public void FinishPolygonBuilding(double x, double y)
{
RollbackDoubleClickEffect();
if (cachedVertices.Count <= 2)
{
DeleteCurrentlyBuildedPolygon();
return;
}
// last edge
var lastEdge = new Line(cachedVertices.Last(), cachedVertices.First());
cachedEdges.Add(lastEdge);
drawingModule.BeginDrawingTransaction();
drawingModule.DrawPolygonEdges(cachedEdges.Last());
// finally create the polygon
var newPolygon = new Polygon(cachedVertices.ConvertAll(v => v), cachedEdges.ConvertAll(edge => edge));
Polygons.Add(newPolygon);
drawingModule.FillPolygon(newPolygon);
drawingModule.FinishDrawingTransaction();
// clear cache
cachedVertices.Clear();
cachedEdges.Clear();
movingVerticeState.Clear();
}
public void DeletePolygon(Polygon p)
{
#region checkArgs
if (p == null)
{
return;
}
#endregion
if (Polygons.Remove(p))
{
drawingModule.BeginDrawingTransaction();
drawingModule.ClearPolygonVertices(p.GetVerticesList().ToArray());
drawingModule.ClearPolygonEdges(p.GetEdgesList().ToArray());
drawingModule.ClearPolygonFilling(p);
Redraw();
drawingModule.FinishDrawingTransaction();
}
deletingPolygonState.Clear();
}