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Allow MTex to accept multiple strings as an argument

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This commit is contained in:
Grant Sanderson 2022-12-20 14:09:53 -08:00
parent 6176bcd45a
commit e0725c111e
1 changed files with 17 additions and 2 deletions
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19
manimlib/mobject/svg/mtex_mobject.py
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@ -22,26 +22,41 @@ class MTex(StringMobject):
def __init__(
self,
tex_string: str,
*tex_strings: str,
font_size: int = 48,
alignment: str = R"\centering",
template: str = "",
additional_preamble: str = "",
tex_to_color_map: dict = dict(),
t2c: dict = dict(),
isolate: Selector = [],
use_labelled_svg: bool = True,
**kwargs
):
# Combine multi-string arg, but mark them to isolate
if len(tex_strings) > 1:
if isinstance(isolate, (str, re.Pattern, tuple)):
isolate = [isolate]
isolate = [*isolate, *tex_strings]
tex_string = " ".join(tex_strings)
# Prevent from passing an empty string.
if not tex_string.strip():
tex_string = R"\\"
self.tex_string = tex_string
self.alignment = alignment
self.template = template
self.additional_preamble = additional_preamble
self.tex_to_color_map = dict(**t2c, **tex_to_color_map)
super().__init__(tex_string, use_labelled_svg=use_labelled_svg, **kwargs)
super().__init__(
tex_string,
use_labelled_svg=use_labelled_svg,
isolate=isolate,
**kwargs
)
self.set_color_by_tex_to_color_map(self.tex_to_color_map)
self.scale(SCALE_FACTOR_PER_FONT_POINT * font_size)