132 lines
5.5 KiB
Python
132 lines
5.5 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
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# * Copyright (c) 2009, 2010 Ken Cline <cline@frii.com> *
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# * Copyright (c) 2020 FreeCAD Developers *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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"""Provides the object code for the Polygon object."""
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## @package polygon
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# \ingroup draftobjects
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# \brief Provides the object code for the Polygon object.
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## \addtogroup draftobjects
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# @{
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import math
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import FreeCAD as App
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import DraftGeomUtils
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from draftobjects.base import DraftObject
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from draftutils import params
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class Polygon(DraftObject):
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"""The Polygon object"""
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def __init__(self, obj):
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super(Polygon, self).__init__(obj, "Polygon")
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Number of faces")
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obj.addProperty("App::PropertyInteger", "FacesNumber", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Radius of the control circle")
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obj.addProperty("App::PropertyLength", "Radius", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"How the polygon must be drawn from the control circle")
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obj.addProperty("App::PropertyEnumeration", "DrawMode", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Radius to use to fillet the corners")
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obj.addProperty("App::PropertyLength", "FilletRadius", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Size of the chamfer to give to the corners")
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obj.addProperty("App::PropertyLength", "ChamferSize", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Create a face")
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obj.addProperty("App::PropertyBool", "MakeFace", "Draft", _tip)
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"The area of this object")
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obj.addProperty("App::PropertyArea", "Area", "Draft", _tip)
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obj.MakeFace = params.get_param("fillmode")
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obj.DrawMode = ['inscribed','circumscribed']
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obj.FacesNumber = 0
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obj.Radius = 1
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def execute(self, obj):
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if self.props_changed_placement_only():
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obj.positionBySupport()
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self.props_changed_clear()
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return
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if (obj.FacesNumber >= 3) and (obj.Radius.Value > 0):
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import Part
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plm = obj.Placement
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angle = (math.pi * 2) / obj.FacesNumber
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if obj.DrawMode == 'inscribed':
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delta = obj.Radius.Value
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else:
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delta = obj.Radius.Value / math.cos(angle / 2.0)
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pts = [App.Vector(delta, 0, 0)]
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for i in range(obj.FacesNumber - 1):
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ang = (i + 1) * angle
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pts.append(App.Vector(delta * math.cos(ang),
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delta*math.sin(ang),
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0))
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pts.append(pts[0])
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shape = Part.makePolygon(pts)
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if "ChamferSize" in obj.PropertiesList:
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if obj.ChamferSize.Value != 0:
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w = DraftGeomUtils.filletWire(shape,obj.ChamferSize.Value,
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chamfer=True)
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if w:
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shape = w
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if "FilletRadius" in obj.PropertiesList:
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if obj.FilletRadius.Value != 0:
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w = DraftGeomUtils.filletWire(shape,
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obj.FilletRadius.Value)
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if w:
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shape = w
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if hasattr(obj,"MakeFace"):
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if obj.MakeFace:
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shape = Part.Face(shape)
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else:
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shape = Part.Face(shape)
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obj.Shape = shape
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if hasattr(obj, "Area") and hasattr(shape, "Area"):
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obj.Area = shape.Area
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obj.Placement = plm
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obj.positionBySupport()
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self.props_changed_clear()
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def onChanged(self, obj, prop):
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self.props_changed_store(prop)
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# Alias for compatibility with v0.18 and earlier
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_Polygon = Polygon
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## @}
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