Re: [PHP] Difference between imagegif/imagejpeg sending to browser <-> saving to file?

Lo again,

found my mistake.. in fact, it was the hex-to-rgb conversion not working
properly in some cases.

[SUBJECT CLOSED]


zyro wrote:
> 
> Hello together,
> 
> I stumbled onto a curious problem:
> i am generating a jpeg/gif with the imagejpeg/imagegif functions (type
> does not alter the result).
> 
> Example color "#ff0000": The hexToRGB coversion etc is all working fine.
> The image (if its send directly to the browser via header and
> imagegif/imagejpeg) is displayed 100% correctly.
> But if i save it to a file on the servers file system, the red above gets
> lime green. And not only those two colors are bugged: It looks like the
> whole palette gets scrambled up ???
> 
> So my question: Is there a-n-y difference between sending and saving the
> image?
> Or do I have to do some additional work before an image can be saved
> correctly? php func reference says something about using
> imagecolortransparent() on the image first to achieve the 89a format (in
> case of gif) but again: This does not alter the result either. Also,
> transparency is not needed at this point but used in images that are
> merged (gifs) to achieve the final result.
> 
> Another interesting point:
> - generated image sent to browser, properties: ~3kb
> - generated image, saved in filesys, properties: ~15kb
> What explains that diff in filesize?
> 
> Thanks for your help,
> 
> greets,
> 
> zyro
> 

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