public bool GetElipse(Point p, out myElipse eli)
{
eli = null;
if (isClose(p))
{
eli = this;
return(true);
}
return(false);
}
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
dragVertex = false;
dragPolygon = false;
dragEdge = false;
dragElipse = false;
creatingElipse = false;
oldPolygon = null;
oldElipse = null;
UpdateArea();
pictureBox1.Refresh();
}
private bool FindElipse(Point w, out myElipse elipse)
{
elipse = null;
foreach (myElipse eli in elipses)
{
if (eli.GetElipse(w,out elipse))
{
return true;
}
}
return false;
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
Polygon poly = null;
Edge edge = null;
Vertex ver = null;
myElipse delEli = null;
//Serialize("polygon");
if (e.Button == MouseButtons.Left)
{
switch (operation)
{
case Operations.PolygonAdd:
if(!startCreating)
{
startCreating = true;
newVertex = new Vertex(e.Location);
startVertex = new Vertex(e.Location);
newEdge = new Edge(startVertex, newVertex);
newPolygon = new Polygon(newEdge);
polygons.Add(newPolygon);
}
else
{
if (Math.Abs(e.Location.X - startVertex.X) < Vertex.GetSize() + 20
&& Math.Abs(e.Location.Y - startVertex.Y) < Vertex.GetSize() + 20 && newPolygon.Count() > 2)
{
newEdge.B = startVertex;
startCreating = false;
}
else
{
Vertex v = new Vertex(e.Location);
newEdge = new Edge(newVertex, v);
newPolygon.AddEdge(newEdge);
newVertex = v;
}
}
UpdateArea();
break;
case Operations.VertexMove:
if (FindVertex(e.Location, out vertexP, out polygonP))
{
oldPolygon = polygonP.Copy();
dragVertex = true;
}
break;
case Operations.VertexDelete:
if(FindVertex(e.Location, out ver, out poly))
{
poly.DeleteVertex(ver);
if(poly.Count() == 0)
{
polygons.Remove(poly);
}
UpdateArea();
}
break;
case Operations.VertexAdd:
if(FindEdge(e.Location, out edge, out poly))
{
poly.SplitEdge(edge);
UpdateArea();
}
break;
case Operations.PolygonMove:
if(FindPolygon(e.Location, out polygonP))
{
oldPolygon = polygonP.Copy();
pointFrom = e.Location;
dragPolygon = true;
}
break;
case Operations.EdgeMove:
if(FindEdge(e.Location, out edgeP, out polygonP))
{
oldPolygon = polygonP.Copy();
pointFrom = e.Location;
dragEdge = true;
}
break;
case Operations.PolygonDelete:
if(FindPolygon(e.Location, out poly))
{
polygons.Remove(poly);
UpdateArea();
}
break;
case Operations.ElipseAdd:
S = new Point(e.Location.X, e.Location.Y);
R = new Point(e.Location.X, e.Location.Y);
elipseP = new myElipse(S, R);
elipses.Add(elipseP);
creatingElipse = true;
break;
case Operations.ElipseMove:
if(FindElipse(e.Location, out elipseP))
{
oldElipse = elipseP.Copy();
pointFrom = e.Location;
dragElipse = true;
}
break;
case Operations.ElipseSize:
if(FindElipse(e.Location, out elipseP))
{
oldElipse = elipseP.Copy();
creatingElipse = true;
}
break;
case Operations.ElipseDelete:
if(FindElipse(e.Location,out delEli))
{
elipses.Remove(delEli);
UpdateArea();
}
break;
}
}
else if(e.Button == MouseButtons.Right)
{
if (dragEdge || dragPolygon || dragVertex || startCreating) return;
if(FindVertex(e.Location, out vertexP, out polygonP))
{
ContextMenu cm = CreateMenuV();
cm.Show(pictureBox1, e.Location);
}
else if (FindEdge(e.Location, out edgeP, out polygonP))
{
ContextMenu cm = CreateMenu();
cm.Show(pictureBox1, e.Location);
}
}
pictureBox1.Refresh();
}