Re: [darktable-user] JPEG quality idea: default to use quantization table from JPEG original when applicable.

2018-11-25 Thread ternaryd
On Sun, 25 Nov 2018 16:05:05 +0100 (CET) Jean-Luc CECCOLI wrote: > And apologizes if I come there a bit late, > but... in my mind, 100% means that the output > file is the exact reflect of the input one. > So, importing a picture with 45% compression > ratio and exporting it at 100% would result

Re: [darktable-user] JPEG quality idea: default to use quantization table from JPEG original when applicable.

2018-11-25 Thread Jean-Luc CECCOLI
> Message du 03/11/18 22:38 > De : "Ricardo Kozmate.Net" > A : darktable-user@lists.darktable.org > Copie à : > Objet : Re: [darktable-user] JPEG quality idea: default to use quantization > table from JPEG original when applicable. > > Em 03/11/18

Re: [darktable-user] JPEG quality idea: default to use quantization table from JPEG original when applicable.

2018-11-03 Thread Ricardo Kozmate.Net
Em 03/11/18 18:11, Stéphane Gourichon escreveu: [...] So, how about implementing, like GIMP does, an option like this: [✔] Use quality settings from original image (when available) I rarely work on JPEG source, preferring RAW except on very specific cases, but it makes sense and indeed I

Re: [darktable-user] JPEG quality idea: default to use quantization table from JPEG original when applicable.

2018-11-03 Thread Patrick Shanahan
* Michael Below [11-03-18 16:19]: > Hi, > > Am Samstag, den 03.11.2018, 19:11 +0100 schrieb Stéphane Gourichon: > > Applying the principle of least surprise invites me to suggest an > > idea: defaulting to roughly same image file weight. > > # Idea, with details > > So, how about implementing,

[darktable-user] JPEG quality idea: default to use quantization table from JPEG original when applicable.

2018-11-03 Thread Stéphane Gourichon
Hi everyone, # Context Recently on this mailing list a user was surprised to import JPEG in darktable then export them and see a huge difference in file weight (byte count). This violates the principle of least surprise, also known as