def generate_lower_resolutions_hdr(asset_data, fpath):
'''generates lower resolutions for HDR images'''
hdr = bpy.data.images.load(fpath)
actres = max(hdr.size[0], hdr.size[1])
p2res = paths.round_to_closest_resolution(actres)
original_filesize = os.path.getsize(
fpath) # for comparison on the original level
i = 0
finished = False
files = []
while not finished:
dirn = os.path.dirname(fpath)
fn_strip, ext = os.path.splitext(fpath)
ext = '.exr'
if i > 0:
downscale(hdr)
hdr_resolution_filepath = fn_strip + paths.resolution_suffix[
p2res] + ext
image_utils.img_save_as(hdr,
filepath=hdr_resolution_filepath,
file_format='OPEN_EXR',
quality=20,
color_mode='RGB',
compression=15,
view_transform='Raw',
exr_codec='DWAA')
if os.path.exists(hdr_resolution_filepath):
reduced_filesize = os.path.getsize(hdr_resolution_filepath)
# compare file sizes
print(
f'HDR size was reduced from {original_filesize} to {reduced_filesize}'
)
if reduced_filesize < original_filesize:
# this limits from uploaidng especially same-as-original resolution files in case when there is no advantage.
# usually however the advantage can be big also for same as original resolution
files.append({
"type": p2res,
"index": 0,
"file_path": hdr_resolution_filepath
})
print('prepared resolution file: ', p2res)
if rkeys.index(p2res) == 0:
finished = True
else:
p2res = rkeys[rkeys.index(p2res) - 1]
i += 1
print('uploading resolution files')
upload_resolutions(files, asset_data)
preferences = bpy.context.preferences.addons['blenderkit'].preferences
patch_asset_empty(asset_data['id'], preferences.api_key)
def generate_lower_resolutions(data):
asset_data = data['asset_data']
actres = get_current_resolution()
# first let's skip procedural assets
base_fpath = bpy.data.filepath
s = bpy.context.scene
print('current resolution of the asset ', actres)
if actres > 0:
p2res = paths.round_to_closest_resolution(actres)
orig_res = p2res
print(p2res)
finished = False
files = []
# now skip assets that have lowest possible resolution already
if p2res != [0]:
original_textures_filesize = 0
for i in bpy.data.images:
abspath = bpy.path.abspath(i.filepath)
if os.path.exists(abspath):
original_textures_filesize += os.path.getsize(abspath)
while not finished:
blend_file_name = os.path.basename(base_fpath)
dirn = os.path.dirname(base_fpath)
fn_strip, ext = os.path.splitext(blend_file_name)
fn = fn_strip + paths.resolution_suffix[p2res] + ext
fpath = os.path.join(dirn, fn)
tex_dir_path = paths.get_texture_directory(asset_data,
resolution=p2res)
tex_dir_abs = bpy.path.abspath(tex_dir_path)
if not os.path.exists(tex_dir_abs):
os.mkdir(tex_dir_abs)
reduced_textures_filessize = 0
for i in bpy.data.images:
if i.name != 'Render Result':
print('scaling ', i.name, i.size[0], i.size[1])
fp = get_texture_filepath(tex_dir_path,
i,
resolution=p2res)
if p2res == orig_res:
# first, let's link the image back to the original one.
i['blenderkit_original_path'] = i.filepath
# first round also makes reductions on the image, while keeping resolution
make_possible_reductions_on_image(
i, fp, do_reductions=True, do_downscale=False)
else:
# lower resolutions only downscale
make_possible_reductions_on_image(
i, fp, do_reductions=False, do_downscale=True)
abspath = bpy.path.abspath(i.filepath)
if os.path.exists(abspath):
reduced_textures_filessize += os.path.getsize(
abspath)
i.pack()
# save
print(fpath)
# save the file
bpy.ops.wm.save_as_mainfile(filepath=fpath,
compress=True,
copy=True)
# compare file sizes
print(
f'textures size was reduced from {original_textures_filesize} to {reduced_textures_filessize}'
)
if reduced_textures_filessize < original_textures_filesize:
# this limits from uploaidng especially same-as-original resolution files in case when there is no advantage.
# usually however the advantage can be big also for same as original resolution
files.append({
"type": p2res,
"index": 0,
"file_path": fpath
})
print('prepared resolution file: ', p2res)
if rkeys.index(p2res) == 0:
finished = True
else:
p2res = rkeys[rkeys.index(p2res) - 1]
print('uploading resolution files')
upload_resolutions(files, data)
preferences = bpy.context.preferences.addons[
'blenderkit'].preferences
patch_asset_empty(data['asset_data']['id'], preferences.api_key)
return
