class Main:
def __init__(self, path=""):
self.configpath = path
self.root = Tk()
self.cameras = Camera()
self.parser = Parser()
self.gui = GUI(root=self.root)
self.callback = Callback(self.root)
self.isImage_active = False
self.isVideo_active = False
self.isCamera_active = False
self.isObject_active = False
#---------- Local callback ----------#
def openwithimage_callback(self, event=None):
if self.gui.panel != None:
self.gui.destroyPanel()
path = self.callback.openwithimage_callback()
if path != None:
self.cameras.readImage(path, flag=None)
self.cameras.frame = self.cameras.resize(self.cameras.getFrame,
(400, 400))
width, height = self.cameras.getSize()
image = self.cameras.convert2tk(self.cameras.getFrame)
self.gui.createPanel(image, width=width, height=height)
self.isImage_active = True
self.isVideo_active = False
self.isCamera_active = False
def openwithvideo_callback(self, event=None):
if self.gui.panel != None:
self.gui.destroyPanel()
path = self.callback.openwithvideo_callback(event=event)
if path != None:
self.cameras.startVideo(path)
startCapture = self.cameras.readCapture()
startCapture = self.cameras.BGR2RGBA(startCapture)
startCapture = self.cameras.convert2tk(startCapture)
width, height = self.cameras.getSize()
self.gui.createPanel(startCapture, width=width, height=height)
self.captureVideo(loop=True)
self.isImage_active = False
self.isVideo_active = True
self.isCamera_active = False
def openwithcamera_callback(self, event=None):
if self.gui.panel != None:
self.gui.destroyPanel()
settings = self.parser.parseCameraSettings()
src = settings["src"]
try:
self.cameras.startVideo(src=src)
startCapture = self.cameras.readCapture()
startCapture = self.cameras.BGR2RGB(startCapture)
startCapture = self.cameras.convert2tk(startCapture)
width, height = self.cameras.getSize()
self.gui.createPanel(startCapture, width=width, height=height)
self.captureVideo(loop=False)
self.isImage_active = False
self.isVideo_active = False
self.isCamera_active = True
except error:
self.gui.message("Failed to open camera with device " + str(src),
2)
# self.gui.destroyPanel()
def detectBarcode_callback(self, event=None):
self.isObject_active = True
if self.isObject_active:
if self.cameras.getFrame is None:
self.gui.message("No object")
else:
if self.isCamera_active is None:
newframe = self.detectBarcode()
newframe = self.cameras.convert2tk(newframe)
self.gui.update(newframe)
#---------- Edit menu ----------#
def clearframe_callback(self, event=None):
self.callback.clearframe_callback(self.gui)
#---------- Capture Video ----------#
def captureVideo(self, loop=False):
try:
captured = self.cameras.readCapture(islopp=loop, gui=self.gui)
captured = self.cameras.BGR2RGB(captured)
self.cameras.frame = captured
if captured is None:
pass
else:
if self.isObject_active:
frame = self.detectBarcode(
customFrame=self.cameras.getFrame)
if frame is None:
frame = self.cameras.getFrame
else:
frame = self.cameras.getFrame
newframe = self.cameras.convert2tk(frame)
self.gui.update(newframe)
self.gui.delay(15, self.captureVideo)
except error:
self.gui.message("Asserting failed, please check your camera!")
self.gui.destroyPanel()
#---------- Detect barcode ----------#
def detectBarcode(self, customFrame=None):
if customFrame is None:
customFrame = self.cameras.getFrame
image = self.cameras.BGR2Gray(self.cameras.getFrame)
barcode = pyzbar.decode(image)
if len(barcode) == 0: return None
for data in barcode:
points = data.polygon
x, y, w, h = data.rect
pts = self.cameras.cv2array(points)
pts = pts.reshape((-1, 1, 2))
newframe = self.cameras.createpolygon(self.cameras.frame, pts)
code = data.data.decode("utf-8")
newframe = self.cameras.setText(newframe,
text=code,
position=(x, y))
return newframe
#---------- Setup menbubars function ----------#
def setupMenubars(self):
menubars = Menu(self.root)
#---------- File bars ----------#
fileBars = Menu(menubars, tearoff=0)
menubars.add_cascade(label="File", menu=fileBars)
fileBars.add_command(label="Open with image file",
command=self.openwithimage_callback)
fileBars.add_command(label="Open with video file",
command=self.openwithvideo_callback)
fileBars.add_command(label="Open with camera",
command=self.openwithcamera_callback)
fileBars.add_separator()
fileBars.add_command(label="Save barcode", command=print)
fileBars.add_separator()
fileBars.add_command(label="Quit", command=self.callback.quit_callback)
#---------- CTRL + O (Open with image file) ----------#
self.root.bind("<Control-o>", self.openwithimage_callback)
self.root.bind("<Control-O>", self.openwithimage_callback)
#---------- CTRL + Shift + O (Open with video file) ----------#
self.root.bind("<Control-Shift-o>", self.openwithvideo_callback)
self.root.bind("<Control-Shift-O>", self.openwithvideo_callback)
#---------- CTRL + Q (Quit) ----------#
self.root.bind("<Control-Q>", self.callback.quit_callback)
self.root.bind("<Control-q>", self.callback.quit_callback)
#---------- Edit bars ----------#
editbars = Menu(menubars, tearoff=0)
menubars.add_cascade(label="Edit", menu=editbars)
editbars.add_command(label="Clear frame",
command=self.clearframe_callback)
editbars.add_command(label="Detect barcode",
command=self.detectBarcode_callback)
#---------- CTRL + Shift + C (Clear Frame) ----------#
self.root.bind("<Control-Shift-c>", self.clearframe_callback)
self.root.bind("<Control-Shift-C>", self.clearframe_callback)
#---------- Settings bar ----------
settingbars = Menu(menubars, tearoff=0)
menubars.add_cascade(label="Settings", menu=settingbars)
settingbars.add_command(label="Settings camera",
command=self.callback.setCameraDevice_callback)
self.root.config(menu=menubars)
#---------- Setup function ----------#
def setup(self):
callback = [
self.openwithimage_callback, self.openwithvideo_callback,
self.openwithcamera_callback, self.clearframe_callback,
self.detectBarcode_callback
]
w, h = self.gui.getWindowSize() # get window size
self.gui.setTitle("QrScanner")
self.gui.setScreensize(size=convert2geometry(w=w, h=h))
self.setupMenubars()
self.gui.createButton(command=callback)
def run(self):
self.root.mainloop()
