillClosedCurve(brush, apt, FillMode.Alternate);               for (int i = 0; i < apt.Length; i++)                 apt[i].X += cx / 2;                        grfx.FillClosedCurve(brush, apt, FillMode.Winding);      } }