if cv2.getWindowProperty('frame', cv2.WND_PROP_VISIBLE) < 1.0: break 1 思路 一般而言,在循环中显示图像时,如果鼠标点击关机图像窗口,图像窗口会被关闭,但会马上打开新的窗口,而用户鼠标点击图像窗口的关闭按钮时,主要是想退出程序,所以需要监测出窗口被鼠标关闭,再退出该循环即可。 2 代码 import cv2 def ...
WindowPropertyFlags Static WND_PROP_FULLSCREEN := 0 Static WND_PROP_AUTOSIZE := 1 Static WND_PROP_ASPECT_RATIO := 2 Static WND_PROP_OPENGL := 3 Static WND_PROP_VISIBLE := 4 Static WND_PROP_TOPMOST := 5 Static WND_PROP_VSYNC := 6 ; MouseEventTypes Static EVENT_MOUSEMOVE := 0 Sta...
When trying to set the window to fullscreen using cv2.setWindowProperty("Image", cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN), the window shows a white screen instead of the webcam capture/image file that is being read. When the line of code is commented out, the window correctly shows...
WindowPropertyFlags Static WND_PROP_FULLSCREEN := 0 Static WND_PROP_AUTOSIZE := 1 Static WND_PROP_ASPECT_RATIO := 2 Static WND_PROP_OPENGL := 3 Static WND_PROP_VISIBLE := 4 Static WND_PROP_TOPMOST := 5 Static WND_PROP_VSYNC := 6 ; MouseEventTypes Static EVENT_MOUSEMOVE := 0 Sta...
WindowPropertyFlags Static WND_PROP_FULLSCREEN := 0 Static WND_PROP_AUTOSIZE := 1 Static WND_PROP_ASPECT_RATIO := 2 Static WND_PROP_OPENGL := 3 Static WND_PROP_VISIBLE := 4 Static WND_PROP_TOPMOST := 5 Static WND_PROP_VSYNC := 6 ; MouseEventTypes Static EVENT_MOUSEMOVE := 0 Sta...
WindowPropertyFlags Static WND_PROP_FULLSCREEN := 0 Static WND_PROP_AUTOSIZE := 1 Static WND_PROP_ASPECT_RATIO := 2 Static WND_PROP_OPENGL := 3 Static WND_PROP_VISIBLE := 4 Static WND_PROP_TOPMOST := 5 Static WND_PROP_VSYNC := 6 ; MouseEventTypes Static EVENT_MOUSEMOVE := 0 Sta...
_PROP_OPENNI_APPROX_FRAME_SYNC := 105 Static CAP_PROP_OPENNI_MAX_BUFFER_SIZE := 106 Static CAP_PROP_OPENNI_CIRCLE_BUFFER := 107 Static CAP_PROP_OPENNI_MAX_TIME_DURATION := 108 Static CAP_PROP_OPENNI_GENERATOR_PRESENT := 109 Static CAP_PROP_OPENNI2_SYNC := 110 Static CAP_PROP_...