476 lines
17 KiB
Python
476 lines
17 KiB
Python
import collections
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import cv2
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import gettext
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from itertools import count
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import os
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from send2trash import send2trash
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import signal
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import sys
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import time
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import tomllib
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import tkinter as tk
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from tkinter import filedialog, messagebox
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import numpy as np
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running_from_folder = os.path.realpath(__file__)
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alphabet = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
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next_letter = 'A'
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# l10n
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LOCALE = os.getenv('LANG', 'en_EN')
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_ = gettext.translation('template', localedir='locales', languages=[LOCALE]).gettext
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# Config
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# defaults
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project_settings_defaults = {
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# gphoto2 = 0, picam = 1, webcam = 2
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'camera_type': 0,
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'file_extension':'JPG',
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'trigger_mode': 'key',
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'projects_folder': '',
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# ~ 'project_letter': 'A'
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'onion_skin_onstartup' : False,
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'onionskin_alpha_default' : 0.4,
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'onionskin_fx' : False,
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'fullscreen_bool' : True,
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'screen_w' : 1920,
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'screen_h' : 1080,
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'framerate' : 16,
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'vflip' : False,
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'hflip' : False,
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'export_options' : 'scale=1920:-1,crop=1920:1080:0:102',
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'cache_images' : False,
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'liveview' : False,
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}
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# Load from file
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config_locations = ["./", "~/.", "~/.config/"]
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config_found_msg = _("No configuration file found, using defaults.")
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project_settings = project_settings_defaults
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for location in config_locations:
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# Optional config files, ~ is expanded to $HOME on *nix, %USERPROFILE% on windows
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if os.path.exists( os.path.expanduser(os.path.join(location, 'config.toml'))):
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with open(os.path.expanduser(location + 'config.toml'), 'rb') as config_file:
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project_settings = tomllib.load(config_file)
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if 'CHECK' in project_settings:
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camera_status = project_settings['CHECK']
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if 'CAMERA' in project_settings:
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camera_settings = project_settings['CAMERA']
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if 'DEFAULT' in project_settings:
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project_settings = project_settings['DEFAULT']
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config_found_msg = _("Found configuration file in {}").format(os.path.expanduser(location))
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print(config_found_msg)
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# Create blank image with 0s
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blank_image = np.zeros((project_settings['screen_h'], project_settings['screen_w'],3), np.uint8)
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# Set all pixels to light grey
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blank_image[:,0:] = 200
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font = cv2.FONT_HERSHEY_SIMPLEX
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cv2.putText(blank_image,_("Pas d'image"),(int(project_settings['screen_w']/3),int(project_settings['screen_h']/2)), font, 4, (100, 100, 100), 8, cv2.LINE_AA)
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def find_letter_after(letter:str):
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if letter in alphabet and alphabet.index(letter) < len(alphabet) - 1:
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return alphabet[alphabet.index(letter) + 1]
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else:
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return False
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def get_projects_folder():
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if len(projects_folder):
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project_folder = projects_folder
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else:
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# Get user folder
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project_folder = os.path.expanduser('~')
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# If a project folder is defined in settings, use it
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if project_settings['projects_folder'] != '':
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subfolder = project_settings['projects_folder']
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else:
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# If it doesn't exist, use a default name
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subfolder = 'Stopmotion Projects'
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project_folder = os.path.join(project_folder, subfolder)
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# Create folder if it doesn't exist
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if os.path.exists(project_folder) == False:
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os.mkdir(project_folder)
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else:
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if not os.path.isdir(project_folder):
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# If file exists but is not a folder, can't create it, abort
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return False
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return project_folder
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def get_session_folder():
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project_folder = get_projects_folder()
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if project_folder:
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sessions_list = []
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dir_list = os.listdir(project_folder)
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# Filter folders with name only one char long
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for dir in dir_list:
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if len(dir) == 1 and dir in alphabet:
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sessions_list.append(dir)
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# If folders exist, find last folder in alphabetical order
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if len(sessions_list):
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sessions_list.sort()
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last_letter = sessions_list[-1]
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# By default, find next letter for a new session
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next_letter = find_letter_after(last_letter)
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if next_letter is False:
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return False
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# A previous session folder was found; ask the user if they wish to resume session
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resume_session = tk.messagebox.askyesno(_("Resume session?"), _("A previous session was found in {}, resume shooting ?").format(os.path.join(project_folder, last_letter)))
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if resume_session:
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next_letter = last_letter
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else:
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next_letter = 'A'
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if os.path.exists(os.path.join(project_folder, next_letter)) is False:
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os.mkdir(os.path.join(project_folder, next_letter))
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print(_("Using {} as session folder.").format(os.path.join(project_folder, next_letter)))
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return os.path.join(project_folder, next_letter)
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return False
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def get_frames_list(folder:str):
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# Get JPG files list in current directory
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# ~ existing_animation_files = []
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# ~ if not len(img_list):
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existing_animation_files = img_list
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# ~ existing_animation_files =
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file_list = os.listdir(folder)
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for file in file_list:
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if (file.startswith(project_letter) and file.endswith(project_settings['file_extension'])):
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if file not in existing_animation_files:
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existing_animation_files.append(file)
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# ~ existing_animation_files[file] = None
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if len(existing_animation_files) == 0:
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# If no images were found, return fake name set to -001 to init file count to 000
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return ["{}.{:04d}.{}".format(next_letter, -1, project_settings['file_extension'])]
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# ~ return {"{}.{:04d}.{}".format(project_letter, -1, project_settings['file_extension']):None}
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# ~ else:
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# Remove fake file name as soon as we have real pics
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# ~ if 'A.-001.JPG' in existing_animation_files:
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# ~ existing_animation_files.pop('A.-001.JPG')
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existing_animation_files.sort()
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# ~ existing_animation_files = collections.OrderedDict(sorted(existing_animation_files.items()))
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return existing_animation_files
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def get_last_frame(folder:str):
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# Refresh file list
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existing_animation_files = get_frames_list(folder)
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# Get last file
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# Filename pattern is A.0001.JPG
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return existing_animation_files[-1].split('.')
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# ~ print(next(reversed(existing_animation_files.keys())))
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# ~ return next(reversed(existing_animation_files.keys())).split('.')
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def get_onionskin_frame(folder:str, index=None):
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prev_image = get_last_frame(folder)
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prev_image = '.'.join(prev_image)
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if os.path.exists( os.path.expanduser(os.path.join(savepath, prev_image))):
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frm = cv2.imread(os.path.join(savepath, prev_image))
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frm = cv2.resize(frm, (project_settings['screen_w'], project_settings['screen_h']))
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# Imge does not exist, load blank image
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else:
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frm = blank_image
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return frm
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def return_next_frame_number(last_frame_name):
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prefix, filecount, ext = last_frame_name
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filename = '.{:04d}.'.format(int(filecount)+1)
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# ~ filename = (".%04i." % x for x in count(int(filecount) + 1))
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# ~ return prefix + next(filename) + ext
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return prefix + filename + ext
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def update_image(img_list, img_index):
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if len(img_list) == 0:
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return 0
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img_filename = img_list[img_index]
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if os.path.exists( os.path.expanduser(os.path.join(savepath, img_filename))):
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img = cv2.imread(os.path.join(savepath, img_filename))
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img = cv2.resize(img, (project_settings['screen_w'], project_settings['screen_h']))
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else:
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img = blank_image
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return img
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def next_frame(img_index, loop=True):
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img_index = check_range(img_index+1, loop)
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return img_index, update_image(img_list, img_index)
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def previous_frame(img_index):
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img_index = check_range(img_index-1)
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return img_index, update_image(img_list, img_index)
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def clean_img_list(folder_path):
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# Check file in dict exists, else remove it
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file_list = os.listdir(folder_path)
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# Iterate over copy of dict to avoid OOR error
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img_list_copy = img_list
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for file in img_list_copy:
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if file not in file_list:
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img_list.remove(file)
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def check_range(x, loop=True):
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if x < 0:
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if loop:
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return len(img_list)-1
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else:
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return 0
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elif x >= len(img_list)-1:
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if loop:
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return 0
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else:
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return len(img_list)-1
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else:
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return x
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def batch_rename(folder:str):
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# initialize counter to 0
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frame_list = get_frames_list(folder)
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counter = (".%04i." % x for x in count(0))
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# ~ for i in range(len(frame_list)):
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for i in frame_list:
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# ~ if os.path.exists(os.path.realpath(frame_list[i])):
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if os.path.exists(os.path.join(folder, i)):
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# ~ os.rename(os.path.realpath(frame_list[i]), os.path.realpath("{}{}{}".format(project_settings['project_letter'], next(counter), project_settings['file_extension'])))
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os.rename(os.path.join(folder, i), os.path.join(folder, "{}{}{}".format(project_letter, next(counter), project_settings['file_extension'])))
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# ~ print(os.path.join(folder, "{}{}{}".format(project_letter, next(counter), project_settings['file_extension'])))
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else:
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print(_("{} does not exist").format(str(i)))
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return get_frames_list(folder)
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def offset_dictvalues(from_index=0):
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dict_copy = dict(img_list)
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for i in range(from_index, len(dict_copy)):
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if i < len(img_list)-1:
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img_list[list(img_list.keys())[i]] = list(img_list.values())[i+1]
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else:
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img_list[list(img_list.keys())[i]] = None
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def remove_frame(img_list, img_index):
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if len(img_list):
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folder_path = os.path.realpath(savepath)
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frame_name = img_list[img_index]
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# ~ frame_path = os.path.realpath(frame_name)
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frame_path = os.path.join(folder_path, frame_name)
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if not os.path.exists(frame_path):
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return img_index, blank_image
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print(_("Removing {}").format(frame_path))
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# trash file
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send2trash(frame_path)
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# remove entry from dict
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img_list.remove(frame_name)
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# offset cached images
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# ~ offset_dictvalues(img_index)
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# rename files and get new list
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img_list = batch_rename(folder_path)
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clean_img_list(folder_path)
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# update index if possible
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img_index = check_range(img_index, False)
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# update display
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return img_index, update_image(img_list, img_index)
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else:
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return 0, blank_image
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def playback_animation(img_list, img_index):
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# save onionskin state
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if onionskin:
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onionskin = False
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onionskin_was_on = True
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# ~ index = 0
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# Play all frames
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# ~ while index < len(img_list):
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# ~ print(img_list[index])
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# ~ img = update_image(img_list, index)
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# ~ cv2.imshow("StopiCV", img)
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# ~ time.sleep(.5)
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# ~ index += 1
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for file in img_list:
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img = update_image(img_list, img_list.index(file))
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print(str(img_list.index(file)) + " : " + file )
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cv2.imshow("StopiCV", img)
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time.sleep(.5)
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# Restore previous frame
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print(img_index)
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frame_before_playback = update_image(img_list, img_index)
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# ~ cv2.imshow("StopiCV", img)
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# Restore onionskin
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if 'onionskin_was_on' in locals():
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onionskin = True
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# Restore index
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return img_index, frame_before_playback
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def testDevice(source):
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cap = cv2.VideoCapture(source)
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if cap is None or not cap.isOpened():
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print(_("Warning: unable to open video source: {}").format(source))
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return False
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cap.release()
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return True
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def signal_handler(sig, frame):
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global ctrlc_pressed
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ctrlc_pressed = True
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def main(args):
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global onionskin, playback, loop_playback, playhead, index
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if not testDevice(0):
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print(_("No camera device found. Exiting..."))
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return 1
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cam = cv2.VideoCapture(0)
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cam.set(cv2.CAP_PROP_FRAME_WIDTH, 1280)
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cam.set(cv2.CAP_PROP_FRAME_HEIGHT, 720)
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cv2.namedWindow("StopiCV", cv2.WINDOW_GUI_NORMAL)
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cv2.setWindowProperty("StopiCV", cv2.WND_PROP_OPENGL, cv2.WINDOW_OPENGL)
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cv2.setWindowProperty("StopiCV", cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN)
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cv2.setWindowProperty("StopiCV", cv2.WND_PROP_ASPECT_RATIO, cv2.WINDOW_KEEPRATIO)
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frame = get_onionskin_frame(savepath, index)
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while True:
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if playback:
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if onionskin:
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onionskin = False
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onionskin_was_on = True
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# Play all frames
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if playhead < len(img_list)-1:
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playhead, img = next_frame(playhead, loop_playback)
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cv2.imshow("StopiCV", img)
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time.sleep(1.0/project_settings['framerate'])
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else:
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playhead = index
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img = update_image(img_list, index)
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playback = False
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# Restore onionskin
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if 'onionskin_was_on' in locals():
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onionskin = True
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loop_playback = False
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if onionskin:
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ret, overlay = cam.read()
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og_frame = overlay
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# Resize preview
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overlay = cv2.resize(overlay, (project_settings['screen_w'], project_settings['screen_h']))
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# ~ if overlay is not None:
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overlay = cv2.addWeighted(frame, 1.0, overlay, project_settings['onionskin_alpha_default'], 0)
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# Flip preview (0 = vert; 1 = hor)
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if project_settings['vflip'] or project_settings['hflip']:
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if project_settings['vflip'] and project_settings['hflip']:
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flip_dir = -1
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elif project_settings['vflip']:
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flip_dir = 0
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elif project_settings['hflip']:
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flip_dir = 1
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frame = cv2.flip(overlay, flip_dir)
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if not ret:
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print(_("Failed to grab frame."))
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break
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cv2.imshow("StopiCV", overlay)
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if not playback and not onionskin:
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cv2.imshow("StopiCV", frame)
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k = cv2.waitKey(1)
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# Key o
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if (k%256 == 111) or (k%256 == 47):
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# Toggle onionskin
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onionskin = not onionskin
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# Key left
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elif (k%256 == 81) or (k%256 == 52):
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# Displau previous frame
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print("Left")
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if len(img_list):
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if playback:
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playback = False
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index, frame = previous_frame(index)
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print("L: {}".format(index))
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elif (k%256 == 83) or (k%256 == 54):
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# Displau next frame
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print("Right")
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if len(img_list):
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if playback:
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playback = False
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index, frame = next_frame(index)
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print("R: {}".format(index))
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# Key e / keypad *
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elif (k%256 == 101) or (k%256 == 42):
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# TODO : Export
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print("Export")
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# Key Return
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elif (k%256 == 13):
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# TODO : Playback
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print("Playback")
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playhead = index
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loop_playback = True
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playback = not playback
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# Key remove frame - backspace, del, numpad_minus
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elif (k%256 == 8) or (k%256 == 45) or (k == 255):
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# Remove frame
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print("Remove frame")
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index, frame = remove_frame(img_list, index)
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# Quit app
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elif k%256 == 27:
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# ESC pressed
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print(_("Escape hit, exiting..."))
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break
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elif ctrlc_pressed:
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print(_("Ctrl-C hit, exiting..."))
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break
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elif cv2.getWindowProperty("StopiCV", cv2.WND_PROP_VISIBLE) < 1:
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print(_("Window was closed, exiting..."))
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break
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# Take pic
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elif (k%256 == 32) or (k%256 == 48):
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# SPACE pressed
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img_name = return_next_frame_number(get_last_frame(savepath))
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img_path = os.path.join(savepath, img_name)
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cv2.imwrite(img_path, og_frame)
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print(_("File {} written.").format(img_path))
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if len(img_list) and (img_list[index] == 'A.-001.png'):
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img_list[index] = img_name
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else:
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index += 1
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frame = get_onionskin_frame(savepath, index)
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# TODO : go back to last frame ?
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# REMOVE : Debug print keycode
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elif k==-1: # normally -1 returned,so don't print it
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continue
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else:
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print(k) # else print its value
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cam.release()
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cv2.destroyAllWindows()
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ctrlc_pressed = False
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projects_folder = project_settings['projects_folder']
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img_list = []
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savepath = get_session_folder()
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onionskin = project_settings['onion_skin_onstartup']
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playback = False
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playhead = 0
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loop_playback = True
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if len(savepath):
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project_letter = savepath.split(os.sep)[-1]
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else:
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project_letter = 'A'
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img_list = get_frames_list(savepath)
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index = len(img_list)-1
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print(index)
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if __name__ == '__main__':
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signal.signal(signal.SIGINT, signal_handler)
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sys.exit(main(sys.argv[1:]))
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