Draft: Updates related to the PlaneGui class (step 2)

Related issue:
#5603.

Additionally:
Fixed the issue where the texts of Arch_Space objects were not exported to DXF.

src/Mod/Draft/draftfunctions/dxf.py

@@ -77,8 +77,8 @@ def get_dxf(obj, direction=None):
 
     if direction and isinstance(direction, App.Vector):
         if direction != App.Vector(0, 0, 0):
-            plane = WorkingPlane.Plane()
-            plane.alignToPointAndAxis(App.Vector(0, 0, 0), direction)
+            plane = WorkingPlane.PlaneBase()
+            plane.align_to_point_and_axis(App.Vector(0, 0, 0), direction)
 
     if utils.get_type(obj) in ("Dimension", "LinearDimension"):
         p1 = _get_proj(obj.Start, plane=plane)

src/Mod/Draft/draftfunctions/mirror.py

@@ -33,9 +33,10 @@ It just creates a `Part::Mirroring` object, and sets the appropriate
 ## \addtogroup draftfunctions
 # @{
 import FreeCAD as App
-import draftutils.utils as utils
-import draftutils.gui_utils as gui_utils
+import WorkingPlane
 
+from draftutils import gui_utils
+from draftutils import utils
 from draftutils.messages import _err
 from draftutils.translate import translate
 
@@ -48,14 +49,7 @@ def mirror(objlist, p1, p2):
 
     It creates a `Part::Mirroring` object from the given `objlist` using
     a plane that is defined by the two given points `p1` and `p2`,
-    and either
-
-    - the Draft working plane normal, or
-    - the negative normal provided by the camera direction
-      if the working plane normal does not exist and the graphical interface
-      is available.
-
-    If neither of these two is available, it uses as normal the +Z vector.
+    and the Draft working plane normal.
 
     Parameters
     ----------
@@ -67,7 +61,7 @@ def mirror(objlist, p1, p2):
         of the resulting object.
 
     p2: Base::Vector3
-        Point 1 of the mirror plane.
+        Point 2 of the mirror plane.
 
     Returns
     -------
@@ -97,13 +91,7 @@ def mirror(objlist, p1, p2):
     if not isinstance(objlist, list):
         objlist = [objlist]
 
-    if hasattr(App, "DraftWorkingPlane"):
-        norm = App.DraftWorkingPlane.getNormal()
-    elif App.GuiUp:
-        norm = Gui.ActiveDocument.ActiveView.getViewDirection().negative()
-    else:
-        norm = App.Vector(0, 0, 1)
-
+    norm = WorkingPlane.get_working_plane(update=False).axis
     pnorm = p2.sub(p1).cross(norm).normalize()
 
     result = []

src/Mod/Draft/draftfunctions/svg.py

@@ -396,7 +396,7 @@ def get_svg(obj,
 
     direction: Base::Vector3, optional
         It defaults to `None`.
-        It is an arbitrary projection vector or a `WorkingPlane.Plane`
+        It is an arbitrary projection vector or a `WorkingPlane.PlaneBase`
         instance.
 
     linestyle: optional
@@ -462,13 +462,13 @@ def get_svg(obj,
     if direction:
         if isinstance(direction, App.Vector):
             if direction != App.Vector(0, 0, 0):
-                plane = WorkingPlane.plane()
-                plane.alignToPointAndAxis_SVG(App.Vector(0, 0, 0),
-                                              direction.negative().negative(),
-                                              0)
+                plane = WorkingPlane.PlaneBase()
+                plane.align_to_point_and_axis_svg(App.Vector(0, 0, 0),
+                                                  direction.negative().negative(),
+                                                  0)
             else:
                 raise ValueError("'direction' cannot be: Vector(0, 0, 0)")
-        elif isinstance(direction, WorkingPlane.plane):
+        elif isinstance(direction, WorkingPlane.PlaneBase):
             plane = direction
 
     stroke = "#000000"

src/Mod/Draft/draftfunctions/svgshapes.py

@@ -32,6 +32,7 @@ import lazy_loader.lazy_loader as lz
 
 import FreeCAD as App
 import DraftVecUtils
+import WorkingPlane
 import draftutils.utils as utils
 
 from draftutils.messages import _msg, _wrn
@@ -58,8 +59,8 @@ def get_proj(vec, plane=None):
     vec: Base::Vector3
         An arbitrary vector that will be projected on the U and V directions.
 
-    plane: WorkingPlane.Plane
-        An object of type `WorkingPlane`.
+    plane: WorkingPlane.PlaneBase
+        Working plane.
     """
     if not plane:
         return vec
@@ -124,13 +125,10 @@ def _get_path_circ_ellipse(plane, edge, verts, edata,
                            iscircle, isellipse,
                            fill, stroke, linewidth, lstyle):
     """Get the edge data from a path that is a circle or ellipse."""
-    if hasattr(App, "DraftWorkingPlane"):
-        drawing_plane_normal = App.DraftWorkingPlane.axis
-    else:
-        drawing_plane_normal = App.Vector(0, 0, 1)
-
     if plane:
         drawing_plane_normal = plane.axis
+    else:
+        drawing_plane_normal = WorkingPlane.get_working_plane(update=False).axis
 
     center = edge.Curve
     ax = center.Axis
@@ -272,13 +270,10 @@ def get_circle(plane,
     cen = get_proj(edge.Curve.Center, plane)
     rad = edge.Curve.Radius
 
-    if hasattr(App, "DraftWorkingPlane"):
-        drawing_plane_normal = App.DraftWorkingPlane.axis
-    else:
-        drawing_plane_normal = App.Vector(0, 0, 1)
-
     if plane:
         drawing_plane_normal = plane.axis
+    else:
+        drawing_plane_normal = WorkingPlane.get_working_plane(update=False).axis
 
     if round(edge.Curve.Axis.getAngle(drawing_plane_normal), 2) in [0, 3.14]:
         # Perpendicular projection: circle