Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-15 Thread Graeme Gill
yahvuu wrote: Graeme Gill wrote: The bottom line is that it depends on your purpose. If you have a particular reason to specify device dependent colors, then you deliberately don't want to tag the file with a profile. This case worries me a bit. Hope you can enlighten me what the best

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-13 Thread yahvuu
Graeme Gill wrote: The bottom line is that it depends on your purpose. If you have a particular reason to specify device dependent colors, then you deliberately don't want to tag the file with a profile. This case worries me a bit. Hope you can enlighten me what the best practices are. In a

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-13 Thread Omari Stephens
On 03/13/2010 02:41 PM, yahvuu wrote: Graeme Gill wrote: The bottom line is that it depends on your purpose. If you have a particular reason to specify device dependent colors, then you deliberately don't want to tag the file with a profile. This case worries me a bit. Hope you can enlighten

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-13 Thread yahvuu
Omari Stephens wrote: On 03/13/2010 02:41 PM, yahvuu wrote: But how to avoid the overhead when such files are to be archieved? After all, URLs tend to throw 404s after a while. Just rely on the compression feature of the backup software? I think the answer is easy: provide a way to strip

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-10 Thread Sven Neumann
Hi, On Tue, 2010-03-09 at 22:22 -0500, Jay Smith wrote: ... So what I want to understand is . - In Gimp, I understand that an image without an embedded color space is treated as if it had an embedded sRGB color space. Not completely. It is assumed to be in sRGB. That

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-10 Thread Sven Neumann
On Wed, 2010-03-10 at 09:14 +0100, Sven Neumann wrote: - And do the words embedding or assigning or tagging mean the same thing in this context? No, but that should have become evident already. Let me try to define the terms nevertheless. Perhaps that helps to clear up some of the

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-10 Thread Jason Simanek
On 03/10/2010 02:37 AM, Sven Neumann wrote: Some file formats, such as PNG for example, allow to tag the file to be in a particular well-known color space. The color profile is not embedded then, it is assumed to be well-defined. Instead of distributing the profile with the image file, there

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-10 Thread Jay Smith
On 03/10/2010 09:40 AM, Jason Simanek wrote: On 03/10/2010 02:37 AM, Sven Neumann wrote: Some file formats, such as PNG for example, allow to tag the file to be in a particular well-known color space. The color profile is not embedded then, it is assumed to be well-defined. Instead of

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-10 Thread Alexia Death
On Wed, Mar 10, 2010 at 6:04 PM, Jay Smith j...@jaysmith.com wrote: You are going to hate this suggestion, but as long as certain browsers are causing you a problem, you may have to do browser sniffing and serve those users different content.  In other words, different image files get called

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-10 Thread Jason Simanek
On Wed, Mar 10, 2010 at 11:31 AM, Alexia Death alexiade...@gmail.com wrote: Problem is not serving different content. Problem is making content that works for those, and ultimately for all browsers. So your suggestion misses the point. The point is need to create images that are not color

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-09 Thread Graeme Gill
Omari Stephens wrote: Basically, lcms generates an RGB profile with the sRGB primaries, transfer functions (aka gamma curve), and whitepoint; for the curious, this happens in cmsCreate_sRGBProfile() in cmsvirt.c . For one, I'm not sure if this is all there is to a real sRGB profile

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-09 Thread Graeme Gill
Jay Smith wrote: In various places (not necessarily in this thread) there is discussion of embedding profiles and tagging with color space. It is NOT clear to me if these are two phrases with the same meaning. In general they are the same thing. Some people have schemes to tag a file with a

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-09 Thread Liam R E Quin
On Wed, 2010-03-10 at 16:36 +1100, Graeme Gill wrote: [...] Hmm. I'm not sure that 3k for an image is really that significant given the bloat and slowdown on typical websites Some people (including me) go to quite a bit of trouble to make the initial Web page load as quickly as possible. It

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-08 Thread Sven Neumann
On Mon, 2010-03-08 at 08:52 +0100, Sven Neumann wrote: Since the in-memory representation you get from cmsCreate_sRGBProfile() has the same MD5 sum as an sRGB profile opened from disk, it appears that it should be sufficient to use g_file_set_contents() to write it to disk (if that is needed

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-07 Thread Sven Neumann
Hi, On Mon, 2010-03-08 at 05:53 +, Omari Stephens wrote: So, you're right; I had dismissed this possibility out-of-hand without investigating sufficiently. Having poked around the lcms code a bit, I don't think this option is feasible. Basically, lcms generates an RGB profile with

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-06 Thread Sven Neumann
Hi, On Fri, 2010-03-05 at 07:34 +, Omari Stephens wrote: Finally, to respond to your question on the bug, we need some way to embed an actual sRGB profile into an image. Can't we just embed the lcms built-in sRGB profile? That sounds like a totally straight-forward solution. But I might

[Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-04 Thread Omari Stephens
Hi, all. I just finished v1 of the patch to add the sRGB ICCv2 profiles to the GIMP distribution. They're 3kB each, so size shouldn't be an issue. The main question is one of licensing. I believe the license allows us to distribute the profiles, but IANAL. I'd appreciate if someone who

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-04 Thread Graeme Gill
Omari Stephens wrote: Hi, all. I just finished v1 of the patch to add the sRGB ICCv2 profiles to the GIMP distribution. They're 3kB each, so size shouldn't be an issue. The main question is one of licensing. I believe the license allows us to distribute the profiles, but IANAL. As I

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-04 Thread Sven Neumann
On Thu, 2010-03-04 at 19:49 +, Omari Stephens wrote: Hi, all. I just finished v1 of the patch to add the sRGB ICCv2 profiles to the GIMP distribution. They're 3kB each, so size shouldn't be an issue. The main question is one of licensing. I believe the license allows us to

Re: [Gimp-developer] GIMP distributing sRGB profiles: license issues?

2010-03-04 Thread Omari Stephens
On 03/04/2010 09:01 PM, Sven Neumann wrote: On Thu, 2010-03-04 at 19:49 +, Omari Stephens wrote: Hi, all. I just finished v1 of the patch to add the sRGB ICCv2 profiles to the GIMP distribution. They're 3kB each, so size shouldn't be an issue. The main question is one of licensing. I