Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Guillermo Espertino (Gez)
El 14/11/12 23:18, Ofnuts escribió: Use legacy mode when the image is iprocessed in 8-bit? (which could be on e of the technical reasons for the non-linear blending anyway) That's interesting, and iirc it was one of the first proposals. The problem with that, in my opinion, is how to communica

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Ofnuts
On 11/14/2012 07:00 PM, Guillermo Espertino (Gez) wrote: After thinking about it for a moment, I can't imagine a better way to address this problem other than adding a special "mode" that makes all blends non-linear, but considering the need of a web-safe workflow, it probably shouldn't be na

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Guillermo Espertino (Gez)
El 14/11/12 12:43, yahvuu escribió: I was thinking about adding it along with the lock buttons. A checkbox labeled "legacy mode" that adds the needed gamma correction nodes to all the layers and replaces the new overlay for soft-light is all that we need. I can't see a reason for having legacy bl

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread yahvuu
Am 14.11.2012 14:50, schrieb Guillermo Espertino (Gez): > I think that a checkbox in the layers panel would be more elegant and > less of a clutter than adding "legacy blending modes" to the available > blending modes. Ahh, i see, so we're not so much inline as i previously thought :) A bit of v

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Simon Budig
Paul Geraskin (paul_geras...@mail.ru) wrote: > If you have read the article.. it happens only if you use gaussian > blur filter which makes some color calculations with alpha. Please take a deep breath, relax a little and don't jump to conclusions. This article is exactly about the blending probl

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Paul Geraskin
If you have read the article.. it happens only if you use gaussian blur filter which makes some color calculations with alpha. We don't talk about alpha... This is different thing because there can be pre-multilied alpha effect. We are talking about OVERLAY MIX MODE. And my patch for Gimp look

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Guillermo Espertino (Gez)
El 14/11/12 04:57, Paul Geraskin escribió: Hi again. I talked to Krita developer "Boud" by IRC and he said many interesting things about linear RGB. He said that there is no need to convert to Linear RGB. Krita does not convert anything. It only mixes layers. So everything is simplier. You ju

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread yahvuu
Am 14.11.2012 13:32, schrieb yahvuu: > Writing legacy XCF is clearly an export. oops, i meant: "Writing XCF compatible with older GIMP versions is clearly an export". (That is, a composition with legacy blend modes can just be saved as any other composition. Only when backwards compatibility is

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Guillermo Espertino (Gez)
El 14/11/12 09:32, yahvuu escribió: Am 13.11.2012 18:37, schrieb Michael Natterer: The problem is much bigger. Almost *all* of our layer modes will be "Legacy", and the new modes will operate in linear light. Just adding a hack for overlay is not going to fix the root problem. are you referring

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread yahvuu
Am 13.11.2012 18:37, schrieb Michael Natterer: > The problem is much bigger. Almost *all* of our layer modes > will be "Legacy", and the new modes will operate in linear > light. Just adding a hack for overlay is not going to > fix the root problem. are you referring to technical concerns or rathe

Re: [Gimp-developer] Cross-compile for and packaging/testing on Windows

2012-11-14 Thread Jehan Pagès
Hey, On Mon, Nov 12, 2012 at 1:25 PM, Jehan Pagès wrote: > Hi, > > On Mon, Nov 12, 2012 at 12:46 PM, drawoc wrote: > >> Personally, I think the wiki would probably be a better place for >> stuff like that than the repo (but it's not really my call what goes >> in the repo or not). >> >> There's

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Michael Natterer
On Wed, 2012-11-14 at 12:21 +0400, Alexandre Prokoudine wrote: > On Wed, Nov 14, 2012 at 11:57 AM, Paul Geraskin wrote: > > Hi again. > > > > I talked to Krita developer "Boud" by IRC and he said many interesting > > things about linear RGB. > > He said that there is no need to convert to Linear R

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Paul Geraskin
If GEGL always works in Liner RGBA, so it's already linear. Then formulas of modes work correctly. So it's good. So, everything is ok i guess? On 14.11.2012 12:21, Alexandre Prokoudine wrote: This is true for Krita, this isn't true for GIMP and GEGL. GEGL _always_ works in linear light RGBA.

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Alexandre Prokoudine
On Wed, Nov 14, 2012 at 11:57 AM, Paul Geraskin wrote: > Hi again. > > I talked to Krita developer "Boud" by IRC and he said many interesting > things about linear RGB. > He said that there is no need to convert to Linear RGB. This is true for Krita, this isn't true for GIMP and GEGL. GEGL _alwa

Re: [Gimp-developer] Overlay Mode - fix.

2012-11-14 Thread Michael Natterer
On Wed, 2012-11-14 at 11:57 +0400, Paul Geraskin wrote: > Hi again. > > I talked to Krita developer "Boud" by IRC and he said many interesting > things about linear RGB. > He said that there is no need to convert to Linear RGB. Krita does not > convert anything. It only mixes layers. I suggest