Mirage2/src/core/widgets/image_view.py

130 lines
3.9 KiB
Python

# Python imports
from os.path import getsize
import inspect
# Lib imports
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('GdkPixbuf', '2.0')
from gi.repository import Gtk
from gi.repository import GdkPixbuf
from gi.repository.GLib import Bytes
try:
from PIL import Image as PImage
logger.debug("Pillow library exists. Loading PIL as PImage...")
except Exception as e:
logger.debug("No Pillow library found. Loading PImage as None...")
PImage = None
# Application imports
from .image_view_mixin import ImageViewMixin
class ImageView(ImageViewMixin, Gtk.Image):
def __init__(self):
super(ImageView, self).__init__()
self.pixbuff = None
self.work_pixbuff = None
self.fit_to_win = True
self.animation = None
self.playing_animation = False
self._setup_styling()
self._setup_signals()
self._subscribe_to_events()
self._load_widgets()
self.show_all()
def _setup_styling(self):
...
def _setup_signals(self):
...
def _subscribe_to_events(self):
event_system.subscribe("size_allocate", self._size_allocate)
event_system.subscribe("handle_file_from_dnd", self._handle_file_from_dnd)
event_system.subscribe("get_active_image_path", self._get_active_image_path)
event_system.subscribe("zoom_out", self._zoom_out)
event_system.subscribe("rotate_left", self._rotate_left)
event_system.subscribe("vertical_flip", self._vertical_flip)
event_system.subscribe("scale_1_two_1", self._scale_1_two_1)
event_system.subscribe("fit_to_container", self._fit_to_container)
event_system.subscribe("horizontal_flip", self._horizontal_flip)
event_system.subscribe("rotate_right", self._rotate_right)
event_system.subscribe("zoom_in", self._zoom_in)
def _load_widgets(self):
...
def _handle_file_from_dnd(self, path = None):
logger.debug(f"Loading image from: {path}")
self.load_path(path)
if self.animation:
self._play_animation()
def load_path(self, path):
self.pixbuff = None
self.work_pixbuff = None
self.animation = None
self._stop_animation()
if path.endswith(".gif"):
self.set_as_gif(path)
return
if PImage and path.endswith(".webp"):
self.set_as_webp(path)
if not self.work_pixbuff:
self.set_as_static(path)
self.pixbuff = self.work_pixbuff.copy()
self.pixbuff.path = path
width = self.pixbuff.get_width()
height = self.pixbuff.get_height()
size = sizeof_fmt( getsize(path) )
path = f"{path} | {width} x {height} | {size}"
event_system.emit("update_path_label", (path,))
if self.fit_to_win:
self._fit_to_container()
else:
self._scale_1_two_1()
def set_as_gif(self, path):
image = None
try:
image = GdkPixbuf.PixbufAnimation.new_from_file(path)
except Exception:
image = GdkPixbuf.PixbufAnimation.new_from_resource(path)
self.animation = image.get_iter()
def set_as_static(self, path):
try:
self.work_pixbuff = Gtk.Image.new_from_file(path).get_pixbuf()
except Exception:
self.work_pixbuff = Gtk.Image.new_from_resource(path).get_pixbuf()
def set_as_webp(self, path):
self.work_pixbuff = self.image2pixbuf(path)
@staticmethod
def image2pixbuf(path):
"""Convert Pillow image to GdkPixbuf"""
im = PImage.open(path)
data = im.tobytes()
data = Bytes.new(data)
w, h = im.size
return GdkPixbuf.Pixbuf.new_from_bytes(data, GdkPixbuf.Colorspace.RGB,
False, 8, w, h, w * 3)