private Matrix4?GetTransformMatrix(Viewport2D viewport, ViewportEvent e)
{
if (_currentTool == null)
{
return(null);
}
return(State.Handle == ResizeHandle.Center
? _tools.OfType <ResizeTool>().First().GetTransformationMatrix(viewport, e, State, Document, _widgets)
: _currentTool.GetTransformationMatrix(viewport, e, State, Document, _widgets));
}
private Matrix4?GetTransformMatrix(Viewport2D viewport, ViewportEvent e)
{
if (_currentTool == null)
{
return(null);
}
Matrix4?ret = null;
if (State.Handle == ResizeHandle.Center)
{
ret = _tools.OfType <MoveTool>().First().GetTransformationMatrix(viewport, e, State, Document, _widgets);
}
else
{
ret = _currentTool.GetTransformationMatrix(viewport, e, State, Document, _widgets);
}
return(ret);
}