#-----------------------------------------------------------------------------
# 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.
#-----------------------------------------------------------------------------
'''

'''
#-----------------------------------------------------------------------------
# Boilerplate
#-----------------------------------------------------------------------------
from __future__ import annotations

import logging # isort:skip
log = logging.getLogger(__name__)

#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
# Bokeh imports
from ...core.properties import (
    Bool,
    Float,
    Instance,
    InstanceDefault,
    Override,
)
from ..tiles import TileSource, WMTSTileSource
from .renderer import Renderer

#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------

__all__ = (
    "TileRenderer",
)

#-----------------------------------------------------------------------------
# General API
#-----------------------------------------------------------------------------

class TileRenderer(Renderer):
    '''

    '''

    # explicit __init__ to support Init signatures
    def __init__(self, *args, **kwargs) -> None:
        super().__init__(*args, **kwargs)

    tile_source = Instance(TileSource, default=InstanceDefault(WMTSTileSource), help="""
    Local data source to use when rendering glyphs on the plot.
    """)

    alpha = Float(1.0, help="""
    tile opacity 0.0 - 1.0
    """)

    smoothing = Bool(default=True, help="""
    Enable image smoothing for the rendered tiles.
    """)

    render_parents = Bool(default=True, help="""
    Flag enable/disable drawing of parent tiles while waiting for new tiles to arrive. Default value is True.
    """)

    level = Override(default="image")

#-----------------------------------------------------------------------------
# Dev API
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Private API
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------