query_window_typeT_query_window_typeQueryWindowTypeQueryWindowTypequery_window_type (算子名称)

名称

query_window_typeT_query_window_typeQueryWindowTypeQueryWindowTypequery_window_type — Query all available window types.

参数签名

描述

query_window_typequery_window_typeQueryWindowTypeQueryWindowTypeQueryWindowTypequery_window_type returns a tuple which contains all devices or software systems, respectively, which are used to display image objects. You may use query_window_typequery_window_typeQueryWindowTypeQueryWindowTypeQueryWindowTypequery_window_type usefully while developing machine independent programs. Possible values are:

'X-Window'"X-Window""X-Window""X-Window""X-Window""X-Window"

X-Window Version 11.

'WIN32-Window'"WIN32-Window""WIN32-Window""WIN32-Window""WIN32-Window""WIN32-Window"

Microsoft Windows.

'pixmap'"pixmap""pixmap""pixmap""pixmap""pixmap"

Windows are not displayed, but managed in memory. In this manner it is possible to port HALCON programs to computers without graphical display.

'PostScript'"PostScript""PostScript""PostScript""PostScript""PostScript"

Objects are output to a PostScript File.

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_window_typequery_window_typeQueryWindowTypeQueryWindowTypeQueryWindowTypequery_window_type always returns 2 ( H_MSG_TRUE) .

可能的前置算子

reset_obj_dbreset_obj_dbResetObjDbResetObjDbResetObjDbreset_obj_db

模块

Foundation