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# Copyright (c) 2020-2023, Manfred Moitzi
# License: MIT License
import ezdxf
from ezdxf.lldxf import const
from ezdxf.math import Shape2d
def add_top_zero_bottom_mlines(
msp, vertices, closed: bool = False, style: str = "Standard"
):
shape = Shape2d(vertices)
msp.add_mline(
shape.vertices,
close=closed,
dxfattribs={
"style_name": style,
"justification": const.MLINE_BOTTOM,
},
)
shape.translate((0, 20, 0))
msp.add_mline(
shape.vertices,
close=closed,
dxfattribs={
"style_name": style,
"justification": const.MLINE_ZERO,
},
)
shape.translate((0, 20, 0))
msp.add_mline(
shape.vertices,
close=closed,
dxfattribs={
"style_name": style,
"justification": const.MLINE_TOP,
},
)
def create_simple_mline(style="Standard"):
doc = ezdxf.new()
setup_styles(doc)
msp = doc.modelspace()
add_top_zero_bottom_mlines(msp, [(0, 0), (10, 0)], style=style)
doc.set_modelspace_vport(60, center=(10, 30))
doc.saveas(f"mline_1_seg_{style}.dxf")
def create_3seg_mline(style="Standard"):
doc = ezdxf.new()
setup_styles(doc)
msp = doc.modelspace()
add_top_zero_bottom_mlines(
msp, [(0, 0), (10, 0), (15, 5), (15, 10)], style=style
)
doc.set_modelspace_vport(60, center=(10, 30))
doc.saveas(f"mline_3_seg_{style}.dxf")
def create_square_mline(style="Standard"):
doc = ezdxf.new()
setup_styles(doc)
msp = doc.modelspace()
add_top_zero_bottom_mlines(
msp, [(0, 0), (10, 0), (10, 10), (0, 10)], closed=True, style=style
)
doc.set_modelspace_vport(60, center=(10, 30))
doc.saveas(f"mline_square_{style}.dxf")
def setup_styles(doc):
style = doc.mline_styles.new("above")
style.elements.append(0.5, 1)
style.elements.append(0.25, 3)
style = doc.mline_styles.new("below")
style.elements.append(-0.5, 2)
style.elements.append(-0.25, 4)
style = doc.mline_styles.new("angle")
style.dxf.start_angle = 45
style.dxf.end_angle = 45
style.elements.append(0.5, 6)
style.elements.append(-0.5, 5)
style = doc.mline_styles.new("everything")
style.dxf.flags = 0xFFFF
style.dxf.fill_color = 5
style.elements.append(1.0, 1)
style.elements.append(0.25, 6)
style.elements.append(0.0, 3)
style.elements.append(-0.25, 4)
style.elements.append(-0.5, 2)
if __name__ == "__main__":
for style in ("Standard", "above", "below", "angle", "everything"):
create_simple_mline(style)
create_3seg_mline(style)
create_square_mline(style)
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