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# Copyright (c) 2021, Manfred Moitzi
# License: MIT License
import pytest
from ezdxf import colors
# DXF transparency value 0x020000TT
# 0x00 = fully transparent
# 0xff = opaque
@pytest.mark.parametrize("t_int, t_float", [
(0x02000000, 1.0),
(0x0200007F, 0.5),
(0x020000FF, 0.0),
(0, 1.0),
(127, 0.5),
(255, 0.0),
])
def test_transparency_to_float(t_int, t_float):
assert round(colors.transparency2float(t_int), 2) == t_float
@pytest.mark.parametrize("t_int, t_float", [
(0x02000000, 1.0),
(0x0200007F, 0.5),
(0x020000FF, 0.0),
])
def test_float_to_transparency(t_int, t_float):
assert colors.float2transparency(t_float) == t_int
if __name__ == '__main__':
pytest.main([__file__])
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