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labelImg.py
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labelImg.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import codecs
import distutils.spawn
import os.path
import platform
import re
import sys
import subprocess
from functools import partial
from collections import defaultdict
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
import matplotlib.pyplot as plt
from libs.resources import *
from libs.constants import *
from libs.utils import *
from libs.settings import Settings
from libs.shape import Shape, DEFAULT_LINE_COLOR, DEFAULT_FILL_COLOR
from libs.stringBundle import StringBundle
from libs.canvas import Canvas
from libs.zoomWidget import ZoomWidget
from libs.labelDialog import LabelDialog
from libs.colorDialog import ColorDialog
from libs.labelFile import LabelFile, LabelFileError
from libs.toolBar import ToolBar
from libs.roi import RoI
from libs.table import TableWindow
from libs.ustr import ustr
from libs.hashableQListWidgetItem import HashableQListWidgetItem
from libs.read_record import Record
__appname__ = 'labelImg'
class WindowMixin(object):
def menu(self, title, actions=None):
menu = self.menuBar().addMenu(title)
if actions:
addActions(menu, actions)
return menu
def toolbar(self, title, actions=None):
toolbar = ToolBar(title)
toolbar.setObjectName(u'%sToolBar' % title)
# toolbar.setOrientation(Qt.Vertical)
toolbar.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
if actions:
addActions(toolbar, actions)
self.addToolBar(Qt.LeftToolBarArea, toolbar)
return toolbar
class MainWindow(QMainWindow, WindowMixin):
FIT_WINDOW, FIT_WIDTH, MANUAL_ZOOM = list(range(3))
def __init__(self, defaultFilename=None, defaultPrefdefClassFile=None, defaultSaveDir=None):
super(MainWindow, self).__init__()
self.setWindowTitle(__appname__)
# Load setting in the main thread
self.settings = Settings()
self.settings.load()
settings = self.settings
# Load string bundle for i18n
self.stringBundle = StringBundle.getBundle()
getStr = lambda strId: self.stringBundle.getString(strId)
# Save as Pascal voc xml
self.defaultSaveDir = defaultSaveDir
# For loading all image under a directory
self.mImgList = []
self.dirname = None
self.labelHist = []
# Whether we need to save or not.
self.dirty = False
self._noSelectionSlot = False
self._beginner = True
# Load predefined classes to the list
self.loadPredefinedClasses(defaultPrefdefClassFile)
# Main widgets and related state.
self.labelDialog = LabelDialog(parent=self, listItem=self.labelHist)
self.itemsToShapes = {}
self.shapesToItems = {}
self.prevLabelText = self.labelHist[0] if self.labelHist else ''
listLayout = QVBoxLayout()
listLayout.setContentsMargins(0, 0, 0, 0)
# Create a widget for edit and diffc button
self.combineButton = QToolButton()
self.combineButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
listLayout.addWidget(self.combineButton)
self.editButton = QToolButton()
self.editButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
listLayout.addWidget(self.editButton)
# Create and add a widget for showing current label items
self.labelList = QListWidget()
labelListContainer = QWidget()
labelListContainer.setLayout(listLayout)
self.labelList.itemActivated.connect(self.labelSelectionChanged)
self.labelList.itemSelectionChanged.connect(self.labelSelectionChanged)
# self.labelList.itemDoubleClicked.connect(self.editLabel)
# Connect to itemChanged to detect checkbox changes.
self.labelList.itemChanged.connect(self.labelItemChanged)
listLayout.addWidget(self.labelList)
self.getPathButton = QToolButton()
self.getPathButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
self.getSpeedButton = QToolButton()
self.getSpeedButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
instanceStatLayout = QHBoxLayout()
instanceStatLayout.setContentsMargins(0, 0, 0, 0)
instanceStatLayout.addWidget(self.getSpeedButton)
instanceStatLayout.addWidget(self.getPathButton)
instanceStatContainer = QWidget()
instanceStatContainer.setLayout(instanceStatLayout)
self.getEnterCountButton = QToolButton()
self.getEnterCountButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
self.getTimeButton = QToolButton()
self.getTimeButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
roiStatLayout = QHBoxLayout()
roiStatLayout.setContentsMargins(0, 0, 0, 0)
roiStatLayout.addWidget(self.getTimeButton)
roiStatLayout.addWidget(self.getEnterCountButton)
roiStatContainer = QWidget()
roiStatContainer.setLayout(roiStatLayout)
statLayout = QVBoxLayout()
statLayout.setContentsMargins(0, 10, 0, 0)
statLayout.addWidget(QLabel("Instance Stat"))
statLayout.addWidget(instanceStatContainer)
statLayout.addWidget(QLabel("RoI Stat"))
statLayout.addWidget(roiStatContainer)
statContainer = QWidget()
statContainer.setLayout(statLayout)
listLayout.addWidget(statContainer)
self.labeldock = QDockWidget(getStr('boxLabelText'), self)
self.labeldock.setObjectName(getStr('labels'))
self.labeldock.setWidget(labelListContainer)
self.playbackWidget = QSlider()
self.playbackWidget.setOrientation(QtCore.Qt.Horizontal)
self.playbackWidget.sliderReleased.connect(self.slider_value_changed)
playbackLayout = QVBoxLayout()
playbackLayout.setContentsMargins(0, 0, 0, 0)
playbackLayout.addWidget(self.playbackWidget)
playbackContainer = QWidget()
playbackContainer.setLayout(playbackLayout)
self.playback_ctrl = QDockWidget('Playback', self)
self.playback_ctrl.setFixedHeight(50)
self.playback_ctrl.setWidget(playbackContainer)
self.zoomWidget = ZoomWidget()
self.colorDialog = ColorDialog(parent=self)
self.canvas = Canvas(parent=self)
self.canvas.zoomRequest.connect(self.zoomRequest)
self.canvas.setDrawingShapeToSquare(settings.get(SETTING_DRAW_SQUARE, False))
scroll = QScrollArea()
scroll.setWidget(self.canvas)
scroll.setWidgetResizable(True)
self.scrollBars = {
Qt.Vertical: scroll.verticalScrollBar(),
Qt.Horizontal: scroll.horizontalScrollBar()
}
self.scrollArea = scroll
self.canvas.scrollRequest.connect(self.scrollRequest)
self.canvas.newShape.connect(self.newShape)
self.canvas.shapeMoved.connect(self.setDirty)
self.canvas.selectionChanged.connect(self.shapeSelectionChanged)
self.canvas.drawingPolygon.connect(self.toggleDrawingSensitive)
self.setCentralWidget(scroll)
self.addDockWidget(Qt.RightDockWidgetArea, self.labeldock)
self.addDockWidget(Qt.RightDockWidgetArea, self.playback_ctrl)
self.playback_ctrl.setFeatures(QDockWidget.DockWidgetFloatable)
self.labeldockFeatures = QDockWidget.DockWidgetClosable | QDockWidget.DockWidgetFloatable
self.labeldock.setFeatures(self.labeldock.features() ^ self.labeldockFeatures)
# Actions
action = partial(newAction, self)
quit = action(getStr('quit'), self.close,
'Ctrl+Q', 'quit', getStr('quitApp'))
open = action(getStr('openFile'), self.openMjpeg,
'Ctrl+O', 'open', getStr('openFileDetail'))
openNextImg = action(getStr('nextImg'), self.openNextImg,
'd', 'next', getStr('nextImgDetail'))
openPrevImg = action(getStr('prevImg'), self.openPrevImg,
'a', 'prev', getStr('prevImgDetail'))
save = action(getStr('save'), self.saveFile,
'Ctrl+S', 'save', getStr('saveDetail'), enabled=False)
close = action(getStr('closeCur'), self.closeFile, 'Ctrl+W', 'close', getStr('closeCurDetail'))
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)
advancedMode = action(getStr('advancedMode'), self.toggleAdvancedMode,
'Ctrl+Shift+A', 'expert', getStr('advancedModeDetail'),
checkable=True)
hideAll = action('&Hide\nRectBox', partial(self.togglePolygons, False),
'Ctrl+H', 'hide', getStr('hideAllBoxDetail'),
enabled=False)
showAll = action('&Show\nRectBox', partial(self.togglePolygons, True),
'Ctrl+A', 'hide', getStr('showAllBoxDetail'),
enabled=False)
showInfo = action(getStr('info'), self.showInfoDialog, None, 'info', getStr('info'), enabled=False)
zoom = QWidgetAction(self)
zoom.setDefaultWidget(self.zoomWidget)
self.zoomWidget.setWhatsThis(
u"Zoom in or out of the image. Also accessible with"
" %s and %s from the canvas." % (fmtShortcut("Ctrl+[-+]"),
fmtShortcut("Ctrl+Wheel")))
self.zoomWidget.setEnabled(False)
zoomIn = action(getStr('zoomin'), partial(self.addZoom, 10),
'Ctrl++', 'zoom-in', getStr('zoominDetail'), enabled=False)
zoomOut = action(getStr('zoomout'), partial(self.addZoom, -10),
'Ctrl+-', 'zoom-out', getStr('zoomoutDetail'), enabled=False)
zoomOrg = action(getStr('originalsize'), partial(self.setZoom, 100),
'Ctrl+=', 'zoom', getStr('originalsizeDetail'), enabled=False)
fitWindow = action(getStr('fitWin'), self.setFitWindow,
'Ctrl+F', 'fit-window', getStr('fitWinDetail'),
checkable=True, enabled=False)
fitWidth = action(getStr('fitWidth'), self.setFitWidth,
'Ctrl+Shift+F', 'fit-width', getStr('fitWidthDetail'),
checkable=True, enabled=False)
# Group zoom controls into a list for easier toggling.
zoomActions = (self.zoomWidget, zoomIn, zoomOut,
zoomOrg, fitWindow, fitWidth)
self.zoomMode = self.MANUAL_ZOOM
self.scalers = {
self.FIT_WINDOW: self.scaleFitWindow,
self.FIT_WIDTH: self.scaleFitWidth,
# Set to one to scale to 100% when loading files.
self.MANUAL_ZOOM: lambda: 1,
}
edit = action(getStr('editLabel'), self.editLabel,
'Ctrl+E', 'edit', getStr('editLabelDetail'),
enabled=False)
self.editButton.setDefaultAction(edit)
combine = action('Combine Label', self.combineLabel,
'Ctrl+E', 'combine', 'Combine two or more tracks',
enabled=False)
self.combineButton.setDefaultAction(combine)
getPath = action('Path', self.getPathPlot,
'Ctrl+E', 'getPath', 'Plot the trajectory of selected instances',
enabled=False)
self.getPathButton.setDefaultAction(getPath)
getSpeed = action('Speed', self.getSpeedPlot,
'Ctrl+E', 'getSpeed', 'Plot the speed of selected instances',
enabled=False)
self.getSpeedButton.setDefaultAction(getSpeed)
getEnterCount = action('EnterCount', self.getEnterCount,
'Ctrl+E', 'getEnterCount', 'Count regions entrance for each instance',
enabled=False)
self.getEnterCountButton.setDefaultAction(getEnterCount)
getTime = action('Time', self.getTimePlot,
'Ctrl+E', 'getTime', 'Total time inside region for each instance',
enabled=False)
self.getTimeButton.setDefaultAction(getTime)
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.labeldock.toggleViewAction()
labels.setText(getStr('showHide'))
labels.setShortcut('Ctrl+Shift+L')
# Lavel list context menu.
labelMenu = QMenu()
addActions(labelMenu, (edit, combine, delete))
self.labelList.setContextMenuPolicy(Qt.CustomContextMenu)
self.labelList.customContextMenuRequested.connect(
self.popLabelListMenu)
# Draw squares/rectangles
self.drawSquaresOption = QAction('Draw Squares', self)
self.drawSquaresOption.setShortcut('Ctrl+Shift+R')
self.drawSquaresOption.setCheckable(True)
self.drawSquaresOption.setChecked(settings.get(SETTING_DRAW_SQUARE, False))
self.drawSquaresOption.triggered.connect(self.toogleDrawSquare)
# Store actions for further handling.
self.actions = struct(save=save, open=open, edit=edit, close=close, resetAll=resetAll,
lineColor=color1, create=create, delete=delete, combine=combine,
createMode=createMode, editMode=editMode, advancedMode=advancedMode,
shapeLineColor=shapeLineColor, shapeFillColor=shapeFillColor,
zoom=zoom, zoomIn=zoomIn, zoomOut=zoomOut, zoomOrg=zoomOrg,
fitWindow=fitWindow, fitWidth=fitWidth,
zoomActions=zoomActions,
fileMenuActions=(
open, save, close, resetAll, quit),
beginner=(), advanced=(),
editMenu=(delete,
None, color1, self.drawSquaresOption),
beginnerContext=(create, delete),
advancedContext=(createMode, editMode, delete, shapeLineColor, shapeFillColor),
onLoadActive=(
close, create, createMode, editMode, showInfo),
onShapesPresent=(hideAll, showAll))
self.menus = struct(
file=self.menu('&File'),
edit=self.menu('&Edit'),
view=self.menu('&View'),
help=self.menu('&Help'),
recentFiles=QMenu('Open &Recent'),
labelList=labelMenu)
# Auto saving : Enable auto saving if pressing next
self.autoSaving = QAction(getStr('autoSaveMode'), self)
self.autoSaving.setCheckable(True)
self.autoSaving.setChecked(settings.get(SETTING_AUTO_SAVE, False))
# Sync single class mode from PR#106
self.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, True))
self.displayLabelOption.triggered.connect(self.togglePaintLabelsOption)
addActions(self.menus.file,
(open, self.menus.recentFiles, save, close, resetAll, quit))
addActions(self.menus.help, (showInfo,))
addActions(self.menus.view, (
self.autoSaving,
self.displayLabelOption,
labels, advancedMode, None,
hideAll, showAll, None,
zoomIn, zoomOut, zoomOrg, None,
fitWindow, fitWidth))
self.menus.file.aboutToShow.connect(self.updateFileMenu)
# Custom context menu for the canvas widget:
addActions(self.canvas.menus[0], self.actions.beginnerContext)
addActions(self.canvas.menus[1], (action('&Move here', self.moveShape), ))
self.tools = self.toolbar('Tools')
self.actions.beginner = (
open, openNextImg, openPrevImg, save, None, create, delete, None,
zoomIn, zoom, zoomOut, fitWindow, fitWidth)
self.actions.advanced = (
open, 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.recentFiles = []
self.maxRecent = 7
self.lineColor = None
self.fillColor = None
self.zoom_level = 100
self.fit_window = False
# Add Chris
self.difficult = False
## Fix the compatible issue for qt4 and qt5. Convert the QStringList to python list
if settings.get(SETTING_RECENT_FILES):
if have_qstring():
recentFileQStringList = settings.get(SETTING_RECENT_FILES)
self.recentFiles = [ustr(i) for i in recentFileQStringList]
else:
self.recentFiles = recentFileQStringList = settings.get(SETTING_RECENT_FILES)
size = settings.get(SETTING_WIN_SIZE, QSize(600, 500))
position = QPoint(0, 0)
saved_position = settings.get(SETTING_WIN_POSE, position)
# Fix the multiple monitors issue
for i in range(QApplication.desktop().screenCount()):
if QApplication.desktop().availableGeometry(i).contains(saved_position):
position = saved_position
break
self.resize(size)
self.move(position)
saveDir = ustr(settings.get(SETTING_SAVE_DIR, None))
if self.defaultSaveDir is None and saveDir is not None and os.path.exists(saveDir):
self.defaultSaveDir = saveDir
self.statusBar().showMessage('%s started. Annotation will be saved to %s' %
(__appname__, self.defaultSaveDir))
self.statusBar().show()
self.restoreState(settings.get(SETTING_WIN_STATE, QByteArray()))
Shape.line_color = self.lineColor = QColor(settings.get(SETTING_LINE_COLOR, DEFAULT_LINE_COLOR))
Shape.fill_color = self.fillColor = QColor(settings.get(SETTING_FILL_COLOR, DEFAULT_FILL_COLOR))
self.canvas.setDrawingColor(self.lineColor)
# Add chris
Shape.difficult = self.difficult
def xbool(x):
if isinstance(x, QVariant):
return x.toBool()
return bool(x)
if xbool(settings.get(SETTING_ADVANCE_MODE, False)):
self.actions.advancedMode.setChecked(True)
self.toggleAdvancedMode()
# Populate the File menu dynamically.
self.updateFileMenu()
# 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.record = None
self.checked_items = []
self.rois = []
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 toggleAdvancedMode(self, value=True):
self._beginner = not value
self.canvas.setEditing(True)
self.populateModeActions()
if value:
self.actions.createMode.setEnabled(True)
self.actions.editMode.setEnabled(False)
self.labeldock.setFeatures(self.labeldock.features() | self.labeldockFeatures)
else:
self.labeldock.setFeatures(self.labeldock.features() ^ self.labeldockFeatures)
def populateModeActions(self):
if self.beginner():
tool, menu = self.actions.beginner, self.actions.beginnerContext
else:
tool, menu = self.actions.advanced, self.actions.advancedContext
self.tools.clear()
addActions(self.tools, tool)
self.canvas.menus[0].clear()
addActions(self.canvas.menus[0], menu)
self.menus.edit.clear()
actions = (self.actions.create,) if self.beginner()\
else (self.actions.createMode, self.actions.editMode)
addActions(self.menus.edit, actions + self.actions.editMenu)
def setBeginner(self):
self.tools.clear()
addActions(self.tools, self.actions.beginner)
def setAdvanced(self):
self.tools.clear()
addActions(self.tools, self.actions.advanced)
def setDirty(self):
self.dirty = True
self.actions.save.setEnabled(True)
def setClean(self):
self.dirty = False
# self.actions.save.setEnabled(False)
self.actions.create.setEnabled(True)
def toggleActions(self, value=True):
"""Enable/Disable widgets which depend on an opened image."""
for z in self.actions.zoomActions:
z.setEnabled(value)
for action in self.actions.onLoadActive:
action.setEnabled(value)
self.actions.save.setEnabled(True)
def queueEvent(self, function):
QTimer.singleShot(0, function)
def status(self, message, delay=5000):
self.statusBar().showMessage(message, delay)
def resetState(self):
self.itemsToShapes.clear()
self.shapesToItems.clear()
self.labelList.clear()
self.filePath = None
self.imageData = None
self.labelFile = None
self.canvas.resetState()
self.labelCoordinates.clear()
def currentItem(self):
items = self.labelList.selectedItems()
if items:
return items[0]
return None
def addRecentFile(self, filePath):
if filePath in self.recentFiles:
self.recentFiles.remove(filePath)
elif len(self.recentFiles) >= self.maxRecent:
self.recentFiles.pop()
self.recentFiles.insert(0, filePath)
def beginner(self):
return self._beginner
def advanced(self):
return not self.beginner()
def showInfoDialog(self):
self.record.time_distribution()
def createShape(self):
assert self.beginner()
self.canvas.setEditing(False)
self.actions.create.setEnabled(False)
def toggleDrawingSensitive(self, drawing=True):
"""In the middle of drawing, toggling between modes should be disabled."""
self.actions.editMode.setEnabled(not drawing)
if not drawing and self.beginner():
# Cancel creation.
print('Cancel creation.')
self.canvas.setEditing(True)
self.canvas.restoreCursor()
self.actions.create.setEnabled(True)
def toggleDrawMode(self, edit=True):
self.canvas.setEditing(edit)
self.actions.createMode.setEnabled(edit)
self.actions.editMode.setEnabled(not edit)
def setCreateMode(self):
assert self.advanced()
self.toggleDrawMode(False)
def setEditMode(self):
assert self.advanced()
self.toggleDrawMode(True)
self.labelSelectionChanged()
def updateFileMenu(self):
currFilePath = self.filePath
def exists(filename):
return os.path.exists(filename)
menu = self.menus.recentFiles
menu.clear()
files = [f for f in self.recentFiles if f !=
currFilePath and exists(f)]
for i, f in enumerate(files):
icon = newIcon('labels')
action = QAction(
icon, '&%d %s' % (i + 1, QFileInfo(f).fileName()), self)
action.triggered.connect(partial(self.loadRecent, f))
menu.addAction(action)
def popLabelListMenu(self, point):
self.menus.labelList.exec_(self.labelList.mapToGlobal(point))
def editLabel(self):
if not self.canvas.editing():
return
shape = self.canvas.selectedShape
if not shape:
return
text = self.labelDialog.popUp(shape.label)
if text is not None:
shape.label = text
self.setDirty()
def combineLabel(self):
combine_to = self.checked_items[0].text()
for item in self.checked_items[1:]:
self.record.combine(combine_to, item.text())
self.remLabel(item.text())
self.checked_items = self.checked_items[:1]
def getPathPlot(self):
plt.figure()
for item in self.checked_items:
self.record.plot_path(int(item.text()))
plt.title("Trajectory")
plt.xlim((0, self.record.frame_shape[1]))
plt.xlabel("x (px)")
plt.ylim((self.record.frame_shape[0], 0))
plt.ylabel("y (px)")
plt.legend()
plt.show()
def getSpeedPlot(self):
plt.figure()
for item in self.checked_items:
self.record.plot_speed(int(item.text()))
# plt.xlim((0, self.record.times.max()))
plt.title("Speed")
plt.xlabel("time (s)")
plt.ylabel("speed (px/s)")
plt.legend()
plt.show()
def getEnterCount(self):
data = []
for roi in map(RoI, self.rois):
data.append(roi.enterCount(self.record))
table = TableWindow(
self,
data,
title="EnterCount",
save_dir=self.dirname[0],
col_labels=self.record.unique_ids,
row_labels=[l.label for l in self.rois],
)
table.show()
def getTimePlot(self):
data = []
for roi in map(RoI, self.rois):
data.append(roi.inTime(self.record))
table = TableWindow(
self,
data,
title="Time",
save_dir=self.dirname[0],
col_labels=self.record.unique_ids,
row_labels=[l.label for l in self.rois],
)
table.show()
def slider_value_changed(self):
self.loadFile(self.playbackWidget.value())
# Add chris
def btnstate(self, item= None):
""" Function to handle difficult examples
Update on each object """
if not self.canvas.editing():
return
item = self.currentItem()
if not item: # If not selected Item, take the first one
item = self.labelList.item(self.labelList.count()-1)
# difficult = self.diffcButton.isChecked()
try:
shape = self.itemsToShapes[item]
except:
pass
# Checked and Update
try:
if difficult != shape.difficult:
shape.difficult = difficult
self.setDirty()
else: # User probably changed item visibility
self.canvas.setShapeVisible(shape, item.checkState() == Qt.Checked)
except:
pass
# React to canvas signals.
def shapeSelectionChanged(self, selected=False):
if self._noSelectionSlot:
self._noSelectionSlot = False
else:
shape = self.canvas.selectedShape
if shape and shape.label in self.shapesToItems.keys():
self.shapesToItems[shape.label].setSelected(True)
self.actions.delete.setEnabled(selected)
self.actions.edit.setEnabled(selected)
self.actions.shapeLineColor.setEnabled(selected)
self.actions.shapeFillColor.setEnabled(selected)
def addLabel(self, label):
# label.paintLabel = self.displayLabelOption.isChecked()
item = HashableQListWidgetItem(label)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(Qt.Unchecked)
item.setBackground(generateColorByText(label))
self.itemsToShapes[item] = label
self.shapesToItems[label] = item
self.labelList.addItem(item)
for action in self.actions.onShapesPresent:
action.setEnabled(True)
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]
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)
shape.paintLabel = self.displayLabelOption.isChecked()
# self.addLabel(shape)
self.canvas.addShapes(s)
def saveLabels(self, annotationFilePath):
annotationFilePath = ustr(annotationFilePath)
if self.labelFile is None:
self.labelFile = LabelFile()
def labelSelectionChanged(self):
item = self.currentItem()
if item and self.canvas.editing():
self._noSelectionSlot = True
frames = self.record.get_id_first_occur(int(item.text()))
if int(self.filePath) not in frames:
self.loadFile(frames[0])
else:
self.canvas.selectShape(self.itemsToShapes[item])
# shape = self.itemsToShapes[item]
# Add Chris
# self.diffcButton.setChecked(shape.difficult)
def labelItemChanged(self, item):
if item.checkState() == Qt.Checked:
self.checked_items.append(item)
else:
self.checked_items.remove(item)
self.combineButton.setEnabled(len(self.checked_items) >= 2)
self.getPathButton.setEnabled(len(self.checked_items) >= 1)
self.getSpeedButton.setEnabled(len(self.checked_items) >= 1)
# Callback functions:
def newShape(self):
"""Pop-up and give focus to the label editor.
position MUST be in global coordinates.
"""
self.labelDialog = LabelDialog(
parent=self, listItem=self.labelHist)
text = self.labelDialog.popUp(text=self.prevLabelText)
self.lastLabel = text
# Add Chris
# self.diffcButton.setChecked(False)
if text is not None:
self.prevLabelText = text
generate_color = generateColorByText(text)
shape = self.canvas.setLastLabel(text, generate_color, generate_color)
shape.paintLabel = self.displayLabelOption.isChecked()
self.rois.append(shape)
# self.addLabel(shape)
if self.beginner(): # Switch to edit mode.
self.canvas.setEditing(True)
self.actions.create.setEnabled(True)
else:
self.actions.editMode.setEnabled(True)
# self.setDirty()
if text not in self.labelHist:
self.labelHist.append(text)
else:
# self.canvas.undoLastLine()
self.canvas.resetAllLines()
self.getTimeButton.setEnabled(len(self.rois) >= 1)
self.getEnterCountButton.setEnabled(len(self.rois) >= 1)
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():
item.setCheckState(Qt.Checked if value else Qt.Unchecked)
def loadFile(self, filePath=None):
"""Load the specified file, or the last opened file if None."""
self.canvas.resetState()
self.canvas.setEnabled(False)
self.canvas.loadShapes(self.rois)
filePath = str(filePath)
self.playbackWidget.setValue(int(filePath))
im = self.imageData = self.record.get_frame(int(filePath))
self.canvas.verified = False
image = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_RGB888)
if image.isNull():
self.errorMessage(u'Error opening file',
u"<p>Make sure <i>%s</i> is a valid image file." % filePath)
self.status("Error reading %s" % filePath)
return False
self.status("Loaded %s" % os.path.basename(filePath))
self.image = image
self.filePath = filePath
self.canvas.loadPixmap(QPixmap.fromImage(image))
self.loadLabels(self.record.get_shapes(filePath))
self.setClean()
self.canvas.setEnabled(True)
self.adjustScale(initial=True)
self.paintCanvas()
self.addRecentFile(self.filePath)
self.toggleActions(True)
self.setWindowTitle(__appname__ + ' ' + filePath)
item = self.currentItem()
if item and self.canvas.editing():
self._noSelectionSlot = True
frames = self.record.get_id_first_occur(int(item.text()))
if int(self.filePath) in frames:
self.canvas.selectShape(self.itemsToShapes[item])
self.canvas.setFocus(True)
return True
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
a1 = w1 / h1
# Calculate a new scale value based on the pixmap's aspect ratio.