private void DrawPoint(PointShape shape, MappingConverter converter)
{
Color color = Color.FromArgb(shape.Color.R, shape.Color.G, shape.Color.B);
SolidBrush brush = new SolidBrush(color);
Vertex center = new Vertex(shape.X, shape.Y);
PointF point = converter.GetMappingPoint(center);
float radius = converter.GetPenWidth(shape.Width) / 2f;
graphics.FillEllipse(brush, point.X - radius, point.Y - radius, radius * 2, radius * 2);
}
private void DrawCircle(CircleShape shape, MappingConverter converter)
{
Color color = Color.FromArgb(shape.Color.R, shape.Color.G, shape.Color.B);
Pen pen = new Pen(color, converter.GetPenWidth(shape.Width));
PointF center = converter.GetMappingPoint(shape.Center);
Vertex rightMostVertex = new Vertex(shape.Center.X + shape.Raduis, shape.Center.Y);
float radius = converter.GetMappingDistance(shape.Center, rightMostVertex);
graphics.DrawEllipse(pen, center.X - radius, center.Y - radius, radius * 2, radius * 2);
}
private void DrawLine(LineShape shape, MappingConverter converter)
{
Color color = Color.FromArgb(shape.Color.R, shape.Color.G, shape.Color.B);
Pen pen = new Pen(color, converter.GetPenWidth(shape.Width));
PointF[] points = new PointF[shape.Vertexes.Count];
for (int i = 0; i < shape.Vertexes.Count; i++)
{
points[i] = converter.GetMappingPoint(shape.Vertexes[i]);
}
if (shape.Vertexes[0].GeometryEqual(shape.Vertexes[shape.Vertexes.Count - 1]))
{
graphics.DrawPolygon(pen, points);
}
else
{
graphics.DrawLines(pen, points);
DrawPoint(new PointShape(shape.Vertexes[0], shape.Width, shape.Color), converter);
DrawPoint(new PointShape(shape.Vertexes[shape.Vertexes.Count - 1], shape.Width, shape.Color), converter);
}
}