JPEG is lossy. It's bad to store the original images in JPEG, for any purpose.

You want to keep as much information as possible, which means
something like RAW format for photos taken with a good camera, PNG for
pixel art, PSD for multi-layer compositions, and SVG/AI for vector
graphics.

On 1 November 2015 at 13:34, Javier Agustìn Fernàndez Arroyo

<elhoir@gmail.com> wrote:
> i dont know what is the best format... but i prefer JPG images instead of
> PNG.....
>
> On Sat, Oct 31, 2015 at 6:44 PM, Colin Finck <colin@reactos.org> wrote:
>>
>> Hi all,
>>
>> After Victor's commit of so many files to our press-media repository,
>> I think we should establish some binding rules for it:
>>
>>
>> * There is no need to have a single file in X different formats in the
>> repository. Let's only keep it there in the best format. In particular,
>> that means:
>>
>>       Vector formats > Dynamic raster formats > Static raster formats
>>       E.g.: AI/SVG > PSD/TIFF > PNG
>>
>> The only exception to the rule can be made if one of the better formats
>> is highly proprietary (like AI). In that case, an additional SVG file or
>> (as a last resort) high-resolution PNG file may accompany it.
>> I don't consider PSD proprietary anymore, because almost every
>> Open-Source and Closed-Source graphics tool can work with them.
>>
>> Totally uncompressed formats (like BMP) have no reason to stay in the
>> repository at all when better compressed formats (like PNG) are available.
>> I would make the only exception to e.g. the BIOS logo for the MiniPC,
>> because this one needs to be a BMP with special settings for technical
>> reasons.
>>
>> * Only directly ReactOS-related media whose copyright is clarified
>> should go there. Third-party graphics can pose a serious legal trouble.
>> Additionally, Stock graphics can be found on many platforms. There is no
>> need to let press-media become a repository for this.
>>
>>
>> As long as there are no objections or additions, I would like Victor to
>> remove some redundant files according to these rules.
>>
>>
>> Cheers,
>>
>> Colin
>>
>>
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>
>
>
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