Quick C question

[dsr at tao.merseine.nu (dsr at tao.merseine.nu)]

On Wed, Nov 16, 2005 at 11:25:29AM -0500, Josh ChaitinPollak wrote:
> Don't use multidimensional arrays for image processing. You'll take  
> huge speed hits and the compiler won't be able to optimize. Allocate  
> a single dimensional N*M array and do the math to get to the pixels  
> you need. You'll find it much easier to deal with in the long run.  
> Not to mention for loops to deallocate the sub-arrays will get very  
> old, very quickly.

And if you're doing more than writing a plugin filter -- go find
a graphics library that appeals to you. Reinventing the wheel is
a really lousy way of spending your time...

-dsr-