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[bug-gv] [task #7037] Automatic selection of visual

From: Jose E. Marchesi
Subject: [bug-gv] [task #7037] Automatic selection of visual
Date: Tue, 26 Jun 2007 15:22:46 +0000
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20070310 Iceweasel/ (Debian-


                 Summary: Automatic selection of visual
                 Project: GNU gv
            Submitted by: jemarch
            Submitted on: Tuesday 06/26/2007 at 15:22
         Should Start On: Tuesday 06/26/2007 at 00:00
   Should be Finished on: Tuesday 06/26/2007 at 00:00
                Category: None
                Priority: 1 - Later
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00



I have a graphics card whose default visual is 8bpp PseudoColor but it also
provides multiple 24bpp TrueColor visuals.

Most of color-intense applications like gs or xdvi correctly pick
up a TrueColor visual. Unfortunately, gv seems to work in the
default (PseudoColor) visual and hence provides poor quality for
many postscript files.

I tried setting Xdefaults to

gv*depth: 24
(gives BadMatch error)

gv*visual: truecolor
(gives Warning: Cannot find Visual of class truecolor for display :0.0 and
still uses pseudocolor)

and both
(give BadMatch)

Automatic selection of the best visual available on the system, or the
ability to select a user-specifid visual, would be an
extremely useful feature! 


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