Star Gradient Brush : PathGradientBrush : Graphics C# Source Code


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Star Gradient Brush








    
 

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
   
class StarGradientBrush: Form
{
     public static void Main()
     {
          Application.Run(new StarGradientBrush());
     }
     public StarGradientBrush()
     {
          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)
     {
          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 * (0.50 + 0.48 * Math.Cos(dAngle))),
                         (int)(cy * (0.50 + 0.48 * Math.Sin(dAngle))));
          }
          PathGradientBrush pgbrush = new PathGradientBrush(apt);
   
          pgbrush.CenterColor = Color.White;
          pgbrush.SurroundColors = new Color[1] { Color.Black };
   
          grfx.FillRectangle(pgbrush, 0, 0, cx, cy);
    }
}

 
    
   
  
   







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