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# Purpose: DXF12 tag wrapper
# Created: 21.07.2012, taken from my ezdxf project
# Copyright (C) 2012, Manfred Moitzi
# License: MIT License
from __future__ import unicode_literals
__author__ = "mozman <mozman@gmx.at>"
from .dxfattr import DXFAttr, DXFAttributes, DefSubclass
from .dxfentity import DXFEntity
from . import const
from .const import XTYPE_3D, XTYPE_2D_3D
def make_attribs(additional=None):
dxfattribs = {
'handle': DXFAttr(5),
'layer': DXFAttr(8), # layername as string, default is '0'
'linetype': DXFAttr(6), # linetype as string, special names BYLAYER/BYBLOCK, default is BYLAYER
'thickness': DXFAttr(39),
'color': DXFAttr(62), # dxf color index, 0 .. BYBLOCK, 256 .. BYLAYER, default is 256
'paperspace': DXFAttr(67), # 0 .. modelspace, 1 .. paperspace, default is 0
'extrusion': DXFAttr(210, XTYPE_3D),
}
if additional:
dxfattribs.update(additional)
return DXFAttributes(DefSubclass(None, dxfattribs))
class Line(DXFEntity):
DXFATTRIBS = make_attribs({
'start': DXFAttr(10, XTYPE_2D_3D),
'end': DXFAttr(11, XTYPE_2D_3D),
})
class Point(DXFEntity):
DXFATTRIBS = make_attribs({
'point': DXFAttr(10, XTYPE_2D_3D),
})
class Circle(DXFEntity):
DXFATTRIBS = make_attribs({
'center': DXFAttr(10, XTYPE_2D_3D),
'radius': DXFAttr(40),
})
class Arc(DXFEntity):
DXFATTRIBS = make_attribs({
'center': DXFAttr(10, XTYPE_2D_3D),
'radius': DXFAttr(40),
'startangle': DXFAttr(50),
'endangle': DXFAttr(51),
})
class Trace(DXFEntity):
DXFATTRIBS = make_attribs({
'vtx0': DXFAttr(10, XTYPE_2D_3D),
'vtx1': DXFAttr(11, XTYPE_2D_3D),
'vtx2': DXFAttr(12, XTYPE_2D_3D),
'vtx3': DXFAttr(13, XTYPE_2D_3D),
})
Solid = Trace
class Face(DXFEntity):
DXFATTRIBS = make_attribs({
'vtx0': DXFAttr(10, XTYPE_2D_3D),
'vtx1': DXFAttr(11, XTYPE_2D_3D),
'vtx2': DXFAttr(12, XTYPE_2D_3D),
'vtx3': DXFAttr(13, XTYPE_2D_3D),
'invisible_edge': DXFAttr(70),
})
class Text(DXFEntity):
DXFATTRIBS = make_attribs({
'insert': DXFAttr(10, XTYPE_2D_3D),
'height': DXFAttr(40),
'text': DXFAttr(1),
'rotation': DXFAttr(50), # in degrees (circle = 360deg)
'oblique': DXFAttr(51), # in degrees, vertical = 0deg
'style': DXFAttr(7), # text style
'width': DXFAttr(41), # width FACTOR!
'textgenerationflag': DXFAttr(71), # 2 = backward (mirr-x), 4 = upside down (mirr-y)
'halign': DXFAttr(72), # horizontal justification
'valign': DXFAttr(73), # vertical justification
'alignpoint': DXFAttr(11, XTYPE_2D_3D),
})
class Insert(DXFEntity):
DXFATTRIBS = make_attribs({
'attribsfollow': DXFAttr(66),
'name': DXFAttr(2),
'insert': DXFAttr(10, XTYPE_2D_3D),
'xscale': DXFAttr(41),
'yscale': DXFAttr(42),
'zscale': DXFAttr(43),
'rotation': DXFAttr(50),
'colcount': DXFAttr(70),
'rowcount': DXFAttr(71),
'colspacing': DXFAttr(44),
'rowspacing': DXFAttr(45),
})
class SeqEnd(DXFEntity):
DXFATTRIBS = DXFAttributes(DefSubclass(None, {'handle': DXFAttr(5), 'paperspace': DXFAttr(67), }))
class Attrib(DXFEntity): # also ATTDEF
DXFATTRIBS = make_attribs({
'insert': DXFAttr(10, XTYPE_2D_3D),
'height': DXFAttr(40),
'text': DXFAttr(1),
'prompt': DXFAttr(3), # just in ATTDEF not ATTRIB
'tag': DXFAttr(2),
'flags': DXFAttr(70),
'fieldlength': DXFAttr(73),
'rotation': DXFAttr(50),
'oblique': DXFAttr(51),
'width': DXFAttr(41), # width factor
'style': DXFAttr(7),
'textgenerationflag': DXFAttr(71), # 2 = backward (mirr-x), 4 = upside down (mirr-y)
'halign': DXFAttr(72), # horizontal justification
'valign': DXFAttr(74), # vertical justification
'alignpoint': DXFAttr(11, XTYPE_2D_3D),
})
class Polyline(DXFEntity):
DXFATTRIBS = make_attribs({
'elevation': DXFAttr(10, XTYPE_2D_3D),
'flags': DXFAttr(70),
'defaultstartwidth': DXFAttr(40),
'defaultendwidth': DXFAttr(41),
'mcount': DXFAttr(71),
'ncount': DXFAttr(72),
'msmoothdensity': DXFAttr(73),
'nsmoothdensity': DXFAttr(74),
'smoothtype': DXFAttr(75),
})
def get_vertex_flags(self):
return const.VERTEX_FLAGS[self.get_mode()]
@property
def flags(self):
return self.get_dxf_attrib('flags', 0)
def get_mode(self):
flags = self.flags
if flags & const.POLYLINE_SPLINE_FIT_VERTICES_ADDED:
return 'spline2d'
elif flags & const.POLYLINE_3D_POLYLINE:
return 'polyline3d'
elif flags & const.POLYLINE_3D_POLYMESH:
return 'polymesh'
elif flags & const.POLYLINE_POLYFACE:
return 'polyface'
else:
return 'polyline2d'
def is_mclosed(self):
return bool(self.flags & const.POLYLINE_MESH_CLOSED_M_DIRECTION)
def is_nclosed(self):
return bool(self.flags & const.POLYLINE_MESH_CLOSED_N_DIRECTION)
class Vertex(DXFEntity):
DXFATTRIBS = make_attribs({
'location': DXFAttr(10, XTYPE_2D_3D),
'startwidth': DXFAttr(40),
'endwidth': DXFAttr(41),
'bulge': DXFAttr(42),
'flags': DXFAttr(70),
'tangent': DXFAttr(50),
'vtx0': DXFAttr(71),
'vtx1': DXFAttr(72),
'vtx2': DXFAttr(73),
'vtx3': DXFAttr(74),
})
class Block(DXFEntity):
DXFATTRIBS = make_attribs({
'name': DXFAttr(2),
'name2': DXFAttr(3),
'flags': DXFAttr(70),
'basepoint': DXFAttr(10, XTYPE_2D_3D),
'xrefpath': DXFAttr(1),
})
class EndBlk(SeqEnd):
DXFATTRIBS = DXFAttributes(DefSubclass(None, {'handle': DXFAttr(5)}))
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