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labelImg.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Human in the loop and annotation tool for EcoAssist (https://github.com/PetervanLunteren/EcoAssist).
# Forked from labelImg (https://github.com/HumanSignal/labelImg).
# Adjusted by Peter van Lunteren
# Latest edit by Peter van Lunteren on 7 Aug 2024
import argparse
import codecs
import os.path
import platform
import shutil
import sys
import webbrowser as wb
from functools import partial
# ADJUSTMENT: import extra packages
import csv # Adjusted by Peter van Lunteren on 6 July 2023
import datetime # Adjusted by Peter van Lunteren on 6 July 2023
from pathlib import Path # Adjusted by Peter van Lunteren on 6 July 2023
import xml.etree.cElementTree as ET # Adjusted by Peter van Lunteren on 1 Aug 2023
from PIL import Image, ImageFile # Adjusted by Peter van Lunteren on 7 Aug 2024
import pickle
try:
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
except ImportError:
# needed for py3+qt4
# Ref:
# http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
# http://stackoverflow.com/questions/21217399/pyqt4-qtcore-qvariant-object-instead-of-a-string
if sys.version_info.major >= 3:
import sip
sip.setapi('QVariant', 2)
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from libs.combobox import ComboBox
from libs.default_label_combobox import DefaultLabelComboBox
from libs.resources import *
from libs.constants import *
from libs.utils import *
from libs.settings import Settings
from libs.shape import Shape, DEFAULT_LINE_COLOR, DEFAULT_FILL_COLOR
from libs.stringBundle import StringBundle
from libs.canvas import Canvas
from libs.zoomWidget import ZoomWidget
from libs.lightWidget import LightWidget
from libs.labelDialog import LabelDialog
from libs.colorDialog import ColorDialog
from libs.labelFile import LabelFile, LabelFileError, LabelFileFormat
from libs.toolBar import ToolBar
from libs.pascal_voc_io import PascalVocReader
from libs.pascal_voc_io import XML_EXT
from libs.yolo_io import YoloReader
from libs.yolo_io import TXT_EXT
from libs.create_ml_io import CreateMLReader
from libs.create_ml_io import JSON_EXT
from libs.ustr import ustr
from libs.hashableQListWidgetItem import HashableQListWidgetItem
__appname__ = 'labelImg'
class WindowMixin(object):
def menu(self, title, actions=None):
menu = self.menuBar().addMenu(title)
if actions:
add_actions(menu, actions)
return menu
def toolbar(self, title, actions=None):
toolbar = ToolBar(title)
toolbar.setObjectName(u'%sToolBar' % title)
# toolbar.setOrientation(Qt.Vertical)
toolbar.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
if actions:
add_actions(toolbar, actions)
self.addToolBar(Qt.LeftToolBarArea, toolbar)
return toolbar
class MainWindow(QMainWindow, WindowMixin):
FIT_WINDOW, FIT_WIDTH, MANUAL_ZOOM = list(range(3))
def __init__(self, file_list_txt, default_filename=None, default_prefdef_class_file=None, default_save_dir=None):
super(MainWindow, self).__init__()
self.setWindowTitle(__appname__)
# ADJUSTMENT: added class variables
self.file_list_txt = file_list_txt # Adjusted by Peter van Lunteren on 6 July 2023
self.file_to_begin_with = self.find_file_to_begin_with() # Adjusted by Peter van Lunteren on 1 Aug 2023
self.start_up_var = True # Adjusted by Peter van Lunteren on 13 July 2023
self.start_up_counter = 0 # Adjusted by Peter van Lunteren on 13 July 2023
self.initial_window_size = (1000, 750) # Adjusted by Peter van Lunteren on 13 July 2023
# Load setting in the main thread
self.settings = Settings()
self.settings.load()
settings = self.settings
self.os_name = platform.system()
# Load string bundle for i18n
self.string_bundle = StringBundle.get_bundle()
get_str = lambda str_id: self.string_bundle.get_string(str_id)
# Save as Pascal voc xml
self.default_save_dir = default_save_dir
self.label_file_format = settings.get(SETTING_LABEL_FILE_FORMAT, LabelFileFormat.PASCAL_VOC)
# For loading all image under a directory
self.m_img_list = []
self.dir_name = None
self.label_hist = []
self.last_open_dir = None
self.cur_img_idx = 0
self.img_count = len(self.m_img_list)
# Whether we need to save or not.
self.dirty = False
self._no_selection_slot = False
self._beginner = True
self.screencast = "https://youtu.be/p0nR2YsCY_U"
# Load predefined classes to the list
self.load_predefined_classes(default_prefdef_class_file)
if self.label_hist:
self.default_label = self.label_hist[0]
else:
print("Not find:/data/predefined_classes.txt (optional)")
# Main widgets and related state.
self.label_dialog = LabelDialog(parent=self, list_item=self.label_hist)
self.items_to_shapes = {}
self.shapes_to_items = {}
self.prev_label_text = ''
list_layout = QVBoxLayout()
list_layout.setContentsMargins(0, 0, 0, 0)
# Create a widget for using default label
self.use_default_label_checkbox = QCheckBox(get_str('useDefaultLabel'))
self.use_default_label_checkbox.setChecked(False)
self.default_label_combo_box = DefaultLabelComboBox(self,items=self.label_hist)
use_default_label_qhbox_layout = QHBoxLayout()
use_default_label_qhbox_layout.addWidget(self.use_default_label_checkbox)
use_default_label_qhbox_layout.addWidget(self.default_label_combo_box)
use_default_label_container = QWidget()
use_default_label_container.setLayout(use_default_label_qhbox_layout)
# Create a widget for edit and diffc button
# self.diffc_button = QCheckBox(get_str('useDifficult')) # ADJUSTMENT: exclude unnecessary buttons
# self.diffc_button.setChecked(False) # Adjusted by Peter van Lunteren on 20 Sept 2023
# self.diffc_button.stateChanged.connect(self.button_state) # Adjusted by Peter van Lunteren on 20 Sept 2023
self.find_next_unverified_button = QPushButton('Jump to unverified image', self) # ADJUSTMENT: add buttons to skip to unverified image
self.find_next_unverified_button.setToolTip('Sometimes it can be difficult to locate ' # Adjusted by Peter van Lunteren on 20 Sept 2023
'images that were accidently left unverified. ' # Adjusted by Peter van Lunteren on 20 Sept 2023
'With this button you can locate them, starting ' # Adjusted by Peter van Lunteren on 20 Sept 2023
'from the beginning.') # Adjusted by Peter van Lunteren on 20 Sept 2023
self.find_next_unverified_button.move(100,70) # Adjusted by Peter van Lunteren on 20 Sept 2023
self.edit_button = QToolButton()
self.edit_button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
# Add some of widgets to list_layout
list_layout.addWidget(self.edit_button)
# list_layout.addWidget(self.diffc_button) # Adjusted by Peter van Lunteren on 20 Sept 2023
list_layout.addWidget(use_default_label_container)
# Create and add combobox for showing unique labels in group
self.combo_box = ComboBox(self)
list_layout.addWidget(self.combo_box)
# Create and add a widget for showing current label items
self.label_list = QListWidget()
label_list_container = QWidget()
label_list_container.setLayout(list_layout)
self.label_list.itemActivated.connect(self.label_selection_changed)
self.find_next_unverified_button.clicked.connect(self.skip_to_next_unverified_file) # Adjusted by Peter van Lunteren on 20 Sept 2023
self.label_list.itemSelectionChanged.connect(self.label_selection_changed)
self.label_list.itemDoubleClicked.connect(self.edit_label)
# Connect to itemChanged to detect checkbox changes.
self.label_list.itemChanged.connect(self.label_item_changed)
list_layout.addWidget(self.label_list)
self.dock = QDockWidget(get_str('boxLabelText'), self)
self.dock.setObjectName(get_str('labels'))
self.dock.setWidget(label_list_container)
self.file_list_widget = QListWidget()
self.file_list_widget.itemDoubleClicked.connect(self.file_item_double_clicked)
file_list_layout = QVBoxLayout()
file_list_layout.setContentsMargins(0, 0, 0, 0)
file_list_layout.addWidget(self.find_next_unverified_button) # Adjusted by Peter van Lunteren on 20 Sept 2023
file_list_layout.addWidget(self.file_list_widget)
file_list_container = QWidget()
file_list_container.setLayout(file_list_layout)
self.file_dock = QDockWidget(get_str('fileList'), self)
self.file_dock.setObjectName(get_str('files'))
self.file_dock.setWidget(file_list_container)
self.zoom_widget = ZoomWidget()
self.light_widget = LightWidget(get_str('lightWidgetTitle'))
self.color_dialog = ColorDialog(parent=self)
self.canvas = Canvas(parent=self)
self.canvas.zoomRequest.connect(self.zoom_request)
self.canvas.lightRequest.connect(self.light_request)
# ADJUSTMENT: exclude the square box feature from options since there was a bug that turned it on accidentally
# self.canvas.set_drawing_shape_to_square(settings.get(SETTING_DRAW_SQUARE, False)) # Adjusted by Peter van Lunteren on 1 Jul 2023
scroll = QScrollArea()
scroll.setWidget(self.canvas)
scroll.setWidgetResizable(True)
self.scroll_bars = {
Qt.Vertical: scroll.verticalScrollBar(),
Qt.Horizontal: scroll.horizontalScrollBar()
}
self.scroll_area = scroll
self.canvas.scrollRequest.connect(self.scroll_request)
self.canvas.newShape.connect(self.new_shape)
self.canvas.shapeMoved.connect(self.set_dirty)
self.canvas.selectionChanged.connect(self.shape_selection_changed)
self.canvas.drawingPolygon.connect(self.toggle_drawing_sensitive)
self.setCentralWidget(scroll)
self.addDockWidget(Qt.RightDockWidgetArea, self.dock)
self.addDockWidget(Qt.RightDockWidgetArea, self.file_dock)
self.file_dock.setFeatures(QDockWidget.DockWidgetFloatable)
self.dock_features = QDockWidget.DockWidgetClosable | QDockWidget.DockWidgetFloatable
self.dock.setFeatures(self.dock.features() ^ self.dock_features)
# Actions
action = partial(new_action, self)
quit = action(get_str('quit'), self.close,
'Ctrl+Q', 'quit', get_str('quitApp'))
open = action(get_str('openFile'), self.open_file,
'Ctrl+O', 'open', get_str('openFileDetail'))
open_dir = action(get_str('openDir'), self.open_dir_dialog,
'Ctrl+u', 'open', get_str('openDir'))
change_save_dir = action(get_str('changeSaveDir'), self.change_save_dir_dialog,
'Ctrl+r', 'open', get_str('changeSavedAnnotationDir'))
open_annotation = action(get_str('openAnnotation'), self.open_annotation_dialog,
'Ctrl+Shift+O', 'open', get_str('openAnnotationDetail'))
copy_prev_bounding = action(get_str('copyPrevBounding'), self.copy_previous_bounding_boxes, 'Ctrl+v', 'copy', get_str('copyPrevBounding'))
open_next_image = action(get_str('nextImg'), self.open_next_image,
'd', 'next', get_str('nextImgDetail'))
open_prev_image = action(get_str('prevImg'), self.open_prev_image,
'a', 'prev', get_str('prevImgDetail'))
verify = action(get_str('verifyImg'), self.verify_image,
'space', 'verify', get_str('verifyImgDetail'))
save = action(get_str('save'), self.save_file,
'Ctrl+S', 'save', get_str('saveDetail'), enabled=False)
def get_format_meta(format):
"""
returns a tuple containing (title, icon_name) of the selected format
"""
if format == LabelFileFormat.PASCAL_VOC:
return '&PascalVOC', 'format_voc'
elif format == LabelFileFormat.YOLO:
return '&YOLO', 'format_yolo'
elif format == LabelFileFormat.CREATE_ML:
return '&CreateML', 'format_createml'
save_format = action(get_format_meta(self.label_file_format)[0],
self.change_format, 'Ctrl+Y',
get_format_meta(self.label_file_format)[1],
get_str('changeSaveFormat'), enabled=True)
save_as = action(get_str('saveAs'), self.save_file_as,
'Ctrl+Shift+S', 'save-as', get_str('saveAsDetail'), enabled=False)
close = action(get_str('closeCur'), self.close_file, 'Ctrl+W', 'close', get_str('closeCurDetail'))
# ADJUSTMENT: exclude image deletion from options
# delete_image = action(get_str('deleteImg'), self.delete_image, 'Ctrl+Shift+D', 'close', get_str('deleteImgDetail')) # Adjusted by Peter van Lunteren on 3 Aug 2023
reset_all = action(get_str('resetAll'), self.reset_all, None, 'resetall', get_str('resetAllDetail'))
color1 = action(get_str('boxLineColor'), self.choose_color1,
'Ctrl+L', 'color_line', get_str('boxLineColorDetail'))
create_mode = action(get_str('crtBox'), self.set_create_mode,
'w', 'new', get_str('crtBoxDetail'), enabled=False)
edit_mode = action(get_str('editBox'), self.set_edit_mode, # ADJUSTMENT: changed edit shortcut to e
's', 'edit', get_str('editBoxDetail'), enabled=False) # Adjusted by Peter van Lunteren on 20 Sept 2023
create = action(get_str('crtBox'), self.create_shape,
'w', 'new', get_str('crtBoxDetail'), enabled=False)
delete = action(get_str('delBox'), self.delete_selected_shape,
'Delete', 'delete', get_str('delBoxDetail'), enabled=False)
copy = action(get_str('dupBox'), self.copy_selected_shape,
'Ctrl+D', 'copy', get_str('dupBoxDetail'),
enabled=False)
advanced_mode = action(get_str('advancedMode'), self.toggle_advanced_mode,
'Ctrl+Shift+A', 'expert', get_str('advancedModeDetail'),
checkable=True)
hide_all = action(get_str('hideAllBox'), partial(self.toggle_polygons, False),
'Ctrl+H', 'hide', get_str('hideAllBoxDetail'),
enabled=False)
show_all = action(get_str('showAllBox'), partial(self.toggle_polygons, True),
'Ctrl+A', 'hide', get_str('showAllBoxDetail'),
enabled=False)
help_default = action(get_str('tutorialDefault'), self.show_default_tutorial_dialog, None, 'help', get_str('tutorialDetail'))
show_info = action(get_str('info'), self.show_info_dialog, None, 'help', get_str('info'))
show_shortcut = action(get_str('shortcut'), self.show_shortcuts_dialog, None, 'help', get_str('shortcut'))
zoom = QWidgetAction(self)
zoom.setDefaultWidget(self.zoom_widget)
self.zoom_widget.setWhatsThis(
u"Zoom in or out of the image. Also accessible with"
" %s and %s from the canvas." % (format_shortcut("Ctrl+[-+]"),
format_shortcut("Ctrl+Wheel")))
self.zoom_widget.setEnabled(False)
zoom_in = action(get_str('zoomin'), partial(self.add_zoom, 10),
'Ctrl++', 'zoom-in', get_str('zoominDetail'), enabled=False)
zoom_out = action(get_str('zoomout'), partial(self.add_zoom, -10),
'Ctrl+-', 'zoom-out', get_str('zoomoutDetail'), enabled=False)
zoom_org = action(get_str('originalsize'), partial(self.set_zoom, 100),
'Ctrl+=', 'zoom', get_str('originalsizeDetail'), enabled=False)
fit_window = action(get_str('fitWin'), self.set_fit_window,
'Ctrl+F', 'fit-window', get_str('fitWinDetail'),
checkable=True, enabled=False)
fit_width = action(get_str('fitWidth'), self.set_fit_width,
'Ctrl+Shift+F', 'fit-width', get_str('fitWidthDetail'),
checkable=True, enabled=False)
# Group zoom controls into a list for easier toggling.
zoom_actions = (self.zoom_widget, zoom_in, zoom_out,
zoom_org, fit_window, fit_width)
self.zoom_mode = self.MANUAL_ZOOM
self.scalers = {
self.FIT_WINDOW: self.scale_fit_window,
self.FIT_WIDTH: self.scale_fit_width,
# Set to one to scale to 100% when loading files.
self.MANUAL_ZOOM: lambda: 1,
}
light = QWidgetAction(self)
light.setDefaultWidget(self.light_widget)
self.light_widget.setWhatsThis(
u"Brighten or darken current image. Also accessible with"
" %s and %s from the canvas." % (format_shortcut("Ctrl+Shift+[-+]"),
format_shortcut("Ctrl+Shift+Wheel")))
self.light_widget.setEnabled(False)
light_brighten = action(get_str('lightbrighten'), partial(self.add_light, 10),
'Ctrl+Shift++', 'light_lighten', get_str('lightbrightenDetail'), enabled=False)
light_darken = action(get_str('lightdarken'), partial(self.add_light, -10),
'Ctrl+Shift+-', 'light_darken', get_str('lightdarkenDetail'), enabled=False)
light_org = action(get_str('lightreset'), partial(self.set_light, 50),
'Ctrl+Shift+=', 'light_reset', get_str('lightresetDetail'), checkable=True, enabled=False)
light_org.setChecked(True)
# Group light controls into a list for easier toggling.
light_actions = (self.light_widget, light_brighten,
light_darken, light_org)
edit = action(get_str('editLabel'), self.edit_label,
'Ctrl+E', 'edit', get_str('editLabelDetail'),
enabled=False)
self.edit_button.setDefaultAction(edit)
shape_line_color = action(get_str('shapeLineColor'), self.choose_shape_line_color,
icon='color_line', tip=get_str('shapeLineColorDetail'),
enabled=False)
shape_fill_color = action(get_str('shapeFillColor'), self.choose_shape_fill_color,
icon='color', tip=get_str('shapeFillColorDetail'),
enabled=False)
labels = self.dock.toggleViewAction()
labels.setText(get_str('showHide'))
labels.setShortcut('Ctrl+Shift+L')
# Label list context menu.
label_menu = QMenu()
add_actions(label_menu, (edit, delete))
self.label_list.setContextMenuPolicy(Qt.CustomContextMenu)
self.label_list.customContextMenuRequested.connect(
self.pop_label_list_menu)
# Draw squares/rectangles
# ADJUSTMENT: exclude the square box feature from options since there was a bug that turned it on accidentally
# self.draw_squares_option = QAction(get_str('drawSquares'), self) # Adjusted by Peter van Lunteren on 1 Jul 2023
# self.draw_squares_option.setShortcut('Ctrl+Shift+R') # Adjusted by Peter van Lunteren on 1 Jul 2023
# self.draw_squares_option.setCheckable(True) # Adjusted by Peter van Lunteren on 1 Jul 2023
# self.draw_squares_option.setChecked(settings.get(SETTING_DRAW_SQUARE, False)) # Adjusted by Peter van Lunteren on 1 Jul 2023
# self.draw_squares_option.triggered.connect(self.toggle_draw_square) # Adjusted by Peter van Lunteren on 1 Jul 2023
# Store actions for further handling.
# ADJUSTMENT: exclude image deletion and save from options
self.actions = Struct(save=save, save_format=save_format, saveAs=save_as, open=open, close=close, resetAll=reset_all, # Adjusted by Peter van Lunteren on 3 Aug 2023
lineColor=color1, create=create, delete=delete, edit=edit, copy=copy,
createMode=create_mode, editMode=edit_mode, advancedMode=advanced_mode,
shapeLineColor=shape_line_color, shapeFillColor=shape_fill_color,
zoom=zoom, zoomIn=zoom_in, zoomOut=zoom_out, zoomOrg=zoom_org,
fitWindow=fit_window, fitWidth=fit_width,
zoomActions=zoom_actions,
lightBrighten=light_brighten, lightDarken=light_darken, lightOrg=light_org,
lightActions=light_actions,
fileMenuActions=(
open, open_dir, save_as, close, reset_all, quit), # Adjusted by Peter van Lunteren on 19 Sept 2023
beginner=(), advanced=(),
editMenu=(edit, copy, delete,
# ADJUSTMENT: exclude the square box feature from options since there was a bug that turned it on accidentally
None, color1), # , self.draw_squares_option), # Adjusted by Peter van Lunteren on 1 Jul 2023
beginnerContext=(create, edit, copy, delete),
advancedContext=(create_mode, edit_mode, edit, copy,
delete, shape_line_color, shape_fill_color),
onLoadActive=(
close, create, create_mode, edit_mode),
onShapesPresent=(save_as, hide_all, show_all))
self.menus = Struct(
file=self.menu(get_str('menu_file')),
edit=self.menu(get_str('menu_edit')),
view=self.menu(get_str('menu_view')),
help=self.menu(get_str('menu_help')),
recentFiles=QMenu(get_str('menu_openRecent')),
labelList=label_menu)
# Auto saving : Enable auto saving if pressing next
self.auto_saving = QAction(get_str('autoSaveMode'), self)
self.auto_saving.setCheckable(True)
self.auto_saving.setChecked(settings.get(SETTING_AUTO_SAVE, False))
# ADJUSTMENT: enable auto save mode by default
self.auto_saving.setChecked(True) # Adjusted by Peter van Lunteren on 03 Aug 2023
# Sync single class mode from PR#106
self.single_class_mode = QAction(get_str('singleClsMode'), self)
self.single_class_mode.setShortcut("Ctrl+Shift+S")
self.single_class_mode.setCheckable(True)
self.single_class_mode.setChecked(settings.get(SETTING_SINGLE_CLASS, False))
self.lastLabel = None
# Add option to enable/disable labels being displayed at the top of bounding boxes
self.display_label_option = QAction(get_str('displayLabel'), self)
self.display_label_option.setShortcut("Ctrl+Shift+P")
self.display_label_option.setCheckable(True)
self.display_label_option.setChecked(settings.get(SETTING_PAINT_LABEL, False))
self.display_label_option.triggered.connect(self.toggle_paint_labels_option)
# add_actions(self.menus.file, # ADJUSTMENT: exclude file options from menu
# (copy_prev_bounding, close, reset_all, quit)) # Adjusted by Peter van Lunteren on 3 Aug 2023
# add_actions(self.menus.help, (help_default, show_info, show_shortcut)) # Adjusted by Peter van Lunteren on 19 Sept 2023
# add_actions(self.menus.view, ( # Adjusted by Peter van Lunteren on 19 Sept 2023
# self.auto_saving, # Adjusted by Peter van Lunteren on 19 Sept 2023
# self.single_class_mode, # Adjusted by Peter van Lunteren on 19 Sept 2023
# self.display_label_option, # Adjusted by Peter van Lunteren on 19 Sept 2023
# labels, advanced_mode, None, # Adjusted by Peter van Lunteren on 19 Sept 2023
# hide_all, show_all, None, # Adjusted by Peter van Lunteren on 19 Sept 2023
# zoom_in, zoom_out, zoom_org, None, # Adjusted by Peter van Lunteren on 19 Sept 2023
# fit_window, fit_width, None, # Adjusted by Peter van Lunteren on 19 Sept 2023
# light_brighten, light_darken, light_org)) # Adjusted by Peter van Lunteren on 19 Sept 2023
self.menus.file.aboutToShow.connect(self.update_file_menu)
# Custom context menu for the canvas widget:
add_actions(self.canvas.menus[0], self.actions.beginnerContext)
add_actions(self.canvas.menus[1], (
action('&Copy here', self.copy_shape),
action('&Move here', self.move_shape)))
self.tools = self.toolbar('Tools')
self.actions.beginner = (
open, open_dir, change_save_dir, open_next_image, open_prev_image, verify, save, save_format, None, create, copy, delete, None,
zoom_in, zoom, zoom_out, fit_window, fit_width, None,
light_brighten, light, light_darken, light_org)
# ADJUSTMENT: exlude unnecessary buttons
self.actions.advanced = ( # Adjusted by Peter van Lunteren on 13 July 2023
open_next_image, open_prev_image, verify, None, # Adjusted by Peter van Lunteren on 13 July 2023
create_mode, edit_mode, delete, None, # Adjusted by Peter van Lunteren on 13 July 2023
zoom_in, zoom, zoom_out, fit_window, None, # Adjusted by Peter van Lunteren on 13 July 2023
light_brighten, light, light_darken, light_org) # Adjusted by Peter van Lunteren on 13 July 2023
# self.actions.advanced = ( # Adjusted by Peter van Lunteren on 13 July 2023
# open, open_dir, change_save_dir, open_next_image, # Adjusted by Peter van Lunteren on 13 July 2023
# open_prev_image, # Adjusted by Peter van Lunteren on 13 July 2023
# save, save_format, None, # Adjusted by Peter van Lunteren on 13 July 2023
# create_mode, edit_mode, None, # Adjusted by Peter van Lunteren on 13 July 2023
# hide_all, show_all) # Adjusted by Peter van Lunteren on 13 July 2023
self.statusBar().showMessage('%s started.' % __appname__)
self.statusBar().show()
# Application state.
self.image = QImage()
self.file_path = ustr(default_filename)
self.last_open_dir = None
self.recent_files = []
self.max_recent = 7
self.line_color = None
self.fill_color = None
self.zoom_level = 100
self.fit_window = False
# Add Chris
self.difficult = False
# Fix the compatible issue for qt4 and qt5. Convert the QStringList to python list
if settings.get(SETTING_RECENT_FILES):
if have_qstring():
recent_file_qstring_list = settings.get(SETTING_RECENT_FILES)
self.recent_files = [ustr(i) for i in recent_file_qstring_list]
else:
self.recent_files = recent_file_qstring_list = settings.get(SETTING_RECENT_FILES)
size = settings.get(SETTING_WIN_SIZE, QSize(600, 500))
position = QPoint(0, 0)
saved_position = settings.get(SETTING_WIN_POSE, position)
# Fix the multiple monitors issue
for i in range(QApplication.desktop().screenCount()):
if QApplication.desktop().availableGeometry(i).contains(saved_position):
position = saved_position
break
self.resize(size)
self.move(position)
save_dir = ustr(settings.get(SETTING_SAVE_DIR, None))
self.last_open_dir = ustr(settings.get(SETTING_LAST_OPEN_DIR, None))
if self.default_save_dir is None and save_dir is not None and os.path.exists(save_dir):
self.default_save_dir = save_dir
self.statusBar().showMessage('%s started. Annotation will be saved to %s' %
(__appname__, self.default_save_dir))
self.statusBar().show()
self.restoreState(settings.get(SETTING_WIN_STATE, QByteArray()))
Shape.line_color = self.line_color = QColor(settings.get(SETTING_LINE_COLOR, DEFAULT_LINE_COLOR))
Shape.fill_color = self.fill_color = QColor(settings.get(SETTING_FILL_COLOR, DEFAULT_FILL_COLOR))
self.canvas.set_drawing_color(self.line_color)
# Add chris
Shape.difficult = self.difficult
def xbool(x):
if isinstance(x, QVariant):
return x.toBool()
return bool(x)
if xbool(settings.get(SETTING_ADVANCE_MODE, False)):
self.actions.advancedMode.setChecked(True)
self.toggle_advanced_mode()
# Populate the File menu dynamically.
self.update_file_menu()
# Since loading the file may take some time, make sure it runs in the background.
if self.file_path and os.path.isdir(self.file_path):
self.queue_event(partial(self.import_dir_images, self.file_path or ""))
elif self.file_path:
self.queue_event(partial(self.load_file, self.file_path or ""))
# Callbacks:
self.zoom_widget.valueChanged.connect(self.paint_canvas)
self.light_widget.valueChanged.connect(self.paint_canvas)
self.populate_mode_actions()
# Display cursor coordinates at the right of status bar
self.label_coordinates = QLabel('')
self.statusBar().addPermanentWidget(self.label_coordinates)
# Open Dir if default file
if self.file_path and os.path.isdir(self.file_path):
self.open_dir_dialog(dir_path=self.file_path, silent=True)
# ADJUSTMENT: set window settings when opening
self.open_next_image() # Adjusted by Peter van Lunteren on 13 July 2023
if self.file_to_begin_with != "": # Adjusted by Peter van Lunteren on 13 July 2023
self.load_file(self.file_to_begin_with) # Adjusted by Peter van Lunteren on 13 July 2023
else: # Adjusted by Peter van Lunteren on 13 July 2023
self.load_file(self.m_img_list[0]) # Adjusted by Peter van Lunteren on 13 July 2023
self.set_fit_window() # Adjusted by Peter van Lunteren on 13 July 2023
self.resize(*self.initial_window_size) # Adjusted by Peter van Lunteren on 13 July 2023
self.toggle_advanced_mode() # Adjusted by Peter van Lunteren on 13 July 2023
self.skip_to_next_unverified_file() # Adjusted by Peter van Lunteren on 20 Sept 2023
QApplication.processEvents() # Adjusted by Peter van Lunteren on 13 July 2023
# ADJUSTMENT: exclude the square box feature from options since there was a bug that turned it on accidentally
# def keyReleaseEvent(self, event): # Adjusted by Peter van Lunteren on 1 Jul 2023
# if event.key() == Qt.Key_Control: # Adjusted by Peter van Lunteren on 1 Jul 2023
# self.canvas.set_drawing_shape_to_square(False) # Adjusted by Peter van Lunteren on 1 Jul 2023
# ADJUSTMENT: exclude the square box feature from options since there was a bug that turned it on accidentally
# def keyPressEvent(self, event): # Adjusted by Peter van Lunteren on 1 Jul 2023
# if event.key() == Qt.Key_Control: # Adjusted by Peter van Lunteren on 1 Jul 2023
# # Draw rectangle if Ctrl is pressed # Adjusted by Peter van Lunteren on 1 Jul 2023
# self.canvas.set_drawing_shape_to_square(True) # Adjusted by Peter van Lunteren on 1 Jul 2023
# ADJUSTMENT: set scroll area to selected list item
def scroll_selected_item_to_view(self): # Adjusted by Peter van Lunteren on 14 Aug 2023
selected_items = self.file_list_widget.selectedItems() # Adjusted by Peter van Lunteren on 14 Aug 2023
if selected_items: # Adjusted by Peter van Lunteren on 14 Aug 2023
self.file_list_widget.scrollToItem(selected_items[0], QAbstractItemView.PositionAtCenter) # Adjusted by Peter van Lunteren on 14 Aug 2023
# Support Functions #
def set_format(self, save_format):
if save_format == FORMAT_PASCALVOC:
self.actions.save_format.setText(FORMAT_PASCALVOC)
self.actions.save_format.setIcon(new_icon("format_voc"))
self.label_file_format = LabelFileFormat.PASCAL_VOC
LabelFile.suffix = XML_EXT
elif save_format == FORMAT_YOLO:
self.actions.save_format.setText(FORMAT_YOLO)
self.actions.save_format.setIcon(new_icon("format_yolo"))
self.label_file_format = LabelFileFormat.YOLO
LabelFile.suffix = TXT_EXT
elif save_format == FORMAT_CREATEML:
self.actions.save_format.setText(FORMAT_CREATEML)
self.actions.save_format.setIcon(new_icon("format_createml"))
self.label_file_format = LabelFileFormat.CREATE_ML
LabelFile.suffix = JSON_EXT
def change_format(self):
if self.label_file_format == LabelFileFormat.PASCAL_VOC:
self.set_format(FORMAT_YOLO)
elif self.label_file_format == LabelFileFormat.YOLO:
self.set_format(FORMAT_CREATEML)
elif self.label_file_format == LabelFileFormat.CREATE_ML:
self.set_format(FORMAT_PASCALVOC)
else:
raise ValueError('Unknown label file format.')
self.set_dirty()
def no_shapes(self):
return not self.items_to_shapes
def toggle_advanced_mode(self, value=True):
self._beginner = not value
self.canvas.set_editing(True)
self.populate_mode_actions()
self.edit_button.setVisible(not value)
if value:
self.actions.createMode.setEnabled(True)
self.actions.editMode.setEnabled(False)
self.dock.setFeatures(self.dock.features() | self.dock_features)
else:
self.dock.setFeatures(self.dock.features() ^ self.dock_features)
def populate_mode_actions(self):
if self.beginner():
tool, menu = self.actions.beginner, self.actions.beginnerContext
else:
tool, menu = self.actions.advanced, self.actions.advancedContext
self.tools.clear()
add_actions(self.tools, tool)
self.canvas.menus[0].clear()
add_actions(self.canvas.menus[0], menu)
self.menus.edit.clear()
actions = (self.actions.create,) if self.beginner()\
else (self.actions.createMode, self.actions.editMode)
add_actions(self.menus.edit, actions + self.actions.editMenu)
def set_beginner(self):
self.tools.clear()
add_actions(self.tools, self.actions.beginner)
def set_advanced(self):
self.tools.clear()
add_actions(self.tools, self.actions.advanced)
def set_dirty(self):
self.dirty = True
self.actions.save.setEnabled(True)
def set_clean(self):
self.dirty = False
self.actions.save.setEnabled(False)
self.actions.create.setEnabled(True)
def toggle_actions(self, value=True):
"""Enable/Disable widgets which depend on an opened image."""
for z in self.actions.zoomActions:
z.setEnabled(value)
for z in self.actions.lightActions:
z.setEnabled(value)
for action in self.actions.onLoadActive:
action.setEnabled(value)
def queue_event(self, function):
QTimer.singleShot(0, function)
def status(self, message, delay=5000):
self.statusBar().showMessage(message, delay)
def reset_state(self):
self.items_to_shapes.clear()
self.shapes_to_items.clear()
self.label_list.clear()
self.file_path = None
self.image_data = None
self.label_file = None
self.canvas.reset_state()
self.label_coordinates.clear()
self.combo_box.cb.clear()
def current_item(self):
items = self.label_list.selectedItems()
if items:
return items[0]
return None
def add_recent_file(self, file_path):
if file_path in self.recent_files:
self.recent_files.remove(file_path)
elif len(self.recent_files) >= self.max_recent:
self.recent_files.pop()
self.recent_files.insert(0, file_path)
def beginner(self):
return self._beginner
def advanced(self):
return not self.beginner()
def show_tutorial_dialog(self, browser='default', link=None):
if link is None:
link = self.screencast
if browser.lower() == 'default':
wb.open(link, new=2)
elif browser.lower() == 'chrome' and self.os_name == 'Windows':
if shutil.which(browser.lower()): # 'chrome' not in wb._browsers in windows
wb.register('chrome', None, wb.BackgroundBrowser('chrome'))
else:
chrome_path="D:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe"
if os.path.isfile(chrome_path):
wb.register('chrome', None, wb.BackgroundBrowser(chrome_path))
try:
wb.get('chrome').open(link, new=2)
except:
wb.open(link, new=2)
elif browser.lower() in wb._browsers:
wb.get(browser.lower()).open(link, new=2)
def show_default_tutorial_dialog(self):
self.show_tutorial_dialog(browser='default')
def show_info_dialog(self):
from libs.__init__ import __version__
msg = u'Name:{0} \nApp Version:{1} \n{2} '.format(__appname__, __version__, sys.version_info)
QMessageBox.information(self, u'Information', msg)
def show_shortcuts_dialog(self):
self.show_tutorial_dialog(browser='default', link='https://github.com/tzutalin/labelImg#Hotkeys')
def create_shape(self):
assert self.beginner()
self.canvas.set_editing(False)
self.actions.create.setEnabled(False)
def toggle_drawing_sensitive(self, drawing=True):
"""In the middle of drawing, toggling between modes should be disabled."""
self.actions.editMode.setEnabled(not drawing)
if not drawing and self.beginner():
# Cancel creation.
print('Cancel creation.')
self.canvas.set_editing(True)
self.canvas.restore_cursor()
self.actions.create.setEnabled(True)
def toggle_draw_mode(self, edit=True):
self.canvas.set_editing(edit)
self.actions.createMode.setEnabled(edit)
self.actions.editMode.setEnabled(not edit)
def set_create_mode(self):
assert self.advanced()
self.toggle_draw_mode(False)
def set_edit_mode(self):
assert self.advanced()
self.toggle_draw_mode(True)
self.label_selection_changed()
def update_file_menu(self):
curr_file_path = self.file_path
def exists(filename):
return os.path.exists(filename)
menu = self.menus.recentFiles
menu.clear()
files = [f for f in self.recent_files if f !=
curr_file_path and exists(f)]
for i, f in enumerate(files):
icon = new_icon('labels')
action = QAction(
icon, '&%d %s' % (i + 1, QFileInfo(f).fileName()), self)
action.triggered.connect(partial(self.load_recent, f))
menu.addAction(action)
def pop_label_list_menu(self, point):
self.menus.labelList.exec_(self.label_list.mapToGlobal(point))
def edit_label(self):
if not self.canvas.editing():
return
item = self.current_item()
if not item:
return
text = self.label_dialog.pop_up(item.text())
if text is not None:
item.setText(text)
item.setBackground(generate_color_by_text(text))
self.set_dirty()
self.update_combo_box()
# Tzutalin 20160906 : Add file list and dock to move faster
def file_item_double_clicked(self, item=None):
self.cur_img_idx = self.m_img_list.index(ustr(item.text()))
filename = self.m_img_list[self.cur_img_idx]
if filename:
self.load_file(filename)
# Add chris
def button_state(self, item=None):
""" Function to handle difficult examples
Update on each object """
if not self.canvas.editing():
return
item = self.current_item()
if not item: # If not selected Item, take the first one
item = self.label_list.item(self.label_list.count() - 1)
# difficult = self.diffc_button.isChecked() # ADJUSTMENT: exclude unnecessary buttons
try:
shape = self.items_to_shapes[item]
except:
pass
# Checked and Update
try:
if difficult != shape.difficult:
shape.difficult = difficult
self.set_dirty()
else: # User probably changed item visibility
self.canvas.set_shape_visible(shape, item.checkState() == Qt.Checked)
except:
pass
# React to canvas signals.
def shape_selection_changed(self, selected=False):
if self._no_selection_slot:
self._no_selection_slot = False
else:
shape = self.canvas.selected_shape
if shape:
self.shapes_to_items[shape].setSelected(True)
else:
self.label_list.clearSelection()
self.actions.delete.setEnabled(selected)
self.actions.copy.setEnabled(selected)
self.actions.edit.setEnabled(selected)
self.actions.shapeLineColor.setEnabled(selected)
self.actions.shapeFillColor.setEnabled(selected)
def add_label(self, shape):
shape.paint_label = self.display_label_option.isChecked()
item = HashableQListWidgetItem(shape.label)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(Qt.Checked)
item.setBackground(generate_color_by_text(shape.label))
self.items_to_shapes[item] = shape
self.shapes_to_items[shape] = item
self.label_list.addItem(item)
for action in self.actions.onShapesPresent:
action.setEnabled(True)
self.update_combo_box()
def remove_label(self, shape):
if shape is None:
# print('rm empty label')
return
item = self.shapes_to_items[shape]
self.label_list.takeItem(self.label_list.row(item))
del self.shapes_to_items[shape]
del self.items_to_shapes[item]
self.update_combo_box()
def load_labels(self, shapes):
s = []
for label, points, line_color, fill_color, difficult in shapes:
shape = Shape(label=label)
for x, y in points:
# Ensure the labels are within the bounds of the image. If not, fix them.
x, y, snapped = self.canvas.snap_point_to_canvas(x, y)
if snapped:
self.set_dirty()
shape.add_point(QPointF(x, y))
shape.difficult = difficult
shape.close()
s.append(shape)
if line_color:
shape.line_color = QColor(*line_color)
else:
shape.line_color = generate_color_by_text(label)
if fill_color:
shape.fill_color = QColor(*fill_color)
else:
shape.fill_color = generate_color_by_text(label)
self.add_label(shape)
self.update_combo_box()
self.canvas.load_shapes(s)
def update_combo_box(self):
# Get the unique labels and add them to the Combobox.
items_text_list = [str(self.label_list.item(i).text()) for i in range(self.label_list.count())]
unique_text_list = list(set(items_text_list))
# Add a null row for showing all the labels
unique_text_list.append("")
unique_text_list.sort()
self.combo_box.update_items(unique_text_list)
def save_labels(self, annotation_file_path):
annotation_file_path = ustr(annotation_file_path)
if self.label_file is None:
self.label_file = LabelFile()
self.label_file.verified = self.canvas.verified
def format_shape(s):
return dict(label=s.label,
line_color=s.line_color.getRgb(),
fill_color=s.fill_color.getRgb(),
points=[(p.x(), p.y()) for p in s.points],
# add chris
difficult=s.difficult)
shapes = [format_shape(shape) for shape in self.canvas.shapes]
# Can add different annotation formats here
try:
# ADJUSTMENT: change save path so that it saves the xml in the temporary folder
annotation_file_path = self.get_xml_path(annotation_file_path) # Adjusted by Peter van Lunteren on 11 Aug 2023
if self.label_file_format == LabelFileFormat.PASCAL_VOC:
if annotation_file_path[-4:].lower() != ".xml":
annotation_file_path += XML_EXT
self.label_file.save_pascal_voc_format(annotation_file_path, shapes, self.file_path, self.image_data,
self.line_color.getRgb(), self.fill_color.getRgb())
elif self.label_file_format == LabelFileFormat.YOLO:
if annotation_file_path[-4:].lower() != ".txt":
annotation_file_path += TXT_EXT
self.label_file.save_yolo_format(annotation_file_path, shapes, self.file_path, self.image_data, self.label_hist,
self.line_color.getRgb(), self.fill_color.getRgb())
elif self.label_file_format == LabelFileFormat.CREATE_ML:
if annotation_file_path[-5:].lower() != ".json":
annotation_file_path += JSON_EXT
self.label_file.save_create_ml_format(annotation_file_path, shapes, self.file_path, self.image_data,
self.label_hist, self.line_color.getRgb(), self.fill_color.getRgb())
else:
self.label_file.save(annotation_file_path, shapes, self.file_path, self.image_data,
self.line_color.getRgb(), self.fill_color.getRgb())
print('Image:{0} -> Annotation:{1}'.format(self.file_path, annotation_file_path))
return True
except LabelFileError as e:
self.error_message(u'Error saving label data', u'<b>%s</b>' % e)
return False
def copy_selected_shape(self):
self.add_label(self.canvas.copy_selected_shape())
# fix copy and delete
self.shape_selection_changed(True)
def combo_selection_changed(self, index):
text = self.combo_box.cb.itemText(index)
for i in range(self.label_list.count()):
if text == "":
self.label_list.item(i).setCheckState(2)
elif text != self.label_list.item(i).text():
self.label_list.item(i).setCheckState(0)
else: