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from __future__ import annotations |
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from abc import ABCMeta |
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from manim import config |
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from manim.mobject.opengl.opengl_mobject import OpenGLMobject |
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from manim.mobject.opengl.opengl_point_cloud_mobject import OpenGLPMobject |
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from manim.mobject.opengl.opengl_three_dimensions import OpenGLSurface |
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from manim.mobject.opengl.opengl_vectorized_mobject import OpenGLVMobject |
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from ...constants import RendererType |
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__all__ = ["ConvertToOpenGL"] |
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class ConvertToOpenGL(ABCMeta): |
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"""Metaclass for swapping (V)Mobject with its OpenGL counterpart at runtime |
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depending on config.renderer. This metaclass should only need to be inherited |
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on the lowest order inheritance classes such as Mobject and VMobject. |
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""" |
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_converted_classes = [] |
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def __new__(mcls, name, bases, namespace): |
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if config.renderer == RendererType.OPENGL: |
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base_names_to_opengl = { |
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"Mobject": OpenGLMobject, |
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"VMobject": OpenGLVMobject, |
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"PMobject": OpenGLPMobject, |
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"Mobject1D": OpenGLPMobject, |
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"Mobject2D": OpenGLPMobject, |
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"Surface": OpenGLSurface, |
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} |
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bases = tuple( |
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base_names_to_opengl.get(base.__name__, base) for base in bases |
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) |
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return super().__new__(mcls, name, bases, namespace) |
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def __init__(cls, name, bases, namespace): |
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super().__init__(name, bases, namespace) |
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cls._converted_classes.append(cls) |
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