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# Copyright 2018-2019 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 bpy
import os
import tempfile
from os.path import dirname, join, isfile, basename, normpath
import urllib.parse
from ...io.imp.gltf2_io_binary import BinaryData
# 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
tmp_file = None
try:
if img.uri is not None and not img.uri.startswith('data:'):
# Image stored in a file
img_from_file = True
path = join(dirname(gltf.filename), _uri_to_path(img.uri))
img_name = basename(path)
if not isfile(path):
gltf.log.error("Missing file (index " + str(img_idx) + "): " + img.uri)
return
else:
# Image stored as data => create a tempfile, pack, and delete file
img_from_file = False
img_data, img_name = BinaryData.get_image_data(gltf, img_idx)
if img_data is None:
return
tmp_file = tempfile.NamedTemporaryFile(prefix='gltfimg', delete=False)
tmp_file.write(img_data)
tmp_file.close()
path = tmp_file.name
num_images = len(bpy.data.images)
blender_image = bpy.data.images.load(os.path.abspath(path), check_existing=img_from_file)
if len(bpy.data.images) != num_images: # If created a new image
blender_image.name = img_name
if gltf.import_settings['import_pack_images'] or not img_from_file:
blender_image.pack()
img.blender_image_name = blender_image.name
finally:
if tmp_file is not None:
tmp_file.close()
os.remove(tmp_file.name)
def _uri_to_path(uri):
uri = urllib.parse.unquote(uri)
return normpath(uri)
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