Module uim.codec.parser.decoder.base
Expand source code
# -*- coding: utf-8 -*-
# Copyright © 2021-23 Wacom Authors. All Rights Reserved.
#
# 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
# limitations under the License.
from abc import ABC
from typing import List, Tuple, Any
class CodecDecoder(ABC):
"""Abstract content parser for the different versions of the Universal Ink Model."""
@classmethod
def __parse_properties__(cls, properties: Any) -> List[Tuple[str, str]]:
prop: List[Tuple[str, str]] = []
for p in properties:
prop.append((p.name, p.value))
return prop
@classmethod
def __decode__(cls, values: List[float], precision: int, resolution: float = 1., start_value: float = 0,
data_type=float) -> List[float]:
factor: float = 10.0 ** precision
converted: List[float] = []
factored_resolution: float = resolution * factor
last: float = start_value if start_value == 0. else float(start_value / (resolution * factor))
for v in values:
v = v / factored_resolution
converted.append(data_type(last + v))
last = converted[-1]
return converted
Classes
class CodecDecoder
-
Abstract content parser for the different versions of the Universal Ink Model.
Expand source code
class CodecDecoder(ABC): """Abstract content parser for the different versions of the Universal Ink Model.""" @classmethod def __parse_properties__(cls, properties: Any) -> List[Tuple[str, str]]: prop: List[Tuple[str, str]] = [] for p in properties: prop.append((p.name, p.value)) return prop @classmethod def __decode__(cls, values: List[float], precision: int, resolution: float = 1., start_value: float = 0, data_type=float) -> List[float]: factor: float = 10.0 ** precision converted: List[float] = [] factored_resolution: float = resolution * factor last: float = start_value if start_value == 0. else float(start_value / (resolution * factor)) for v in values: v = v / factored_resolution converted.append(data_type(last + v)) last = converted[-1] return converted
Ancestors
- abc.ABC
Subclasses