def test_fix_bitmask():
fixer = fix_bitmask(3)
assert fixer(0) == 0
assert fixer(1) == 1
assert fixer(2) == 2
assert fixer(3) == 3
assert fixer(4) == 0
assert fixer(5) == 1
# Determines how much border there is around the text.
# (45) + (90) + (63) all three required, if one of them is used
'box_fill_scale':
DXFAttr(45, dxfversion='AC1021'),
# background fill type flags:
# 0 = off
# 1 = color -> (63) < (421) or (431)
# 2 = drawing window color
# 3 = use background color (1 & 2)
# 16 = text frame ODA specification 20.4.46
'bg_fill':
DXFAttr(90,
dxfversion='AC1021',
validator=validator.is_valid_bitmask(BG_FILL_MASK),
fixer=validator.fix_bitmask(BG_FILL_MASK)),
# background fill color as ACI, required even true color is used
'bg_fill_color':
DXFAttr(
63,
dxfversion='AC1021',
validator=validator.is_valid_aci_color,
),
# 420-429? : background fill color as true color value, (63) also required
# but ignored
'bg_fill_true_color':
DXFAttr(421, dxfversion='AC1021'),
# 430-439? : background fill color as color name ???, (63) also required