# Copyright 2018 The pybadge Authors
#
# 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
#
#     https://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
# limitations under the License.
"""Measure the width, in pixels, of a  string rendered using DejaVu Sans 110pt.

Contains only an abstract base class.
"""


class TextMeasurer:
    """The abstract base class for text measuring classes."""

    def text_width(self, text: str) -> float:
        """Returns the width, in pixels, of a string in DejaVu Sans 110pt."""
        raise NotImplementedError('text_width not implemented')