def _thumbnail_exists(self, filepath):
''' Checks if the thumbnail for <filepath> already exists.
This function will return False if the thumbnail exists
and it's mTime doesn't match the mTime of <filepath>,
it's size is different from the one specified in the thumbnailer,
or if <force_recreation> is True. '''
if not self.force_recreation:
thumbpath = self._path_to_thumbpath(filepath)
if os.path.isfile(thumbpath):
# Check the thumbnail's stored mTime
try:
with reader.LockedFileIO(thumbpath) as fio:
with Image.open(fio) as img:
info = img.info
stored_mtime = float(info['Thumb::MTime'])
# The source file might no longer exist
file_mtime = os.path.isfile(filepath) and os.stat(
filepath).st_mtime or stored_mtime
return stored_mtime == file_mtime and \
max(*img.size) == max(self.width, self.height)
except IOError:
return False
else:
return False
else:
return False
def load_pixbuf_size(path, width, height):
''' Loads a pixbuf from a given image file and scale it to fit
inside (width, height). '''
try:
with reader.LockedFileIO(path) as fio:
with Image.open(fio) as im:
im.thumbnail((width, height), resample=Image.BOX)
return pil_to_pixbuf(im, keep_orientation=True)
except:
info, image_width, image_height = GdkPixbuf.Pixbuf.get_file_info(path)
# If we could not get the image info, still try to load
# the image to let GdkPixbuf raise the appropriate exception.
if not info:
pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
# Don't upscale if smaller than target dimensions!
if image_width <= width and image_height <= height:
width, height = image_width, image_height
# Work around GdkPixbuf bug
# https://gitlab.gnome.org/GNOME/gdk-pixbuf/issues/45
# TODO: GIF should be always supported by Pillow.
# Is this workaround really needed?
if info.get_name() == 'gif':
pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
else:
# directly return pixbuf
return GdkPixbuf.Pixbuf.new_from_file_at_size(path, width, height)
return fit_in_rectangle(pixbuf,
width,
height,
scaling_quality=GdkPixbuf.InterpType.BILINEAR)
def get_image_info(path):
'''Return image informations:
(format, width, height)
'''
info = None
try:
with Image.open(reader.LockedFileIO(path)) as im:
return (im.format, ) + im.size
except:
info = GdkPixbuf.Pixbuf.get_file_info(path)
if info[0] is None:
info = None
else:
info = info[0].get_name().upper(), info[1], info[2]
if info is None:
info = (_('Unknown filetype'), 0, 0)
return info
def load_pixbuf_size(path, width, height):
''' Loads a pixbuf from a given image file and scale it to fit
inside (width, height). '''
try:
with reader.LockedFileIO(path) as fio:
with Image.open(fio) as im:
im.thumbnail((width, height), resample=Image.BOX)
return pil_to_pixbuf(im, keep_orientation=True)
except:
info, image_width, image_height = GdkPixbuf.Pixbuf.get_file_info(path)
# If we could not get the image info, still try to load
# the image to let GdkPixbuf raise the appropriate exception.
if not info:
pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
# Don't upscale if smaller than target dimensions!
if image_width <= width and image_height <= height:
width, height = image_width, image_height
return GdkPixbuf.Pixbuf.new_from_file_at_size(path, width, height)
def load_pixbuf(path):
''' Loads a pixbuf from a given image file. '''
enable_anime = prefs['animation mode'] != constants.ANIMATION_DISABLED
try:
with Image.open(reader.LockedFileIO(path)) as im:
# make sure n_frames loaded
im.load()
if enable_anime and getattr(im, 'is_animated', False):
return load_animation(im)
return pil_to_pixbuf(im, keep_orientation=True)
except:
pass
if enable_anime:
pixbuf = GdkPixbuf.PixbufAnimation.new_from_file(path)
if pixbuf.is_static_image():
return pixbuf.get_static_image()
return pixbuf
return GdkPixbuf.Pixbuf.new_from_file(path)
