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# Copyright (c) 2018-2023 Manfred Moitzi
# License: MIT License
import pathlib
import ezdxf
from ezdxf import zoom
from ezdxf.fonts import shapefile
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
# ------------------------------------------------------------------------------
# This example shows how to create complex linetypes.
#
# docs: https://ezdxf.mozman.at/docs/concepts/linetypes.html
# ------------------------------------------------------------------------------
doc = ezdxf.new("R2018") # DXF R13 or later is required
# This linetype contains the text "GAS" with text-style "STANDARD"
doc.linetypes.add(
"GASLEITUNG2",
# linetype definition in acadlt.lin:
pattern='A,.5,-.2,["GAS",STANDARD,S=.1,U=0.0,X=-0.1,Y=-.05],-.25',
description="Gasleitung2 ----GAS----GAS----GAS----GAS----GAS----GAS--",
length=1, # required for complex linetypes
)
# This linetype contains a box shape from the ltypeshp.shx file.
#
# Shapes in linetypes require the referenced shape-file (ltypeshp.shx in this
# case) to be located in the search path of the CAD application or in the same
# folder as the DXF file.
doc.linetypes.add(
"GRENZE2",
# Get the linetype definition from acadlt.lin:
# "A,.25,-.1,[BOX,ltypeshp.shx,x=-.1,s=.1],-.1,1" and replace "BOX" by
# shape-number 132.
# Find the shape-number by function find_shape_number(), the SHX file "ltypeshp.shx"
# will be searched in the current directory and the directories stored in
# `ezdxf.options.support_dirs`.
pattern="A,.25,-.1,[132,ltypeshp.shx,x=-.1,s=.1],-.1,1",
description="Grenze eckig -[]-----[]-----[]-----[]-----[]----",
length=1.45, # required for complex line types
)
print(shapefile.find_shape_number("ltypeshp.shx", b"BOX"))
msp = doc.modelspace()
msp.add_line((0, 0), (100, 0), dxfattribs={"linetype": "GASLEITUNG2"})
msp.add_line((0, 50), (100, 50), dxfattribs={"linetype": "GRENZE2"})
zoom.extents(msp, 1.1)
doc.saveas(CWD / "complex_linetype_example.dxf")
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