always need to store opacity - so that we have a valid value when read.
always need to store opacity - so that we have a valid value when read.


gnufabio/qtcurve,KDE/qtcurve,KDE/qtcurve,gnufabio/qtcurve,gnufabio/qtcurve,KDE/qtcurve,KDE/qtcurve,gnufabio/qtcurve