query_grayT_query_grayQueryGrayQueryGrayquery_gray (算子名称)
名称
query_grayT_query_grayQueryGrayQueryGrayquery_gray — Query the displayable gray values.
参数签名
描述
query_grayquery_grayQueryGrayQueryGrayQueryGrayquery_gray returns all gray values that are used for
gray value output (disp_imagedisp_imageDispImageDispImageDispImagedisp_image) and that can be reproduced
exactly in the window. They can be set with the
set_grayset_graySetGraySetGraySetGrayset_gray call.
运行信息
- 多线程类型:可重入(与非独占操作符并行运行)。
- 多线程作用域:全局(可以从任何线程调用)。
- 未经并行化处理。
参数表
WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control) window → HWindow, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Window handle.
GrayvalGrayvalGrayvalGrayvalgrayvalgrayval (output_control) integer-array → HTupleSequence[int]HTupleHtuple (integer) (int / long) (Hlong) (Hlong)
Tuple of all displayable gray values.
结果
query_grayquery_grayQueryGrayQueryGrayQueryGrayquery_gray returns 2 (
H_MSG_TRUE)
, if the window is
valid. Otherwise an exception is raised.
可能的后置算子
set_grayset_graySetGraySetGraySetGrayset_gray,
disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region
参考其它
set_grayset_graySetGraySetGraySetGrayset_gray,
disp_imagedisp_imageDispImageDispImageDispImagedisp_image
模块
Foundation