/// <summary>
/// Handles the Mouse-Up situation.
/// </summary>
/// <param name="e">The GeoMouseArcs class describes the mouse condition along with geographic coordinates.</param>
protected override void OnMouseUp(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
if (_featureSet == null || _featureSet.IsDisposed)
{
return;
}
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
{
// Add the current point to the featureset
if (_featureSet.FeatureType == FeatureType.Point)
{
// Begin snapping changes
Coordinate snappedCoord = _coordinateDialog.Coordinate;
ComputeSnappedLocation(e, ref snappedCoord);
// End snapping changes
Topology.Point pt = new Topology.Point(snappedCoord); // Snapping changes
Feature f = new Feature(pt);
_featureSet.Features.Add(f);
_featureSet.ShapeIndices = null; // Reset shape indices
_featureSet.UpdateExtent();
_layer.AssignFastDrawnStates();
_featureSet.InvalidateVertices();
return;
}
if (e.Button == MouseButtons.Right)
{
_context.Show((Control)Map, e.Location);
}
else
{
if (_coordinates == null)
{
_coordinates = new List <Coordinate>();
}
// Begin snapping changes
Coordinate snappedCoord = e.GeographicLocation;
ComputeSnappedLocation(e, ref snappedCoord);
// End snapping changes
_coordinates.Add(snappedCoord); // Snapping changes
if (_coordinates.Count > 1)
{
Point p1 = Map.ProjToPixel(_coordinates[_coordinates.Count - 1]);
Point p2 = Map.ProjToPixel(_coordinates[_coordinates.Count - 2]);
Rectangle invalid = SymbologyGlobal.GetRectangle(p1, p2);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
}
}
base.OnMouseUp(e);
}
/// <summary>
/// Returns true if the element intersect the rectangle from the parent class
/// </summary>
/// <param name="rect">The rectangle to test must be in the virtual modeling coordinant plane</param>
/// <returns></returns>
public override bool ElementInRectangle(Rectangle rect)
{
IGeometry rectanglePoly;
if ((rect.Height == 0) && (rect.Width == 0))
{
rectanglePoly = new Topology.Point(rect.X, rect.Y);
}
else if (rect.Width == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoly = new LineString(rectanglePoints);
}
else if (rect.Height == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoly = new LineString(rectanglePoints);
}
else
{
Topology.Point[] rectanglePoints = new Topology.Point[5];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoints[2] = new Topology.Point(rect.X + rect.Width, rect.Y + rect.Height);
rectanglePoints[3] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoints[4] = new Topology.Point(rect.X, rect.Y);
rectanglePoly = new Polygon(new LinearRing(rectanglePoints));
}
if (Shape == ModelShape.Arrow)
{
Topology.Point[] arrowPoints = new Topology.Point[_arrowPath.PointCount];
for (int i = 0; i < _arrowPath.PointCount; i++)
{
arrowPoints[i] = new Topology.Point(_arrowPath.PathPoints[i].X + Location.X, _arrowPath.PathPoints[i].Y + Location.Y);
}
LineString arrowLine = new LineString(arrowPoints);
return(arrowLine.Intersects(rectanglePoly));
}
return(false);
}
/// <summary>
/// Handles the Mouse-Up situation.
/// </summary>
/// <param name="e">The GeoMouseArcs class describes the mouse condition along with geographic coordinates.</param>
protected override void OnMouseUp(GeoMouseArgs e)
{
if (_standBy) { return; }
if (_featureSet == null || _featureSet.IsDisposed) { return; }
// Add the current point to the featureset
if (_featureSet.FeatureType == FeatureType.Point)
{
// Begin snapping changes
Coordinate snappedCoord = _coordinateDialog.Coordinate;
ComputeSnappedLocation(e, ref snappedCoord);
// End snapping changes
Topology.Point pt = new Topology.Point(snappedCoord); // Snapping changes
Feature f = new Feature(pt);
_featureSet.Features.Add(f);
_featureSet.UpdateExtent();
_featureSet.InvalidateVertices();
return;
}
if (e.Button == MouseButtons.Right)
{
_context.Show((Control)Map, e.Location);
}
else
{
if (_coordinates == null) { _coordinates = new List<Coordinate>(); }
// Begin snapping changes
Coordinate snappedCoord = e.GeographicLocation;
ComputeSnappedLocation(e, ref snappedCoord);
// End snapping changes
_coordinates.Add(snappedCoord); // Snapping changes
if (_coordinates.Count > 1)
{
Point p1 = Map.ProjToPixel(_coordinates[_coordinates.Count - 1]);
Point p2 = Map.ProjToPixel(_coordinates[_coordinates.Count - 2]);
Rectangle invalid = SymbologyGlobal.GetRectangle(p1, p2);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
}
base.OnMouseUp(e);
}
/// <summary>
/// Returns true if the element intersect the rectangle from the parent class
/// </summary>
/// <param name="rect">The rectangle to test must be in the virtual modeling coordinant plane</param>
/// <returns></returns>
public override bool ElementInRectangle(Rectangle rect)
{
IGeometry rectanglePoly;
if ((rect.Height == 0) && (rect.Width == 0))
{
rectanglePoly = new Topology.Point(rect.X, rect.Y);
}
else if (rect.Width == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoly = new LineString(rectanglePoints);
}
else if (rect.Height == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoly = new LineString(rectanglePoints);
}
else
{
Topology.Point[] rectanglePoints = new Topology.Point[5];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoints[2] = new Topology.Point(rect.X + rect.Width, rect.Y + rect.Height);
rectanglePoints[3] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoints[4] = new Topology.Point(rect.X, rect.Y);
rectanglePoly = new Polygon(new LinearRing(rectanglePoints));
}
if (Shape == ModelShape.Arrow)
{
Topology.Point[] arrowPoints = new Topology.Point[_arrowPath.PointCount];
for (int i = 0; i < _arrowPath.PointCount; i++)
{
arrowPoints[i] = new Topology.Point(_arrowPath.PathPoints[i].X + Location.X, _arrowPath.PathPoints[i].Y + Location.Y);
}
LineString arrowLine = new LineString(arrowPoints);
return (arrowLine.Intersects(rectanglePoly));
}
return false;
}
/// <summary>
/// Returns true if the element intersect the rectangle from the parent class
/// </summary>
/// <param name="rect">The rectangle to test must be in the virtual modeling coordinant plane</param>
/// <returns></returns>
public virtual bool ElementInRectangle(Rectangle rect)
{
IGeometry rectanglePoly;
if ((rect.Height == 0) && (rect.Width == 0))
{
rectanglePoly = new Topology.Point(rect.X, rect.Y);
}
else if (rect.Width == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoly = new LineString(rectanglePoints);
}
else if (rect.Height == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoly = new LineString(rectanglePoints);
}
else
{
Topology.Point[] rectanglePoints = new Topology.Point[5];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoints[2] = new Topology.Point(rect.X + rect.Width, rect.Y + rect.Height);
rectanglePoints[3] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoints[4] = new Topology.Point(rect.X, rect.Y);
rectanglePoly = new Polygon(new LinearRing(rectanglePoints));
}
switch (Shape)
{
case ModelShape.Rectangle:
return(rect.IntersectsWith(Rectangle));
case ModelShape.Ellipse:
int b = Height / 2;
int a = Width / 2;
Topology.Point[] ellipsePoints = new Topology.Point[(4 * a) + 1];
for (int x = -a; x <= a; x++)
{
if (x == 0)
{
ellipsePoints[x + a] = new Topology.Point(Location.X + x + a, Location.Y);
ellipsePoints[3 * a - x] = new Topology.Point(Location.X + x + a, Location.Y + Height);
}
else
{
ellipsePoints[x + a] = new Topology.Point(Location.X + x + a, Location.Y + b - Math.Sqrt(Math.Abs(((b * b * x * x) / (a * a)) - (b * b))));
ellipsePoints[3 * a - x] = new Topology.Point(Location.X + x + a, Location.Y + b + Math.Sqrt(Math.Abs(((b * b * x * x) / (a * a)) - (b * b))));
}
}
Polygon ellipsePoly = new Polygon(new LinearRing(ellipsePoints));
return(ellipsePoly.Intersects(rectanglePoly));
case ModelShape.Triangle:
Topology.Point[] trianglePoints = new Topology.Point[4];
trianglePoints[0] = new Topology.Point(Location.X, Location.Y);
trianglePoints[1] = new Topology.Point(Location.X, Location.Y + Height);
trianglePoints[2] = new Topology.Point(Location.X + Width - 5, Location.Y + ((Height - 5) / 2));
trianglePoints[3] = new Topology.Point(Location.X, Location.Y);
Polygon trianglePoly = new Polygon(new LinearRing(trianglePoints));
return(trianglePoly.Intersects(rectanglePoly));
default:
return(false);
}
}
/// <summary>
/// Returns true if the element intersect the rectangle from the parent class
/// </summary>
/// <param name="rect">The rectangle to test must be in the virtual modeling coordinant plane</param>
/// <returns></returns>
public virtual bool ElementInRectangle(Rectangle rect)
{
IGeometry rectanglePoly;
if ((rect.Height == 0) && (rect.Width == 0))
{
rectanglePoly = new Topology.Point(rect.X, rect.Y);
}
else if (rect.Width == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoly = new LineString(rectanglePoints);
}
else if (rect.Height == 0)
{
Topology.Point[] rectanglePoints = new Topology.Point[2];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoly = new LineString(rectanglePoints);
}
else
{
Topology.Point[] rectanglePoints = new Topology.Point[5];
rectanglePoints[0] = new Topology.Point(rect.X, rect.Y);
rectanglePoints[1] = new Topology.Point(rect.X, rect.Y + rect.Height);
rectanglePoints[2] = new Topology.Point(rect.X + rect.Width, rect.Y + rect.Height);
rectanglePoints[3] = new Topology.Point(rect.X + rect.Width, rect.Y);
rectanglePoints[4] = new Topology.Point(rect.X, rect.Y);
rectanglePoly = new Polygon(new LinearRing(rectanglePoints));
}
switch (Shape)
{
case ModelShape.Rectangle:
return (rect.IntersectsWith(Rectangle));
case ModelShape.Ellipse:
int b = Height / 2;
int a = Width / 2;
Topology.Point[] ellipsePoints = new Topology.Point[(4 * a) + 1];
for (int x = -a; x <= a; x++)
{
if (x == 0)
{
ellipsePoints[x + a] = new Topology.Point(Location.X + x + a, Location.Y);
ellipsePoints[3 * a - x] = new Topology.Point(Location.X + x + a, Location.Y + Height);
}
else
{
ellipsePoints[x + a] = new Topology.Point(Location.X + x + a, Location.Y + b - Math.Sqrt(Math.Abs(((b * b * x * x) / (a * a)) - (b * b))));
ellipsePoints[3 * a - x] = new Topology.Point(Location.X + x + a, Location.Y + b + Math.Sqrt(Math.Abs(((b * b * x * x) / (a * a)) - (b * b))));
}
}
Polygon ellipsePoly = new Polygon(new LinearRing(ellipsePoints));
return (ellipsePoly.Intersects(rectanglePoly));
case ModelShape.Triangle:
Topology.Point[] trianglePoints = new Topology.Point[4];
trianglePoints[0] = new Topology.Point(Location.X, Location.Y);
trianglePoints[1] = new Topology.Point(Location.X, Location.Y + Height);
trianglePoints[2] = new Topology.Point(Location.X + Width - 5, Location.Y + ((Height - 5) / 2));
trianglePoints[3] = new Topology.Point(Location.X, Location.Y);
Polygon trianglePoly = new Polygon(new LinearRing(trianglePoints));
return (trianglePoly.Intersects(rectanglePoly));
default:
return false;
}
}
