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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import itertools
from . import is_
from mathutils import Vector
def map_dxf_to_blender_type(TYPE):
"""
TYPE: DXF entity type (String)
"""
if is_.mesh(TYPE):
return "object_mesh"
if is_.curve(TYPE):
return "object_curve"
if is_.nurbs(TYPE):
return "object_surface"
else:
print("groupsort: not mergeable type ", TYPE)
return "not_mergeable"
def by_blender_type(entities):
"""
entities: list of DXF entities
"""
keyf = lambda e: map_dxf_to_blender_type(e.dxftype)
return itertools.groupby(sorted(entities, key=keyf), key=keyf)
def by_layer(entities):
"""
entities: list of DXF entities
"""
keyf = lambda e: e.layer
return itertools.groupby(sorted(entities, key=keyf), key=keyf)
def by_closed_poly_no_bulge(entities):
"""
entities: list of DXF entities
"""
keyf = lambda e: is_.closed_poly_no_bulge(e)
return itertools.groupby(sorted(entities, key=keyf), key=keyf)
def by_dxftype(entities):
"""
entities: list of DXF entities
"""
keyf = lambda e: e.dxftype
return itertools.groupby(sorted(entities, key=keyf), key=keyf)
def by_attributes(entities):
"""
entities: list of DXF entities
attributes: thickness and width occurring in curve types; subdivision_levels occurring in MESH dxf types
"""
def attributes(entity):
width = [(0, 0)]
subd = -1
extrusion = entity.extrusion
if hasattr(entity, "width"):
if any((w != 0 for ww in entity.width for w in ww)):
width = entity.width
if hasattr(entity, "subdivision_levels"):
subd = entity.subdivision_levels
if entity.dxftype in {"LINE", "POINT"}:
extrusion = (0.0, 0.0, 1.0)
return entity.thickness, subd, width, extrusion
return itertools.groupby(sorted(entities, key=attributes), key=attributes)
def by_insert_block_name(inserts):
"""
entities: list of DXF inserts
"""
keyf = lambda e: e.name
return itertools.groupby(sorted(inserts, key=keyf), key=keyf)
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