blob: 42f6d5d76e29cf8d33cb262f66439874c6bb4404 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
# Copyright 2018 The glTF-Blender-IO 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
#
# 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.
import typing
import array
from io_scene_gltf2.io.com import gltf2_io_constants
class BinaryData:
"""Store for gltf binary data that can later be stored in a buffer."""
def __init__(self, data: bytes):
if not isinstance(data, bytes):
raise TypeError("Data is not a bytes array")
self.data = data
@classmethod
def from_list(cls, lst: typing.List[typing.Any], gltf_component_type: gltf2_io_constants.ComponentType):
format_char = gltf2_io_constants.ComponentType.to_type_code(gltf_component_type)
return BinaryData(array.array(format_char, lst).tobytes())
@property
def byte_length(self):
return len(self.data)
|