MG-Picker Studio uses the Qt Toolkit under the terms of the GNU Lesser General Public License v. 3 and the GNU Lesser General Public License v. 2.1 (both jointly "LGPL"). In compliance with LGPL, this document collects the relevant information about downloading, installing, and building the Qt Toolkit from sources. The main source of the information and most of the web links provided here come from the Qt Company's website.

The Qt Toolkit is copyright by The Qt Company and/or its subsidiary(-ies) and other contributors.

LGPL License Text

The first step in compliance with LGPL is that every recipient of the MG-Picker Studio receives also the full text of the LGPL licenses used (with MGPicker_Program/Terms/Qt).  MG-Picker Studio complies with this requirement by including the full text of the LGPL licenses (lgpl-2.1.txt and lgpl-3.txt) in every MG-Picker Studio distribution. The full text of the LGPL licenses can also be obtained in this documentation by clicking on the links below:

LGPL v2.1

LGPL v3

How MG-Picker Studio Uses Qt

Dynamic Linking

For standalone mode, on each supported platform (Windows, Linux, and macOS), MG-Picker Studio dynamically links to the unmodified Qt libraries, as provided by the Qt Company in the pre-compiled binary format;  For Maya-plugin mode, on each supported platform (Windows, Linux, and macOS), the MG-Picker Studio dynamically links to the Autodesk-modified Qt libraries, as provided by the Autodesk in the pre-compiled binary format. To download the Autodesk-modified Qt source, please visit here; The Autodesk-modified Qt libraries can be found in each Maya distribution or can be built from their source codes.

Also, in compliance with LGPL, the "About MG-Picker Studio" dialog box prominently states that this program uses the Qt Toolkit under the terms of LGPL.

Qt Version Information

Additionally, the MG-Picker Studio Help Menu includes the standard "About Qt" dialog box, which informs the user about the exact version of Qt and explains the Qt licensing terms.

Note that, for different versions of MG-Picker Studio Maya-Plugins, the dialog will show different Qt versions.

Qt Library Source Code

The MG-Picker Studio has used several Qt versions.

Standalone Mode: https://download.qt.io/archive/qt/5.12/5.12.12/

Maya Plug-in Mode: Autodesk Open Source Distribution

Written Offer to Provide Source Code

In case you have any trouble downloading the Qt Source Code from the official links provided above, you can make a Qt source code request, send email to the following address: mgpickerstudio@gmail.com. Please indicate which specific MG-Picker studio version you are using.