freecad-cam/Mod/Draft/draftguitools/gui_wire2spline.py
2026-02-01 01:59:24 +01:00

113 lines
5.3 KiB
Python

# ***************************************************************************
# * (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
# * (c) 2009, 2010 Ken Cline <cline@frii.com> *
# * (c) 2020 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * 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. *
# * *
# * FreeCAD 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 FreeCAD; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
"""Provides GUI tools to convert polylines to B-splines and back.
These tools work on polylines and B-splines which have multiple points.
Essentially, the points of the original object are extracted
and passed to the `make_wire` or `make_bspline` functions,
depending on the desired result.
"""
## @package gui_wire2spline
# \ingroup draftguitools
# \brief Provides GUI tools to convert polylines to B-splines and back.
## \addtogroup draftguitools
# @{
from PySide.QtCore import QT_TRANSLATE_NOOP
import FreeCADGui as Gui
import Draft_rc
import Draft
import draftutils.utils as utils
import draftguitools.gui_base_original as gui_base_original
from draftutils.translate import translate
# The module is used to prevent complaints from code checkers (flake8)
True if Draft_rc.__name__ else False
class WireToBSpline(gui_base_original.Modifier):
"""Gui Command for the Wire to BSpline tool."""
def __init__(self):
super().__init__()
self.running = False
def GetResources(self):
"""Set icon, menu and tooltip."""
return {'Pixmap': 'Draft_WireToBSpline',
'MenuText': QT_TRANSLATE_NOOP("Draft_WireToBSpline", "Wire to B-spline"),
'ToolTip': QT_TRANSLATE_NOOP("Draft_WireToBSpline", "Converts a selected polyline to a B-spline, or a B-spline to a polyline.")}
def Activated(self):
"""Execute when the command is called."""
if self.running:
self.finish()
# TODO: iterate over all selected items to transform
# many objects. As it is right now, it only works on the first object
# in the selection.
# Also, it is recommended to use the `self.commit` function
# in order to properly open a transaction and commit it.
selection = Gui.Selection.getSelection()
if selection:
if utils.getType(selection[0]) in ['Wire', 'BSpline']:
super(WireToBSpline, self).Activated(name="Convert polyline/B-spline")
if self.doc:
self.obj = Gui.Selection.getSelection()
if self.obj:
self.obj = self.obj[0]
self.pl = None
if "Placement" in self.obj.PropertiesList:
self.pl = self.obj.Placement
self.Points = self.obj.Points
self.closed = self.obj.Closed
n = None
if utils.getType(self.obj) == 'Wire':
n = Draft.make_bspline(self.Points,
closed=self.closed,
placement=self.pl)
elif utils.getType(self.obj) == 'BSpline':
self.bs2wire = True
n = Draft.make_wire(self.Points,
closed=self.closed,
placement=self.pl,
face=None,
support=None,
bs2wire=self.bs2wire)
if n:
Draft.formatObject(n, self.obj)
self.doc.recompute()
else:
self.finish()
Gui.addCommand('Draft_WireToBSpline', WireToBSpline())
## @}