internal ViewerControl.MouseAction ImminentAction(MouseEventArgs e)
{
if (clickableThings == null)
{
return(null);
}
int i = 0;
while (i < clickableThings.GetLength(0))
{
ClickableThing clickableThing = clickableThings[i];
if (clickableThing.vertexLocation.originalIndex >= 0 && clickableThing.path.IsVisible(e.Location))
{
if (clickableThing.clickedWhich == ClickableThing.ClickedWhich.Segment)
{
return(new SegmentMouseAction(this, clickableThing.vertexLocation.originalIndex, e.Location));
}
return(new VertexMouseAction(this, clickableThing.vertexLocation.originalIndex));
}
else
{
i++;
}
}
return(null);
}
private void UpdateState(State state)
{
if (state.Equals(lastState))
{
return;
}
TracedScreenPoint[] path = GetUserRegion()
.GetPath(CoordinateSystemUtilities.GetBounds(csi, state.center, state.size),
state.center.zoom,
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 <ClickableThing> list2 = new List <ClickableThing>();
List <ClickableThing> list3 = new List <ClickableThing>();
for (int j = 0; j < count; j++)
{
ClickableThing clickableThing = new 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 = ClickableThing.ClickedWhich.Vertex;
clickableThing.pointIndex = j;
ClickableThing clickableThing2 = new 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 = ClickableThing.ClickedWhich.Segment;
clickableThing2.pointIndex = j;
}
list2.AddRange(list3);
clickableThings = list2.ToArray();
lastState = new State(state);
}
internal void Paint(PaintSpecification e, LatLonZoom center, Size size)
{
if (GetUserRegion() == null)
{
return;
}
State state;
state.center = center;
state.size = size;
state.valid = true;
UpdateState(state);
ClickableThing[] array = clickableThings;
for (int i = 0; i < array.Length; i++)
{
ClickableThing clickableThing = array[i];
e.Graphics.FillPath(segmentFillBrush, clickableThing.path);
}
}
