text: # Copyright (c) <2015-Present> Tzutalin
  # Copyright (C) 2013  MIT, Computer Science and Artificial Intelligence Laboratory. Bryan Russell, Antonio Torralba,
  # William T. Freeman. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
  # associated documentation files (the "Software"), to deal in the Software without restriction, including without
  # limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
  # Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
  # The above copyright notice and this permission notice shall be included in all copies or substantial portions of
  # the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
  # NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  # SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  # CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  
  #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  # pyrcc5 -o libs/resources.py resources.qrc
  import argparse
  import ast
  import codecs
  import os.path
  import platform
  import subprocess
  import sys
  from functools import partial
  from collections import defaultdict
  import json
  
  
  __dir__ = os.path.dirname(os.path.abspath(__file__))
  sys.path.append(__dir__)
  sys.path.append(os.path.abspath(os.path.join(__dir__, '../..')))
  sys.path.append("..")
  
  from paddleocr import PaddleOCR
  
  try:
      from PyQt5 import QtCore, QtGui, QtWidgets
      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.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.autoDialog import AutoDialog
  from libs.labelDialog import LabelDialog
  from libs.colorDialog import ColorDialog
  from libs.toolBar import ToolBar
  from libs.ustr import ustr
  from libs.hashableQListWidgetItem import HashableQListWidgetItem
  
  __appname__ = 'PPOCRLabel'
  
  
  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, lang="ch", 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
          self.lang = lang
          # Load string bundle for i18n
          if lang not in ['ch', 'en']:
              lang = 'en'
          self.stringBundle = StringBundle.getBundle(localeStr='zh-CN' if lang=='ch' else 'en') # 'en'
          getStr = lambda strId: self.stringBundle.getString(strId)
  
          self.defaultSaveDir = defaultSaveDir
          self.ocr = PaddleOCR(use_pdserving=False, use_angle_cls=True, det=True, cls=True, use_gpu=True, lang=lang)
  
          if os.path.exists('./data/paddle.png'):
              result = self.ocr.ocr('./data/paddle.png', cls=True, det=True)
  
          # For loading all image under a directory
          self.mImgList = []
          self.mImgList5 = []
          self.dirname = None
          self.labelHist = []
          self.lastOpenDir = None
          self.result_dic = []
  
          self.changeFileFolder = False
          self.haveAutoReced = False
          self.labelFile = None
          self.currIndex = 0
  
  
          # Whether we need to save or not.
          self.dirty = False
  
          self._noSelectionSlot = False
          self._beginner = True
          self.screencastViewer = self.getAvailableScreencastViewer()
          self.screencast = "https://github.com/PaddlePaddle/PaddleOCR"
  
          # Load predefined classes to the list
          self.loadPredefinedClasses(defaultPrefdefClassFile)
  
          # Main widgets and related state.
          self.labelDialog = LabelDialog(parent=self, listItem=self.labelHist)
          self.autoDialog = AutoDialog(parent=self)
  
          self.itemsToShapes = {}
          self.shapesToItems = {}
          self.itemsToShapesbox = {}
          self.shapesToItemsbox = {}
          self.prevLabelText = getStr('tempLabel')
          self.model = 'paddle'
          self.PPreader = None
          self.autoSaveNum = 10
  
          ################# file list  ###############
          self.fileListWidget = QListWidget()
          self.fileListWidget.itemClicked.connect(self.fileitemDoubleClicked)
          self.fileListWidget.setIconSize(QSize(25, 25))
          filelistLayout = QVBoxLayout()
          filelistLayout.setContentsMargins(0, 0, 0, 0)
          filelistLayout.addWidget(self.fileListWidget)
          
          self.AutoRecognition = QToolButton()
          self.AutoRecognition.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
          self.AutoRecognition.setIcon(newIcon('Auto'))
          autoRecLayout = QHBoxLayout()
          autoRecLayout.setContentsMargins(0, 0, 0, 0)
          autoRecLayout.addWidget(self.AutoRecognition)
          autoRecContainer = QWidget()
          autoRecContainer.setLayout(autoRecLayout)
          filelistLayout.addWidget(autoRecContainer)
  
          fileListContainer = QWidget()
          fileListContainer.setLayout(filelistLayout)
          self.filedock = QDockWidget(getStr('fileList'), self)
          self.filedock.setObjectName(getStr('files'))
          self.filedock.setWidget(fileListContainer)
          self.addDockWidget(Qt.LeftDockWidgetArea, self.filedock)
          
          ######## Right area ##########
          listLayout = QVBoxLayout()
          listLayout.setContentsMargins(0, 0, 0, 0)
  
          self.editButton = QToolButton()
          self.reRecogButton = QToolButton()
          self.reRecogButton.setIcon(newIcon('reRec', 30))
          self.reRecogButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
  
          self.newButton = QToolButton()
          self.newButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
          self.SaveButton = QToolButton()
          self.SaveButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
          self.DelButton = QToolButton()
          self.DelButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
  
  
          lefttoptoolbox = QHBoxLayout()
          lefttoptoolbox.addWidget(self.newButton)
          lefttoptoolbox.addWidget(self.reRecogButton)
          lefttoptoolboxcontainer = QWidget()
          lefttoptoolboxcontainer.setLayout(lefttoptoolbox)
          listLayout.addWidget(lefttoptoolboxcontainer)
  
  
          ################## label list ####################
          # 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)
          self.labelListDock = QDockWidget(getStr('recognitionResult'),self)
          self.labelListDock.setWidget(self.labelList)
          self.labelListDock.setFeatures(QDockWidget.NoDockWidgetFeatures)
          listLayout.addWidget(self.labelListDock)
  
          ################## detection box ####################
          self.BoxList = QListWidget()
  
          self.BoxList.itemActivated.connect(self.boxSelectionChanged)
          self.BoxList.itemSelectionChanged.connect(self.boxSelectionChanged)
          self.BoxList.itemDoubleClicked.connect(self.editBox)
          # Connect to itemChanged to detect checkbox changes.
          self.BoxList.itemChanged.connect(self.boxItemChanged)
          self.BoxListDock = QDockWidget(getStr('detectionBoxposition'), self)
          self.BoxListDock.setWidget(self.BoxList)
          self.BoxListDock.setFeatures(QDockWidget.NoDockWidgetFeatures)
          listLayout.addWidget(self.BoxListDock)
  
          ############ lower right area ############
          leftbtmtoolbox = QHBoxLayout()
          leftbtmtoolbox.addWidget(self.SaveButton)
          leftbtmtoolbox.addWidget(self.DelButton)
          leftbtmtoolboxcontainer = QWidget()
          leftbtmtoolboxcontainer.setLayout(leftbtmtoolbox)
          listLayout.addWidget(leftbtmtoolboxcontainer)
  
          self.dock = QDockWidget(getStr('boxLabelText'), self)
          self.dock.setObjectName(getStr('labels'))
          self.dock.setWidget(labelListContainer)
  
  
          ########## zoom bar #########
          self.imgsplider = QSlider(Qt.Horizontal)
          self.imgsplider.valueChanged.connect(self.CanvasSizeChange)
          self.imgsplider.setMinimum(-150)
          self.imgsplider.setMaximum(150)
          self.imgsplider.setSingleStep(1)
          self.imgsplider.setTickPosition(QSlider.TicksBelow)
          self.imgsplider.setTickInterval(1) 
          op = QGraphicsOpacityEffect()
          op.setOpacity(0.2)
          self.imgsplider.setGraphicsEffect(op)
          # self.imgsplider.setAttribute(Qt.WA_TranslucentBackground)
          self.imgsplider.setStyleSheet("background-color:transparent")
          self.imgsliderDock = QDockWidget(getStr('ImageResize'), self)
          self.imgsliderDock.setObjectName(getStr('IR'))
          self.imgsliderDock.setWidget(self.imgsplider)
          self.imgsliderDock.setFeatures(QDockWidget.DockWidgetFloatable)
          # op = QGraphicsOpacityEffect()
          # op.setOpacity(0.2)
          # self.imgsliderDock.setGraphicsEffect(op)
          self.imgsliderDock.setAttribute(Qt.WA_TranslucentBackground)
          self.addDockWidget(Qt.RightDockWidgetArea, self.imgsliderDock)
  
          self.zoomWidget = ZoomWidget()
          self.colorDialog = ColorDialog(parent=self)
          self.zoomWidgetValue = self.zoomWidget.value()
          
          ########## thumbnail #########
          hlayout = QHBoxLayout()
          m = (0, 0, 0, 0)
          hlayout.setSpacing(0)
          hlayout.setContentsMargins(*m)
          self.preButton = QToolButton()
          self.preButton.setIcon(newIcon("prev",40))
          self.preButton.setIconSize(QSize(40, 100))
          self.preButton.clicked.connect(self.openPrevImg)
          self.preButton.setStyleSheet('border: none;')
          self.iconlist = QListWidget()
          self.iconlist.setViewMode(QListView.IconMode)
          self.iconlist.setFlow(QListView.TopToBottom)
          self.iconlist.setSpacing(10)
          self.iconlist.setIconSize(QSize(50, 50))
          self.iconlist.setMovement(False)
          self.iconlist.setResizeMode(QListView.Adjust)
          self.iconlist.itemClicked.connect(self.iconitemDoubleClicked)
          self.iconlist.setStyleSheet("background-color:transparent; border: none;")
          self.iconlist.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
          self.nextButton = QToolButton()
          self.nextButton.setIcon(newIcon("next", 40))
          self.nextButton.setIconSize(QSize(40, 100))
          self.nextButton.setStyleSheet('border: none;')
          self.nextButton.clicked.connect(self.openNextImg)
          
          hlayout.addWidget(self.preButton)
          hlayout.addWidget(self.iconlist)
          hlayout.addWidget(self.nextButton)
  
          # self.setLayout(hlayout)
  
          iconListContainer = QWidget()
          iconListContainer.setLayout(hlayout)
          iconListContainer.setFixedHeight(100)
          # iconListContainer.setFixedWidth(530)
          # op = QGraphicsOpacityEffect()
          # op.setOpacity(0.5)
          # iconListContainer.setGraphicsEffect(op)
          
          ########### Canvas ###########
          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.updateBoxlist)  # self.setDirty
          self.canvas.selectionChanged.connect(self.shapeSelectionChanged)
          self.canvas.drawingPolygon.connect(self.toggleDrawingSensitive)
  
          centerLayout = QVBoxLayout()
          centerLayout.setContentsMargins(0, 0, 0, 0)
          centerLayout.addWidget(scroll)
          #centerLayout.addWidget(self.icondock)
          centerLayout.addWidget(iconListContainer,0,Qt.AlignCenter)
          centercontainer = QWidget()
          centercontainer.setLayout(centerLayout)
  
          # self.scrolldock = QDockWidget('WorkSpace',self)
          # self.scrolldock.setObjectName('WorkSpace')
          # self.scrolldock.setWidget(centercontainer)
          # self.scrolldock.setFeatures(QDockWidget.NoDockWidgetFeatures)
          # orititle = self.scrolldock.titleBarWidget()
          # tmpwidget = QWidget()
          # self.scrolldock.setTitleBarWidget(tmpwidget)
          # del orititle
          self.setCentralWidget(centercontainer) #self.scrolldock
          self.addDockWidget(Qt.RightDockWidgetArea, self.dock)
  
  
          # self.filedock.setFeatures(QDockWidget.DockWidgetFloatable)
          self.filedock.setFeatures(self.filedock.features() ^ QDockWidget.DockWidgetFloatable)
  
          self.dockFeatures = QDockWidget.DockWidgetClosable | QDockWidget.DockWidgetFloatable
          self.dock.setFeatures(self.dock.features() ^ self.dockFeatures)
  
          self.filedock.setFeatures(QDockWidget.NoDockWidgetFeatures)
  
          ###### 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'))
  
          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+V', 'verify', getStr('saveDetail'), enabled=False)
  
          alcm = action(getStr('choosemodel'), self.autolcm,
                                          'Ctrl+M', 'next', getStr('tipchoosemodel'))
  
          deleteImg = action(getStr('deleteImg'), self.deleteImg, 'Ctrl+D', 'close', getStr('deleteImgDetail'),
                             enabled=True)
  
          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+C', 'copy', getStr('dupBoxDetail'),
                        enabled=False)
  
          hideAll = action(getStr('hideBox'), partial(self.togglePolygons, False),
                           'Ctrl+H', 'hide', getStr('hideAllBoxDetail'),
                           enabled=False)
          showAll = action(getStr('showBox'), 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'))
          showSteps = action(getStr('steps'), self.showStepsDialog, None, 'help', getStr('steps'))
  
          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)
  
          ######## New actions #######
          AutoRec = action(getStr('autoRecognition'), self.autoRecognition,
                        'Ctrl+Shift+A', 'Auto', getStr('autoRecognition'), enabled=False)
  
          reRec = action(getStr('reRecognition'), self.reRecognition, 
                        'Ctrl+Shift+R', 'reRec', getStr('reRecognition'), enabled=False)
  
          createpoly = action(getStr('creatPolygon'), self.createPolygon,
                              'p', 'new', 'Creat Polygon', enabled=True)
  
          saveRec = action(getStr('saveRec'), self.saveRecResult,
                              '', 'save', getStr('saveRec'), enabled=False)
  
          saveLabel = action(getStr('saveLabel'), self.saveLabelFile, #
                              'Ctrl+S', 'save', getStr('saveLabel'), enabled=False)
  
          self.editButton.setDefaultAction(edit)
          self.newButton.setDefaultAction(create)
          self.DelButton.setDefaultAction(deleteImg)
          self.SaveButton.setDefaultAction(save)
          self.AutoRecognition.setDefaultAction(AutoRec)
          self.reRecogButton.setDefaultAction(reRec)
          # self.preButton.setDefaultAction(openPrevImg)
          # self.nextButton.setDefaultAction(openNextImg)
  
          ############# Zoom layout ##############
          zoomLayout = QHBoxLayout()
          zoomLayout.addStretch()
          self.zoominButton = QToolButton()
          self.zoominButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
          self.zoominButton.setDefaultAction(zoomIn)
          self.zoomoutButton = QToolButton()
          self.zoomoutButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
          self.zoomoutButton.setDefaultAction(zoomOut)
          self.zoomorgButton = QToolButton()
          self.zoomorgButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
          self.zoomorgButton.setDefaultAction(zoomOrg)
          zoomLayout.addWidget(self.zoominButton)
          zoomLayout.addWidget(self.zoomorgButton)
          zoomLayout.addWidget(self.zoomoutButton)
  
          zoomContainer = QWidget()
          zoomContainer.setLayout(zoomLayout)
          zoomContainer.setGeometry(0, 0, 30, 150)
  
          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(getStr('drawSquares'), 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,  open=open,  resetAll=resetAll, deleteImg=deleteImg,
                                lineColor=color1, create=create, delete=delete, edit=edit, copy=copy,
                                saveRec=saveRec,
                                createMode=createMode, editMode=editMode,
                                shapeLineColor=shapeLineColor, shapeFillColor=shapeFillColor,
                                zoom=zoom, zoomIn=zoomIn, zoomOut=zoomOut, zoomOrg=zoomOrg,
                                fitWindow=fitWindow, fitWidth=fitWidth,
                                zoomActions=zoomActions, saveLabel=saveLabel,
                                fileMenuActions=(
                                    open, opendir, saveLabel,  resetAll, quit),
                                beginner=(), advanced=(),
                                editMenu=(createpoly, edit, copy, delete,
                                          None, color1, self.drawSquaresOption),
                                beginnerContext=(create, edit, copy, delete),
                                advancedContext=(createMode, editMode, edit, copy,
                                                 delete, shapeLineColor, shapeFillColor),
                                onLoadActive=(
                                     create, createMode, editMode),
                                onShapesPresent=(hideAll, showAll))
  
          # menus
          self.menus = struct(
              file=self.menu('&'+getStr('mfile')),
              edit=self.menu('&'+getStr('medit')),
              view=self.menu('&'+getStr('mview')),
              autolabel=self.menu('&PaddleOCR'),
              help=self.menu('&'+getStr('mhelp')),
              recentFiles=QMenu('Open &Recent'),
              labelList=labelMenu)
  
  
          # 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,
                     (opendir, None, saveLabel, saveRec, None, resetAll, deleteImg, quit))
  
          addActions(self.menus.help, (showSteps, showInfo))
          addActions(self.menus.view, (
              self.displayLabelOption, # labels,
               None,
              hideAll, showAll, None,
              zoomIn, zoomOut, zoomOrg, None,
              fitWindow, fitWidth))
  
          addActions(self.menus.autolabel, (alcm, None, help)) #
  
          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, openNextImg, openPrevImg, verify, save, None, create, copy, delete, None,
          #     zoomIn, zoom, zoomOut, fitWindow, fitWidth)
          #
          # self.actions.advanced = (
          #     open, opendir, openNextImg, openPrevImg, save, 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(1200, 800))
  
          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))
  
          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
  
  
          # ADD:
          # 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)
  
  
      def noShapes(self):
          return not self.itemsToShapes
  
  
      def populateModeActions(self):
          self.canvas.menus[0].clear()
          addActions(self.canvas.menus[0], self.actions.beginnerContext)
          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 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.itemsToShapesbox.clear()  # ADD
          self.shapesToItemsbox.clear()
          self.labelList.clear()
          self.BoxList.clear()
          self.filePath = None
          self.imageData = None
          self.labelFile = None
          self.canvas.resetState()
          self.labelCoordinates.clear()
          # self.comboBox.cb.clear()
          self.result_dic = []
  
      def currentItem(self):
          items = self.labelList.selectedItems()
          if items:
              return items[0]
          return None
  
      def currentBox(self):
          items = self.BoxList.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 showStepsDialog(self):
          msg = stepsInfo(self.lang)
          QMessageBox.information(self, u'Information', msg)
  
      def createShape(self):
          assert self.beginner()
          self.canvas.setEditing(False)
          self.actions.create.setEnabled(False)
          self.canvas.fourpoint = False
  
      def createPolygon(self):
          assert self.beginner()
          self.canvas.setEditing(False)
          self.canvas.fourpoint = True
          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()
  
      ######## detection box related functions #######
  
      def boxItemChanged(self, item):
          shape = self.itemsToShapesbox[item]
  
          box = ast.literal_eval(item.text())
          # print('shape in labelItemChanged is',shape.points)
          if box != [(p.x(), p.y()) for p in shape.points]:
              # shape.points = box
              shape.points = [QPointF(p[0], p[1]) for p in box]
  
              # QPointF(x,y)
              # shape.line_color = generateColorByText(shape.label)
              self.setDirty()
          else:  # User probably changed item visibility
              self.canvas.setShapeVisible(shape, True)#item.checkState() == Qt.Checked
  
      def editBox(self):  # ADD
          if not self.canvas.editing():
              return
          item = self.currentBox()
          if not item:
              return
          text = self.labelDialog.popUp(item.text())
  
          imageSize = str(self.image.size())
          width, height = self.image.width(), self.image.height()
          if text:
              try:
                  text_list = eval(text)
              except:
                  msg_box = QMessageBox(QMessageBox.Warning, 'Warning', 'Please enter the correct format')
                  msg_box.exec_()
                  return
              if len(text_list) < 4:
                  msg_box = QMessageBox(QMessageBox.Warning, 'Warning', 'Please enter the coordinates of 4 points')
                  msg_box.exec_()
                  return
              for box in text_list:
                  if box[0] > width or box[0] < 0 or box[1] > height or box[1] < 0:
                      msg_box = QMessageBox(QMessageBox.Warning, 'Warning', 'Out of picture size')
                      msg_box.exec_()
                      return
  
              item.setText(text)
              # item.setBackground(generateColorByText(text))
              self.setDirty()
              self.updateComboBox()
  
      def updateBoxlist(self):
          shape = self.canvas.selectedShape
          item = self.shapesToItemsbox[shape]  # listitem
          text = [(int(p.x()), int(p.y())) for p in shape.points]
          item.setText(str(text))
          self.setDirty()
  
      def indexTo5Files(self, currIndex):
          if currIndex < 2:
              return self.mImgList[:5]
          elif currIndex > len(self.mImgList)-3:
              return self.mImgList[-5:]
          else:
              return self.mImgList[currIndex - 2 : currIndex + 3]
  
  
      # Tzutalin 20160906 : Add file list and dock to move faster
      def fileitemDoubleClicked(self, item=None):
          self.currIndex = self.mImgList.index(ustr(os.path.join(os.path.abspath(self.dirname), item.text())))
          filename = self.mImgList[self.currIndex]
          if filename:
              self.mImgList5 = self.indexTo5Files(self.currIndex)
              # self.additems5(None)
              self.loadFile(filename)
  
      def iconitemDoubleClicked(self, item=None):
          self.currIndex = self.mImgList.index(ustr(os.path.join(item.toolTip())))
          filename = self.mImgList[self.currIndex]
          if filename:
              self.mImgList5 = self.indexTo5Files(self.currIndex)
              # self.additems5(None)
              self.loadFile(filename)
  
      def CanvasSizeChange(self):
          if len(self.mImgList) > 0:
              self.zoomWidget.setValue(self.zoomWidgetValue + self.imgsplider.value())
  
      # 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)
                  self.shapesToItemsbox[shape].setSelected(True)  # ADD
              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.Unchecked) if shape.difficult else item.setCheckState(Qt.Checked)
          # Checked means difficult is False
          # item.setBackground(generateColorByText(shape.label))
          self.itemsToShapes[item] = shape
          self.shapesToItems[shape] = item
          self.labelList.addItem(item)
          # print('item in add label is ',[(p.x(), p.y()) for p in shape.points], shape.label)
  
          # ADD for box
          item = HashableQListWidgetItem(str([(int(p.x()), int(p.y())) for p in shape.points]))
          self.itemsToShapesbox[item] = shape
          self.shapesToItemsbox[shape] = item
          self.BoxList.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()
  
          # ADD:
          item = self.shapesToItemsbox[shape]
          self.BoxList.takeItem(self.BoxList.row(item))
          del self.shapesToItemsbox[shape]
          del self.itemsToShapesbox[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, mode='Auto'):
          # Mode is Auto means that labels will be loaded from self.result_dic totally, which is the output of ocr model
          annotationFilePath = ustr(annotationFilePath)
  
          def format_shape(s):
              # print('s in saveLabels is ',s)
              return dict(label=s.label,  # str
                          line_color=s.line_color.getRgb(),
                          fill_color=s.fill_color.getRgb(),
                          points=[(p.x(), p.y()) for p in s.points],  # QPonitF
                         # add chris
                          difficult=s.difficult)  # bool
  
          shapes = [] if mode == 'Auto' else \
              [format_shape(shape) for shape in self.canvas.shapes]
          # Can add differrent annotation formats here
  
          for box in self.result_dic:
              trans_dic = {"label": box[1][0], "points": box[0], 'difficult': False}
              if trans_dic["label"] is "" and mode == 'Auto':
                  continue
              shapes.append(trans_dic)
  
          try:
              trans_dic = []
              for box in shapes:
                  trans_dic.append({"transcription": box['label'], "points": box['points'], 'difficult': box['difficult']})
              self.PPlabel[annotationFilePath] = trans_dic
  
              if mode == 'Auto':
                  self.Cachelabel[annotationFilePath] = trans_dic
  
              # 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:
              self.errorMessage(u'Error saving label data')
              return False
  
      def copySelectedShape(self):
          self.addLabel(self.canvas.copySelectedShape())
          # fix copy and delete
          self.shapeSelectionChanged(True)
  
  
      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]
  
      def boxSelectionChanged(self):
          item = self.currentBox()
          if item and self.canvas.editing():
              self._noSelectionSlot = True
              self.canvas.selectShape(self.itemsToShapesbox[item])
              shape = self.itemsToShapesbox[item]
  
      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()
          elif not ((item.checkState()== Qt.Unchecked) ^ (not shape.difficult)):
              shape.difficult = True if item.checkState() == Qt.Unchecked else False
              self.setDirty()
          else:  # User probably changed item visibility
              self.canvas.setShapeVisible(shape, True)  # item.checkState() == Qt.Checked
              # self.actions.save.setEnabled(True)
  
      # Callback functions:
      def newShape(self):
          """Pop-up and give focus to the label editor.
  
          position MUST be in global coordinates.
          """
          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
  
          if text is not None:
              self.prevLabelText = self.stringBundle.getString('tempLabel')
              # generate_color = generateColorByText(text)
              shape = self.canvas.setLastLabel(text, None, None)#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()
  
          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):
          if value:
              self.actions.fitWidth.setChecked(False)
          self.zoomMode = self.FIT_WINDOW if value else self.MANUAL_ZOOM
          self.adjustScale()
  
      def setFitWidth(self, value=True):
          if value:
              self.actions.fitWindow.setChecked(False)
          self.zoomMode = self.FIT_WIDTH if value else self.MANUAL_ZOOM
          self.adjustScale()
  
      def togglePolygons(self, value):
          for item, shape in self.itemsToShapes.items():
              self.canvas.setShapeVisible(shape, value)
  
      def loadFile(self, filePath=None):
          """Load the specified file, or the last opened file if None."""
          self.resetState()
          self.canvas.setEnabled(False)
          if filePath is None:
              filePath = self.settings.get(SETTING_FILENAME)
  
          # Make sure that filePath is a regular python string, rather than QString
          filePath = ustr(filePath)
          # Fix bug: An index error after select a directory when open a new file.
          unicodeFilePath = ustr(filePath)
          # unicodeFilePath = os.path.abspath(unicodeFilePath)
          # Tzutalin 20160906 : Add file list and dock to move faster
          # Highlight the file item
          if unicodeFilePath and self.fileListWidget.count() > 0:
              if unicodeFilePath in self.mImgList:
                  index = self.mImgList.index(unicodeFilePath)
                  fileWidgetItem = self.fileListWidget.item(index)
                  print('unicodeFilePath is', unicodeFilePath)
                  fileWidgetItem.setSelected(True)
                  ###
                  self.iconlist.clear()
                  self.additems5(None)
                  for i in range(5):
                      item_tooltip = self.iconlist.item(i).toolTip()
                      # print(i,"---",item_tooltip)
                      if item_tooltip == ustr(filePath):
                          titem = self.iconlist.item(i)
                          titem.setSelected(True)
                          self.iconlist.scrollToItem(titem)
                          break 
              else:
                  self.fileListWidget.clear()
                  self.mImgList.clear()
                  self.iconlist.clear()
  
          # if unicodeFilePath and self.iconList.count() > 0:
          #     if unicodeFilePath in self.mImgList:
                  
          if unicodeFilePath and os.path.exists(unicodeFilePath):
              self.imageData = read(unicodeFilePath, None)
              self.canvas.verified = False
  
              image = QImage.fromData(self.imageData)
              if image.isNull():
                  self.errorMessage(u'Error opening file',
                                    u"<p>Make sure <i>%s</i> is a valid image file." % unicodeFilePath)
                  self.status("Error reading %s" % unicodeFilePath)
                  return False
              self.status("Loaded %s" % os.path.basename(unicodeFilePath))
              self.image = image
              self.filePath = unicodeFilePath
              self.canvas.loadPixmap(QPixmap.fromImage(image))
  
              if self.validFilestate(filePath) is True:
                  self.setClean()
              else:
                  self.dirty = False
                  self.actions.save.setEnabled(True)
  
              self.canvas.setEnabled(True)
              self.adjustScale(initial=True)
              self.paintCanvas()
              self.addRecentFile(self.filePath)
              self.toggleActions(True)
              self.showBoundingBoxFromPPlabel(filePath)
              
              self.setWindowTitle(__appname__ + ' ' + filePath)
  
              # Default : select last item if there is at least one item
              if self.labelList.count():
                  self.labelList.setCurrentItem(self.labelList.item(self.labelList.count() - 1))
                  self.labelList.item(self.labelList.count() - 1).setSelected(True)
  
              self.canvas.setFocus(True)
              return True
          return False
  
      
      def showBoundingBoxFromPPlabel(self, filePath):
          imgidx = self.getImglabelidx(filePath)
          if imgidx not in self.PPlabel.keys():
              return
          shapes = []
          for box in self.PPlabel[imgidx]:
              shapes.append((box['transcription'], box['points'], None, None, box['difficult']))
  
          print(shapes)
          self.loadLabels(shapes)
          self.canvas.verified = False
  
  
      def validFilestate(self, filePath):
          if filePath not in self.fileStatedict.keys():
              return None
          elif self.fileStatedict[filePath] == 1:
              return True
          else:
              return False
  
      def resizeEvent(self, event):
          if self.canvas and not self.image.isNull() \
             and self.zoomMode != self.MANUAL_ZOOM:
              self.adjustScale()
          super(MainWindow, self).resizeEvent(event)
  
      def paintCanvas(self):
          assert not self.image.isNull(), "cannot paint null image"
          self.canvas.scale = 0.01 * self.zoomWidget.value()
          self.canvas.adjustSize()
          self.canvas.update()
  
      def adjustScale(self, initial=False):
          value = self.scalers[self.FIT_WINDOW if initial else self.zoomMode]()
          self.zoomWidget.setValue(int(100 * value))
  
      def scaleFitWindow(self):
          """Figure out the size of the pixmap in order to fit the main widget."""
          e = 2.0  # So that no scrollbars are generated.
          w1 = self.centralWidget().width() - e
          h1 = self.centralWidget().height() - e -110
          a1 = w1 / h1
          # Calculate a new scale value based on the pixmap's aspect ratio.
          w2 = self.canvas.pixmap.width() - 0.0
          h2 = self.canvas.pixmap.height() - 0.0
          a2 = w2 / h2
          return w1 / w2 if a2 >= a1 else h1 / h2
  
      def scaleFitWidth(self):
          # The epsilon does not seem to work too well here.
          w = self.centralWidget().width() - 2.0
          return w / self.canvas.pixmap.width()
  
      def closeEvent(self, event):
          if not self.mayContinue():
              event.ignore()
          else:
              settings = self.settings
              # If it loads images from dir, don't load it at the begining
              if self.dirname is None:
                  settings[SETTING_FILENAME] = self.filePath if self.filePath else ''
              else:
                  settings[SETTING_FILENAME] = ''
  
              settings[SETTING_WIN_SIZE] = self.size()
              settings[SETTING_WIN_POSE] = self.pos()
              settings[SETTING_WIN_STATE] = self.saveState()
              settings[SETTING_LINE_COLOR] = self.lineColor
              settings[SETTING_FILL_COLOR] = self.fillColor
              settings[SETTING_RECENT_FILES] = self.recentFiles
              settings[SETTING_ADVANCE_MODE] = not self._beginner
              if self.defaultSaveDir and os.path.exists(self.defaultSaveDir):
                  settings[SETTING_SAVE_DIR] = ustr(self.defaultSaveDir)
              else:
                  settings[SETTING_SAVE_DIR] = ''
  
              if self.lastOpenDir and os.path.exists(self.lastOpenDir):
                  settings[SETTING_LAST_OPEN_DIR] = self.lastOpenDir
              else:
                  settings[SETTING_LAST_OPEN_DIR] = ''
  
              settings[SETTING_SINGLE_CLASS] = self.singleClassMode.isChecked()
              settings[SETTING_PAINT_LABEL] = self.displayLabelOption.isChecked()
              settings[SETTING_DRAW_SQUARE] = self.drawSquaresOption.isChecked()
              settings.save()
              try:
                  self.saveLabelFile()
              except:
                  pass
  
      def loadRecent(self, filename):
          if self.mayContinue():
              self.loadFile(filename)
  
      def scanAllImages(self, folderPath):
          extensions = ['.%s' % fmt.data().decode("ascii").lower() for fmt in QImageReader.supportedImageFormats()]
          images = []
  
          for file in os.listdir(folderPath):
              if file.lower().endswith(tuple(extensions)):
                  relativePath = os.path.join(folderPath, file)
                  path = ustr(os.path.abspath(relativePath))
                  images.append(path)
          natural_sort(images, key=lambda x: x.lower())
          return images
  
  
  
      def openDirDialog(self, _value=False, dirpath=None, silent=False):
          if not self.mayContinue():
              return
  
          defaultOpenDirPath = dirpath if dirpath else '.'
          if self.lastOpenDir and os.path.exists(self.lastOpenDir):
              defaultOpenDirPath = self.lastOpenDir
          else:
              defaultOpenDirPath = os.path.dirname(self.filePath) if self.filePath else '.'
          if silent != True:
              targetDirPath = ustr(QFileDialog.getExistingDirectory(self,
                                                           '%s - Open Directory' % __appname__,
                                                           defaultOpenDirPath,
                                                           QFileDialog.ShowDirsOnly | QFileDialog.DontResolveSymlinks))
          else:
              targetDirPath = ustr(defaultOpenDirPath)
          self.lastOpenDir = targetDirPath
          self.importDirImages(targetDirPath)
  
      def importDirImages(self, dirpath, isDelete = False):
          if not self.mayContinue() or not dirpath:
              return
          if self.defaultSaveDir and self.defaultSaveDir != dirpath:
              self.saveLabelFile()
  
          if not isDelete:
              self.loadFilestate(dirpath)
              self.PPlabelpath = dirpath+ '/Label.txt'
              self.PPlabel = self.loadLabelFile(self.PPlabelpath)
              self.Cachelabelpath = dirpath + '/Cache.cach'
              self.Cachelabel = self.loadLabelFile(self.Cachelabelpath)
              if self.Cachelabel:
                  self.PPlabel = dict(self.Cachelabel, **self.PPlabel)
          self.lastOpenDir = dirpath
          self.dirname = dirpath
  
  
          self.defaultSaveDir = dirpath
          self.statusBar().showMessage('%s started. Annotation will be saved to %s' %
                                       (__appname__, self.defaultSaveDir))
          self.statusBar().show()
  
          self.filePath = None
          self.fileListWidget.clear()
          self.mImgList = self.scanAllImages(dirpath)
          self.mImgList5 = self.mImgList[:5]
          self.openNextImg()
          doneicon = newIcon('done')
          closeicon = newIcon('close')
          for imgPath in self.mImgList:
              filename = os.path.basename(imgPath)
              if self.validFilestate(imgPath) is True:
                  item = QListWidgetItem(doneicon, filename)
              else:
                  item = QListWidgetItem(closeicon, filename)
              self.fileListWidget.addItem(item)
  
          print('dirPath in importDirImages is', dirpath)
          self.iconlist.clear()
          self.additems5(dirpath)
          self.changeFileFolder = True
          self.haveAutoReced = False
          self.AutoRecognition.setEnabled(True)
          self.reRecogButton.setEnabled(True)
          self.actions.saveLabel.setEnabled(True)
  
  
      def openPrevImg(self, _value=False):
          if len(self.mImgList) <= 0:
              return
  
          if self.filePath is None:
              return
          
          currIndex = self.mImgList.index(self.filePath)
          self.mImgList5 = self.mImgList[:5]
          if currIndex - 1 >= 0:
              filename = self.mImgList[currIndex - 1]
              self.mImgList5 = self.indexTo5Files(currIndex - 1)
              if filename:
                  self.loadFile(filename)
  
      def openNextImg(self, _value=False):
          if not self.mayContinue():
              return
  
          if len(self.mImgList) <= 0:
              return
  
          filename = None
          if self.filePath is None:
              filename = self.mImgList[0]
              self.mImgList5 = self.mImgList[:5]
          else:
              currIndex = self.mImgList.index(self.filePath)
              if currIndex + 1 < len(self.mImgList):
                  filename = self.mImgList[currIndex + 1]
                  self.mImgList5 = self.indexTo5Files(currIndex + 1)
              else:
                  self.mImgList5 = self.indexTo5Files(currIndex)
          if filename:
              print('file name in openNext is ',filename)
              self.loadFile(filename)
  
      def openFile(self, _value=False):
          if not self.mayContinue():
              return
          path = os.path.dirname(ustr(self.filePath)) if self.filePath else '.'
          formats = ['*.%s' % fmt.data().decode("ascii").lower() for fmt in QImageReader.supportedImageFormats()]
          filters = "Image & Label files (%s)" % ' '.join(formats + ['*%s' % LabelFile.suffix])
          filename = QFileDialog.getOpenFileName(self, '%s - Choose Image or Label file' % __appname__, path, filters)
          if filename:
              if isinstance(filename, (tuple, list)):
                  filename = filename[0]
              self.loadFile(filename)
              # print('filename in openfile is ', self.filePath)
          self.filePath = None
          self.fileListWidget.clear()
          self.iconlist.clear()
          self.mImgList = [filename]
          self.openNextImg()
          if self.validFilestate(filename) is True:
              item = QListWidgetItem(newIcon('done'), filename)
              self.setClean()
          elif self.validFilestate(filename) is None:
              item = QListWidgetItem(newIcon('close'), filename)
          else:
              item = QListWidgetItem(newIcon('close'), filename)
              self.setDirty()
          self.fileListWidget.addItem(filename)
          self.additems5(None)
          print('opened image is', filename)
          
      def updateFileListIcon(self, filename):
          pass
  
      def saveFile(self, _value=False, mode='Manual'):
          # Manual mode is used for users click "Save" manually,which will change the state of the image
          if self.filePath:
              imgidx = self.getImglabelidx(self.filePath)
              self._saveFile(imgidx, mode=mode)
  
  
      def saveFileAs(self, _value=False):
          assert not self.image.isNull(), "cannot save empty image"
          self._saveFile(self.saveFileDialog())
  
      def saveFileDialog(self, removeExt=True):
          caption = '%s - Choose File' % __appname__
          filters = 'File (*%s)' % LabelFile.suffix
          openDialogPath = self.currentPath()
          dlg = QFileDialog(self, caption, openDialogPath, filters)
          dlg.setDefaultSuffix(LabelFile.suffix[1:])
          dlg.setAcceptMode(QFileDialog.AcceptSave)
          filenameWithoutExtension = os.path.splitext(self.filePath)[0]
          dlg.selectFile(filenameWithoutExtension)
          dlg.setOption(QFileDialog.DontUseNativeDialog, False)
          if dlg.exec_():
              fullFilePath = ustr(dlg.selectedFiles()[0])
              if removeExt:
                  return os.path.splitext(fullFilePath)[0]  # Return file path without the extension.
              else:
                  return fullFilePath
          return ''
  
      def _saveFile(self, annotationFilePath, mode='Manual'):
          if mode == 'Manual':
              if annotationFilePath and self.saveLabels(annotationFilePath, mode=mode):
                  self.setClean()
                  self.statusBar().showMessage('Saved to  %s' % annotationFilePath)
                  self.statusBar().show()
                  currIndex = self.mImgList.index(self.filePath)
                  item = self.fileListWidget.item(currIndex)
                  item.setIcon(newIcon('done'))
  
                  self.fileStatedict[self.filePath] = 1
                  if len(self.fileStatedict)%self.autoSaveNum ==0:
                      self.saveFilestate()
                      self.savePPlabel(mode='Auto')
  
                  self.fileListWidget.insertItem(int(currIndex), item)
                  self.openNextImg()
                  self.actions.saveRec.setEnabled(True)
  
          elif mode == 'Auto':
              if annotationFilePath and self.saveLabels(annotationFilePath, mode=mode):
  
                  self.setClean()
                  self.statusBar().showMessage('Saved to  %s' % annotationFilePath)
                  self.statusBar().show()
  
      def closeFile(self, _value=False):
          if not self.mayContinue():
              return
          self.resetState()
          self.setClean()
          self.toggleActions(False)
          self.canvas.setEnabled(False)
          self.actions.saveAs.setEnabled(False)
  
      def deleteImg(self):
          deletePath = self.filePath
          if deletePath is not None:
              deleteInfo = self.deleteImgDialog()
              if deleteInfo == QMessageBox.Yes:
                  if platform.system() == 'Windows':
                      from win32com.shell import shell, shellcon
                      shell.SHFileOperation((0, shellcon.FO_DELETE, deletePath, None,
                                                 shellcon.FOF_SILENT | shellcon.FOF_ALLOWUNDO | shellcon.FOF_NOCONFIRMATION,
                                                 None, None))
                      # linux
                  elif platform.system() == 'Linux':
                      cmd = 'trash ' + deletePath
                      os.system(cmd)
                      # macOS
                  elif platform.system() == 'Darwin':
                      import subprocess
                      absPath = os.path.abspath(deletePath).replace('\\', '\\\\').replace('"', '\\"')
                      cmd = ['osascript', '-e',
                             'tell app "Finder" to move {the POSIX file "' + absPath + '"} to trash']
                      print(cmd)
                      subprocess.call(cmd, stdout=open(os.devnull, 'w'))
  
                  if self.filePath in self.fileStatedict.keys():
                      self.fileStatedict.pop(self.filePath)
                  imgidx = self.getImglabelidx(self.filePath)
                  if imgidx in self.PPlabel.keys():
                      self.PPlabel.pop(imgidx)
                  self.openNextImg()
                  self.importDirImages(self.lastOpenDir, isDelete=True)
  
      def deleteImgDialog(self):
          yes, cancel = QMessageBox.Yes, QMessageBox.Cancel
          msg = u'The image will be deleted to the recycle bin'
          return QMessageBox.warning(self, u'Attention', msg, yes | cancel)
  
      def resetAll(self):
          self.settings.reset()
          self.close()
          proc = QProcess()
          proc.startDetached(os.path.abspath(__file__))
  
      def mayContinue(self):  #
          if not self.dirty:                                    
              return True
          else:
              discardChanges = self.discardChangesDialog()
              if discardChanges == QMessageBox.No:
                  return True
              elif discardChanges == QMessageBox.Yes:
                  self.saveFile()
                  return True
              else:
                  return False
  
      def discardChangesDialog(self):
          yes, no, cancel = QMessageBox.Yes, QMessageBox.No, QMessageBox.Cancel
          msg = u'You have unsaved changes, would you like to save them and proceed?\nClick "No" to undo all changes.'
          return QMessageBox.warning(self, u'Attention', msg, yes | no | cancel)
  
      def errorMessage(self, title, message):
          return QMessageBox.critical(self, title,
                                      '<p><b>%s</b></p>%s' % (title, message))
  
      def currentPath(self):
          return os.path.dirname(self.filePath) if self.filePath else '.'
  
      def chooseColor1(self):
          color = self.colorDialog.getColor(self.lineColor, u'Choose line color',
                                            default=DEFAULT_LINE_COLOR)
          if color:
              self.lineColor = color
              Shape.line_color = color
              self.canvas.setDrawingColor(color)
              self.canvas.update()
              self.setDirty()
  
      def deleteSelectedShape(self):
          self.remLabel(self.canvas.deleteSelected())
          self.setDirty()
          if self.noShapes():
              for action in self.actions.onShapesPresent:
                  action.setEnabled(False)
  
      def chshapeLineColor(self):
          color = self.colorDialog.getColor(self.lineColor, u'Choose line color',
                                            default=DEFAULT_LINE_COLOR)
          if color:
              self.canvas.selectedShape.line_color = color
              self.canvas.update()
              self.setDirty()
  
      def chshapeFillColor(self):
          color = self.colorDialog.getColor(self.fillColor, u'Choose fill color',
                                            default=DEFAULT_FILL_COLOR)
          if color:
              self.canvas.selectedShape.fill_color = color
              self.canvas.update()
              self.setDirty()
  
      def copyShape(self):
          self.canvas.endMove(copy=True)
          self.addLabel(self.canvas.selectedShape)
          self.setDirty()
  
      def moveShape(self):
          self.canvas.endMove(copy=False)
          self.setDirty()
  
      def loadPredefinedClasses(self, predefClassesFile):
          if os.path.exists(predefClassesFile) is True:
              with codecs.open(predefClassesFile, 'r', 'utf8') as f:
                  for line in f:
                      line = line.strip()
                      if self.labelHist is None:
                          self.labelHist = [line]
                      else:
                          self.labelHist.append(line)
  
  
      def togglePaintLabelsOption(self):
          for shape in self.canvas.shapes:
              shape.paintLabel = self.displayLabelOption.isChecked()
  
      def toogleDrawSquare(self):
          self.canvas.setDrawingShapeToSquare(self.drawSquaresOption.isChecked())
  
      def additems(self, dirpath):
          for file in self.mImgList:
              pix = QPixmap(file)
              _, filename = os.path.split(file)
              filename, _ = os.path.splitext(filename)
              item = QListWidgetItem(QIcon(pix.scaled(100, 100, Qt.IgnoreAspectRatio, Qt.FastTransformation)),
                                     filename[:10])
              item.setToolTip(file)
              self.iconlist.addItem(item)
  
      def additems5(self, dirpath):
          for file in self.mImgList5:
              pix = QPixmap(file)
              _, filename = os.path.split(file)
              filename, _ = os.path.splitext(filename)
              pfilename = filename[:10]
              if len(pfilename) < 10:
                  lentoken = 12 - len(pfilename)
                  prelen = lentoken // 2
                  bfilename = prelen * " " + pfilename + (lentoken - prelen) * " "
              # item = QListWidgetItem(QIcon(pix.scaled(100, 100, Qt.KeepAspectRatio, Qt.SmoothTransformation)),filename[:10])
              item = QListWidgetItem(QIcon(pix.scaled(100, 100, Qt.IgnoreAspectRatio, Qt.FastTransformation)),pfilename)
              # item.setForeground(QBrush(Qt.white))
              item.setToolTip(file)
              self.iconlist.addItem(item)
          owidth = 0
          for index in range(len(self.mImgList5)):
              item = self.iconlist.item(index)
              itemwidget = self.iconlist.visualItemRect(item)
              owidth += itemwidget.width()
          self.iconlist.setMinimumWidth(owidth + 50)
  
      def getImglabelidx(self, filePath):
          if platform.system()=='Windows':
              spliter = '\\'
          else:
              spliter = '/'
          filepathsplit = filePath.split(spliter)[-2:]
          return filepathsplit[0] + '/' + filepathsplit[1]
  
      def autoRecognition(self):
          assert self.mImgList is not None
          print('Using model from ', self.model)
  
          uncheckedList = [i for i in self.mImgList if i not in self.fileStatedict.keys()]
          self.autoDialog = AutoDialog(parent=self, ocr=self.ocr, mImgList=uncheckedList, lenbar=len(uncheckedList))
          self.autoDialog.popUp()
          self.currIndex=len(self.mImgList)
          self.loadFile(self.filePath) # ADD
          self.haveAutoReced = True
          self.AutoRecognition.setEnabled(False)
          self.setDirty()
          self.saveCacheLabel()
  
  
      def reRecognition(self):
          img = cv2.imread(self.filePath)
          # org_box = [dic['points'] for dic in self.PPlabel[self.getImglabelidx(self.filePath)]]
          if self.canvas.shapes:
              self.result_dic = []
              rec_flag = 0
              for shape in self.canvas.shapes:
                  box = [[int(p.x()), int(p.y())] for p in shape.points]
                  assert len(box) == 4
                  img_crop = get_rotate_crop_image(img, np.array(box, np.float32))
                  if img_crop is None:
                      msg = 'Can not recognise the detection box in ' + self.filePath + '. Please change manually'
                      QMessageBox.information(self, "Information", msg)
                      return
                  result = self.ocr.ocr(img_crop, cls=True, det=False)
                  if result[0][0] is not '':
                      result.insert(0, box)
                      print('result in reRec is ', result)
                      self.result_dic.append(result)
                      if result[1][0] == shape.label:
                          print('label no change')
                      else:
                          rec_flag += 1
  
              if len(self.result_dic) > 0 and rec_flag > 0:
                  self.saveFile(mode='Auto')
                  self.loadFile(self.filePath)
                  self.setDirty()
              elif len(self.result_dic) == len(self.canvas.shapes) and rec_flag == 0:
                  QMessageBox.information(self, "Information", "The recognition result remains unchanged!")
              else:
                  print('Can not recgonise in ', self.filePath)
          else:
              QMessageBox.information(self, "Information", "Draw a box!")
  
  
      def autolcm(self):
          vbox = QVBoxLayout()
          hbox = QHBoxLayout()
          self.panel = QLabel()
          self.panel.setText(self.stringBundle.getString('choseModelLg'))
          self.panel.setAlignment(Qt.AlignLeft)
          self.comboBox = QComboBox()
          self.comboBox.setObjectName("comboBox")
          self.comboBox.addItems(['Chinese & English', 'English', 'French', 'German', 'Korean', 'Japanese'])
          vbox.addWidget(self.panel)
          vbox.addWidget(self.comboBox)
          self.dialog = QDialog()
          self.dialog.resize(300, 100)
          self.okBtn = QPushButton(self.stringBundle.getString('ok'))
          self.cancelBtn = QPushButton(self.stringBundle.getString('cancel'))
  
          self.okBtn.clicked.connect(self.modelChoose)
          self.cancelBtn.clicked.connect(self.cancel)
          self.dialog.setWindowTitle(self.stringBundle.getString('choseModelLg'))
  
          hbox.addWidget(self.okBtn)
          hbox.addWidget(self.cancelBtn)
  
          vbox.addWidget(self.panel)
          vbox.addLayout(hbox)
          self.dialog.setLayout(vbox)
          self.dialog.setWindowModality(Qt.ApplicationModal)
          self.dialog.exec_()
          if self.filePath:
              self.AutoRecognition.setEnabled(True)
  
  
      def modelChoose(self):
          print(self.comboBox.currentText())
          lg_idx = {'Chinese & English': 'ch', 'English': 'en', 'French': 'french', 'German': 'german',
                    'Korean': 'korean', 'Japanese': 'japan'}
          del self.ocr
          self.ocr = PaddleOCR(use_pdserving=False, use_angle_cls=True, det=True, cls=True, use_gpu=False,
                               lang=lg_idx[self.comboBox.currentText()])
          self.dialog.close()
  
      def cancel(self):
          self.dialog.close()
  
      def loadFilestate(self, saveDir):
          self.fileStatepath = saveDir + '/fileState.txt'
          self.fileStatedict = {}
          if not os.path.exists(self.fileStatepath):
              f = open(self.fileStatepath, 'w', encoding='utf-8')
          else:
              with open(self.fileStatepath, 'r', encoding='utf-8') as f:
                  states = f.readlines()
                  for each in states:
                      file, state = each.split('\t')
                      self.fileStatedict[file] = 1
  
  
      def saveFilestate(self):
          with open(self.fileStatepath, 'w', encoding='utf-8') as f:
              for key in self.fileStatedict:
                  f.write(key + '\t')
                  f.write(str(self.fileStatedict[key]) + '\n')
  
  
      def loadLabelFile(self, labelpath):
          labeldict = {}
          if not os.path.exists(labelpath):
              f = open(labelpath, 'w', encoding='utf-8')
  
          else:
              with open(labelpath, 'r', encoding='utf-8') as f:
                  data = f.readlines()
                  for each in data:
                      file, label = each.split('\t')
                      if label:
                          label = label.replace('false', 'False')
                          label = label.replace('true', 'True')
                          labeldict[file] = eval(label)
                      else:
                          labeldict[file] = []
          return labeldict
  
  
      def savePPlabel(self,mode='Manual'):
          savedfile = [self.getImglabelidx(i) for i in self.fileStatedict.keys()]
          with open(self.PPlabelpath, 'w', encoding='utf-8') as f:
              for key in self.PPlabel:
                  if key in savedfile and self.PPlabel[key] != []:
                      f.write(key + '\t')
                      f.write(json.dumps(self.PPlabel[key], ensure_ascii=False) + '\n')
  
          if mode=='Manual':
              msg = 'Images that have been checked are saved in '+ self.PPlabelpath
              QMessageBox.information(self, "Information", msg)
  
      def saveCacheLabel(self):
          with open(self.Cachelabelpath, 'w', encoding='utf-8') as f:
              for key in self.Cachelabel:
                  f.write(key + '\t')
                  f.write(json.dumps(self.Cachelabel[key], ensure_ascii=False) + '\n')
  
      def saveLabelFile(self):
          self.saveFilestate()
          self.savePPlabel()
  
      def saveRecResult(self):
          if None in [self.PPlabelpath, self.PPlabel, self.fileStatedict]:
              QMessageBox.information(self, "Information", "Save file first")
              return
  
          rec_gt_dir = os.path.dirname(self.PPlabelpath) + '/rec_gt.txt'
          crop_img_dir = os.path.dirname(self.PPlabelpath) + '/crop_img/'
          if not os.path.exists(crop_img_dir):
              os.mkdir(crop_img_dir)
  
          with open(rec_gt_dir, 'w', encoding='utf-8') as f:
              for key in self.fileStatedict:
                  idx = self.getImglabelidx(key)
                  for i, label in enumerate(self.PPlabel[idx]):
                      if label['difficult']: continue
                      img = cv2.imread(key)
                      img_crop = get_rotate_crop_image(img, np.array(label['points'], np.float32))
                      img_name = os.path.splitext(os.path.basename(idx))[0] + '_crop_'+str(i)+'.jpg'
                      cv2.imwrite(crop_img_dir+img_name, img_crop)
                      f.write('crop_img/'+ img_name + '\t')
                      f.write(label['transcription'] + '\n')
  
          QMessageBox.information(self, "Information", "Cropped images has been saved in "+str(crop_img_dir))
  
  def inverted(color):
      return QColor(*[255 - v for v in color.getRgb()])
  
  
  def read(filename, default=None):
      try:
          with open(filename, 'rb') as f:
              return f.read()
      except:
          return default
  
  
  def get_main_app(argv=[]):
      """
      Standard boilerplate Qt application code.
      Do everything but app.exec_() -- so that we can test the application in one thread
      """
      app = QApplication(argv)
      app.setApplicationName(__appname__)
      app.setWindowIcon(newIcon("app"))
      # Tzutalin 201705+: Accept extra agruments to change predefined class file
      argparser = argparse.ArgumentParser()
      argparser.add_argument("--lang", default='en', nargs="?")
      argparser.add_argument("--predefined_classes_file",
                             default=os.path.join(os.path.dirname(__file__), "data", "predefined_classes.txt"),
                             nargs="?")
      args = argparser.parse_args(argv[1:])
      # Usage : labelImg.py image predefClassFile saveDir
      win = MainWindow(lang=args.lang,
                       defaultPrefdefClassFile=args.predefined_classes_file)
      win.show()
      return app, win
  
  
  def main():
      '''construct main app and run it'''
      app, _win = get_main_app(sys.argv)
      return app.exec_()
  
  
  if __name__ == '__main__':
          
      resource_file = './libs/resources.py'
      if not os.path.exists(resource_file):
          output = os.system('pyrcc5 -o libs/resources.py resources.qrc')
          assert output is 0, "operate the cmd have some problems ,please check  whether there is a in the lib " \
                              "directory resources.py "
      import libs.resources
      sys.exit(main())
  