Source code for large_image_source_dummy

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#  Copyright Kitware Inc.
#
#  Licensed under the Apache License, Version 2.0 ( the "License" );
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
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from large_image.constants import SourcePriority
from large_image.tilesource import TileSource

try:
    from importlib.metadata import PackageNotFoundError
    from importlib.metadata import version as _importlib_version
except ImportError:
    from importlib_metadata import PackageNotFoundError
    from importlib_metadata import version as _importlib_version
try:
    __version__ = _importlib_version(__name__)
except PackageNotFoundError:
    # package is not installed
    pass


[docs]class DummyTileSource(TileSource): name = 'dummy' extensions = { None: SourcePriority.MANUAL } def __init__(self, *args, **kwargs): super().__init__() self.tileWidth = 0 self.tileHeight = 0 self.levels = 0 self.sizeX = 0 self.sizeY = 0
[docs] @classmethod def canRead(cls, *args, **kwargs): return True
[docs] def getTile(self, x, y, z, **kwargs): return b''
[docs]def open(*args, **kwargs): """ Create an instance of the module class. """ return DummyTileSource(*args, **kwargs)
[docs]def canRead(*args, **kwargs): """ Check if an input can be read by the module class. """ return DummyTileSource.canRead(*args, **kwargs)