public static void DrawArc(this Graphics g, Pen p, WFArcWrapper a)
{
PointF[] arrow = new PointF[3] {
new PointF(-10,-5),
new PointF(0,0),
new PointF(-10,5)
};
double angle;
Matrix dM;
if (a.Points != null && a.Points.Length > 0)
{
angle = -Math.Atan2(tail.Coords.Y - a.Points[0].Y, a.Points[0].X - tail.Coords.X);
PointF popravka = new PointF((float)Math.Cos(angle) * tail.Size.Width / 2,
(float)Math.Sin(angle) * tail.Size.Height / 2);
g.DrawLine(p, MGraphic.T(popravka.X, popravka.Y) * tail.Coords, a.Points[0]);
for (int i = 0; i < a.Points.Length - 1; i++)
g.DrawLine(p, a.Points[i], a.Points[i + 1]);
try
{
angle = -Math.Atan2(a.Points[a.Points.Length - 1].Y - head.Coords.Y, head.Coords.X - a.Points[a.Points.Length - 1].X);
popravka = new PointF((float)Math.Cos(angle) * head.Size.Width / 2,
(float)Math.Sin(angle) * head.Size.Height / 2);
g.DrawLine(p, a.Points[a.Points.Length - 1], MGraphic.T(-popravka.X, -popravka.Y) * head.Coords);
dM =
MGraphic.T(head.Coords.X - popravka.X, head.Coords.Y - popravka.Y)
* MGraphic.R(angle * 180 / Math.PI)
;
g.DrawLines(p, dM * arrow);
}
catch { }
}
else
{
//angle = -Math.Atan2(a.Tail.Coords.Y - a.Head.Coords.Y, a.Head.Coords.X - a.Tail.Coords.X);
//PointF popravka = new PointF((float)Math.Cos(angle) * a.Head.Size.Width / 2,
// (float)Math.Sin(angle) * a.Head.Size.Height / 2);
//g.DrawLine(p, MGraphic.T(popravka.X, popravka.Y) * a.Tail.Coords, MGraphic.T(-popravka.X, -popravka.Y) * a.Head.Coords);
//dM =
// MGraphic.T(a.Head.Coords.X - popravka.X, a.Head.Coords.Y - popravka.Y)
// * MGraphic.R(angle * 180 / Math.PI)
// ;
//g.DrawLines(p, dM * arrow);
g.DrawLine(p, tail.Center, head.Center);
}
}
void DrawingGraph(object sender, PaintEventArgs e)
{
MagicLibrary.MathUtils.Matrix m = this.TransformationMatrix;
e.Graphics.Transform = m.ToSystemMatrix();
graphWrapper.Draw(e.Graphics, Pens.Black);
#warning гавнокод!
#region Вывод куска дуги при добавлении
if (selectedVertexIndex != -1 && points != null && points.Count > 0)
{
Arc wArc = new Arc(graphWrapper.Graph, graphWrapper.VertexWrappers[selectedVertexIndex].Name, null);
WFArcWrapper arc = new WFArcWrapper(graphWrapper, wArc) { Points = points.ToArray() };
arc.Draw(e.Graphics, Pens.Gray);
}
#endregion
if (selectionVertexIndex != -1)
//e.Graphics.DrawRectangle(
// Pens.Green,
// graphWrapper[selectionVertexIndex].SelectionRectangle
//);
e.Graphics.DrawRectangle(Pens.Green, (graphWrapper.VertexWrappers[selectionVertexIndex] as WFVertexWrapper).SelectionRectangle);
if (selectedVertexIndex != -1)
(graphWrapper.VertexWrappers[selectedVertexIndex] as WFVertexWrapper).Draw(e.Graphics, Pens.Green);
if (selectionArcIndex != -1)
{
WFArcWrapper selArc = graphWrapper.ArcWrappers[selectionArcIndex] as WFArcWrapper;
//e.Graphics.DrawRectangle(Pens.Red, selArc.WeightRectangle(e.Graphics));
e.Graphics.DrawRectangle(Pens.Red, selArc.TextRectangle(e.Graphics));
selArc.Draw(e.Graphics, Pens.Red, true);
if (selectionArcPointIndex != -1)
{
//e.Graphics.FillEllipse(Brushes.Azure,
// selArc.Points[selectionArcPointIndex].X - 2,
// selArc.Points[selectionArcPointIndex].Y - 2,
// 4,
// 4);
//e.Graphics.DrawEllipse(Pens.Black,
// selArc.Points[selectionArcPointIndex].X - 2,
// selArc.Points[selectionArcPointIndex].Y - 2,
// 4,
// 4);
e.Graphics.FillEllipse(Brushes.Azure, selArc.PointRectangle(selectionArcPointIndex));
e.Graphics.DrawEllipse(Pens.Black, selArc.PointRectangle(selectionArcPointIndex));
//MagicLibrary.Graphic.MGraphic.DrawFillEllipse(e.Graphics,Brushes.Azure, selArc.PointRectangle(selectionArcPointIndex));
//MagicLibrary.Graphic.MGraphic.DrawEllipse(e.Graphics,Pens.Black, selArc.PointRectangle(selectionArcPointIndex));
}
}
}