On Thu, 2003-09-25 at 22:02, Vincent Lefevre wrote: > > On 2003-09-15 17:31:54 +0200, Michel Dänzer wrote: > > On Mon, 2003-09-15 at 00:32, Vincent Lefevre wrote: > > > On my G4 PowerBook, this isn't much contrast for dark colors, whether > > > I use the LCD or a CRT monitor connected to it. When I look at the > > > same desktop from my RISC OS computer via a VNC client (and using the > > > same CRT monitor), images look OK. It seems that the PowerBook doesn't > > > do gamma correction by default. How can I do that? I've tried to add > > > a -gamma option in /etc/X11/xinit/xserverrc, but images look terrible > > > (probably saturated, or as if I had a palette with few colors). > > > > Have you played with xgamma yet? > > I've just tried, but it works incorrectly. Instead of getting > an image of better quality, the image gets very ugly.
Maybe you need a tool which gives you even more control than xgamma? > I could compare with the hardware gamma correction of my Risc PC (using > the VNC client on this machine), and there is a huge difference. FWIW, this is hardware gamma correction as well. I was going to say that the panel might simply not meet your expectations, but I just saw above that the problem happens with the CRT as well... -- Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer
