Re: [Hampshire] Convert 8-bit .bmp to 32 bit

On Tue, Jan 26, 2010 at 10:35:12PM +0000, Keith Edmunds wrote:
> This should be trivial, but I'm struggling to do it.
>
> I have a few 8-bit .bmp files that I want to convert to 32 bit. I realise
> they won't look any different... I have tried:
>
> $ file x.bmp
> x.bmp: PC bitmap, Windows 3.x format, 22 x 22 x 8
> $ convert x.bmp -depth 32 y.bmp
> $ file y.bmp
> y.bmp: PC bitmap, Windows 3.x format, 22 x 22 x 8
> $
>
> I've looked at the gimp, but can't see how to do this. I've googled, but
> "32 bit" is an unfortunate phrase to include in a search.
>
> I plead graphic-ignorance: can someone help me out?

Open in the GIMP, go to Image -> Mode -> RGB.

Then do File -> Save As, pick "Select File Type (By Extension)",
and chane it to "Windows BMP Image". Hit "Save", and pick the
"Advanced Options" drop-down. You'll find 16-bit, 24-bit and 32-bit
options.

Hugo.

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