Source code for bokeh.models.canvas
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# Copyright (c) Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
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# Boilerplate
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from __future__ import annotations
import logging # isort:skip
log = logging.getLogger(__name__)
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# Imports
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# Standard library imports
from typing import Any
# Bokeh imports
from ..core.enums import OutputBackend
from ..core.property.enum import Enum
from ..core.property.primitive import Bool
from .ui import UIElement
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# Globals and constants
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__all__ = (
"Canvas",
)
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# General API
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[docs]
class Canvas(UIElement):
""" """
# explicit __init__ to support Init signatures
def __init__(self, *args: Any, **kwargs: Any) -> None:
super().__init__(*args, **kwargs)
hidpi = Bool(default=True, help="""
Whether to use HiDPI mode when available.
""")
output_backend = Enum(OutputBackend, default="canvas", help="""
Specify the output backend for the plot area. Default is HTML5 Canvas.
.. note::
When set to ``webgl``, glyphs without a WebGL rendering implementation
will fall back to rendering onto 2D canvas.
""")
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# Dev API
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# Private API
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# Code
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