我们从Python开源项目中，提取了以下2个代码示例，用于说明如何使用cv2.setWindowProperty()。
def stream(quit, det): """ :param quit: Quit streaming :param det: detection object :return: """ global sav_frame global sav_result camera_src = None if args.device == str(0): # jetson camera_src = CameraSrc().get_cam_src() else: # desktop camera_src = 0 camera = cv2.VideoCapture(camera_src) assert camera.isOpened() if args.fullscreen: cv2.namedWindow(args.device, cv2.WINDOW_NORMAL) cv2.setWindowProperty(args.device, cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN) face_locs = None alignedFace = None while True: _, frame = camera.read() sav_frame = frame.copy() # add frames to queue frame_queue.put(sav_frame) # display detection results #face_locs = face_coordinates_queue.get() #alignedFace = face_aligned_queue.get() #if face_locs is not None: # print(len(alignedFace), face_locs) #det.display(frame=frame, face_locations=face_locs) cv2.imshow(args.device, frame) if cv2.waitKey(1) & 0xFF == ord('q'): quit.value = 1 break camera.release() cv2.destroyAllWindows() # Main Process
def fullScreenCatch(): global img,imgSmall,newGray,finishDraw base = ImageGrab.grab() base.save('fullScreen.png') img = cv2.imread("fullScreen.png") cv2.namedWindow("image", cv2.WND_PROP_FULLSCREEN) cv2.moveWindow('image',0,0) #???????? cv2.setWindowProperty("image", cv2.WND_PROP_FULLSCREEN,cv2.WINDOW_FULLSCREEN) cv2.setMouseCallback('image',draw_rect) imgSmall = img.copy() #?????????? imgGray = img.copy() #???? imgGray = cv2.cvtColor(imgGray,cv2.COLOR_BGR2GRAY) cv2.imwrite("fullGray.png", imgGray) #save and reread,????????????? newGray = cv2.imread("fullGray.png") finishDraw = False while(1): cv2.imshow('image',img) k=cv2.waitKey(2)&0xFF if k & finishDraw: catchScreen(x1,y1,x2,y2) #img2word(img) #chinese_word=eng2chinese(word) chinese_word='waiting...' #show word when stop draw font=cv2.FONT_HERSHEY_SIMPLEX cv2.putText(img,chinese_word,(x1,y2+24), font, 0.8,(0,0,255),1) cv2.imshow('image',img) cv2.waitKey() break return
