Draft: split Ellipse from Draft.py

.

src/Mod/Draft/draftobjects/ellipse.py

@@ -0,0 +1,102 @@
+# ***************************************************************************
+# *   Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net>        *
+# *   Copyright (c) 2009, 2010 Ken Cline <cline@frii.com>                   *
+# *   Copyright (c) 2020 FreeCAD Developers                                 *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   This program is distributed in the hope that it will be useful,       *
+# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+# *   GNU Library General Public License for more details.                  *
+# *                                                                         *
+# *   You should have received a copy of the GNU Library General Public     *
+# *   License along with this program; if not, write to the Free Software   *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+"""This module provides the object code for Draft Ellipse.
+"""
+## @package ellipse
+# \ingroup DRAFT
+# \brief This module provides the object code for Draft Ellipse.
+
+from PySide.QtCore import QT_TRANSLATE_NOOP
+
+import FreeCAD as App
+
+from draftutils.utils import get_param
+
+from draftobjects.base import DraftObject
+
+
+class Ellipse(DraftObject):
+    """The Circle object"""
+
+    def __init__(self, obj):
+        super(Ellipse, self).__init__(obj, "Ellipse")
+
+        _tip = "Start angle of the elliptical arc"
+        obj.addProperty("App::PropertyAngle", "FirstAngle",
+                        "Draft",QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        _tip = "End angle of the elliptical arc \n\
+                (for a full circle, give it same value as First Angle)"
+        obj.addProperty("App::PropertyAngle", "LastAngle",
+                        "Draft",QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        _tip = "Minor radius of the ellipse"
+        obj.addProperty("App::PropertyLength", "MinorRadius",
+                        "Draft",QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        _tip = "Major radius of the ellipse"
+        obj.addProperty("App::PropertyLength", "MajorRadius",
+                        "Draft",QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        _tip = "Create a face"
+        obj.addProperty("App::PropertyBool", "MakeFace",
+                        "Draft",QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        _tip = "Area of this object"
+        obj.addProperty("App::PropertyArea", "Area",
+                        "Draft",QT_TRANSLATE_NOOP("App::Property", _tip))
+
+        obj.MakeFace = get_param("fillmode",True)
+
+    def execute(self, obj):
+        import Part
+        plm = obj.Placement
+        if obj.MajorRadius.Value < obj.MinorRadius.Value:
+            _err = "Error: Major radius is smaller than the minor radius"
+            App.Console.PrintMessage(QT_TRANSLATE_NOOP("Draft", _err))
+            return
+        if obj.MajorRadius.Value and obj.MinorRadius.Value:
+            ell = Part.Ellipse(App.Vector(0, 0, 0),
+                               obj.MajorRadius.Value,
+                               obj.MinorRadius.Value)
+            shape = ell.toShape()
+            if hasattr(obj,"FirstAngle"):
+                if obj.FirstAngle.Value != obj.LastAngle.Value:
+                    a1 = obj.FirstAngle.getValueAs(App.Units.Radian)
+                    a2 = obj.LastAngle.getValueAs(App.Units.Radian)
+                    shape = Part.ArcOfEllipse(ell, a1, a2).toShape()
+            shape = Part.Wire(shape)
+            if shape.isClosed():
+                if hasattr(obj,"MakeFace"):
+                    if obj.MakeFace:
+                        shape = Part.Face(shape)
+                else:
+                    shape = Part.Face(shape)
+            obj.Shape = shape
+            if hasattr(obj, "Area") and hasattr(shape, "Area"):
+                obj.Area = shape.Area
+            obj.Placement = plm
+        obj.positionBySupport()
+
+
+_Ellipse = Ellipse