private void DrawingField_MouseMove(object sender, MouseEventArgs e)
{
if (IsMouseDown)
{
switch (CurrentMode)
{
case modes.AddCircle:
if (circles.Count > 0)
{
Circle c = circles[circles.Count - 1];
c.radius = (int)Math.Sqrt((c.center.X - e.X) * (c.center.X - e.X) + (c.center.Y - e.Y) * (c.center.Y - e.Y));
}
break;
case modes.AddPolygon:
polygons[polygons.Count - 1].points[polygons[polygons.Count - 1].points.Count - 1] = e.Location;
break;
case modes.Move:
Circle sc = Selected as Circle;
if (sc != null)
{
switch (CurrentMoveMode)
{
case moveModes.Point:
((CircleAction)actions[actions.Count - 1]).centerA = e.Location;
sc.center = e.Location;
break;
case moveModes.Radius:
sc.radius = (int)Math.Sqrt((sc.center.X - e.X) * (sc.center.X - e.X) + (sc.center.Y - e.Y) * (sc.center.Y - e.Y));
((CircleAction)actions[actions.Count - 1]).radiusA = sc.radius;
break;
}
}
Polygon p = Selected as Polygon;
if (p != null)
{
switch (CurrentMoveMode)
{
case moveModes.Point:
p.points[WhichPoint] = e.Location;
((PolygonMovePointAction)actions[actions.Count - 1]).pointA = e.Location;
break;
case moveModes.Edge:
Point middle = new Point((p.points[WhichPoint].X + p.points[(WhichPoint + 1) % p.points.Count].X) / 2, (p.points[WhichPoint].Y + p.points[(WhichPoint + 1) % p.points.Count].Y) / 2);
p.points[WhichPoint] = new Point(p.points[WhichPoint].X + (e.X - middle.X), p.points[WhichPoint].Y + (e.Y - middle.Y));
p.points[(WhichPoint + 1) % p.points.Count] = new Point(p.points[(WhichPoint + 1) % p.points.Count].X + (e.X - middle.X), p.points[(WhichPoint + 1) % p.points.Count].Y + (e.Y - middle.Y));
((PolygonMoveEdgeAction)actions[actions.Count - 1]).point1A = p.points[WhichPoint];
((PolygonMoveEdgeAction)actions[actions.Count - 1]).point2A = p.points[(WhichPoint + 1) % p.points.Count];
break;
case moveModes.Polygon:
Point middle1 = p.Middle();
for (int i = 0; i < p.points.Count; i++)
{
p.points[i] = new Point(p.points[i].X + (e.X - middle1.X), p.points[i].Y + (e.Y - middle1.Y));
}
((PolygonMoveWholeAction)actions[actions.Count - 1]).middleA = middle1;
break;
}
}
break;
}
Refresh();
}
}
private void DrawingField_MouseDown(object sender, MouseEventArgs e)
{
switch (CurrentMode)
{
case modes.Delete:
Circle sc1 = Selected as Circle;
if (sc1 != null)
{
if (sc1.IsInside(e.Location))
{
CircleAction ca1 = new CircleAction("Usuniecie kola", modes.Delete, moveModes.None, sc1.SolidBrush, circles.FindIndex(cc => sc1 == cc), sc1.center, Point.Empty, sc1.radius, 0);
AddAction(ca1);
circles.Remove(sc1);
Selected = null;
}
}
Polygon p2 = Selected as Polygon;
if (p2 != null)
{
bool Found2 = false;
for (int i = 0; i < p2.points.Count && !Found2; i++)
{
if ((Math.Abs(e.X - p2.points[i].X) < 10 && Math.Abs(e.Y - p2.points[i].Y) < 10))
{
Found2 = true;
if (p2.points.Count == 3)
{
AddAction(new PolygonDeleteAction("Usuniecie wielokata", polygons.FindIndex(cc1 => p2 == cc1), p2.SolidBrush, p2.points));
polygons.Remove(p2);
Selected = null;
}
else
{
AddAction(new PolygonDeleteVerticeAction("Usuniecie wierzcholka", polygons.FindIndex(cc2 => p2 == cc2), i, p2.points[i], Point.Empty));
p2.points.RemoveAt(i);
}
}
}
if (!Found2 && p2.IsInside(e.Location))
{
AddAction(new PolygonDeleteAction("Usuniecie wielokata", polygons.FindIndex(cc3 => p2 == cc3), p2.SolidBrush, p2.points));
polygons.Remove(p2);
Selected = null;
}
}
break;
case modes.AddCircle:
IsMouseDown = true;
circles.Add(new Circle(e.Location, 1)
{
SolidBrush = SelectedColor
});
CircleAction ca = new CircleAction("Dodanie kola", modes.AddCircle, moveModes.None, SelectedColor, circles.Count - 1, Point.Empty, e.Location, 0, 1);
AddAction(ca);
break;
case modes.AddPolygon:
IsMouseDown = true;
CompletePoly.Enabled = true;
if (polygons.Count == 0 || polygons[polygons.Count - 1].Completed)
{
polygons.Add(new Polygon(e.Location)
{
SolidBrush = SelectedColor
});
AddAction(new PolygonCreatePolygonAction("Utworzenie wielokata", SelectedColor, Point.Empty, e.Location, CompletePoly, polygons.Count - 1));
}
polygons[polygons.Count - 1].points.Add(e.Location);
break;
case modes.Select:
Selected = null;
bool Found = false;
for (int i = 0; i < polygons.Count && !Found; i++)
{
if (polygons[i].IsInside(e.Location))
{
Found = true;
Selected = polygons[i];
}
}
for (int i = 0; i < circles.Count && !Found; i++)
{
if (circles[i].IsInside(e.Location))
{
Found = true;
Selected = circles[i];
}
}
break;
case modes.Move:
IsMouseDown = true;
CurrentMoveMode = moveModes.None;
Circle sc = Selected as Circle;
if (sc != null)
{
if ((Math.Abs(e.X - sc.center.X) < 10 && Math.Abs(e.Y - sc.center.Y) < 10))
{
AddAction(new CircleAction("Przesuniecie kola", modes.Move, moveModes.Point, sc.SolidBrush, circles.FindIndex(cc4 => cc4 == sc), sc.center, Point.Empty, 0, 0));
CurrentMoveMode = moveModes.Point;
}
else
{
AddAction(new CircleAction("Zmiana promienia kola", modes.Move, moveModes.Radius, sc.SolidBrush, circles.FindIndex(cc5 => cc5 == sc), Point.Empty, Point.Empty, sc.radius, 0));
CurrentMoveMode = moveModes.Radius;
}
}
Polygon p = Selected as Polygon;
if (p != null)
{
bool Found1 = false;
for (int i = 0; i < p.points.Count && !Found1; i++) //przesuwanie wierzcholka
{
if ((Math.Abs(e.X - p.points[i].X) < 10 && Math.Abs(e.Y - p.points[i].Y) < 10))
{
Found1 = true;
AddAction(new PolygonMovePointAction("Przesuniecie wierzcholka", polygons.FindIndex(cc6 => cc6 == p), i, p.points[i], Point.Empty));
CurrentMoveMode = moveModes.Point;
WhichPoint = i;
}
}
if (!Found1)
{
bool FoundEdge = false;
for (int i = 0; i < p.points.Count && !FoundEdge; i++) //przesuwanie krawedzi
{
if (Math.Abs(
Math.Sqrt(
(e.X - p.points[i].X) * (e.X - p.points[i].X) + (e.Y - p.points[i].Y) * (e.Y - p.points[i].Y)
) + Math.Sqrt(
(e.X - p.points[(i + 1) % p.points.Count].X) * (e.X - p.points[(i + 1) % p.points.Count].X) +
(e.Y - p.points[(i + 1) % p.points.Count].Y) * (e.Y - p.points[(i + 1) % p.points.Count].Y)
) - Math.Sqrt(
(p.points[i].X - p.points[(i + 1) % p.points.Count].X) * (p.points[i].X - p.points[(i + 1) % p.points.Count].X) +
(p.points[i].Y - p.points[(i + 1) % p.points.Count].Y) * (p.points[i].Y - p.points[(i + 1) % p.points.Count].Y)
)
) < 10)
{
FoundEdge = true;
AddAction(new PolygonMoveEdgeAction("Przesuniecie krawedzi", polygons.FindIndex(cc7 => cc7 == p), i, p.points[i], Point.Empty, p.points[(i + 1) % p.points.Count], Point.Empty));
CurrentMoveMode = moveModes.Edge;
WhichPoint = i;
}
}
if (!FoundEdge) //przesuwanie wielokata
{
AddAction(new PolygonMoveWholeAction("Przesuniecie wielokata", polygons.FindIndex(cc8 => cc8 == p), p.Middle(), Point.Empty));
CurrentMoveMode = moveModes.Polygon;
}
}
}
break;
case modes.AddVertice:
Polygon p1 = Selected as Polygon;
if (p1 != null)
{
bool FoundEdge = false;
for (int i = 0; i < p1.points.Count && !FoundEdge; i++)
{
int a = (int)Math.Abs(
Math.Sqrt(
(e.X - p1.points[i].X) * (e.X - p1.points[i].X) + (e.Y - p1.points[i].Y) * (e.Y - p1.points[i].Y)
) + Math.Sqrt(
(e.X - p1.points[(i + 1) % p1.points.Count].X) * (e.X - p1.points[(i + 1) % p1.points.Count].X) +
(e.Y - p1.points[(i + 1) % p1.points.Count].Y) * (e.Y - p1.points[(i + 1) % p1.points.Count].Y)
) - Math.Sqrt(
(p1.points[i].X - p1.points[(i + 1) % p1.points.Count].X) * (p1.points[i].X - p1.points[(i + 1) % p1.points.Count].X) +
(p1.points[i].Y - p1.points[(i + 1) % p1.points.Count].Y) * (p1.points[i].Y - p1.points[(i + 1) % p1.points.Count].Y)
)
);
if (a < 10)
{
FoundEdge = true;
p1.points.Insert(i + 1, e.Location);
AddAction(new PolygonAddVerticeAction("Dodanie wierzcholka", polygons.FindIndex(cc9 => cc9 == p1), i + 1, Point.Empty, e.Location));
}
}
}
break;
}
Refresh();
}
