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# Copyright (c) 2021, Manfred Moitzi
# License: MIT License
import ezdxf
from ezdxf import zoom
from ezdxf.math import Vec3
from ezdxf.lldxf import const
from ezdxf.tools.text_layout import lorem_ipsum
def create_doc(filename: str, dxfversion: str):
def add_mtext_columns(msp):
insert = Vec3(0, 0, 0)
attribs = {
"layer": "STATIC",
"char_height": 1,
"insert": insert,
}
content = [
" ".join(lorem_ipsum(50)),
" ".join(lorem_ipsum(100)),
" ".join(lorem_ipsum(70)),
]
# Create 3 static columns, the content if each column is
# clearly defined: [content0, content1, content2, ...]
# The height of the columns is defined by their content, ezdxf adds
# an automatic column switch `\N` (R2018) between the parts.
# The height argument should as big as the tallest column needs to be,
# this value also determines the total height of the MTEXT entity.
#
# This is the simplest way to define columns without the need to render
# the content to determine the required column heights.
mtext = msp.add_mtext_static_columns(
content, width=20, gutter_width=1, height=100, dxfattribs=attribs
)
insert += Vec3(mtext.columns.total_width + 5, 0, 0)
attribs["layer"] = "DYNAMIC"
attribs["insert"] = insert
content = " ".join(lorem_ipsum(300))
# Create as much columns as needed for the given common fixed height:
# Easy for R2018, very hard for <R2018
# Passing count is required to calculate the correct total width.
# The get the correct column count requires an exact MTEXT rendering
# like AutoCAD/BricsCAD, which does not exist yet.
mtext = msp.add_mtext_dynamic_auto_height_columns(
content,
width=20,
gutter_width=1,
height=50,
count=3,
dxfattribs=attribs,
)
insert += Vec3(mtext.columns.total_width + 5, 0, 0)
attribs["insert"] = insert
# Create 3 columns with given individual column heights,
# the last column height is required but ignored and therefore 0,
# because the last column contains as much of the remaining content
# as needed.
# Easy for R2018, very hard for <R2018
msp.add_mtext_dynamic_manual_height_columns(
content,
width=20,
gutter_width=1,
heights=[20, 30, 0],
dxfattribs=attribs,
)
doc = ezdxf.new(dxfversion=dxfversion)
msp = doc.modelspace()
add_mtext_columns(msp)
zoom.extents(msp)
doc.saveas(filename)
print(f"created {filename}")
if __name__ == "__main__":
create_doc("mtext_columns_R2000.dxf", const.DXF2000)
create_doc("mtext_columns_R2007.dxf", const.DXF2007)
create_doc("mtext_columns_R2018.dxf", const.DXF2018)
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