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 void ToPenTest()
{
Pen pen = new Pen(Color.FromArgb(255, 0, 0, 0));
PaintPen paintPen = new PaintPen(pen);
Pen actualPen = paintPen.ToPen();
Assert.AreSame(pen, actualPen);
}
public void ConstructorPaintColorTest()
{
PaintColor paintColor = new PaintColor(40, 20, 30, 35);
PaintPen paintPen = new PaintPen(paintColor);
Pen actualPen = paintPen.ToPen();
Assert.AreEqual(paintColor.A, actualPen.Color.A);
Assert.AreEqual(paintColor.R, actualPen.Color.R);
Assert.AreEqual(paintColor.G, actualPen.Color.G);
Assert.AreEqual(paintColor.B, actualPen.Color.B);
}
public override void Draw(PaintGraphics graphics)
{
(int x, int y, int width, int height) = CalculateRoundRect();
graphics.MySmoothingMode = EPaintSmoothingMode.AntiAlias;
PaintPen pen = new PaintPen(Color, Thickness);
pen.LineJoin = EPainLinejoin.Round;
PaintRectangleF rect = new PaintRectangleF(x, y, width, height);
PaintGraphicsPath path = this.GetRoundRectangle(rect, radius);
graphics.DrawPath(pen, path);
}
