Re: Reading only RGB portion of an image, file_get_conents minus file headers etc

Absolutely agreed. A part of what i was asking deals with what he is actually doing... -- The trouble with programmers is that you can never tell what a programmer is doing until it’s too late.  ~Seymour Cray On Mon, Jan 23, 2012 at 9:37 PM, Robert Cummings <robert@interjinn.com> wrote: > On 12-01-23 09:29 PM, Alex Nikitin wrote: >> >> Have you done image processing? In my experience, with image >> generation, photography and processing, typically you are bound by >> resources when processing large amount of files than your connection, >> or sometimes even disk io. > > > It really depends on what you're doing with images, if it's intensive > processing that's already implemented in the gd or imagick library to which > you can just punt, then how much overhead do you think PHP is really going > to add since these are C implemented libraries? Sure, if you are > manipulating pixels one by one within your PHP code you may be running into > resource issues, but for scaling images, or cropping, or even clipping and > overlaying... you're not usually doing a whole lot within PHP itself. The > love is happening in the C code in these cases. This is why when working > with these libs you get a resource handle and not a string. The resource > handle almost certainly maps to a native GD or imagick structure. > > > Cheers, > Rob. > -- > E-Mail Disclaimer: Information contained in this message and any > attached documents is considered confidential and legally protected. > This message is intended solely for the addressee(s). Disclosure, > copying, and distribution are prohibited unless authorized.