I need to write an external for LiveCode in C++, but I doubt my ability to do it.

[Simon]

Jonathan Lynch wrote
> ...but it still requires looking at every single pixel and checking to
> see if the colors are within a certain range.

I'm way out of my league here but...
Doesn't lossy jpeg compression make assumptions about 2 pixels next to each
other?
(pseudo)
if pixel 1,1 = green 
skip pixel 1,2
is pixel 1,3 green
etc.
That would increase the speed by lots I'd think.
Of course it is lossy.

Simon



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