def test_style_property_text_shadow_has_px(self):
prop = styles.TextShadowType(
(styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=1,
units=styles.LengthType.Units.em),
y_offset=styles.LengthType(value=1,
units=styles.LengthType.Units.em)),
styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=0.5,
units=styles.LengthType.Units.em),
y_offset=styles.LengthType(value=0.7,
units=styles.LengthType.Units.em),
blur_radius=styles.LengthType(
value=1, units=styles.LengthType.Units.em),
color=styles.NamedColors.red.value)))
self.assertEqual(imsc_styles.StyleProperties.TextShadow.has_px(prop),
False)
prop = styles.TextShadowType(
(styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=1,
units=styles.LengthType.Units.px),
y_offset=styles.LengthType(value=1.2,
units=styles.LengthType.Units.em)),
styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=0.5,
units=styles.LengthType.Units.em),
y_offset=styles.LengthType(value=0.7,
units=styles.LengthType.Units.em),
blur_radius=styles.LengthType(
value=1, units=styles.LengthType.Units.em),
color=styles.NamedColors.red.value)))
self.assertEqual(imsc_styles.StyleProperties.TextShadow.has_px(prop),
True)
prop = styles.TextShadowType(
(styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=1,
units=styles.LengthType.Units.em),
y_offset=styles.LengthType(value=1.2,
units=styles.LengthType.Units.em)),
styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=0.5,
units=styles.LengthType.Units.px),
y_offset=styles.LengthType(value=0.7,
units=styles.LengthType.Units.em),
blur_radius=styles.LengthType(
value=1, units=styles.LengthType.Units.em),
color=styles.NamedColors.red.value)))
self.assertEqual(imsc_styles.StyleProperties.TextShadow.has_px(prop),
True)
def extract(
cls, context: StyleParsingContext,
xml_attrib: str) -> typing.Union[str, styles.TextOutlineType]:
if xml_attrib == "none":
return styles.SpecialValues.none
shadows = []
for shadow in xml_attrib.split(","):
cs = shadow.split(" ")
if len(cs) < 1 or len(cs) > 4:
raise ValueError("Invalid Syntax")
x_offset = StyleProperties.ttml_length_to_model(context, cs[0])
y_offset = StyleProperties.ttml_length_to_model(context, cs[1])
blur_radius = None
color = None
if len(cs) == 3:
try:
blur_radius = StyleProperties.ttml_length_to_model(
context, cs[2])
except ValueError:
color = utils.parse_color(cs[2])
else: # len(cs) == 4
blur_radius = StyleProperties.ttml_length_to_model(
context, cs[2])
color = utils.parse_color(cs[3])
shadows.append(
styles.TextShadowType.Shadow(x_offset=x_offset,
y_offset=y_offset,
blur_radius=blur_radius,
color=color))
return styles.TextShadowType(shadows)
def test_tts_text_shadow(self):
ts1 = styles.SpecialValues.none
self.assertEqual(
_get_set_style(imsc_styles.StyleProperties.TextShadow, ts1),
"none")
ts2 = styles.TextShadowType(
(styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=1,
units=styles.LengthType.Units.em),
y_offset=styles.LengthType(value=1.2,
units=styles.LengthType.Units.em)),
styles.TextShadowType.Shadow(
x_offset=styles.LengthType(value=0.5,
units=styles.LengthType.Units.em),
y_offset=styles.LengthType(value=0.7,
units=styles.LengthType.Units.em),
blur_radius=styles.LengthType(
value=1, units=styles.LengthType.Units.em),
color=styles.NamedColors.red.value)))
self.assertEqual(
_get_set_style(imsc_styles.StyleProperties.TextShadow, ts2),
"1em 1.2em, 0.5em 0.7em 1em #ff0000")
