It is most likely because LCD 7" cape overlay only enables 16bit color. Thats why you are losing color depth.
On Fri, Apr 11, 2014 at 7:54 AM, Mirko Fucci <[email protected]> wrote: > > Hi everyone, > > i have a problem displaying 24 bit images (using QImage or QPixmap) on > beaglebone on 7'' LCD Cape (i'm using cross - compiled QT embedded 4.8.5). > > The image appears with less colors and not clean (dithering problem?). > > I did not understard where the problem is: > > Does it depends on QT configuration (not properly compiled or configured), > QT code (i assign the Qimage built from default constructor to QLabel) , > linux framebuffer driver, > > LCD Cape (i don't think because i tried to display with Angstron on X11 > ant the image is perfect) ? > > I hope someone can address me to figure out the problem . > > Please find attache the original image. > > Thank you. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
