[Clipart] [Bug 3347] PNG files not optimized

Patricia patricia.fidi01 at laposte.net
Fri Jul 14 16:53:19 PDT 2006

Hi Dan,
Thank you for your explanation.
Is it very important in our case ? --> Can we continue to upload in
80x80px anyway ?

Dan Gerhards a écrit :
> An SVG file can stay the same size, and you can lose data anyway. A coordinate 
> in the large file may be 3.4218, and in the small file, 0.0034. The same 
> number of characters are used, so the file is the same size. However, 
> precision is lost.
> ---Dan
> On Friday 14 July 2006 9:51 am, Patricia wrote:
>> (Sorry I write directly to the list too because freedesktop is again
>> down...)
>> Hi Jonas,
>> I don't know but for me vectors images lost anything...
>> For example, if you save a vector image in 8000x8000 px, it will be the
>> same size than 80x80 px or 5x5px...
>> Patricia
>> Jonas Stein a écrit :
>>>> We may ask people to upload only SVG files with 80px of large.
>>>> -> less work for us with thumbnails, PNG files...
>>>> -> no implementation of library or tool during upload...
>>>> (my answer is in bug 3225 and 3347, if everybody is OK, we may closed
>>>> this old discussion from 2005)
>>> I think there is some loss of data then. IMHO Inkscape uses fixed length
>>> realnumbers to descripe x/y coordinates of a point.
>>> If you sample an image down from 8000x8000 px to 80x80 px there will be
>>> some loss of information because of truncating the coordinates.
>>> Or am i wrong?
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À bientôt
Patricia FIDI

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