Bezier Art: DrawBeziers
using System;
using System.Drawing;
using System.Windows.Forms;
class BezierArt: Form
{
public static void Main()
{
Application.Run(new BezierArt());
}
public BezierArt()
{
ResizeRedraw = true;
}
protected override void OnPaint(PaintEventArgs pea)
{
DoPage(pea.Graphics, ForeColor,200, 200);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
Pen pen = new Pen(clr);
PointF[] aptf = new PointF[4];
int iNum = 100;
for (int i = 0; i < iNum; i++)
{
double dAngle = 2 * i * Math.PI / iNum;
aptf[0].X = cx / 2 + cx / 2 * (float) Math.Cos(dAngle);
aptf[0].Y = 5 * cy / 8 + cy / 16 * (float) Math.Sin(dAngle);
aptf[1] = new PointF(cx / 2, -cy);
aptf[2] = new PointF(cx / 2, 2 * cy);
dAngle += Math.PI;
aptf[3].X = cx / 2 + cx / 4 * (float) Math.Cos(dAngle);
aptf[3].Y = cy / 2 + cy / 16 * (float) Math.Sin(dAngle);
grfx.DrawBeziers(pen, aptf);
}
}
}
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