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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
import bpy
import os
import tempfile
from os.path import dirname, join, isfile, basename, normpath
import urllib.parse
import re
from ...io.imp.gltf2_io_binary import BinaryData
from io_scene_gltf2.io.imp.gltf2_io_user_extensions import import_user_extensions
# Note that Image is not a glTF2.0 object
class BlenderImage():
"""Manage Image."""
def __new__(cls, *args, **kwargs):
raise RuntimeError("%s should not be instantiated" % cls)
@staticmethod
def create(gltf, img_idx):
"""Image creation."""
img = gltf.data.images[img_idx]
if img.blender_image_name is not None:
# Image is already used somewhere
return
import_user_extensions('gather_import_image_before_hook', gltf, img)
if img.uri is not None and not img.uri.startswith('data:'):
blender_image = create_from_file(gltf, img_idx)
else:
blender_image = create_from_data(gltf, img_idx)
if blender_image:
img.blender_image_name = blender_image.name
import_user_extensions('gather_import_image_after_hook', gltf, img, blender_image)
def create_from_file(gltf, img_idx):
# Image stored in a file
num_images = len(bpy.data.images)
img = gltf.data.images[img_idx]
path = join(dirname(gltf.filename), _uri_to_path(img.uri))
path = os.path.abspath(path)
if bpy.data.is_saved and bpy.context.preferences.filepaths.use_relative_paths:
try:
path = bpy.path.relpath(path)
except:
# May happen on Windows if on different drives, eg. C:\ and D:\
pass
img_name = img.name or basename(path)
try:
blender_image = bpy.data.images.load(
path,
check_existing=True,
)
needs_pack = gltf.import_settings['import_pack_images']
if needs_pack:
blender_image.pack()
except RuntimeError:
gltf.log.error("Missing image file (index %d): %s" % (img_idx, path))
blender_image = _placeholder_image(img_name, os.path.abspath(path))
if len(bpy.data.images) != num_images: # If created a new image
blender_image.name = img_name
return blender_image
def create_from_data(gltf, img_idx):
# Image stored as data => pack
img_data = BinaryData.get_image_data(gltf, img_idx)
if img_data is None:
return
img_name = 'Image_%d' % img_idx
# Create image, width and height are dummy values
blender_image = bpy.data.images.new(img_name, 8, 8)
# Set packed file data
blender_image.pack(data=img_data.tobytes(), data_len=len(img_data))
blender_image.source = 'FILE'
return blender_image
def _placeholder_image(name, path):
image = bpy.data.images.new(name, 128, 128)
# allow the path to be resolved later
image.filepath = path
image.source = 'FILE'
return image
def _uri_to_path(uri):
uri = urllib.parse.unquote(uri)
return normpath(uri)
|
