def __init__(self, master): ''' The skew controller in charge of updating the skew model Args: master(Tk object): The toplevel widget of Tk which is the main window of an application ''' self.master = master self.photos = [] self.model = SkewModel() self.view = SkewView(master, self) self.cam = AppUtils.getCam() self.view.pack(expand=YES,fill=BOTH) self.view.updateButtons(len(self.photos)) self.continiousUpdatePanel()
class SkewController:
def __init__(self, master):
''' The skew controller in charge of updating the skew model
Args:
master(Tk object): The toplevel widget of Tk which is the main window of an application
'''
self.master = master
self.photos = []
self.model = SkewModel()
self.view = SkewView(master, self)
self.cam = AppUtils.getCam()
self.view.pack(expand=YES,fill=BOTH)
self.view.updateButtons(len(self.photos))
self.continiousUpdatePanel()
def continiousUpdatePanel(self):
'''Calls on updatePanel continiously
'''
if not self.view.winfo_exists():
#If view is removed stop updating the panel
self.master.after_cancel(self.updatePanelID)
return
self.updatePanel()
self.updatePanelID = self.master.after(AppUtils.framePerMillis,self.continiousUpdatePanel )
def updatePanel(self):
''' Updates the image in the video capture
'''
imgtk = AppUtils.getTkinterImg(self.cam,self.view.videoCapturePanel.winfo_width(),self.view.videoCapturePanel.winfo_height())
self.view.videoCapturePanel.configure(image = imgtk)
self.view.videoCapturePanel.image = imgtk
def undoClicked(self):
'''When the undobutton is clicked removes one of the images from the list
'''
self.photos.pop()
self.view.updateButtons(len(self.photos))
def takingPictureEffect(self, case=0):
'''This is used to create the flash effect when taking picture
Args:
case(int): The current step in the animation
'''
if not self.view.winfo_exists():
return
if case == 0:
#Stopping video capture disable take photo button
self.master.after_cancel(self.updatePanelID)
self.view.photoButton.configure( state=DISABLED)
self.master.after(50, self.takingPictureEffect, 1)
elif case == 1:
#Setting image to none
self.view.videoCapturePanel.configure(image = None)
self.view.videoCapturePanel.image = None
self.master.after(50, self.takingPictureEffect, 2)
else :
self.view.photoButton.configure( state=NORMAL)
self.continiousUpdatePanel()
def startSkewCalibration(self):
'''When the calibration button is clicked
'''
self.view.photoButton.pack_forget()
self.view.undoButton.pack_forget()
self.view.calibrateButton.pack_forget()
progressbar = ttk.Progressbar(self.view, orient=HORIZONTAL, length=self.master.winfo_width()-50, mode='determinate')
progressbar.bind("<Configure>", lambda e: progressbar.configure(length=self.master.winfo_width()-50) )
progressbar.pack(side=BOTTOM)
progressbar.start()
processingLabel = Label(self.view, text="Processing...")
processingLabel.pack(side=BOTTOM)
AppUtils.computeOnSeprateThread(self.master, self.calibrationDone, self.model.calculate ,[self.photos])
def takePhotoClicked(self):
'''When the take photo button is clicked
'''
self.takingPictureEffect()
self.photos.append(AppUtils.getImg(self.cam))
self.view.updateButtons(len(self.photos))
def calibrationDone(self, img):
'''Called back from the model processing
Args:
img(Image): The image returned from the model's processing
'''
if not self.view.winfo_exists():
#If view is removed do not attempt anything
return
self.view.destroy()
#Had to import here to prevent cyclical refrencing
from validationSkewController import ValidationSkewController
ValidationSkewController(self.master, img)
