private void InscribePolygon(PaintGraphics graphics, PaintRectangleF rectangle, int numSides)
{
float Radius = (float)((double)Math.Min(rectangle.Width, rectangle.Height) / 2.0);
ShapePointF Center = new ShapePointF(
(float)(rectangle.Location.X + rectangle.Width / 2.0),
(float)(rectangle.Location.Y + rectangle.Height / 2.0));
PaintRectangleF rectangleF = new PaintRectangleF(Center, new ShaipSizeF(1, 1));
rectangleF.Inflate(Radius, Radius);
float Sides = (float)numSides;
float ExteriorAngle = (float)360 / Sides;
float InteriorAngle = (Sides - (float)2) / Sides * (float)180;
float SideLength = (float)2 * Radius * (float)Math.Sin(Math.PI / (double)Sides);
for (int i = 1; i <= Sides; i++)
{
graphics.ResetTransform();
graphics.TranslateTransform(Center.X, Center.Y);
graphics.RotateTransform((i - 1) * ExteriorAngle);
graphics.TranslateTransform(0, -Radius);
graphics.RotateTransform(180 - InteriorAngle / 2);
graphics.MySmoothingMode = EPaintSmoothingMode.AntiAlias;
PaintPen pen = new PaintPen(Color, Thickness);
pen.StartCap = EPaintLineCap.Round;
pen.EndCap = EPaintLineCap.Round;
graphics.DrawLine(
pen,
new ShapePointF(0, 0).ToPointF(),
new ShapePointF(0, -SideLength).ToPointF());
}
}
public override void Draw(PaintGraphics graphics)
{
graphics.DrawLine(
new PaintPen(new PaintSolidBrush(Color), Thickness),
Location.X,
Location.Y,
FinishLocation.X,
FinishLocation.Y);
}
public override void Draw(PaintGraphics graphics)
{
if (_points.Count > 1)
{
for (int i = 0; i < _points.Count - 1; i++)
{
graphics.DrawLine(new PaintPen(new PaintSolidBrush(Color), Thickness), _points[i], _points[i + 1]);
}
foreach (ShapePoint point in _points)
{
graphics.MySmoothingMode = EPaintSmoothingMode.AntiAlias;
graphics.FillEllipse(new PaintSolidBrush(Color),
point.X - Thickness / 2,
point.Y - Thickness / 2,
Thickness,
Thickness);
}
}
}
