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

• Multithreading type: reentrant (runs in parallel with non-exclusive operators).
• Multithreading scope: global (may be called from any thread).
• Processed without parallelization.

参数表

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