On Mon, Jan 23, 2012 at 1:51 PM, Nicholas Cooper <nicho...@twpagency.com> wrote:
> Hi everyone,
> I've created an image in RGB from ImageMagick, it's 4 by 4 so I'm
> expecting 48 numbers (4*4*3). [width*height*(R,G,B)]
> When I read the file with PHP and unpack it I get between 330 and 333,
> I guess this difference is down to headers and end of file data.  Is
> there anyway to access only the useful image bits, those 48 numbers?
> Thank you,
> Nicholas Cooper


The easiest way is probably using imagecolorat[1]. Just do a nested
for loop over x and y values, and call imagecolorat for each pixel.


[1] www.php.net/imagecolorat

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