Solaris 10 - Changing default screen color depth

Hello,
I just upgraded a Sun Blade from Solaris 8 to 10. I have a rather old image display application (ftp://east.la.asu.edu/pub/software/pw-5.23.tar.gz) that is absolutely essential for my work, and it will not run under Solaris 10, either on the CDE or jave/gnome desktops.
The executable for this application was compiled using gcc on Solaris 8, and ran fine on Solaris 8 CDE (v1.4.3?) with the "Most colors for applications" color setting in Desktop Color prefs. With that setup, the application allocated 216 colors when starting up, which was sufficient. If the application could not allocate enough colors, it would use its own private color map, which caused window "flashing," but that was OK.
Under Solaris 10 CDE (v1.6.3) and gnome, the application cannot allocate enough colors, and cannot even start with its own color map.
I re-complied the application on Solaris 10 using Sun Studio 11, and the same problem occurs with the new executable.
I think that the problem may be related to default color depth. Right now, with xwininfo, my Solaris 10 CDE xterms are 24-bit true color. Unfortunately, I think that I may need to set my default color depth to 8-bit pseudocolor for the application to run. How can I change the default color depth of the CDE and gnome desktops to pseudocolor? I know that the application works on HP-UX CDE with the default depth as pseudocolor.
I cannot remember if I had somehow changed the settings for color depth on Solaris 8 to get the application to run. I do know that the xwininfo results for a Firefox browser window running on my Solaris 8 CDE desktop was 24-bit true color. I hope very much that this will be the case if I change my default depth to 8-bit on Solaris 10.
Any help that anyone can provide would be GREATLY appreciated. I am dead in the water without this imaging application. I am a member of the Sun Developer Network, and I don't know if I should post this message somewhere on the Developer Forums. Please let me know if I should.
Thank you in advance!!!!!

Hi,
In my first post there is a link to the code I am talking about. The code is public and available. It was created by Noel Gorelick at ASU. It is based on having an 8-bit Xserver running. There are few users of this code, but I completely agree with you that a new generation of unix-based imaging code needs to be developed that is system and Xserver independent. Optimal code should detect screen depth and open windows with desired color depth automatically, without "flashing.". That way, it could even run under Gnome, which allocates all but 18 8-bit colors for the desktop. Under CDE, the code allocates 224 colors for itself, which is great. The above code will create its own colormap if it cannot allocate enough colors, but there is flashing in that case. Have at it if you wish.
Best regards,
Sparcmaster

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Solaris 10 - Changing default screen color depth

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