Graphics.FillClosedCurve : Graphics « System.Drawing « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Drawing
3. Graphics

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);
     }
}

   
    
    
  

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