🚀 go-pugleaf

andrew@cubetech.com (Andrew Loewenstern) writes:

>In article <1992Nov3.195318.2902@ife.fdn.org> jj@ife.fdn.org writes:
>>I am developping an image processing library which base is the use of  
>>look up tables to change the dynamic of the image quickly. It does  
>>not seem to have any LUT on the NeXT, has any one solve this problem  
>>earlier, how can I access the graphic memory directly to speed up the  
>>process of my "manual" LUT ??
>
>There are no CLUT's on the NeXT because it has Display PostScript.
>But, if you are writing something where user adjusts a parameter and
>you want to instantly display the effect in a "preview" before applying
>the transformation to the real image, then check out
>setframebuffertransfer.

Why not go for settransfer/setcolortransfer, as these are STANDARD
PostScript operators.  (Why does everybody always suggest the nastiest
sort of hack first?? )

Marcel

PS.:  Andrew, is your mail still broken?  I haven't been able to
get through.