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labelImg.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import argparse
import codecs
import os.path
import platform
import shutil
import sys
import webbrowser as wb
from functools import partial
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.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, default_filename=None, default_prefdef_class_file=None, default_save_dir=None):
super(MainWindow, self).__init__()
self.setWindowTitle(__appname__)
# 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'))
self.diffc_button.setChecked(False)
self.diffc_button.stateChanged.connect(self.button_state)
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)
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.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.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.color_dialog = ColorDialog(parent=self)
self.canvas = Canvas(parent=self)
self.canvas.zoomRequest.connect(self.zoom_request)
self.canvas.set_drawing_shape_to_square(settings.get(SETTING_DRAW_SQUARE, False))
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'))
delete_image = action(get_str('deleteImg'), self.delete_image, 'Ctrl+Shift+D', 'close', get_str('deleteImgDetail'))
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,
'Ctrl+J', 'edit', get_str('editBoxDetail'), enabled=False)
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,
}
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
self.draw_squares_option = QAction(get_str('drawSquares'), self)
self.draw_squares_option.setShortcut('Ctrl+Shift+R')
self.draw_squares_option.setCheckable(True)
self.draw_squares_option.setChecked(settings.get(SETTING_DRAW_SQUARE, False))
self.draw_squares_option.triggered.connect(self.toggle_draw_square)
# Store actions for further handling.
self.actions = Struct(save=save, save_format=save_format, saveAs=save_as, open=open, close=close, resetAll=reset_all, deleteImg=delete_image,
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,
fileMenuActions=(
open, open_dir, save, save_as, close, reset_all, quit),
beginner=(), advanced=(),
editMenu=(edit, copy, delete,
None, color1, self.draw_squares_option),
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))
# 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,
(open, open_dir, change_save_dir, open_annotation, copy_prev_bounding, self.menus.recentFiles, save, save_format, save_as, close, reset_all, delete_image, quit))
add_actions(self.menus.help, (help_default, show_info, show_shortcut))
add_actions(self.menus.view, (
self.auto_saving,
self.single_class_mode,
self.display_label_option,
labels, advanced_mode, None,
hide_all, show_all, None,
zoom_in, zoom_out, zoom_org, None,
fit_window, fit_width))
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)
self.actions.advanced = (
open, open_dir, change_save_dir, open_next_image, open_prev_image, save, save_format, None,
create_mode, edit_mode, None,
hide_all, show_all)
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.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)
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Control:
self.canvas.set_drawing_shape_to_square(False)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Control:
# Draw rectangle if Ctrl is pressed
self.canvas.set_drawing_shape_to_square(True)
# 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 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()
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:
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:
self.label_list.item(i).setCheckState(2)
def default_label_combo_selection_changed(self, index):
self.default_label=self.label_hist[index]
def label_selection_changed(self):
item = self.current_item()
if item and self.canvas.editing():
self._no_selection_slot = True
self.canvas.select_shape(self.items_to_shapes[item])
shape = self.items_to_shapes[item]
# Add Chris
self.diffc_button.setChecked(shape.difficult)
def label_item_changed(self, item):
shape = self.items_to_shapes[item]
label = item.text()
if label != shape.label:
shape.label = item.text()
shape.line_color = generate_color_by_text(shape.label)
self.set_dirty()
else: # User probably changed item visibility
self.canvas.set_shape_visible(shape, item.checkState() == Qt.Checked)
# Callback functions:
def new_shape(self):
"""Pop-up and give focus to the label editor.
position MUST be in global coordinates.
"""
if not self.use_default_label_checkbox.isChecked():
if len(self.label_hist) > 0:
self.label_dialog = LabelDialog(
parent=self, list_item=self.label_hist)
# Sync single class mode from PR#106
if self.single_class_mode.isChecked() and self.lastLabel:
text = self.lastLabel
else:
text = self.label_dialog.pop_up(text=self.prev_label_text)
self.lastLabel = text
else:
text = self.default_label
# Add Chris
self.diffc_button.setChecked(False)
if text is not None:
self.prev_label_text = text
generate_color = generate_color_by_text(text)
shape = self.canvas.set_last_label(text, generate_color, generate_color)
self.add_label(shape)
if self.beginner(): # Switch to edit mode.
self.canvas.set_editing(True)
self.actions.create.setEnabled(True)
else:
self.actions.editMode.setEnabled(True)
self.set_dirty()
if text not in self.label_hist:
self.label_hist.append(text)
else:
# self.canvas.undoLastLine()
self.canvas.reset_all_lines()
def scroll_request(self, delta, orientation):
units = - delta / (8 * 15)
bar = self.scroll_bars[orientation]
bar.setValue(int(bar.value() + bar.singleStep() * units))
def set_zoom(self, value):
self.actions.fitWidth.setChecked(False)
self.actions.fitWindow.setChecked(False)
self.zoom_mode = self.MANUAL_ZOOM
# Arithmetic on scaling factor often results in float
# Convert to int to avoid type errors
self.zoom_widget.setValue(int(value))
def add_zoom(self, increment=10):
self.set_zoom(self.zoom_widget.value() + increment)
def zoom_request(self, delta):
# get the current scrollbar positions
# calculate the percentages ~ coordinates
h_bar = self.scroll_bars[Qt.Horizontal]
v_bar = self.scroll_bars[Qt.Vertical]
# get the current maximum, to know the difference after zooming
h_bar_max = h_bar.maximum()
v_bar_max = v_bar.maximum()
# get the cursor position and canvas size
# calculate the desired movement from 0 to 1
# where 0 = move left
# 1 = move right
# up and down analogous
cursor = QCursor()
pos = cursor.pos()
relative_pos = QWidget.mapFromGlobal(self, pos)