Source code for bokeh.models.glyph

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# Copyright (c) 2012 - 2022, 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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''' Display a variety of visual shapes whose attributes can be associated
with data columns from ``ColumnDataSources``.

All these glyphs share a minimal common interface through their base class
``Glyph``:

.. autoclass:: Glyph
    :members:

'''

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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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# Bokeh imports
from ..core.has_props import abstract
from ..core.properties import Instance, List
from ..model import Model
from .graphics import Decoration

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# Globals and constants
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__all__ = (
    'ConnectedXYGlyph',
    'Glyph',
    'XYGlyph',
)

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# General API
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[docs]@abstract class Glyph(Model): ''' Base class for all glyph models. ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) decorations = List(Instance(Decoration), default=[], help=""" A collection of glyph decorations, e.g. arrow heads. Use ``GlyphRenderer.add_decoration()`` for easy setup for all glyphs of a glyph renderer. Use this property when finer control is needed. .. note:: Decorations are only for aiding visual appearance of a glyph, but they don't participate in hit testing, etc. """)
@abstract class XYGlyph(Glyph): ''' Base class of glyphs with `x` and `y` coordinate attributes. ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) @abstract class ConnectedXYGlyph(XYGlyph): ''' Base class of glyphs with `x` and `y` coordinate attributes and a connected topology. ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) @abstract class LineGlyph(Glyph): ''' Glyphs with line properties ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) @abstract class FillGlyph(Glyph): ''' Glyphs with fill properties ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) @abstract class TextGlyph(Glyph): ''' Glyphs with text properties ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) @abstract class HatchGlyph(Glyph): ''' Glyphs with Hatch properties ''' # explicit __init__ to support Init signatures def __init__(self, *args, **kwargs) -> None: super().__init__(*args, **kwargs) #----------------------------------------------------------------------------- # Dev API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Private API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Code #-----------------------------------------------------------------------------