detach_background_from_windowT_detach_background_from_windowDetachBackgroundFromWindowDetachBackgroundFromWindowdetach_background_from_window (算子)
名称
detach_background_from_windowT_detach_background_from_windowDetachBackgroundFromWindowDetachBackgroundFromWindowdetach_background_from_window — 从 HALCON 窗口中分离背景图像。
签名
Herror T_detach_background_from_window(const Htuple WindowHandle)
def detach_background_from_window(window_handle: HHandle) -> None
描述
This operator detaches the background image that was previously attached
with attach_background_to_windowattach_background_to_windowAttachBackgroundToWindowAttachBackgroundToWindowAttachBackgroundToWindowattach_background_to_window from the HALCON window
defined in WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle.
Thus the background of the window will be cleared.
执行信息
- 多线程类型：可重入（与非独占算子并行运行）。
- 多线程作用域：全局（可从任何线程调用）。
- 未采用并行化处理。
参数
WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (输入控制) window → HWindow, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
窗口句柄。
结果
如果窗口存在且指定参数正确
detach_background_from_windowdetach_background_from_windowDetachBackgroundFromWindowDetachBackgroundFromWindowDetachBackgroundFromWindowdetach_background_from_window 返回 2 ( H_MSG_TRUE )。如有必要，则抛出异常。
可能的前趋
attach_background_to_windowattach_background_to_windowAttachBackgroundToWindowAttachBackgroundToWindowAttachBackgroundToWindowattach_background_to_window
模块
基础