query_window_typeT_query_window_typeQueryWindowTypeQueryWindowType (Operator)

Name

query_window_typeT_query_window_typeQueryWindowTypeQueryWindowType — Query all available window types.

Signature

Description

query_window_typequery_window_typeQueryWindowTypeQueryWindowTypeQueryWindowType 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_typeQueryWindowTypeQueryWindowTypeQueryWindowType usefully while developing machine independent programs. Possible values are:

'X-Window'

X-Window Version 11.

'WIN32-Window'

Microsoft Windows.

'Cocoa'

macOS.

'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'

Objects are output to a PostScript File.

Execution Information

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

Parameters

Result

query_window_typequery_window_typeQueryWindowTypeQueryWindowTypeQueryWindowType always returns 2 (H_MSG_TRUE).

Possible Predecessors

reset_obj_dbreset_obj_dbResetObjDbResetObjDbResetObjDb

Module

Foundation