def transparency(self) -> float:
try:
xdata = self.get_xdata(AcCmTransparency)
except DXFValueError:
return 0
else:
return clr.transparency2float(xdata[0].value)
def transparency(self) -> float:
""" Get transparency as float value between 0 and 1, 0 is opaque and 1
is 100% transparent (invisible).
"""
if self.dxf.hasattr('transparency'):
return clr.transparency2float(self.dxf.get('transparency'))
else:
return 0.
def transparency(self) -> float:
try:
xdata = self.get_xdata(AcCmTransparency)
except DXFValueError:
return 0.0
else:
t = xdata[0].value
if t & 0x2000000: # is this a real transparency value?
# Transparency BYBLOCK (0x01000000) make no sense for a layer!?
return clr.transparency2float(t)
return 0.0
def transparency(self) -> float:
"""Get transparency as float value between 0 and 1, 0 is opaque and 1
is 100% transparent (invisible). Transparency by block returns always 0.
"""
if self.dxf.hasattr("transparency"):
value = self.dxf.get("transparency")
if validator.is_transparency(value):
if value & TRANSPARENCY_BYBLOCK: # just check flag state
return 0.0
return clr.transparency2float(value)
return 0.0
def from_entity(cls, entity: "DXFEntity") -> "GfxAttribs":
"""Get the graphical attributes of an `entity` as :class:`GfxAttribs`
object.
"""
attribs = cls()
dxf = entity.dxf
for name in ["layer", "color", "linetype", "lineweight", "ltscale"]:
if dxf.hasattr(name):
setattr(attribs, name, dxf.get(name))
if dxf.hasattr("true_color"):
attribs.rgb = colors.int2rgb(dxf.true_color)
if dxf.hasattr("transparency"):
if dxf.transparency == colors.TRANSPARENCY_BYBLOCK:
attribs.transparency = TRANSPARENCY_BYBLOCK
else:
attribs.transparency = colors.transparency2float(
dxf.transparency
)
return attribs
def test_transparency_to_float(t_int, t_float):
assert round(colors.transparency2float(t_int), 2) == t_float