set_window_typeset_window_typeSetWindowTypeSetWindowTypeset_window_type (Operator)

Name

set_window_typeset_window_typeSetWindowTypeSetWindowTypeset_window_type — Specify a window type.

Signature

set_window_type( : : WindowType : )

Description

set_window_typeset_window_typeSetWindowTypeSetWindowTypeset_window_type determines on which type of output device the output is going to be displayed. This specification is going to be used by the operator open_windowopen_windowOpenWindowOpenWindowopen_window while opening the windows. You may open different windows on different types of output devices. Therefore you have to specify the wanted type before opening. You may request the available types of output devices by calling the operator query_window_typequery_window_typeQueryWindowTypeQueryWindowTypequery_window_type. Possible values are:

'X-Window'"X-Window""X-Window""X-Window""X-Window": X-Window Version 11.
'WIN32-Window'"WIN32-Window""WIN32-Window""WIN32-Window""WIN32-Window": Microsoft Windows.
'pixmap'"pixmap""pixmap""pixmap""pixmap": Windows are not displayed, but managed in memory only. In this manner you may port HALCON programs to computers without graphical display.
'PostScript'"PostScript""PostScript""PostScript""PostScript": Objects are output to a PostScript File.
'system_default'"system_default""system_default""system_default""system_default": Default for current platform.

A useful usage of set_window_typeset_window_typeSetWindowTypeSetWindowTypeset_window_type could be the development of machine independent programs.

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

WindowTypeWindowTypeWindowTypewindowTypewindow_type (input_control) string → (string)

Name of the window type which has to be set.

Default: 'X-Window' "X-Window" "X-Window" "X-Window" "X-Window"

List of values: 'PostScript'"PostScript""PostScript""PostScript""PostScript", 'WIN32-Window'"WIN32-Window""WIN32-Window""WIN32-Window""WIN32-Window", 'X-Window'"X-Window""X-Window""X-Window""X-Window", 'pixmap'"pixmap""pixmap""pixmap""pixmap", 'system_default'"system_default""system_default""system_default""system_default"

Result

If the type of the output device is available, then set_window_typeset_window_typeSetWindowTypeSetWindowTypeset_window_type returns 2 ( H_MSG_TRUE) . If necessary an exception is raised.

Possible Predecessors

open_windowopen_windowOpenWindowOpenWindowopen_window

Module

Foundation

Operators