/// <summary>
/// Builds the marker polyline.
/// </summary>
private void ComputeMarker()
{
_markerVertexes.SetValue(1, new OCGraphic2d_Vertex(-_halfWidth, -_halfHeight));
_markerVertexes.SetValue(2, new OCGraphic2d_Vertex(-_halfWidth, _halfHeight));
_markerVertexes.SetValue(3, new OCGraphic2d_Vertex(_halfWidth, _halfHeight));
_markerVertexes.SetValue(4, new OCGraphic2d_Vertex(_halfWidth, -_halfHeight));
_markerVertexes.SetValue(5, new OCGraphic2d_Vertex(-_halfWidth, -_halfHeight));
_marker = new OCGraphic2d_PolylineMarker(this, _xPos, _yPos, _markerVertexes);
}
/// <summary>
/// The endpoints of the line can be set to other coordinates.
/// </summary>
public void SetEndpoints(Double xPos, Double yPos, Double xEndPos, Double yEndPos)
{
OCAIS2D_InteractiveContext context = GetContext();
// Create the 2 markers for the end of the segment
_startMarker = new PolylineMarker2D(context, xPos, yPos, GeometryConstants.MarkerWidth, GeometryConstants.MarkerWidth);
_endMarker = new PolylineMarker2D(context, xEndPos, yEndPos, GeometryConstants.MarkerWidth, GeometryConstants.MarkerWidth);
// Store the line attributes
_array1OfVertex.SetValue(1, new OCGraphic2d_Vertex(xPos, yPos));
_array1OfVertex.SetValue(2, new OCGraphic2d_Vertex(xEndPos, yEndPos));
BuildPolyline();
}
/// <summary>
/// Used to access the rectangle vertexes. The array passed as parameter is filled with the vertexes.
/// </summary>
/// <param name="vertexArray"></param>
public void GetVertexes(OCGraphic2d_Array1OfVertex vertexArray)
{
if (_array1OfVertex.Length() == vertexArray.Length())
{
//TODO: the loop condition is not <= !?
for (int i = 1; i < _array1OfVertex.Length(); i++)
{
vertexArray.SetValue(i, new OCGraphic2d_Vertex(_array1OfVertex.Value(i).X(), _array1OfVertex.Value(i).Y()));
}
}
}
/// <summary>
/// Used to retrieve the vertexes of the line.
/// </summary>
/// <param name="vertexArray"></param>
public void GetVertexes(OCGraphic2d_Array1OfVertex vertexArray)
{
int arrLen = _array1OfVertex.Length();
int vertexLen = vertexArray.Length();
if (arrLen == vertexLen)
{
for (int i = 1; i <= arrLen; i++)
{
vertexArray.SetValue(i, new OCGraphic2d_Vertex(_array1OfVertex.Value(i).X(), _array1OfVertex.Value(i).Y()));
}
}
}
/// <summary>
/// Calculates the rectangle vertexes. It also builds the vertex markers.
/// </summary>
private void BuildPolyline()
{
if (_polyline != null)
{
this.RemovePrimitive(_polyline);
}
Double BottomLeftX = _leftBottomX;
Double BottomLeftY = _leftBottomY;
Double BottomRightX = _leftBottomX + (Math.Cos(_angle) * (_rightBottomX - _leftBottomX));
Double BottomRightY = _leftBottomY + (Math.Sin(_angle) * (_rightBottomX - _leftBottomX));
Double TopRightX = _leftBottomX + (Math.Cos(_angle) * (_rightBottomX - _leftBottomX)) + (-Math.Sin(_angle) * (_leftTopY - _leftBottomY));
Double TopRightY = _leftBottomY + (Math.Sin(_angle) * (_rightBottomX - _leftBottomX)) + (Math.Cos(_angle) * (_leftTopY - _leftBottomY));
Double TopLeftX = _leftBottomX + (-Math.Sin(_angle) * (_leftTopY - _leftBottomY));
Double TopLeftY = _leftBottomY + (Math.Cos(_angle) * (_leftTopY - _leftBottomY));
_array1OfVertex.SetValue(1, new OCGraphic2d_Vertex(BottomLeftX, BottomLeftY));
_array1OfVertex.SetValue(2, new OCGraphic2d_Vertex(TopLeftX, TopLeftY));
_array1OfVertex.SetValue(3, new OCGraphic2d_Vertex(TopRightX, TopRightY));
_array1OfVertex.SetValue(4, new OCGraphic2d_Vertex(BottomRightX, BottomRightY));
_array1OfVertex.SetValue(5, new OCGraphic2d_Vertex(BottomLeftX, BottomLeftY));
// Add the polyline in the representation, for all modes
_polyline = new OCGraphic2d_Polyline(this, _array1OfVertex);
_polyline.SetColorIndex(1);
_polyline.SetWidthIndex(1);
_polyline.SetTypeIndex(1);
// Position the markers
_leftBottomMarker.SetPosition(BottomLeftX, BottomLeftY);
_leftTopMarker.SetPosition(TopLeftX, TopLeftY);
_rightTopMarker.SetPosition(TopRightX, TopRightY);
_rightBottomMarker.SetPosition(BottomRightX, BottomLeftY);
}
