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

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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@xxxxxxxxxxxxx> 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.
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