//--------------------------------------------------------------------------------------------------
bool DoExport(string filename, IDrawingExporter exporter)
{
try
{
var projection = new Ax3(_Viewport.EyePoint, _Viewport.GetViewDirection().Reversed(), _Viewport.GetRightDirection());
var hlrEdgeTypes = HlrEdgeTypes.None;
if (Settings.VisibleOutline)
{
hlrEdgeTypes |= HlrEdgeTypes.VisibleSharp;
hlrEdgeTypes |= HlrEdgeTypes.VisibleOutline;
}
if (Settings.VisibleSmooth)
{
hlrEdgeTypes |= HlrEdgeTypes.VisibleSmooth;
}
if (Settings.VisibleSewn)
{
hlrEdgeTypes |= HlrEdgeTypes.VisibleSewn;
}
if (Settings.HiddenOutline)
{
hlrEdgeTypes |= HlrEdgeTypes.HiddenSharp;
hlrEdgeTypes |= HlrEdgeTypes.HiddenOutline;
}
if (Settings.HiddenSmooth)
{
hlrEdgeTypes |= HlrEdgeTypes.HiddenSmooth;
}
if (Settings.HiddenSewn)
{
hlrEdgeTypes |= HlrEdgeTypes.HiddenSewn;
}
var source = new TopoDSBrepSource(InteractiveContext.Current.WorkspaceController.VisualObjects.GetVisibleBReps().ToArray());
var hlrBrepDrawing = HlrDrawing.Create(projection, hlrEdgeTypes, source);
hlrBrepDrawing.UseTriangulation = Settings.UseTriangulation;
var drawing = new Drawing();
drawing.Add(hlrBrepDrawing);
return(exporter.DoExport(filename, drawing));
}
catch (Exception e)
{
Messages.Exception("Exception while exporting line drawing from viewport.", e);
return(false);
}
}
//--------------------------------------------------------------------------------------------------
#region Helper
MemoryStream RunExporter(bool useTriangulation, Ax3 projection, DxfVersion version, DxfFlags flags, params Body[] bodies)
{
var hlrEdgeTypes = HlrEdgeTypes.VisibleSharp | HlrEdgeTypes.VisibleOutline | HlrEdgeTypes.VisibleSmooth
| HlrEdgeTypes.HiddenSharp | HlrEdgeTypes.HiddenOutline;
IBrepSource[] sources = bodies.Select(body => (IBrepSource) new BodyBrepSource(body)).ToArray();
var hlrBrepDrawing = HlrDrawing.Create(projection, hlrEdgeTypes, sources);
hlrBrepDrawing.UseTriangulation = useTriangulation;
var drawing = new Drawing();
drawing.Add(hlrBrepDrawing);
return(DxfDrawingExporter.Export(drawing, version, flags));
}