我正在使用带有opencv和python2的tkinter在标签中绑定实时流摄像头，但问题是当我单击按钮时，标签中仅显示一帧。
#！/usr/bin/env python # - - coding: utf-8 - - # # GUI 模块由 PAGE 版本 4.22 # 结合 Tcl 版本 8.6 # May 17, 2019 06:44:40 PM PKT platform: Linux .
import sys
try:
import Tkinter as tk
except ImportError:
import tkinter as tk
try:
import ttk
py3 = False
except ImportError:
import tkinter.ttk as ttk
py3 = True
import gui_support
from Tkinter import *
from PIL import ImageTk, Image
import cv2
def vp_start_gui():
'''Starting point when module is the main routine.'''
global val, w, root
root = tk.Tk()
top = Toplevel1 (root)
gui_support.init(root, top)
root.mainloop()
w = None
def create_Toplevel1(root, *args, **kwargs):
'''Starting point when module is imported by another program.'''
global w, w_win, rt
rt = root
w = tk.Toplevel (root)
top = Toplevel1 (w)
gui_support.init(w, top, *args, **kwargs)
return (w, top)
def destroy_Toplevel1():
global w
w.destroy()
w = None
class Toplevel1:
def __init__(self, top=None):
'''This class configures and populates the toplevel window.
top is the toplevel containing window.'''
_bgcolor = '#d9d9d9' # X11 color: 'gray85'
_fgcolor = '#000000' # X11 color: 'black'
_compcolor = '#d9d9d9' # X11 color: 'gray85'
_ana1color = '#d9d9d9' # X11 color: 'gray85'
_ana2color = '#ececec' # Closest X11 color: 'gray92'
self.style = ttk.Style()
if sys.platform == "win32":
self.style.theme_use('winnative')
self.style.configure('.',background=_bgcolor)
self.style.configure('.',foreground=_fgcolor)
self.style.configure('.',font="TkDefaultFont")
self.style.map('.',background=
[('selected', _compcolor), ('active',_ana2color)])
top.geometry("1308x647+69+51")
top.title("New Toplevel")
self.menubar = tk.Menu(top,font="TkMenuFont",bg=_bgcolor,fg=_fgcolor)
top.configure(menu = self.menubar)
self.Label1 = tk.Label(top)
self.Label1.place(relx=0.268, rely=0.015, height=31, width=599)
self.Label1.configure(font="-family {Bitstream Vera Sans} -size 21 -weight bold")
self.Label1.configure(text='''Face ID Attendance Marking System''')
self.Label1.configure(width=599)
self.TSeparator1 = ttk.Separator(top)
self.TSeparator1.place(relx=0.245, rely=0.077, relwidth=0.497)
self.TPanedwindow1 = ttk.Panedwindow(top, orient="horizontal")
self.TPanedwindow1.place(relx=0.008, rely=0.139, relheight=0.68
, relwidth=0.982)
self.TPanedwindow1.configure(width=1285)
self.TPanedwindow1_p1 = ttk.Labelframe(width=650, text='Pane 1')
self.TPanedwindow1.add(self.TPanedwindow1_p1)
self.TPanedwindow1_p2 = ttk.Labelframe(text='Pane 2')
self.TPanedwindow1.add(self.TPanedwindow1_p2)
self.__funcid0 = self.TPanedwindow1.bind('<Map>', self.__adjust_sash0)
self.Label2 = tk.Label(self.TPanedwindow1_p1)
self.Label2.place(relx=0.016, rely=0.045, height=411, width=619
, bordermode='ignore')
self.Label2.configure(text='''Label''')
self.Label2.configure(width=619)
self.TButton1 = ttk.Button(top)
self.TButton1.place(relx=0.031, rely=0.835, height=28, width=83)
self.TButton1.configure(takefocus="")
self.TButton1.configure(text='''Tbutton''')
self.TButton1.configure(command = self.cameratk)
def __adjust_sash0(self, event):
paned = event.widget
pos = [640, ]
i = 0
for sash in pos:
paned.sashpos(i, sash)
i += 1
paned.unbind('<map>', self.__funcid0)
del self.__funcid0
def cameratk(self):
cap = cv2.VideoCapture(0)
_, frame = cap.read()
cv2image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGBA)
img = Image.fromarray(cv2image)
imgtk = ImageTk.PhotoImage(image=img)
self.Label2.imgtk = imgtk
self.Label2.configure(image=imgtk)
self.Label2.after(1, video_stream)
if __name__ == '__main__':
vp_start_gui()