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support <line> tag in SVG

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This commit is contained in:
TonyCrane
2022-01-27 17:23:58 +08:00
parent f0160822ba
commit aa135280ac
1 changed files with 15 additions and 2 deletions
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17
manimlib/mobject/svg/svg_mobject.py
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@ -13,6 +13,7 @@ from tinycss2 import parse_stylesheet, parse_declaration_list
from manimlib.constants import ORIGIN, UP, DOWN, LEFT, RIGHT, IN
from manimlib.constants import DEGREES, PI
from manimlib.mobject.geometry import Line
from manimlib.mobject.geometry import Circle
from manimlib.mobject.geometry import Rectangle
from manimlib.mobject.geometry import RoundedRectangle
@ -174,6 +175,8 @@ class SVGMobject(VMobject):
))
elif tag == 'use':
result += self.use_to_mobjects(element, style)
elif tag == 'line':
result.append(self.line_to_mobject(element, style))
elif tag == 'rect':
result.append(self.rect_to_mobject(element, style))
elif tag == 'circle':
@ -186,8 +189,8 @@ class SVGMobject(VMobject):
pass
else:
log.warning(f"Unsupported element type: {tag}")
pass # TODO, support <line> and <text> tag
result = [m.insert_n_curves(0) for m in result if m is not None]
pass # TODO, support <text> tag
result = [m for m in result if m is not None]
self.handle_transforms(element, VGroup(*result))
if len(result) > 1 and not self.unpack_groups:
result = [VGroup(*result)]
@ -314,6 +317,16 @@ class SVGMobject(VMobject):
mob.shift(mob.get_center() - mob.get_corner(UP + LEFT))
return mob
def line_to_mobject(self, line_element, style):
x1, y1, x2, y2 = (
self.attribute_to_float(line_element.get(key, "0.0"))
for key in ("x1", "y1", "x2", "y2")
)
return Line(
[x1, -y1, 0], [x2, -y2, 0],
**parse_style(style, self.generate_default_style())
)
def handle_transforms(self, element, mobject):
x, y = (