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labelImg.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import codecs
import distutils.spawn
import os.path
import platform
import re
import sys
import subprocess
from functools import partial
from collections import defaultdict
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 combobox import ComboBox
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
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.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:
addActions(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:
addActions(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, defaultFilename=None, defaultPrefdefClassFile=None, defaultSaveDir=None):
super(MainWindow, self).__init__()
self.setWindowTitle(__appname__)
# Load setting in the main thread
self.settings = Settings()
self.settings.load()
settings = self.settings
# Load string bundle for i18n
self.stringBundle = StringBundle.getBundle()
getStr = lambda strId: self.stringBundle.getString(strId)
# Save as Pascal voc xml
self.defaultSaveDir = defaultSaveDir
self.usingPascalVocFormat = True
self.usingYoloFormat = False
# For loading all image under a directory
self.mImgList = []
self.dirname = None
self.labelHist = []
self.lastOpenDir = None
# Whether we need to save or not.
self.dirty = False
self._noSelectionSlot = False
self._beginner = True
self.screencastViewer = self.getAvailableScreencastViewer()
self.screencast = "https://youtu.be/p0nR2YsCY_U"
# Load predefined classes to the list
self.loadPredefinedClasses(defaultPrefdefClassFile)
# Main widgets and related state.
self.labelDialog = LabelDialog(parent=self, listItem=self.labelHist)
self.itemsToShapes = {}
self.shapesToItems = {}
self.prevLabelText = ''
listLayout = QVBoxLayout()
listLayout.setContentsMargins(0, 0, 0, 0)
# Create a widget for using default label
self.useDefaultLabelCheckbox = QCheckBox(getStr('useDefaultLabel'))
self.useDefaultLabelCheckbox.setChecked(False)
self.defaultLabelTextLine = QLineEdit()
useDefaultLabelQHBoxLayout = QHBoxLayout()
useDefaultLabelQHBoxLayout.addWidget(self.useDefaultLabelCheckbox)
useDefaultLabelQHBoxLayout.addWidget(self.defaultLabelTextLine)
useDefaultLabelContainer = QWidget()
useDefaultLabelContainer.setLayout(useDefaultLabelQHBoxLayout)
self.defaultLabelShortcut = QShortcut(QKeySequence(Qt.Key_Q), self)
self.defaultLabelShortcut.activated.connect(self.toggleDefaultLabel)
# Create a widget for difficult checkbox
self.difficultCheckBox = QCheckBox(getStr('useDifficult'))
self.difficultCheckBox.setChecked(False)
self.difficultCheckBox.stateChanged.connect(self.btnstate)
# And add a shortcut to it
self.difficultShortcut = QShortcut(QKeySequence(Qt.Key_E), self)
self.difficultShortcut.activated.connect(self.toggleDifficult)
# Create a widget for edit button
self.editButton = QToolButton()
self.editButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
# Add some of widgets to listLayout
listLayout.addWidget(self.editButton)
listLayout.addWidget(self.difficultCheckBox)
listLayout.addWidget(useDefaultLabelContainer)
# Create and add combobox for showing unique labels in group
self.comboBox = ComboBox(self)
listLayout.addWidget(self.comboBox)
# Create and add a widget for showing current label items
self.labelList = QListWidget()
labelListContainer = QWidget()
labelListContainer.setLayout(listLayout)
self.labelList.itemActivated.connect(self.labelSelectionChanged)
self.labelList.itemSelectionChanged.connect(self.labelSelectionChanged)
self.labelList.itemDoubleClicked.connect(self.editLabel)
# Connect to itemChanged to detect checkbox changes.
self.labelList.itemChanged.connect(self.labelItemChanged)
listLayout.addWidget(self.labelList)
self.dock = QDockWidget(getStr('boxLabelText'), self)
self.dock.setObjectName(getStr('labels'))
self.dock.setWidget(labelListContainer)
self.fileListWidget = QListWidget()
self.fileListWidget.itemDoubleClicked.connect(self.fileitemDoubleClicked)
filelistLayout = QVBoxLayout()
filelistLayout.setContentsMargins(0, 0, 0, 0)
filelistLayout.addWidget(self.fileListWidget)
fileListContainer = QWidget()
fileListContainer.setLayout(filelistLayout)
self.filedock = QDockWidget(getStr('fileList'), self)
self.filedock.setObjectName(getStr('files'))
self.filedock.setWidget(fileListContainer)
self.zoomWidget = ZoomWidget()
self.colorDialog = ColorDialog(parent=self)
self.canvas = Canvas(parent=self)
self.canvas.zoomRequest.connect(self.zoomRequest)
self.canvas.setDrawingShapeToSquare(settings.get(SETTING_DRAW_SQUARE, False))
scroll = QScrollArea()
scroll.setWidget(self.canvas)
scroll.setWidgetResizable(True)
self.scrollBars = {
Qt.Vertical: scroll.verticalScrollBar(),
Qt.Horizontal: scroll.horizontalScrollBar()
}
self.scrollArea = scroll
self.canvas.scrollRequest.connect(self.scrollRequest)
self.canvas.newShape.connect(self.newShape)
self.canvas.shapeMoved.connect(self.setDirty)
self.canvas.selectionChanged.connect(self.shapeSelectionChanged)
self.canvas.drawingPolygon.connect(self.toggleDrawingSensitive)
self.setCentralWidget(scroll)
self.addDockWidget(Qt.RightDockWidgetArea, self.dock)
self.addDockWidget(Qt.RightDockWidgetArea, self.filedock)
self.filedock.setFeatures(QDockWidget.DockWidgetFloatable)
self.dockFeatures = QDockWidget.DockWidgetClosable | QDockWidget.DockWidgetFloatable
self.dock.setFeatures(self.dock.features() ^ self.dockFeatures)
# Actions
action = partial(newAction, self)
quit = action(getStr('quit'), self.close,
'Ctrl+Q', 'quit', getStr('quitApp'))
open = action(getStr('openFile'), self.openFile,
'Ctrl+O', 'open', getStr('openFileDetail'))
opendir = action(getStr('openDir'), self.openDirDialog,
'Ctrl+u', 'open', getStr('openDir'))
changeSavedir = action(getStr('changeSaveDir'), self.changeSavedirDialog,
'Ctrl+r', 'open', getStr('changeSavedAnnotationDir'))
openAnnotation = action(getStr('openAnnotation'), self.openAnnotationDialog,
'Ctrl+Shift+O', 'open', getStr('openAnnotationDetail'))
openNextImg = action(getStr('nextImg'), self.openNextImg,
'd', 'next', getStr('nextImgDetail'))
openPrevImg = action(getStr('prevImg'), self.openPrevImg,
'a', 'prev', getStr('prevImgDetail'))
verify = action(getStr('verifyImg'), self.verifyImg,
'space', 'verify', getStr('verifyImgDetail'))
save = action(getStr('save'), self.saveFile,
'Ctrl+S', 'save', getStr('saveDetail'), enabled=False)
save_format = action('&PascalVOC', self.change_format,
'Ctrl+', 'format_voc', getStr('changeSaveFormat'), enabled=True)
saveAs = action(getStr('saveAs'), self.saveFileAs,
'Ctrl+Shift+S', 'save-as', getStr('saveAsDetail'), enabled=False)
close = action(getStr('closeCur'), self.closeFile, 'Ctrl+W', 'close', getStr('closeCurDetail'))
deleteImg = action(getStr('deleteImg'), self.deleteImg, 'Ctrl+D', 'close', getStr('deleteImgDetail'))
resetAll = action(getStr('resetAll'), self.resetAll, None, 'resetall', getStr('resetAllDetail'))
color1 = action(getStr('boxLineColor'), self.chooseColor1,
'Ctrl+L', 'color_line', getStr('boxLineColorDetail'))
createMode = action(getStr('crtBox'), self.setCreateMode,
'w', 'new', getStr('crtBoxDetail'), enabled=False)
editMode = action('&Edit\nRectBox', self.setEditMode,
'Ctrl+J', 'edit', u'Move and edit Boxs', enabled=False)
create = action(getStr('crtBox'), self.createShape,
'w', 'new', getStr('crtBoxDetail'), enabled=False)
delete = action(getStr('delBox'), self.deleteSelectedShape,
'Delete', 'delete', getStr('delBoxDetail'), enabled=False)
copy = action(getStr('dupBox'), self.copySelectedShape,
'Ctrl+D', 'copy', getStr('dupBoxDetail'),
enabled=False)
advancedMode = action(getStr('advancedMode'), self.toggleAdvancedMode,
'Ctrl+Shift+A', 'expert', getStr('advancedModeDetail'),
checkable=True)
hideAll = action('&Hide\nRectBox', partial(self.togglePolygons, False),
'Ctrl+H', 'hide', getStr('hideAllBoxDetail'),
enabled=False)
showAll = action('&Show\nRectBox', partial(self.togglePolygons, True),
'Ctrl+A', 'hide', getStr('showAllBoxDetail'),
enabled=False)
help = action(getStr('tutorial'), self.showTutorialDialog, None, 'help', getStr('tutorialDetail'))
showInfo = action(getStr('info'), self.showInfoDialog, None, 'help', getStr('info'))
zoom = QWidgetAction(self)
zoom.setDefaultWidget(self.zoomWidget)
self.zoomWidget.setWhatsThis(
u"Zoom in or out of the image. Also accessible with"
" %s and %s from the canvas." % (fmtShortcut("Ctrl+[-+]"),
fmtShortcut("Ctrl+Wheel")))
self.zoomWidget.setEnabled(False)
zoomIn = action(getStr('zoomin'), partial(self.addZoom, 10),
'Ctrl++', 'zoom-in', getStr('zoominDetail'), enabled=False)
zoomOut = action(getStr('zoomout'), partial(self.addZoom, -10),
'Ctrl+-', 'zoom-out', getStr('zoomoutDetail'), enabled=False)
zoomOrg = action(getStr('originalsize'), partial(self.setZoom, 100),
'Ctrl+=', 'zoom', getStr('originalsizeDetail'), enabled=False)
fitWindow = action(getStr('fitWin'), self.setFitWindow,
'Ctrl+F', 'fit-window', getStr('fitWinDetail'),
checkable=True, enabled=False)
fitWidth = action(getStr('fitWidth'), self.setFitWidth,
'Ctrl+Shift+F', 'fit-width', getStr('fitWidthDetail'),
checkable=True, enabled=False)
# Group zoom controls into a list for easier toggling.
zoomActions = (self.zoomWidget, zoomIn, zoomOut,
zoomOrg, fitWindow, fitWidth)
self.zoomMode = self.MANUAL_ZOOM
self.scalers = {
self.FIT_WINDOW: self.scaleFitWindow,
self.FIT_WIDTH: self.scaleFitWidth,
# Set to one to scale to 100% when loading files.
self.MANUAL_ZOOM: lambda: 1,
}
edit = action(getStr('editLabel'), self.editLabel,
'Ctrl+E', 'edit', getStr('editLabelDetail'),
enabled=False)
self.editButton.setDefaultAction(edit)
shapeLineColor = action(getStr('shapeLineColor'), self.chshapeLineColor,
icon='color_line', tip=getStr('shapeLineColorDetail'),
enabled=False)
shapeFillColor = action(getStr('shapeFillColor'), self.chshapeFillColor,
icon='color', tip=getStr('shapeFillColorDetail'),
enabled=False)
labels = self.dock.toggleViewAction()
labels.setText(getStr('showHide'))
labels.setShortcut('Ctrl+Shift+L')
# Label list context menu.
labelMenu = QMenu()
addActions(labelMenu, (edit, delete))
self.labelList.setContextMenuPolicy(Qt.CustomContextMenu)
self.labelList.customContextMenuRequested.connect(
self.popLabelListMenu)
# Draw squares/rectangles
self.drawSquaresOption = QAction('Draw Squares', self)
self.drawSquaresOption.setShortcut('Ctrl+Shift+R')
self.drawSquaresOption.setCheckable(True)
self.drawSquaresOption.setChecked(settings.get(SETTING_DRAW_SQUARE, False))
self.drawSquaresOption.triggered.connect(self.toogleDrawSquare)
# Store actions for further handling.
self.actions = struct(save=save, save_format=save_format, saveAs=saveAs, open=open, close=close, resetAll = resetAll, deleteImg = deleteImg,
lineColor=color1, create=create, delete=delete, edit=edit, copy=copy,
createMode=createMode, editMode=editMode, advancedMode=advancedMode,
shapeLineColor=shapeLineColor, shapeFillColor=shapeFillColor,
zoom=zoom, zoomIn=zoomIn, zoomOut=zoomOut, zoomOrg=zoomOrg,
fitWindow=fitWindow, fitWidth=fitWidth,
zoomActions=zoomActions,
fileMenuActions=(
open, opendir, save, saveAs, close, resetAll, quit),
beginner=(), advanced=(),
editMenu=(edit, copy, delete,
None, color1, self.drawSquaresOption),
beginnerContext=(create, edit, copy, delete),
advancedContext=(createMode, editMode, edit, copy,
delete, shapeLineColor, shapeFillColor),
onLoadActive=(
close, create, createMode, editMode),
onShapesPresent=(saveAs, hideAll, showAll))
self.menus = struct(
file=self.menu('&File'),
edit=self.menu('&Edit'),
view=self.menu('&View'),
help=self.menu('&Help'),
recentFiles=QMenu('Open &Recent'),
labelList=labelMenu)
# Auto saving : Enable auto saving if pressing next
self.autoSaving = QAction(getStr('autoSaveMode'), self)
self.autoSaving.setCheckable(True)
self.autoSaving.setChecked(settings.get(SETTING_AUTO_SAVE, False))
# Sync single class mode from PR#106
self.singleClassMode = QAction(getStr('singleClsMode'), self)
self.singleClassMode.setShortcut("Ctrl+Shift+S")
self.singleClassMode.setCheckable(True)
self.singleClassMode.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.displayLabelOption = QAction(getStr('displayLabel'), self)
self.displayLabelOption.setShortcut("Ctrl+Shift+P")
self.displayLabelOption.setCheckable(True)
self.displayLabelOption.setChecked(settings.get(SETTING_PAINT_LABEL, False))
self.displayLabelOption.triggered.connect(self.togglePaintLabelsOption)
addActions(self.menus.file,
(open, opendir, changeSavedir, openAnnotation, self.menus.recentFiles, save, save_format, saveAs, close, resetAll, deleteImg, quit))
addActions(self.menus.help, (help, showInfo))
addActions(self.menus.view, (
self.autoSaving,
self.singleClassMode,
self.displayLabelOption,
labels, advancedMode, None,
hideAll, showAll, None,
zoomIn, zoomOut, zoomOrg, None,
fitWindow, fitWidth))
self.menus.file.aboutToShow.connect(self.updateFileMenu)
# Custom context menu for the canvas widget:
addActions(self.canvas.menus[0], self.actions.beginnerContext)
addActions(self.canvas.menus[1], (
action('&Copy here', self.copyShape),
action('&Move here', self.moveShape)))
self.tools = self.toolbar('Tools')
self.actions.beginner = (
open, opendir, changeSavedir, openNextImg, openPrevImg, verify, save, save_format, None, create, copy, delete, None,
zoomIn, zoom, zoomOut, fitWindow, fitWidth)
self.actions.advanced = (
open, opendir, changeSavedir, openNextImg, openPrevImg, save, save_format, None,
createMode, editMode, None,
hideAll, showAll)
self.statusBar().showMessage('%s started.' % __appname__)
self.statusBar().show()
# Application state.
self.image = QImage()
self.filePath = ustr(defaultFilename)
self.lastOpenDir= None
self.recentFiles = []
self.maxRecent = 7
self.lineColor = None
self.fillColor = 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():
recentFileQStringList = settings.get(SETTING_RECENT_FILES)
self.recentFiles = [ustr(i) for i in recentFileQStringList]
else:
self.recentFiles = recentFileQStringList = 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)
saveDir = ustr(settings.get(SETTING_SAVE_DIR, None))
self.lastOpenDir = ustr(settings.get(SETTING_LAST_OPEN_DIR, None))
if self.defaultSaveDir is None and saveDir is not None and os.path.exists(saveDir):
self.defaultSaveDir = saveDir
self.statusBar().showMessage('%s started. Annotation will be saved to %s' %
(__appname__, self.defaultSaveDir))
self.statusBar().show()
self.restoreState(settings.get(SETTING_WIN_STATE, QByteArray()))
Shape.line_color = self.lineColor = QColor(settings.get(SETTING_LINE_COLOR, DEFAULT_LINE_COLOR))
Shape.fill_color = self.fillColor = QColor(settings.get(SETTING_FILL_COLOR, DEFAULT_FILL_COLOR))
self.canvas.setDrawingColor(self.lineColor)
# 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.toggleAdvancedMode()
# Populate the File menu dynamically.
self.updateFileMenu()
# Since loading the file may take some time, make sure it runs in the background.
if self.filePath and os.path.isdir(self.filePath):
self.queueEvent(partial(self.importDirImages, self.filePath or ""))
elif self.filePath:
self.queueEvent(partial(self.loadFile, self.filePath or ""))
# Callbacks:
self.zoomWidget.valueChanged.connect(self.paintCanvas)
self.populateModeActions()
# Display cursor coordinates at the right of status bar
self.labelCoordinates = QLabel('')
self.statusBar().addPermanentWidget(self.labelCoordinates)
# Open Dir if deafult file
if self.filePath and os.path.isdir(self.filePath):
self.openDirDialog(dirpath=self.filePath, silent=True)
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Control:
self.canvas.setDrawingShapeToSquare(False)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Control:
# Draw rectangle if Ctrl is pressed
self.canvas.setDrawingShapeToSquare(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(newIcon("format_voc"))
self.usingPascalVocFormat = True
self.usingYoloFormat = False
LabelFile.suffix = XML_EXT
elif save_format == FORMAT_YOLO:
self.actions.save_format.setText(FORMAT_YOLO)
self.actions.save_format.setIcon(newIcon("format_yolo"))
self.usingPascalVocFormat = False
self.usingYoloFormat = True
LabelFile.suffix = TXT_EXT
def change_format(self):
if self.usingPascalVocFormat: self.set_format(FORMAT_YOLO)
elif self.usingYoloFormat: self.set_format(FORMAT_PASCALVOC)
def noShapes(self):
return not self.itemsToShapes
def toggleDifficult(self):
self.toggleCheckBox(self.difficultCheckBox)
def toggleDefaultLabel(self):
self.toggleCheckBox(self.useDefaultLabelCheckbox)
@staticmethod
def toggleCheckBox(checkBox: QCheckBox):
checked = checkBox.isChecked()
if checked:
checkBox.setChecked(False)
else:
checkBox.setChecked(True)
def toggleAdvancedMode(self, value=True):
self._beginner = not value
self.canvas.setEditing(True)
self.populateModeActions()
self.editButton.setVisible(not value)
if value:
self.actions.createMode.setEnabled(True)
self.actions.editMode.setEnabled(False)
self.dock.setFeatures(self.dock.features() | self.dockFeatures)
else:
self.dock.setFeatures(self.dock.features() ^ self.dockFeatures)
def populateModeActions(self):
if self.beginner():
tool, menu = self.actions.beginner, self.actions.beginnerContext
else:
tool, menu = self.actions.advanced, self.actions.advancedContext
self.tools.clear()
addActions(self.tools, tool)
self.canvas.menus[0].clear()
addActions(self.canvas.menus[0], menu)
self.menus.edit.clear()
actions = (self.actions.create,) if self.beginner()\
else (self.actions.createMode, self.actions.editMode)
addActions(self.menus.edit, actions + self.actions.editMenu)
def setBeginner(self):
self.tools.clear()
addActions(self.tools, self.actions.beginner)
def setAdvanced(self):
self.tools.clear()
addActions(self.tools, self.actions.advanced)
def setDirty(self):
self.dirty = True
self.actions.save.setEnabled(True)
def setClean(self):
self.dirty = False
self.actions.save.setEnabled(False)
self.actions.create.setEnabled(True)
def toggleActions(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 queueEvent(self, function):
QTimer.singleShot(0, function)
def status(self, message, delay=5000):
self.statusBar().showMessage(message, delay)
def resetState(self):
self.itemsToShapes.clear()
self.shapesToItems.clear()
self.labelList.clear()
self.filePath = None
self.imageData = None
self.labelFile = None
self.canvas.resetState()
self.labelCoordinates.clear()
self.comboBox.cb.clear()
def currentItem(self):
items = self.labelList.selectedItems()
if items:
return items[0]
return None
def addRecentFile(self, filePath):
if filePath in self.recentFiles:
self.recentFiles.remove(filePath)
elif len(self.recentFiles) >= self.maxRecent:
self.recentFiles.pop()
self.recentFiles.insert(0, filePath)
def beginner(self):
return self._beginner
def advanced(self):
return not self.beginner()
def getAvailableScreencastViewer(self):
osName = platform.system()
if osName == 'Windows':
return ['C:\\Program Files\\Internet Explorer\\iexplore.exe']
elif osName == 'Linux':
return ['xdg-open']
elif osName == 'Darwin':
return ['open']
## Callbacks ##
def showTutorialDialog(self):
subprocess.Popen(self.screencastViewer + [self.screencast])
def showInfoDialog(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 createShape(self):
assert self.beginner()
self.canvas.setEditing(False)
self.actions.create.setEnabled(False)
def toggleDrawingSensitive(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.setEditing(True)
self.canvas.restoreCursor()
self.actions.create.setEnabled(True)
def toggleDrawMode(self, edit=True):
self.canvas.setEditing(edit)
self.actions.createMode.setEnabled(edit)
self.actions.editMode.setEnabled(not edit)
def setCreateMode(self):
assert self.advanced()
self.toggleDrawMode(False)
def setEditMode(self):
assert self.advanced()
self.toggleDrawMode(True)
self.labelSelectionChanged()
def updateFileMenu(self):
currFilePath = self.filePath
def exists(filename):
return os.path.exists(filename)
menu = self.menus.recentFiles
menu.clear()
files = [f for f in self.recentFiles if f !=
currFilePath and exists(f)]
for i, f in enumerate(files):
icon = newIcon('labels')
action = QAction(
icon, '&%d %s' % (i + 1, QFileInfo(f).fileName()), self)
action.triggered.connect(partial(self.loadRecent, f))
menu.addAction(action)
def popLabelListMenu(self, point):
self.menus.labelList.exec_(self.labelList.mapToGlobal(point))
def editLabel(self):
if not self.canvas.editing():
return
item = self.currentItem()
if not item:
return
text = self.labelDialog.popUp(item.text())
if text is not None:
item.setText(text)
item.setBackground(generateColorByText(text))
self.setDirty()
self.updateComboBox()
# Tzutalin 20160906 : Add file list and dock to move faster
def fileitemDoubleClicked(self, item=None):
currIndex = self.mImgList.index(ustr(item.text()))
if currIndex < len(self.mImgList):
filename = self.mImgList[currIndex]
if filename:
self.loadFile(filename)
# Add chris
def btnstate(self, item= None):
""" Function to handle difficult examples
Update on each object """
if not self.canvas.editing():
return
item = self.currentItem()
if not item: # If not selected Item, take the first one
item = self.labelList.item(self.labelList.count()-1)
difficult = self.difficultCheckBox.isChecked()
try:
shape = self.itemsToShapes[item]
except:
pass
# Checked and Update
try:
if difficult != shape.difficult:
shape.difficult = difficult
self.setDirty()
else: # User probably changed item visibility
self.canvas.setShapeVisible(shape, item.checkState() == Qt.Checked)
except:
pass
# React to canvas signals.
def shapeSelectionChanged(self, selected=False):
if self._noSelectionSlot:
self._noSelectionSlot = False
else:
shape = self.canvas.selectedShape
if shape:
self.shapesToItems[shape].setSelected(True)
else:
self.labelList.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 addLabel(self, shape):
shape.paintLabel = self.displayLabelOption.isChecked()
item = HashableQListWidgetItem(shape.label)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(Qt.Checked)
item.setBackground(generateColorByText(shape.label))
self.itemsToShapes[item] = shape
self.shapesToItems[shape] = item
self.labelList.addItem(item)
for action in self.actions.onShapesPresent:
action.setEnabled(True)
self.updateComboBox()
def remLabel(self, shape):
if shape is None:
# print('rm empty label')
return
item = self.shapesToItems[shape]
self.labelList.takeItem(self.labelList.row(item))
del self.shapesToItems[shape]
del self.itemsToShapes[item]
self.updateComboBox()
def loadLabels(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.snapPointToCanvas(x, y)
if snapped:
self.setDirty()
shape.addPoint(QPointF(x, y))
shape.difficult = difficult
shape.close()
s.append(shape)
if line_color:
shape.line_color = QColor(*line_color)
else:
shape.line_color = generateColorByText(label)
if fill_color:
shape.fill_color = QColor(*fill_color)
else:
shape.fill_color = generateColorByText(label)
self.addLabel(shape)
self.updateComboBox()
self.canvas.loadShapes(s)
def updateComboBox(self):
# Get the unique labels and add them to the Combobox.
itemsTextList = [str(self.labelList.item(i).text()) for i in range(self.labelList.count())]
uniqueTextList = list(set(itemsTextList))
# Add a null row for showing all the labels
uniqueTextList.append("")
uniqueTextList.sort()
self.comboBox.update_items(uniqueTextList)
def saveLabels(self, annotationFilePath):
annotationFilePath = ustr(annotationFilePath)
if self.labelFile is None:
self.labelFile = LabelFile()
self.labelFile.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 differrent annotation formats here
try:
if self.usingPascalVocFormat is True:
if annotationFilePath[-4:].lower() != ".xml":
annotationFilePath += XML_EXT
self.labelFile.savePascalVocFormat(annotationFilePath, shapes, self.filePath, self.imageData,
self.lineColor.getRgb(), self.fillColor.getRgb())
elif self.usingYoloFormat is True:
if annotationFilePath[-4:].lower() != ".txt":
annotationFilePath += TXT_EXT
self.labelFile.saveYoloFormat(annotationFilePath, shapes, self.filePath, self.imageData, self.labelHist,
self.lineColor.getRgb(), self.fillColor.getRgb())
else:
self.labelFile.save(annotationFilePath, shapes, self.filePath, self.imageData,
self.lineColor.getRgb(), self.fillColor.getRgb())
print('Image:{0} -> Annotation:{1}'.format(self.filePath, annotationFilePath))
return True
except LabelFileError as e:
self.errorMessage(u'Error saving label data', u'<b>%s</b>' % e)
return False
def copySelectedShape(self):
self.addLabel(self.canvas.copySelectedShape())
# fix copy and delete
self.shapeSelectionChanged(True)
def comboSelectionChanged(self, index):
text = self.comboBox.cb.itemText(index)
for i in range(self.labelList.count()):
if text == "":
self.labelList.item(i).setCheckState(2)
elif text != self.labelList.item(i).text():
self.labelList.item(i).setCheckState(0)
else:
self.labelList.item(i).setCheckState(2)
def labelSelectionChanged(self):
item = self.currentItem()
if item and self.canvas.editing():
self._noSelectionSlot = True
self.canvas.selectShape(self.itemsToShapes[item])
shape = self.itemsToShapes[item]
# Add Chris
self.difficultCheckBox.setChecked(shape.difficult)
def labelItemChanged(self, item):
shape = self.itemsToShapes[item]
label = item.text()
if label != shape.label:
shape.label = item.text()
shape.line_color = generateColorByText(shape.label)
self.setDirty()
else: # User probably changed item visibility
self.canvas.setShapeVisible(shape, item.checkState() == Qt.Checked)
# Callback functions:
def newShape(self):
"""Pop-up and give focus to the label editor.
position MUST be in global coordinates.
"""
if not self.useDefaultLabelCheckbox.isChecked() or not self.defaultLabelTextLine.text():
if len(self.labelHist) > 0:
self.labelDialog = LabelDialog(
parent=self, listItem=self.labelHist)
# Sync single class mode from PR#106
if self.singleClassMode.isChecked() and self.lastLabel:
text = self.lastLabel
else:
text = self.labelDialog.popUp(text=self.prevLabelText)
self.lastLabel = text
else:
text = self.defaultLabelTextLine.text()
# Add Chris
self.difficultCheckBox.setChecked(False)
if text is not None:
self.prevLabelText = text
generate_color = generateColorByText(text)
shape = self.canvas.setLastLabel(text, generate_color, generate_color)
self.addLabel(shape)
if self.beginner(): # Switch to edit mode.
self.canvas.setEditing(True)
self.actions.create.setEnabled(True)
else:
self.actions.editMode.setEnabled(True)
self.setDirty()
if text not in self.labelHist:
self.labelHist.append(text)
else:
# self.canvas.undoLastLine()
self.canvas.resetAllLines()
def scrollRequest(self, delta, orientation):
units = - delta / (8 * 15)
bar = self.scrollBars[orientation]
bar.setValue(bar.value() + bar.singleStep() * units)
def setZoom(self, value):
self.actions.fitWidth.setChecked(False)
self.actions.fitWindow.setChecked(False)
self.zoomMode = self.MANUAL_ZOOM
self.zoomWidget.setValue(value)
def addZoom(self, increment=10):
self.setZoom(self.zoomWidget.value() + increment)
def zoomRequest(self, delta):
# get the current scrollbar positions
# calculate the percentages ~ coordinates
h_bar = self.scrollBars[Qt.Horizontal]
v_bar = self.scrollBars[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)
cursor_x = relative_pos.x()
cursor_y = relative_pos.y()
w = self.scrollArea.width()
h = self.scrollArea.height()
# the scaling from 0 to 1 has some padding
# you don't have to hit the very leftmost pixel for a maximum-left movement
margin = 0.1
move_x = (cursor_x - margin * w) / (w - 2 * margin * w)
move_y = (cursor_y - margin * h) / (h - 2 * margin * h)
# clamp the values from 0 to 1
move_x = min(max(move_x, 0), 1)
move_y = min(max(move_y, 0), 1)
# zoom in
units = delta / (8 * 15)
scale = 10
self.addZoom(scale * units)
# get the difference in scrollbar values
# this is how far we can move
d_h_bar_max = h_bar.maximum() - h_bar_max
d_v_bar_max = v_bar.maximum() - v_bar_max
# get the new scrollbar values
new_h_bar_value = h_bar.value() + move_x * d_h_bar_max
new_v_bar_value = v_bar.value() + move_y * d_v_bar_max
h_bar.setValue(new_h_bar_value)
v_bar.setValue(new_v_bar_value)
def setFitWindow(self, value=True):