Thanks!
On Wednesday, May 21, 2014, Riccardo Mottola <[email protected]>
wrote:
> Hi,
>
> Lundberg, Johannes wrote:
>
>> Well, the GNUstep documentation clearly states that it is from 0 - 255 so
>> maybe it something that Apple changed recently? We also have to update the
>> documentation and think about all the programs we will break if changing
>> the functionality...
>>
>> I found this code in our JPEG handling:
>
> if (qualityNumber != nil)
> {
> quality = (int) ((1-[qualityNumber floatValue] / 255.0) * 100.0);
> }
>
> it is clearly expecting something between 0 and 255 and in "reversed" way,
> since Cocoa states that 0 is lowest quality, 1 highest.
>
> This assumption (and back-and-forth conversion) is all over
> NSBitmapImageRep.
>
> I fixed that to my best. Please try!
>
> Maybe I have forgotten something elsewhere.
>
> Now, in PRICE, if I compress the same image with different settings, I do
> get:
>
> -rw-r--r-- 1 multix staff 14751 May 21 16:44 linhof_00.jpg
> -rw-r--r-- 1 multix staff 451980 May 21 16:46 linhof_100.jpg
> -rw-r--r-- 1 multix staff 41743 May 21 16:44 linhof_25.jpg
> -rw-r--r-- 1 multix staff 86293 May 21 16:44 linhof_75.jpg
> -rw-r--r-- 1 multix staff 355566 May 21 16:46 linhof_98.jpg
>
> which looks much more reasonable than before!
>
> Riccardo
>
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--
Johannes Lundberg
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