internal ViewerControl.MouseAction ImminentAction(MouseEventArgs e)
{
if (this.clickableThings == null)
{
return(null);
}
int i = 0;
while (i < this.clickableThings.GetLength(0))
{
UserRegionViewController.ClickableThing clickableThing = this.clickableThings[i];
if (clickableThing.vertexLocation.originalIndex >= 0 && clickableThing.path.IsVisible(e.Location))
{
if (clickableThing.clickedWhich == UserRegionViewController.ClickableThing.ClickedWhich.Segment)
{
return(new UserRegionViewController.SegmentMouseAction(this, clickableThing.vertexLocation.originalIndex, e.Location));
}
return(new UserRegionViewController.VertexMouseAction(this, clickableThing.vertexLocation.originalIndex));
}
else
{
i++;
}
}
return(null);
}
private void UpdateState(UserRegionViewController.State state)
{
if (state.Equals(this.lastState))
{
return;
}
TracedScreenPoint[] path = this.GetUserRegion().GetPath(CoordinateSystemUtilities.GetBounds(this.csi, state.center, state.size), state.center.zoom, this.csi);
List <TracedScreenPoint> list = new List <TracedScreenPoint>();
int length = path.GetLength(0);
for (int i = 0; i < length; i++)
{
D.Assert(path[i].originalIndex >= 0);
int num = (i + length - 1) % length;
if (!(path[num].pointf == path[i].pointf))
{
list.Add(path[i]);
}
}
list.ToArray();
int count = list.Count;
List <UserRegionViewController.ClickableThing> list2 = new List <UserRegionViewController.ClickableThing>();
List <UserRegionViewController.ClickableThing> list3 = new List <UserRegionViewController.ClickableThing>();
for (int j = 0; j < count; j++)
{
UserRegionViewController.ClickableThing clickableThing = new UserRegionViewController.ClickableThing();
list2.Add(clickableThing);
clickableThing.vertexLocation = list[j];
clickableThing.path = new GraphicsPath();
clickableThing.path.AddEllipse(list[j].pointf.X - 4f, list[j].pointf.Y - 4f, 8f, 8f);
clickableThing.clickedWhich = UserRegionViewController.ClickableThing.ClickedWhich.Vertex;
clickableThing.pointIndex = j;
UserRegionViewController.ClickableThing clickableThing2 = new UserRegionViewController.ClickableThing();
list3.Add(clickableThing2);
clickableThing2.vertexLocation = list[j];
clickableThing2.path = new GraphicsPath();
clickableThing2.path.AddLine(list[j].pointf, list[(j + 1) % count].pointf);
clickableThing2.path.Widen(new Pen(Color.Black, 4f));
clickableThing2.clickedWhich = UserRegionViewController.ClickableThing.ClickedWhich.Segment;
clickableThing2.pointIndex = j;
}
list2.AddRange(list3);
this.clickableThings = list2.ToArray();
this.lastState = new UserRegionViewController.State(state);
}
internal void Paint(PaintSpecification e, LatLonZoom center, Size size)
{
if (this.GetUserRegion() == null)
{
return;
}
UserRegionViewController.State state;
state.center = center;
state.size = size;
state.valid = true;
this.UpdateState(state);
UserRegionViewController.ClickableThing[] array = this.clickableThings;
for (int i = 0; i < array.Length; i++)
{
UserRegionViewController.ClickableThing clickableThing = array[i];
e.Graphics.FillPath(this.segmentFillBrush, clickableThing.path);
}
}
private void UpdateState(UserRegionViewController.State state)
{
if (state.Equals(this.lastState))
{
return;
}
TracedScreenPoint[] path = this.GetUserRegion().GetPath(CoordinateSystemUtilities.GetBounds(this.csi, state.center, state.size), state.center.zoom, this.csi);
List<TracedScreenPoint> list = new List<TracedScreenPoint>();
int length = path.GetLength(0);
for (int i = 0; i < length; i++)
{
D.Assert(path[i].originalIndex >= 0);
int num = (i + length - 1) % length;
if (!(path[num].pointf == path[i].pointf))
{
list.Add(path[i]);
}
}
list.ToArray();
int count = list.Count;
List<UserRegionViewController.ClickableThing> list2 = new List<UserRegionViewController.ClickableThing>();
List<UserRegionViewController.ClickableThing> list3 = new List<UserRegionViewController.ClickableThing>();
for (int j = 0; j < count; j++)
{
UserRegionViewController.ClickableThing clickableThing = new UserRegionViewController.ClickableThing();
list2.Add(clickableThing);
clickableThing.vertexLocation = list[j];
clickableThing.path = new GraphicsPath();
clickableThing.path.AddEllipse(list[j].pointf.X - 4f, list[j].pointf.Y - 4f, 8f, 8f);
clickableThing.clickedWhich = UserRegionViewController.ClickableThing.ClickedWhich.Vertex;
clickableThing.pointIndex = j;
UserRegionViewController.ClickableThing clickableThing2 = new UserRegionViewController.ClickableThing();
list3.Add(clickableThing2);
clickableThing2.vertexLocation = list[j];
clickableThing2.path = new GraphicsPath();
clickableThing2.path.AddLine(list[j].pointf, list[(j + 1) % count].pointf);
clickableThing2.path.Widen(new Pen(Color.Black, 4f));
clickableThing2.clickedWhich = UserRegionViewController.ClickableThing.ClickedWhich.Segment;
clickableThing2.pointIndex = j;
}
list2.AddRange(list3);
this.clickableThings = list2.ToArray();
this.lastState = new UserRegionViewController.State(state);
}