//private void MakeVertical(Edge edge)
//{
// int index = MyPolygon.ListOfEdges.FindIndex(e => e.Equals(edge));
// if (MyPolygon.ListOfEdges[index + 1 == MyPolygon.ListOfEdges.Count ? 0 : index + 1] is VerticalEdge ||
// MyPolygon.ListOfEdges[index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1] is VerticalEdge)
// return;
// if (MyPolygon.ListOfEdges[index + 1 == MyPolygon.ListOfEdges.Count ? 0 : index + 1] is NormalEdge)
// {
// VerticalEdge vEdge = new VerticalEdge(edge.Start.Location, edge.End.Location);
// MyPolygon.ListOfEdges.RemoveAt(index);
// MyPolygon.ListOfEdges.Insert(index, vEdge);
// MyPolygon.ListOfVertexes.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
// MyPolygon.ListOfVertexes.Insert(index + 1, vEdge.End);
// NormalEdge nEdge = new NormalEdge(vEdge.End.Location, MyPolygon.ListOfVertexes[index + 2 >= MyPolygon.ListOfVertexes.Count ? index + 2 - MyPolygon.ListOfVertexes.Count : index + 2].Location);
// MyPolygon.ListOfEdges.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
// MyPolygon.ListOfEdges.Insert(index + 1, nEdge);
// }
// if (MyPolygon.ListOfEdges[index + 1 == MyPolygon.ListOfEdges.Count ? 0 : index + 1] is HorizontalEdge)
// {
// VerticalEdge vEdge = new VerticalEdge(edge.Start.Location, edge.End.Location);
// MyPolygon.ListOfEdges.RemoveAt(index);
// MyPolygon.ListOfEdges.Insert(index, vEdge);
// MyPolygon.ListOfVertexes.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
// MyPolygon.ListOfVertexes.Insert(index + 1, vEdge.End);
// HorizontalEdge hEdge = new HorizontalEdge(vEdge.End.Location, MyPolygon.ListOfVertexes[index + 2 >= MyPolygon.ListOfVertexes.Count ? index + 2 - MyPolygon.ListOfVertexes.Count : index + 2].Location);
// MyPolygon.ListOfEdges.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
// MyPolygon.ListOfEdges.Insert(index + 1, vEdge);
// }
//}
private void MakeHorizontal(Edge edge)
{
int index = MyPolygon.ListOfEdges.FindIndex(e => e.Equals(edge));
if (MyPolygon.ListOfEdges[index + 1 == MyPolygon.ListOfEdges.Count ? 0 : index + 1] is HorizontalEdge ||
MyPolygon.ListOfEdges[index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1] is HorizontalEdge)
{
return;
}
if (MyPolygon.ListOfEdges[index + 1 == MyPolygon.ListOfEdges.Count ? 0 : index + 1] is NormalEdge)
{
HorizontalEdge hEdge = new HorizontalEdge(edge.Start.Location, edge.End.Location);
MyPolygon.ListOfEdges.RemoveAt(index);
MyPolygon.ListOfEdges.Insert(index, hEdge);
MyPolygon.ListOfVertexes.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
MyPolygon.ListOfVertexes.Insert(index + 1, hEdge.End);
NormalEdge nEdge = new NormalEdge(hEdge.End.Location, MyPolygon.ListOfVertexes[index + 2 >= MyPolygon.ListOfVertexes.Count ? index + 2 - MyPolygon.ListOfVertexes.Count : index + 2].Location);
MyPolygon.ListOfEdges.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
MyPolygon.ListOfEdges.Insert(index + 1, nEdge);
}
if (MyPolygon.ListOfEdges[index + 1 == MyPolygon.ListOfEdges.Count ? 0 : index + 1] is VerticalEdge)
{
HorizontalEdge hEdge = new HorizontalEdge(edge.Start.Location, edge.End.Location);
MyPolygon.ListOfEdges.RemoveAt(index);
MyPolygon.ListOfEdges.Insert(index, hEdge);
MyPolygon.ListOfVertexes.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
MyPolygon.ListOfVertexes.Insert(index + 1, hEdge.End);
VerticalEdge vEdge = new VerticalEdge(hEdge.End.Location, MyPolygon.ListOfVertexes[index + 2 >= MyPolygon.ListOfVertexes.Count ? index + 2 - MyPolygon.ListOfVertexes.Count : index + 2].Location);
MyPolygon.ListOfEdges.RemoveAt(index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1);
MyPolygon.ListOfEdges.Insert(index + 1, vEdge);
}
}
private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
if (DrawPolygonButton.Checked && !IsPolygonCreated)
{
if (MyPolygon == null)
{
return;
}
if (MyPolygon.ListOfVertexes.Count != 0)
{
NewMouseLocation = e.Location;
DrawArea.Dispose();
DrawArea = new Bitmap(pictureBox1.Width, pictureBox1.Height);
DrawAll(Color.Black);
DrawLine(new NormalEdge(MyPolygon.ListOfVertexes.Last().Location, NewMouseLocation));
}
}
if (MovePolygonButton.Checked && IsPolygonCreated)
{
if (!MouseDown)
{
return;
}
NewMouseLocation = e.Location;
int xDiff = NewMouseLocation.X - MouseLocation.X;
int yDiff = NewMouseLocation.Y - MouseLocation.Y;
Polygon p = new Polygon();
foreach (Vertex v in MyPolygon.ListOfVertexes)
{
try
{
p.ListOfVertexes.Add(new Vertex(v.Location.X + xDiff, v.Location.Y + yDiff));
}
catch (ArgumentOutOfRangeException)
{
}
}
p.MovedEdges(xDiff, yDiff, MyPolygon.ListOfEdges);
MyPolygon = p;
DrawAll(Color.Black);
MouseLocation = NewMouseLocation;
}
if (MoveVertexButton.Checked && IsPolygonCreated)
{
if (!MouseDown)
{
return;
}
Vertex v = MyPolygon.ClosestVertex(MouseLocation);
if (v == null)
{
return;
}
NewMouseLocation = e.Location;
int index = MyPolygon.ListOfVertexes.FindIndex(ver => ver.Equals(v));
int xDiff = NewMouseLocation.X - MouseLocation.X;
int yDiff = NewMouseLocation.Y - MouseLocation.Y;
if (MyPolygon.ListOfEdges[index] is NormalEdge &&
MyPolygon.ListOfEdges[index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1] is NormalEdge)
{
v.Location.X += xDiff;
v.Location.Y += yDiff;
Edge edge = new NormalEdge(
MyPolygon.ListOfVertexes[index - 1 < 0 ? MyPolygon.ListOfVertexes.Count - 1 : index - 1]
.Location, v.Location);
MyPolygon.ListOfEdges.RemoveAt(index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1);
MyPolygon.ListOfEdges.Insert(index - 1 < 0 ? MyPolygon.ListOfEdges.Count : index - 1, edge);
edge = new NormalEdge(v.Location,
MyPolygon.ListOfVertexes[index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1].Location);
MyPolygon.ListOfEdges.RemoveAt(index);
MyPolygon.ListOfEdges.Insert(index, edge);
}
else if (MyPolygon.ListOfEdges[index] is HorizontalEdge ||
MyPolygon.ListOfEdges[
index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1] is HorizontalEdge)
{
v.Location.X += xDiff;
if (MyPolygon.ListOfEdges[index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1] is HorizontalEdge)
{
HorizontalEdge hEdge = new HorizontalEdge(MyPolygon
.ListOfVertexes[index - 1 < 0 ? MyPolygon.ListOfVertexes.Count - 1 : index - 1]
.Location, v.Location);
MyPolygon.ListOfEdges.RemoveAt(index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1);
MyPolygon.ListOfEdges.Insert(index - 1 < 0 ? MyPolygon.ListOfEdges.Count : index - 1, hEdge);
Edge edge = new NormalEdge(v.Location,
MyPolygon.ListOfVertexes[index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1]
.Location);
MyPolygon.ListOfEdges.RemoveAt(index);
MyPolygon.ListOfEdges.Insert(index, edge);
}
if (MyPolygon.ListOfEdges[index] is HorizontalEdge)
{
Edge edge = new NormalEdge(
MyPolygon.ListOfVertexes[index - 1 < 0 ? MyPolygon.ListOfVertexes.Count - 1 : index - 1]
.Location, v.Location);
MyPolygon.ListOfEdges.RemoveAt(index - 1 < 0 ? MyPolygon.ListOfEdges.Count - 1 : index - 1);
MyPolygon.ListOfEdges.Insert(index - 1 < 0 ? MyPolygon.ListOfEdges.Count : index - 1, edge);
HorizontalEdge hEdge = new HorizontalEdge(v.Location,
MyPolygon.ListOfVertexes[index + 1 == MyPolygon.ListOfVertexes.Count ? 0 : index + 1]
.Location);
MyPolygon.ListOfEdges.RemoveAt(index);
MyPolygon.ListOfEdges.Insert(index, hEdge);
}
}
DrawAll(Color.Black);
MouseLocation = NewMouseLocation;
}
}