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這篇文章主要介紹了Python怎么實現(xiàn)錄屏功能的相關(guān)知識,內(nèi)容詳細(xì)易懂,操作簡單快捷,具有一定借鑒價值,相信大家閱讀完這篇Python怎么實現(xiàn)錄屏功能文章都會有所收獲,下面我們一起來看看吧。
#設(shè)置主界面 def set_init_window(self): # 去掉tkinter默認(rèn)的標(biāo)題 self.tk.title('') # 隱藏默認(rèn)圖標(biāo) self.tk.iconbitmap(self.icon_path()) #獲取屏幕的寬度 screeWidth = self.tk.winfo_screenwidth() #獲取屏幕高度 screeHeight = self.tk.winfo_screenheight() width = int((screeWidth - 500) / 2) height = int((screeHeight - 300) / 2) # 設(shè)置主界面的大小和默認(rèn)位置 self.tk.geometry(f'500x100+{width}+{height}') #添加開始錄制按鈕,點擊之后開啟兩個線程:一個錄屏、一個監(jiān)聽鍵盤 btn1 = tkinter.Button(self.tk, width=5, height=1, text='開始', command=lambda:[threading.Thread(target=self.video_record).start(),threading.Thread(target=self.start_listen).start()]) btn1.pack() # 設(shè)置按鈕位置 btn1.place(x=110, y=50, anchor='n') #開啟新線程設(shè)置錄屏范圍 btn2 = tkinter.Button(self.tk, width=15, height=1, text='設(shè)置錄制區(qū)域', command=lambda:threading.Thread(target=self.set_range).start()) btn2.pack() btn2.place(x=230, y=50, anchor='n') #生成透明的icon圖標(biāo) def icon_path(self): ICON = (b'\x00\x00\x01\x00\x01\x00\x10\x10\x00\x00\x01\x00\x08\x00h\x05\x00\x00' b'\x16\x00\x00\x00(\x00\x00\x00\x10\x00\x00\x00 \x00\x00\x00\x01\x00' b'\x08\x00\x00\x00\x00\x00@\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' b'\x00\x01\x00\x00\x00\x01') + b'\x00' * 1282 + b'\xff' * 64 _, ICON_PATH = tempfile.mkstemp() with open(ICON_PATH, 'wb') as icon_file: icon_file.write(ICON) return ICON_PATH
#設(shè)置錄屏范圍 def set_range(self): #self.init_window.withdraw() #隱藏窗口 self.tk.state('icon')#窗口最小化 screeWidth = self.tk.winfo_screenwidth() screeHeight = self.tk.winfo_screenheight() self.newFrame = tkinter.Toplevel(self.tk,width=screeWidth,height=screeHeight,bg='white')#開啟新窗口 self.newFrame.attributes('-transparentcolor', 'white') # 使白色為透明色 self.newFrame.overrideredirect(True) # 隱藏導(dǎo)航欄 self.canvas = tkinter.Canvas(self.newFrame,bg='white',bd=0,width=screeWidth,height=screeHeight) self.canvas.bind('<Button-1>', self.onLeftButtonDown)#按下左鍵 self.canvas.bind('<B1-Motion>', self.onLeftButtonMove)#移動鼠標(biāo) self.canvas.bind('<ButtonRelease-1>', self.onLeftButtonUp)#抬起左鍵 self.canvas.pack(fill=tkinter.BOTH, expand=tkinter.YES) time.sleep(0.3) im = ImageGrab.grab() # 暫存全屏截圖 im.save('temp.png') im.close() self.image = tkinter.PhotoImage(file='temp.png') os.remove('temp.png') self.canvas.create_image(screeWidth//2, screeHeight//2, image=self.image)
#按下鼠標(biāo) def onLeftButtonDown(self,event): try: self.canvas.delete(self.lastDraw) self.canvas.delete(self.dot1) self.canvas.delete(self.dot2) self.btn3.destroy() except Exception as e: pass self.X = event.x self.Y = event.y self.X2 = 0 self.Y2 = 0 #移動鼠標(biāo) def onLeftButtonMove(self,event): try: # 刪除剛畫完的圖形,不然所有畫的框都會出現(xiàn) self.canvas.delete(self.lastDraw) self.canvas.delete(self.dot1) self.canvas.delete(self.dot2) self.btn3.destroy() except Exception as e: pass self.X2 = event.x self.Y2 = event.y self.lastDraw = self.canvas.create_rectangle(self.X, self.Y, event.x, event.y,width=2, outline='pink') #松開鼠標(biāo) def onLeftButtonUp(self,event): print("起點", self.X, self.Y) print("終點", self.X2, self.Y2) if self.X2==0 and self.X2==0: return self.width, self.high = self.X2-self.X,self.Y2-self.Y self.region = (self.X, self.Y, self.X2, self.Y2) self.dot1=self.canvas.create_text(self.X, self.Y - 10, text=f'({self.X},{self.Y})', font=("Purisa", 12), fill="pink") self.dot2=self.canvas.create_text(self.X2, self.Y2 + 10, text=f'({self.X2},{self.Y2})', font=("Purisa", 12), fill="pink") # self.newFrame.destroy()#銷毀窗口 # self.init_window.deiconify()#顯示窗口 # self.tk.state('normal') # 取消窗口最小化 self.btn3 = tkinter.Button(self.canvas, width=15, height=1, text='確定錄制區(qū)域',bg='pink',fg='#64854c',command=lambda:[self.newFrame.destroy(),self.tk.state('normal')]) self.btn3.pack() self.btn3.place(x=self.X2-20, y=self.Y2+20, anchor='n')
# 開始監(jiān)聽 def start_listen(self): with keyboard.Listener(on_press=self.on_press) as listener: listener.join() # 監(jiān)聽按鍵 def on_press(self,key): if key == keyboard.Key.esc: self.flag = True # 改變 return False # 返回False,鍵盤監(jiān)聽結(jié)束!
def video_record(self): fourcc = cv2.VideoWriter_fourcc('X', 'V', 'I', 'D') out = cv2.VideoWriter('output.mp4', fourcc, 14, (self.width, self.high)) # 參數(shù)分別為 輸出文件名,解碼方式,幀數(shù),錄像范圍 self.count = 1 while (True): img = ImageGrab.grab(self.region) #指定截取坐標(biāo)(左邊X,上邊Y,右邊X,下邊Y) img_np = numpy.array(img) frame = cv2.cvtColor(img_np, cv2.COLOR_BGR2RGB) # ImageGrab獲取的顏色為BGR排序,需轉(zhuǎn)換為RGB out.write(frame) self.count += 1 label = tkinter.Label(self.tk, text=f"{int(self.count / 14)}秒") label.pack() label.place(x=320, y=55, anchor='n') # 點擊ESC退出 if self.flag == True: tkinter.messagebox.showinfo('提示', '錄屏結(jié)束') self.flag = False # 改變錄屏狀態(tài) break out.release() cv2.destroyAllWindows()
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