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labelImg.py
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labelImg.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import
import codecs
import distutils.spawn
import os
import platform
import re
import sys
import subprocess
from functools import partial
from collections import defaultdict
from libs.naturalsort import natsort
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 *
# Add internal libs
from libs.constants import *
from libs.lib import struct, newAction, newIcon, addActions, fmtShortcut, generateColorByText
from libs.settings import Settings
from libs.shape import Shape, DEFAULT_LINE_COLOR, DEFAULT_FILL_COLOR
from libs.canvas import Canvas
from libs.zoomWidget import ZoomWidget
from libs.labelDialog import LabelDialog
from libs.labelFile import LabelFile, LabelFileError
from libs.pascal_voc_io import PascalVocReader, XML_EXT
from libs.ustr import ustr
from libs.labelView import CLabelView, HashableQStandardItem
from libs.fileView import CFileView
__appname__ = 'labelImg2'
# Utility functions and classes.
def have_qstring():
'''p3/qt5 get rid of QString wrapper as py3 has native unicode str type'''
return not (sys.version_info.major >= 3 or QT_VERSION_STR.startswith('5.'))
def util_qt_strlistclass():
return QStringList if have_qstring() else list
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 = QToolBar(title)
toolbar.setObjectName(u'%sToolBar' % title)
if actions:
if isinstance(action, QWidgetAction):
return super(ToolBar, self).addAction(action)
btn = QToolButton()
btn.setDefaultAction(action)
btn.setToolButtonStyle(Qt.ToolButtonIconOnly)
toolbar.addWidget(btn)
self.addToolBar(Qt.TopToolBarArea, 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
# Save as Pascal voc xml
self.defaultSaveDir = defaultSaveDir
# For loading all image under a directory
self.dirname = None
self.labelHist = []
self.lastOpenDir = None
# Whether we need to save or not.
self.dirty = False
self._noSelectionSlot = False
# Load predefined classes to the list
self.loadPredefinedClasses(defaultPrefdefClassFile)
# Main widgets and related state.
self.labelDialog = LabelDialog(parent=self, listItem=self.labelHist)
self.ShapeItemDict = {}
self.ItemShapeDict = {}
labellistLayout = QVBoxLayout()
labellistLayout.setContentsMargins(0, 0, 0, 0)
self.default_label = self.labelHist[0]
# Create a widget for edit and diffc button
self.diffcButton = QCheckBox(u'difficult')
self.diffcButton.setChecked(False)
self.diffcButton.stateChanged.connect(self.btnstate)
self.editButton = QToolButton()
self.editButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
labellistLayout.addWidget(self.editButton)
labellistLayout.addWidget(self.diffcButton)
# Create and add a widget for showing current label items
labelListContainer = QWidget()
labelListContainer.setLayout(labellistLayout)
self.labelList = CLabelView(self.labelHist)
self.labelModel = self.labelList.model()
self.labelModel.dataChanged.connect(self.labelDataChanged)
self.labelList.extraEditing.connect(self.updateLabelShowing)
self.labelsm = self.labelList.selectionModel()
self.labelsm.currentChanged.connect(self.labelCurrentChanged)
myHeader = self.labelList.verticalHeader()
myHeader.clicked.connect(self.labelHeaderClicked)
labellistLayout.addWidget(self.labelList)
self.dock = QDockWidget(u'Box Labels', self)
self.dock.setObjectName(u'Labels')
self.dock.setWidget(labelListContainer)
self.labelList.toggleEdit.connect(self.toggleExtraEditing)
self.fileListView = CFileView()
self.fileModel = self.fileListView.model()
self.filesm = self.fileListView.selectionModel()
self.filesm.currentChanged.connect(self.fileCurrentChanged)
filelistLayout = QVBoxLayout()
filelistLayout.setContentsMargins(0, 0, 0, 0)
self.prevButton = QToolButton()
self.nextButton = QToolButton()
self.playButton = QToolButton()
self.prevButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.nextButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.playButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.controlButtonsLayout = QHBoxLayout()
self.controlButtonsLayout.setAlignment(Qt.AlignLeft)
self.controlButtonsLayout.addWidget(self.prevButton)
self.controlButtonsLayout.addWidget(self.nextButton)
self.controlButtonsLayout.addWidget(self.playButton)
filelistLayout.addLayout(self.controlButtonsLayout)
filelistLayout.addWidget(self.fileListView)
fileListContainer = QWidget()
fileListContainer.setLayout(filelistLayout)
self.filedock = QDockWidget(u'File List', self)
self.filedock.setObjectName(u'Files')
self.filedock.setWidget(fileListContainer)
self.zoomWidget = ZoomWidget()
scroll = QScrollArea()
self.canvas = Canvas(parent=scroll)
self.canvas.zoomRequest.connect(self.zoomRequest)
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.canvas.cancelDraw.connect(self.createCancel)
self.canvas.toggleEdit.connect(self.toggleExtraEditing)
self.setCentralWidget(scroll)
self.addDockWidget(Qt.RightDockWidgetArea, self.dock)
self.addDockWidget(Qt.RightDockWidgetArea, self.filedock)
self.dock.setFeatures(QDockWidget.DockWidgetFloatable)
self.filedock.setFeatures(QDockWidget.DockWidgetFloatable)
self.displayTimer = QTimer(self)
self.displayTimer.setInterval(1000)
self.displayTimer.timeout.connect(self.autoNext)
self.playing = False
# Actions
action = partial(newAction, self)
quit = action('&Quit', self.close,
'Ctrl+Q', 'power.svg', u'Quit application')
open = action('&Open', self.openFile,
'Ctrl+O', 'open.svg', u'Open image or label file')
opendir = action('&Open Dir', self.openDirDialog,
'Ctrl+u', 'dir.svg', u'Open Dir')
changeSavedir = action('&Change Save Dir', self.changeSavedirDialog,
'Ctrl+r', 'dir.svg', u'Change default saved Annotation dir')
openAnnotation = action('&Open Annotation', self.openAnnotationDialog,
'Ctrl+Shift+O', 'open.svg', u'Open Annotation')
verify = action('&Verify Image', self.verifyImg,
'space', 'downloaded.svg', u'Verify Image')
save = action('&Save', self.saveFile,
'Ctrl+S', 'save.svg', u'Save labels to file', enabled=False)
saveAs = action('&Save As', self.saveFileAs,
'Ctrl+Shift+S', 'save.svg', u'Save labels to a different file', enabled=False)
close = action('&Close', self.closeFile, 'Ctrl+W', 'close.svg', u'Close current file')
resetAll = action('&ResetAll', self.resetAll, None, 'reset.svg', u'Reset all')
create = action('Create\nRectBox', self.createShape,
'w', 'rect.png', u'Draw a new Box', enabled=False)
createSo = action('Create\nSolidRectBox', self.createSoShape,
None, 'rect.png', None, enabled=False)
createRo = action('Create\nRotatedRBox', self.createRoShape,
'e', 'rectRo.png', u'Draw a new RotatedRBox', enabled=False)
delete = action('Delete\nRectBox', self.deleteSelectedShape,
'Delete', 'cancel2.svg', u'Delete', enabled=False)
copy = action('&Duplicate\nRectBox', self.copySelectedShape,
'Ctrl+D', 'copy.svg', u'Create a duplicate of the selected Box',
enabled=False)
showInfo = action('&About', self.showInfoDialog, None, 'info.svg', u'About')
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('Zoom &In', partial(self.addZoom, 10),
'Ctrl++', 'zoom-in.svg', u'Increase zoom level', enabled=False)
zoomOut = action('&Zoom Out', partial(self.addZoom, -10),
'Ctrl+-', 'zoom-out.svg', u'Decrease zoom level', enabled=False)
zoomOrg = action('&Original size', partial(self.setZoom, 100),
'Ctrl+=', 'zoom100.svg', u'Zoom to original size', enabled=False)
fitWindow = action('&Fit Window', self.setFitWindow,
'Ctrl+F', 'zoomReset.svg', u'Zoom follows window size',
checkable=True, enabled=False)
fitWidth = action('Fit &Width', self.setFitWidth,
'Ctrl+Shift+F', 'fit-width.svg', u'Zoom follows window width',
checkable=True, enabled=False)
openPrevImg = action('&Prev Image', self.openPrevImg,
'a', 'previous.svg', u'Open Prev')
openNextImg = action('&Next Image', self.openNextImg,
'd', 'next.svg', u'Open Next')
play = action('Play', self.playStart,
'Ctrl+Shift+P', 'play.svg', u'auto next',
checkable=True, enabled=True)
self.prevButton.setDefaultAction(openPrevImg)
self.nextButton.setDefaultAction(openNextImg)
self.playButton.setDefaultAction(play)
# 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('&Manage Labels', self.editLabel,
'Ctrl+M', 'tags.svg', u'Modify the label of the selected Box',
enabled=True)
self.editButton.setDefaultAction(edit)
# Lavel list context menu.
labelMenu = QMenu()
addActions(labelMenu, (edit, delete))
# Store actions for further handling.
self.actions = struct(save=save, saveAs=saveAs, open=open, close=close, resetAll = resetAll,
create=create, createSo=createSo, createRo=createRo, delete=delete, edit=edit, copy=copy,
zoom=zoom, zoomIn=zoomIn, zoomOut=zoomOut, zoomOrg=zoomOrg,
fitWindow=fitWindow, fitWidth=fitWidth, play=play,
zoomActions=zoomActions,
fileMenuActions=(
open, opendir, save, saveAs, close, resetAll, quit),
beginner=(),
editMenu=(edit, copy, delete,
None),
beginnerContext=(create, createSo, createRo, copy, delete),
onLoadActive=(
close, create),
onShapesPresent=(saveAs,))
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("Auto Saving", self)
self.autoSaving.setCheckable(True)
self.autoSaving.setChecked(settings.get(SETTING_AUTO_SAVE, False))
# Add option to enable/disable labels being painted at the top of bounding boxes
self.paintLabelsOption = QAction("Paint Labels", self)
self.paintLabelsOption.setShortcut("Ctrl+Shift+P")
self.paintLabelsOption.setCheckable(True)
self.paintLabelsOption.setChecked(settings.get(SETTING_PAINT_LABEL, False))
self.paintLabelsOption.triggered.connect(self.togglePaintLabelsOption)
self.drawCorner = QAction('Always Draw Corner', self)
self.drawCorner.setCheckable(True)
self.drawCorner.setChecked(settings.get(SETTING_DRAW_CORNER, False))
self.drawCorner.triggered.connect(self.canvas.setDrawCornerState)
addActions(self.menus.file,
(open, opendir, changeSavedir, openAnnotation, self.menus.recentFiles, save, saveAs, close, resetAll, quit))
addActions(self.menus.help, (showInfo,))
addActions(self.menus.view, (
self.autoSaving,
self.paintLabelsOption,
self.drawCorner,
None,
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, verify, save, None, create, createSo, createRo, copy, delete, None,
zoomIn, zoom, zoomOut, zoomOrg, fitWindow, fitWidth)
self.statusBar().showMessage('%s started.' % __appname__)
self.statusBar().show()
# Application state.
self.image = QImage()
self.filePath = ustr(defaultFilename)
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 = settings.get(SETTING_WIN_POSE, QPoint(0, 0))
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
# 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)
self.imageDim = QLabel('')
self.statusBar().addPermanentWidget(self.imageDim)
self.statFile = QLabel('')
self.statusBar().addPermanentWidget(self.statFile)
# Open Dir if deafult file
if self.filePath and os.path.isdir(self.filePath):
self.openDirDialog(dirpath=self.filePath)
def noShapes(self):
return not self.ItemShapeDict
def populateModeActions(self):
tool, menu = self.actions.beginner, self.actions.beginnerContext
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, self.actions.createSo, self.actions.createRo)
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)
self.actions.createSo.setEnabled(True)
self.actions.createRo.setEnabled(True)
def autoNext(self):
if self.playing:
suc = self.openNextImg()
if not suc:
self.actions.play.triggered.emit(False)
self.actions.play.setChecked(False)
def playStart(self, value=True):
if value:
self.playing = True
self.displayTimer.start()
else:
self.playing = False
self.displayTimer.stop()
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.labelModel.clear()
self.labelModel.setHorizontalHeaderLabels(["Label", "Extra Info"])
self.ShapeItemDict.clear()
self.ItemShapeDict.clear()
self.filePath = None
self.imageData = None
self.labelFile = None
self.canvas.resetState()
self.labelCoordinates.clear()
self.imageDim.clear()
def labelDataChanged(self, topLeft, bottomRight):
item0 = self.labelModel.item(topLeft.row(), 0)
shape = self.ItemShapeDict[item0]
if topLeft.column() == 0:
shape.label = self.labelModel.data(topLeft)
if sys.version_info < (3, 0, 0):
shape.label = shape.label.toPyObject()
color = generateColorByText(shape.label)
item1 = self.labelModel.item(topLeft.row(), 1)
item0.setBackground(color)
item1.setBackground(color)
shape.line_color = color
shape.fill_color = color
else:
shape.extra_label = self.labelModel.data(topLeft)
if sys.version_info < (3, 0, 0):
shape.extra_label = shape.extra_label.toPyObject()
self.setDirty()
return
def updateLabelShowing(self, index, str):
item0 = self.labelModel.item(index.row(), 0)
shape = self.ItemShapeDict[item0]
shape.extra_label = str
self.canvas.update()
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 showInfoDialog(self):
msg = u'{0} \n©Chinakook 2018. [email protected]'.format(__appname__)
QMessageBox.information(self, u'About', msg)
def createShape(self):
self.canvas.setEditing(0)
self.canvas.canDrawRotatedRect = False
self.actions.create.setEnabled(False)
self.actions.createSo.setEnabled(False)
self.actions.createRo.setEnabled(False)
def createSoShape(self):
self.canvas.setEditing(2)
self.canvas.canDrawRotatedRect = False
self.actions.create.setEnabled(False)
self.actions.createSo.setEnabled(False)
self.actions.createRo.setEnabled(False)
def createRoShape(self):
self.canvas.setEditing(0)
self.canvas.canDrawRotatedRect = True
self.actions.create.setEnabled(False)
self.actions.createSo.setEnabled(False)
self.actions.createRo.setEnabled(False)
def createCancel(self):
self.canvas.setEditing(1)
self.canvas.restoreCursor()
self.actions.create.setEnabled(True)
self.actions.createSo.setEnabled(True)
self.actions.createRo.setEnabled(True)
def toggleDrawingSensitive(self, drawing=True):
if not drawing:
self.canvas.setEditing(1)
self.canvas.restoreCursor()
self.actions.create.setEnabled(True)
self.actions.createSo.setEnabled(True)
self.actions.createRo.setEnabled(True)
def toggleDrawMode(self, edit=1):
self.canvas.setEditing(edit)
def toggleExtraEditing(self, state):
index = self.labelsm.currentIndex()
#print("ExtraEditing", self.sender())
editindex = self.labelModel.index(index.row(), 1)
self.labelList.edit(editindex)
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('print-setup.svg')
action = QAction(
icon, '&%d %s' % (i + 1, QFileInfo(f).fileName()), self)
action.triggered.connect(partial(self.loadRecent, f))
menu.addAction(action)
def editLabel(self):
if not self.canvas.editing():
return
self.labelDialog.updateListItems(self.labelHist)
res = self.labelDialog.popUp()
if res is not None:
self.labelHist, self.default_label = res
self.labelList.updateLabelList(self.labelHist)
def fileCurrentChanged(self, current, previous):
self.statFile.setText('{0}/{1}'.format(current.row()+1, current.model().rowCount()))
if self.autoSaving.isChecked():
if self.defaultSaveDir is not None:
self.labelList.earlyCommit()
if self.dirty is True:
self.fileModel.setData(previous, len(self.canvas.shapes), Qt.BackgroundRole)
self.saveFile()
else:
self.changeSavedirDialog()
return
filename = self.fileModel.data(current, Qt.EditRole)
if filename:
self.loadFile(filename)
if self.canvas.selectedShape:
self.canvas.selectedShape.selected = False
self.canvas.selectedShape = None
self.canvas.setHiding(False)
# Add chris
def btnstate(self, item= None):
""" Function to handle difficult examples
Update on each object """
if not self.canvas.editing():
return
item0 = self.labelModel.itemFromIndex(self.labelModel.index(self.labelsm.currentIndex().row(), 0))
if item0 is None:
item0 = self.labelModel.item(self.labelModel.rowCount() - 1,0)
difficult = self.diffcButton.isChecked()
try:
shape = self.ItemShapeDict[item0]
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)
pass
except:
pass
# React to canvas signals.
def shapeSelectionChanged(self, selected=False):
if self._noSelectionSlot:
self._noSelectionSlot = False
else:
shape = self.canvas.selectedShape
if shape and shape in self.ShapeItemDict:
item0 = self.ShapeItemDict[shape]
index = self.labelModel.indexFromItem(item0)
self.labelList.selectRow(index.row())
#self.labelsm.setCurrentIndex(index, QItemSelectionModel.SelectCurrent)
else:
self.labelList.clearSelection()
self.actions.delete.setEnabled(selected)
self.actions.copy.setEnabled(selected)
def addLabel(self, shape):
shape.paintLabel = self.paintLabelsOption.isChecked()
item0 = HashableQStandardItem(shape.label)
item1 = QStandardItem(shape.extra_label)
color = generateColorByText(shape.label)
item0.setBackground(color)
item1.setBackground(color)
self.labelModel.appendRow([item0, item1])
self.ShapeItemDict[shape] = item0
self.ItemShapeDict[item0] = shape
for action in self.actions.onShapesPresent:
action.setEnabled(True)
def remLabel(self, shape):
if shape is None:
return
item0 = self.ShapeItemDict[shape]
index = self.labelModel.indexFromItem(item0)
self.labelModel.removeRows(index.row(), 1)
del self.ShapeItemDict[shape]
del self.ItemShapeDict[item0]
def loadLabels(self, shapes):
s = []
for shape_info in shapes:
if len(shape_info) == 5:
label, points, line_color, fill_color, difficult = shape_info
extra_label = ''
isRotated = False
direction = 0
elif len(shape_info) == 6:
label, points, line_color, fill_color, difficult, extra_label = shape_info
isRotated = False
direction = 0
elif len(shape_info) == 7:
label, points, line_color, fill_color, difficult, isRotated, direction = shape_info
extra_label = ''
elif len(shape_info) == 8:
label, points, line_color, fill_color, difficult, isRotated, direction, extra_label = shape_info
else:
pass
shape = Shape(label=label)
for x, y in points:
shape.addPoint(QPointF(x, y))
shape.difficult = difficult
shape.direction = direction
shape.isRotated = isRotated
shape.extra_label = extra_label
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)
shape.alwaysShowCorner = self.drawCorner.isChecked()
if not label in self.labelHist:
self.labelHist.append(label)
self.labelList.updateLabelList(self.labelHist)
self.addLabel(shape)
self.canvas.loadShapes(s)
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,
direction = s.direction,
center = s.center,
isRotated = s.isRotated,
extra_text = s.extra_label)
shapes = [format_shape(shape) for shape in self.canvas.shapes]
# Can add differrent annotation formats here
try:
if ustr(annotationFilePath[-4:]) != ".xml":
annotationFilePath += XML_EXT
print ('Img: ' + self.filePath + ' -> Its xml: ' + annotationFilePath)
self.labelFile.savePascalVocFormat(annotationFilePath, shapes, self.filePath, self.imageData,
self.lineColor.getRgb(), self.fillColor.getRgb())
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 labelCurrentChanged(self, current, previous):
if current.row() < 0:
return
item0 = self.labelModel.itemFromIndex(self.labelModel.index(current.row(), 0))
if self.canvas.editing():
self._noSelectionSlot =True
shape = self.ItemShapeDict[item0]
self.canvas.selectShape(shape)
self.diffcButton.setChecked(shape.difficult)
def labelHeaderClicked(self, index, checked):
item0 = self.labelModel.item(index, 0)
shape = self.ItemShapeDict[item0]
self.canvas.setShapeVisible(shape, checked)
# Callback functions:
def newShape(self, continous):
text = self.default_label
extra_text = ""
if text is not None:
generate_color = generateColorByText(text)
shape = self.canvas.setLastLabel(text, generate_color, generate_color, extra_text)
shape.alwaysShowCorner=self.drawCorner.isChecked()
self.addLabel(shape)
if continous:
pass
else:
self.canvas.setEditing(1)
self.actions.create.setEnabled(True)
self.actions.createSo.setEnabled(True)
self.actions.createRo.setEnabled(True)
self.setDirty()
else:
# self.canvas.undoLastLine()
self.canvas.resetAllLines()
def scrollRequest(self, delta, orientation):
#units = - delta / (8 * 15)
units = - delta / (2 * 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 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
if sys.version_info < (3, 0, 0):
filePath = filePath.toPyObject()
filePath = ustr(filePath)
unicodeFilePath = ustr(filePath)
if unicodeFilePath and os.path.exists(unicodeFilePath):
if LabelFile.isLabelFile(unicodeFilePath):
try:
self.labelFile = LabelFile(unicodeFilePath)
except LabelFileError as e:
self.errorMessage(u'Error opening file',
(u"<p><b>%s</b></p>"
u"<p>Make sure <i>%s</i> is a valid label file.")
% (e, unicodeFilePath))
self.status("Error reading %s" % unicodeFilePath)
return False
self.imageData = self.labelFile.imageData
self.lineColor = QColor(*self.labelFile.lineColor)
self.fillColor = QColor(*self.labelFile.fillColor)
self.canvas.verified = self.labelFile.verified
else:
# Load image:
# read data first and store for saving into label file.
# self.imageData = read(unicodeFilePath, None)
self.labelFile = 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))
reader0 = QImageReader(unicodeFilePath)
reader0.setAutoTransform(True)
# transformation = reader0.transformation()
# print(transformation)
image = reader0.read()
self.image = image
self.filePath = unicodeFilePath
self.canvas.loadPixmap(QPixmap.fromImage(image))
self.imageDim.setText('%d x %d' % (self.image.width(), self.image.height()))
if self.labelFile is not None:
self.loadLabels(self.labelFile.shapes)
self.setClean()
self.canvas.setEnabled(True)
self.adjustScale(initial=True)
self.paintCanvas()
self.addRecentFile(self.filePath)
self.toggleActions(True)
# Label xml file and show bound box according to its filename