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這篇文章主要介紹了Python怎么實(shí)現(xiàn)錄屏功能的相關(guān)知識(shí),內(nèi)容詳細(xì)易懂,操作簡(jiǎn)單快捷,具有一定借鑒價(jià)值,相信大家閱讀完這篇Python怎么實(shí)現(xiàn)錄屏功能文章都會(huì)有所收獲,下面我們一起來(lái)看看吧。

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#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(kāi)始錄制按鈕,點(diǎn)擊之后開(kāi)啟兩個(gè)線程:一個(gè)錄屏、一個(gè)監(jiān)聽(tīng)鍵盤(pán)
btn1 = tkinter.Button(self.tk, width=5, height=1, text='開(kāi)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(kāi)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(kāi)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('', self.onLeftButtonDown)#按下左鍵
self.canvas.bind('', self.onLeftButtonMove)#移動(dòng)鼠標(biāo)
self.canvas.bind('', 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(dòng)鼠標(biāo)
def onLeftButtonMove(self,event):
try: # 刪除剛畫(huà)完的圖形,不然所有畫(huà)的框都會(huì)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(kāi)鼠標(biāo)
def onLeftButtonUp(self,event):
print("起點(diǎn)", self.X, self.Y)
print("終點(diǎn)", 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(xiāo)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(kāi)始監(jiān)聽(tīng) def start_listen(self): with keyboard.Listener(on_press=self.on_press) as listener: listener.join() # 監(jiān)聽(tīng)按鍵 def on_press(self,key): if key == keyboard.Key.esc: self.flag = True # 改變 return False # 返回False,鍵盤(pán)監(jiān)聽(tīng)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(diǎn)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()關(guān)于“Python怎么實(shí)現(xiàn)錄屏功能”這篇文章的內(nèi)容就介紹到這里,感謝各位的閱讀!相信大家對(duì)“Python怎么實(shí)現(xiàn)錄屏功能”知識(shí)都有一定的了解,大家如果還想學(xué)習(xí)更多知識(shí),歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道。