Re: 24-bit-per-pixel limit to Gdk RGB ?

[Peter Finderup Lund <firefly diku dk>]

On Tue, 18 Feb 2003, individual wrote:

> and, for what it's worth (pardon the lack of sophistication of this
> bit) my display menu allows me to choose from "thousands" and
> "millions".

15 or 16 bits (don't know which) and 24-bits (possibly masquerading as
32-bits for speed/alpha channels).

> Yes! See, I want to add a display functionality to a scientific C++
> class that I made that is supposed to make dealing with high-quality,
> high resolution scientific data/images really easy. I use 48 bpp in the
> data, and that is because the image doubles as data storage, which can
> be read in at a later time to continue the procedure (images are
> written out as PNG images, with lossless comprsession).
> I felt that dithering the image data in order to display it would be a
> non-ideal situation for this intended use.

Well, just keep all the data around and reduce it when you display it.
Don't try to use GdkRGB as your data model -- it's just a display device.

-Peter

"Of course, I'm not unbiased, but in my humble opinion, I've
 gotten close to something that I can be really proud of."
 -- Knuth on The Art of Computer Programming.