I want to include some code from qwt example source code into my GPLv3 licensed open source application. Specifically these files from the "realtime" example:
scrollbar.cpp
scrollbar.h
scrollzoomer.cpp
scrollzoomer.h
These files do not have license headers. I assume they are under the Qwt license as other source files. I was wondering if I can re-license them to GPL to keep licensing clear in my application. I'm thinking about adding this header to the files:
/*
Copyright © 2014 Uwe Rathmann
Note: This file is re-licensed from Qwt License to GPL. You can get the
original file from Qwt project (http://qwt.sourceforge.net/)
This file is part of serialplot.
serialplot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
serialplot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with serialplot. If not, see <http://www.gnu.org/licenses/>.
*/
/*
Copyright © 2014 Uwe Rathmann
Note: This file is re-licensed from Qwt License to GPL. You can get the
original file from Qwt project (http://qwt.sourceforge.net/)
This file is part of serialplot.
serialplot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
serialplot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with serialplot. If not, see <http://www.gnu.org/licenses/>.
*/
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Would that be okay?
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