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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | # SPDX-License-Identifier: LGPL-2.1-or-later
# ***************************************************************************
# * 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 *
# * *
# ***************************************************************************
"""Provides functions to transform sketches into Draft objects."""
## @package draftify
# \ingroup draftfunctions
# \brief Provides functions to transform sketches into Draft objects.
## \addtogroup draftfunctions
# @{
import lazy_loader.lazy_loader as lz
import FreeCAD as App
import draftutils.gui_utils as gui_utils
import draftmake.make_block as make_block
import draftmake.make_wire as make_wire
import draftmake.make_circle as make_circle
import draftmake.make_bspline as make_bspline
import draftmake.make_bezcurve as make_bezcurve
import draftmake.make_arc_3points as make_arc_3points
# Delay import of module until first use because it is heavy
Part = lz.LazyLoader("Part", globals(), "Part")
DraftGeomUtils = lz.LazyLoader("DraftGeomUtils", globals(), "DraftGeomUtils")
def draftify(objectslist, makeblock=False, delete=True):
"""draftify(objectslist,[makeblock],[delete])
Turn each object of the given list (objectslist can also be a single
object) into a Draft parametric wire.
TODO: support more objects
Parameters
----------
objectslist :
makeblock : bool
If makeblock is True, multiple objects will be grouped in a block.
delete : bool
If delete = False, old objects are not deleted
"""
if not isinstance(objectslist, list):
objectslist = [objectslist]
newobjlist = []
for obj in objectslist:
if hasattr(obj, "Shape"):
for cluster in Part.sortEdges(obj.Shape.Edges):
w = Part.Wire(cluster)
nobj = draftify_shape(w)
if nobj is None:
nobj = App.ActiveDocument.addObject("Part::Feature", obj.Name)
nobj.Shape = w
newobjlist.append(nobj)
gui_utils.format_object(nobj, obj)
# sketches are always in wireframe mode. In Draft we don't like that!
if App.GuiUp:
nobj.ViewObject.DisplayMode = "Flat Lines"
if delete:
App.ActiveDocument.removeObject(obj.Name)
if makeblock:
return make_block.make_block(newobjlist)
else:
if len(newobjlist) == 1:
return newobjlist[0]
return newobjlist
def draftify_shape(shape):
nobj = None
if DraftGeomUtils.hasCurves(shape):
if len(shape.Edges) == 1:
edge = shape.Edges[0]
edge_type = DraftGeomUtils.geomType(edge)
if edge_type == "Circle":
if edge.isClosed():
nobj = make_circle.make_circle(edge)
else:
first_parameter = edge.FirstParameter
last_parameter = edge.LastParameter
points = [
edge.Curve.value(first_parameter),
edge.Curve.value((first_parameter + last_parameter) / 2),
edge.Curve.value(last_parameter),
]
nobj = make_arc_3points.make_arc_3points(points)
# TODO: take into consideration trimmed curves and capture the specific
# type of BSpline and Bezier that can be converted to a draft object.
# elif edge_type == "BSplineCurve":
# knots = [edge.Curve.value(p) for p in edge.Curve.getKnots()]
# nobj = make_bspline.make_bspline(knots, closed=edge.isClosed())
# elif edge_type == "BezierCurve":
# nobj = make_bezcurve.make_bezcurve(edge.Curve.getPoles(),
# closed=edge.isClosed())
else:
nobj = make_wire.make_wire(shape)
return nobj
## @}
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