Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-06 Thread Elle Stone
On 11/05/2014 09:40 AM, Jon Nordby wrote: On 5 November 2014 14:50, Elle Stone wrote: For the babl code that converts an sRGB image to grayscale for use as a layer mask, do you plan to add a new set of functions that convert from UserRGB to grayscale? That code would, of cours

Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-05 Thread Jon Nordby
On 5 November 2014 14:50, Elle Stone wrote: > On 11/05/2014 08:22 AM, Jon Nordby wrote: > >> What you just described IS side-by-side implementations of >> operations. In an ICC profile color-managed application, sRGB is >> just another RGB working space. You don't need to special-case

Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-05 Thread Elle Stone
On 11/05/2014 08:22 AM, Jon Nordby wrote: What you just described IS side-by-side implementations of operations. In an ICC profile color-managed application, sRGB is just another RGB working space. You don't need to special-case sRGB. No it is not. There will be one implementation o

Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-05 Thread Jon Nordby
On 5 November 2014 13:50, Elle Stone wrote: > On 11/04/2014 02:31 PM, Jon Nordby wrote: > >> (apologies for top-posting) >> >> Hi Elle, >> >> The BABL roadmap[1], which was written in response to comments raised by >> you (and others), >> details a mechanism for working with multiple RGB color sp

Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-05 Thread Elle Stone
In his last post on the topic Pippin said: Once we have the vocabulary to also describe this aspect of the pixelformats used by operations, the first thing we should do is to annotate all the operations which are broken when done with sRGB primaries, then we will be able to continue refactoring,

Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-05 Thread Elle Stone
On 11/04/2014 02:31 PM, Jon Nordby wrote: (apologies for top-posting) Hi Elle, The BABL roadmap[1], which was written in response to comments raised by you (and others), details a mechanism for working with multiple RGB color spaces. It will be possible to create a babl format specifier which m

Re: [Gimp-developer] GIMP should fork babl and GEGL

2014-11-04 Thread Jon Nordby
(apologies for top-posting) Hi Elle, The BABL roadmap[1], which was written in response to comments raised by you (and others), details a mechanism for working with multiple RGB color spaces. It will be possible to create a babl format specifier which means "whatever-the-artist-chose-for-this-ima

[Gimp-developer] GIMP should fork babl and GEGL

2014-11-04 Thread Elle Stone
Below explains why GIMP should fork babl and GEGL for use just with GIMP: Hacker News picked up an article from my website: The Sad State of High Bit Depth GIMP Color Management (http://ninedegreesbelow.com/photography/sad-state-of-high-bit-depth-gimp-color-management.html) In the Hacker News