* Fixed artifacts thanks to Alberto
* Added blur to Color propagation
* Clean format code - small improvments
* color propagation: Enable old mode at blur = 0
* Improve GUI
* color propagation: smooth progress bar for blur > 0
* change label
* Some cleanups
* color propagation: small speedup for blur > 0
* color propagation: speedup for blur > 0 when region with clipped highlights is small
* Speed-up for blur=1 - clean GUI code
* color propagation: cleanups
* Harmonize events in tonecurve.cc
* tonecurve.cc : cleanup
* Highlight reconstruction: small changes to gui
* Use Gtk::Box instead of Gtk::VBox
* Change maximum number of blur levels to 4
* Suppress BENCHFUN
* Suppress bad commit locallabtools
Co-authored-by: Desmis <jdesmis@gmail.com>
Co-authored-by: Ingo Weyrich <heckflosse67@gmx.de>
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