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# Copyright (c) Meta Platforms, Inc. and affiliates.
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
from __future__ import annotations
from abc import abstractmethod
from typing import Tuple
from animated_drawings.config import ViewConfig
class View:
"""
Base View class which all other Views must be derived.
Views are responsible for controlling what is and isn't visible to them.
Views are responsible for initiating the 'draw' methods for each object which they want to render.
"""
def __init__(self, cfg: ViewConfig):
self.cfg: ViewConfig = cfg
pass
@abstractmethod
def render(self, scene) -> None: # pyright: ignore[reportUnknownParameterType,reportMissingParameterType]
""" Called by the controller to render the scene. """
@abstractmethod
def clear_window(self) -> None:
""" Clear output from previous render loop. """
@abstractmethod
def cleanup(self) -> None:
""" Cleanup after render loop is finished. """
@abstractmethod
def get_framebuffer_size(self) -> Tuple[int, int]:
""" Return (width, height) of framebuffer. """
@staticmethod
def create_view(view_cfg: ViewConfig) -> View:
""" Takes in a view dictionary from mvc config file and returns the appropriate view. """
# create view
if view_cfg.use_mesa:
from animated_drawings.view.mesa_view import MesaView
return MesaView(view_cfg)
else:
from animated_drawings.view.window_view import WindowView
return WindowView(view_cfg)
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