private void GenerateSamplePolygon()
{
//TODO:
//generate sample polygon
var pointsList = new List <MyPoint>
{
new MyPoint(626d, 57d),
new MyPoint(856d, 191d),
new MyPoint(744d, 301d),
new MyPoint(851d, 532d),
new MyPoint(460d, 502d),
new MyPoint(367d, 408d),
new MyPoint(427d, 149d)
};
MyPolygon polygon = new MyPolygon(pointsList.Last(), PolygonCanvas);
foreach (var point in pointsList)
{
polygon.AddVerticleAndDraw(point);
}
Polygons.Add(PolygonNumber, polygon);
polygon.Edges[0].relationEdge = polygon.Edges[3];
polygon.Edges[3].relationEdge = polygon.Edges[0];
polygon.Edges[0].relationType = RelationType.Perpendicular;
polygon.Edges[3].relationType = RelationType.Perpendicular;
polygon.ApplyRelationChanges(polygon.Edges[0]);
polygon.Edges[0].relationIcon = new RelationIcon(polygon.Edges[0], RelationType.Perpendicular, PolygonNumber, polygon, PolygonCanvas);
polygon.Edges[3].relationIcon = new RelationIcon(polygon.Edges[3], RelationType.Perpendicular, PolygonNumber, polygon, PolygonCanvas);
polygon.Edges[1].relationEdge = polygon.Edges[6];
polygon.Edges[6].relationEdge = polygon.Edges[1];
polygon.Edges[1].relationType = RelationType.Equal;
polygon.Edges[6].relationType = RelationType.Equal;
polygon.ApplyRelationChanges(polygon.Edges[1]);
polygon.Edges[1].relationIcon = new RelationIcon(polygon.Edges[1], RelationType.Equal, PolygonNumber, polygon, PolygonCanvas);
polygon.Edges[6].relationIcon = new RelationIcon(polygon.Edges[6], RelationType.Equal, PolygonNumber, polygon, PolygonCanvas);
polygon.Edges[2].relationEdge = polygon.Edges[5];
polygon.Edges[5].relationEdge = polygon.Edges[2];
polygon.Edges[2].relationType = RelationType.Perpendicular;
polygon.Edges[5].relationType = RelationType.Perpendicular;
polygon.ApplyRelationChanges(polygon.Edges[2]);
polygon.Edges[2].relationIcon = new RelationIcon(polygon.Edges[2], RelationType.Perpendicular, PolygonNumber, polygon, PolygonCanvas);
polygon.Edges[5].relationIcon = new RelationIcon(polygon.Edges[5], RelationType.Perpendicular, PolygonNumber, polygon, PolygonCanvas);
PolygonNumber++;
}
private void Canvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Canvas currentCanvas = sender as Canvas;
Point CurrentMousePosition = e.GetPosition(currentCanvas);
MyPoint p = new MyPoint(CurrentMousePosition.X, CurrentMousePosition.Y);
switch (ProgramMode)
{
case Mode.Pointer:
{
foreach (var pol in Polygons)
{
foreach (var edge in pol.Value.Edges)
{
//check if point hit
if (MyPoint.AreNear(edge.first, CurrentMousePosition, Globals.VerticleClickRadiusSize) == true)
{
CurrentDragObjectType = DragObjectType.Verticle;
IsDraggingOn = true;
DragPolygonId = pol.Key;
DragObject = edge.first;
return;
}
}
foreach (var edge in pol.Value.Edges)
{
//check if edge hit
if (edge.IsNearPoint(CurrentMousePosition, Globals.LineClickDistance) == true)
{
CurrentDragObjectType = DragObjectType.Edge;
IsDraggingOn = true;
DragPolygonId = pol.Key;
DragObject = edge;
DragStartingPoint = CurrentMousePosition;
return;
}
}
//check if inside Polygon
if (pol.Value.IsPointInside(CurrentMousePosition) == true)
{
CurrentDragObjectType = DragObjectType.Polygon;
IsDraggingOn = true;
DragPolygonId = pol.Key;
DragObject = pol.Value;
DragStartingPoint = CurrentMousePosition;
return;
}
}
CurrentDragObjectType = DragObjectType.Nothing;
}
break;
case Mode.Draw:
{
if (PolygonDrawing == false)
{
MyPolygon polygon = new MyPolygon(p, currentCanvas);
CurrentlyDrawingPolygon = polygon;
PolygonDrawing = true;
CurrentLine?.DeleteDrawing();
CurrentLine = Draw.SimpleEdge(CurrentMousePosition, CurrentMousePosition, currentCanvas);
}
else
{
var DrawResult = CurrentlyDrawingPolygon.AddVerticleAndDraw(p);
switch (DrawResult)
{
case PolygonDrawResult.DrawFinished:
CurrentLine.SetFirstPoint(CurrentMousePosition);
Polygons.Add(PolygonNumber, CurrentlyDrawingPolygon);
CurrentLine.DeleteDrawing();
PolygonDrawing = false;
CurrentlyDrawingPolygon = null;
PolygonNumber++;
break;
case PolygonDrawResult.NotEnoughEdges:
MessageBox.Show("Not enough edges to finish polygon", Globals.WindowName, MessageBoxButton.OK, MessageBoxImage.Warning);
break;
case PolygonDrawResult.DrawInProgress:
CurrentLine.SetFirstPoint(CurrentMousePosition);
break;
default:
break;
}
}
}
break;
case Mode.AddMiddleVerticle:
{
foreach (var pol in Polygons)
{
foreach (var edge in pol.Value.Edges)
{
//check if edge hit
if (edge.IsNearPoint(CurrentMousePosition, Globals.LineClickDistance) == true)
{
pol.Value.AddMiddleVerticleOnEdge(edge);
return;
}
}
}
}
break;
case Mode.AddEqualRelation:
case Mode.AddPerpendicularRelation:
{
RelationType relationType;
if (ProgramMode == Mode.AddEqualRelation)
{
relationType = RelationType.Equal;
}
else
{
relationType = RelationType.Perpendicular;
}
if (RelationPolygonId == -1)
{
foreach (var pol in Polygons)
{
foreach (var edge in pol.Value.Edges)
{
//check if edge hit
if (edge.relationType == RelationType.None)
{
if (edge.IsNearPoint(CurrentMousePosition, Globals.LineClickDistance) == true)
{
edge.SelectEdge();
RelationSelectedEdge = edge;
RelationPolygonId = pol.Key;
return;
}
}
}
}
}
else
{
foreach (var edge in Polygons[RelationPolygonId].Edges)
{
//check if edge hit
if (edge.relationType == RelationType.None)
{
if (edge.IsNearPoint(CurrentMousePosition, Globals.LineClickDistance) == true)
{
if (Object.ReferenceEquals(edge, RelationSelectedEdge) == false)
{
edge.relationEdge = RelationSelectedEdge;
RelationSelectedEdge.relationEdge = edge;
edge.relationType = relationType;
RelationSelectedEdge.relationType = relationType;
var result = Polygons[RelationPolygonId].ApplyRelationChanges(edge);
if (result == true)
{
edge.relationIcon = new RelationIcon(edge, relationType, RelationPolygonId, Polygons[RelationPolygonId], currentCanvas);
RelationSelectedEdge.relationIcon = new RelationIcon(RelationSelectedEdge, relationType, RelationPolygonId, Polygons[RelationPolygonId], currentCanvas);
}
else
{
edge.relationEdge = null;
RelationSelectedEdge.relationEdge = null;
edge.relationType = RelationType.None;
RelationSelectedEdge.relationType = RelationType.None;
}
}
RelationSelectedEdge.UnselectEdge();
RelationSelectedEdge = null;
RelationPolygonId = -1;
return;
}
}
}
}
}
break;
case Mode.DeleteVerticleOrRelation:
{
foreach (var pol in Polygons)
{
foreach (var edge in pol.Value.Edges)
{
//check if point hit
if (MyPoint.AreNear(edge.first, CurrentMousePosition, Globals.VerticleClickRadiusSize) == true)
{
if (Polygons[pol.Key].DeleteVerticle(edge.first) == true)
{
Polygons[pol.Key] = null;
Polygons.Remove(pol.Key);
}
return;
}
}
foreach (var edge in pol.Value.Edges)
{
//check if edge hit
if (edge.IsNearPoint(CurrentMousePosition, Globals.LineClickDistance) == true)
{
edge.DeleteRelation();
return;
}
}
}
}
break;
default:
break;
}
return;
}