using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
class HexagonGradientBrush: Form
{
const float fSide = 50; // Side (also radius) of hexagon
public static void Main()
{
Application.Run(new HexagonGradientBrush());
}
public HexagonGradientBrush()
{
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)
{
float fHalf = fSide * (float) Math.Sin(Math.PI / 3);
PointF[] aptf = {new PointF( fSide, 0),
new PointF( fSide * 1.5f, 0),
new PointF( fSide, 0),
new PointF( fSide / 2, -fHalf),
new PointF(-fSide / 2, -fHalf),
new PointF(-fSide, 0),
new PointF(-fSide * 1.5f, 0),
new PointF(-fSide, 0),
new PointF(-fSide / 2, fHalf),
new PointF( fSide / 2, fHalf) };
PathGradientBrush pgbrush1 = new PathGradientBrush(aptf, WrapMode.Tile);
for (int i = 0; i < aptf.Length; i++)
{
aptf[i].X += fSide * 1.5f;
aptf[i].Y += fHalf;
}
PathGradientBrush pgbrush2 =
new PathGradientBrush(aptf, WrapMode.Tile);
grfx.FillRectangle(pgbrush1, 0, 0, cx, cy);
grfx.FillRectangle(pgbrush2, 0, 0, cx, cy);
}
}
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