Re: Run in an X window - Feature request.

[Dave D. <dde...@es...>]

Daniel J Sebald <dan...@ie...> writes:

>>I can't rememver if you can retrieve all the assigned pixels.
>>
>
> Probably, I recall using an X routine to PutPixel for the image
> stuff. X seems to have "opposites" for most of their routines, e.g.,
> GetPixel.
>

That's to get the pixel value at a given place in an image. What I
meant was how to get the RGB values associated with a pixel value.

XAllocColor allocates a pixel.

Looks like XQueryColor is probably the chap I was after

There's also XLookupColor ?


dd
-- 
Dave Denholm              <dde...@es...>       http://www.esmertec.com