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# Copyright (c) 2021-2022 Manfred Moitzi
# License: MIT License
import pathlib
import ezdxf
from ezdxf.math import Matrix44, TransformError
from ezdxf.layouts import BaseLayout
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
# ------------------------------------------------------------------------------
# This example shows how to transform all entities of a layout by the
# general transformation interface.
# docs: https://ezdxf.mozman.at/docs/dxfentities/dxfgfx.html#ezdxf.entities.DXFGraphic.transform
# ------------------------------------------------------------------------------
EXAMPLE = (
ezdxf.options.test_files_path / "CADKitSamples" / "AEC Plan Elev Sample.dxf"
)
INCH_TO_MM = 25.4
def transform_layout(layout: BaseLayout, m: Matrix44) -> None:
for entity in layout:
try:
entity.transform(m)
except (NotImplementedError, TransformError):
pass
doc = ezdxf.readfile(EXAMPLE)
transform_layout(doc.modelspace(), Matrix44.scale(INCH_TO_MM))
doc.saveas(CWD / "scaled.dxf")
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