Hi,
The Color layer mode has since long produced bad results, see bug
325564 [1] for a way to see this. The cause is a combination of rounding
errors due to 8bit processing and poor properties/usage of the
underlying color model HSL.
I have just implemented Color based on the CIE LCH color
Martin Nordholts wrote:
Does anyone see any problems with using CIE LCH instead of HSV for these
layer modes? We can ignore backwards compatibility issues for now.
I very rarely use layer modes (and I'm not a GIMP hacker so I'm probably
missing something), but if using internally CIE LCH for
On 08/02/2009 12:19 PM, SHIRAKAWA Akira wrote:
Martin Nordholts wrote:
Does anyone see any problems with using CIE LCH instead of HSV for
these layer modes? We can ignore backwards compatibility issues for now.
Except for the final results, will there be any change at a user
interaction
On Sun, Aug 2, 2009 at 7:49 PM, SHIRAKAWA Akira
shirakawa.ak...@gmail.comwrote:
Martin Nordholts wrote:
Does anyone see any problems with using CIE LCH instead of HSV for these
layer modes? We can ignore backwards compatibility issues for now.
I very rarely use layer modes (and I'm not a
On 08/02/2009 12:59 PM, David Gowers wrote:
LCH processing is definitely slower than HSV or HSL (whether optimized
or not), so this may have an impact on display update speed (and
consequently on user experience)
Problems with real-time responsiveness when using LCH is a good point,
and using
Hi Martin,
On Sat, Aug 01, 2009 at 09:32:36AM +0200, Martin Nordholts wrote:
On 07/31/2009 07:12 AM, Roman Joost wrote:
I could and the patch provided by that bug adds a custom
'property-changed' signal. Sven and Mitch thought, if I inherit from
XMPModel, I wouldn't really need the
On 08/02/2009 01:50 PM, Roman Joost wrote:
does not change the fact that it would be nice to have a
'property-changed' signal as a convenience if you have the need to
listen property changes
So ... I'm just wondering. If I like to use two signals for the
XMPModel, does it still make sense to
Nice work Martin :-)
I'm trying to make a valid comparison of the two images from PS and
Gimp but it seems like the have block distortions from jpeg
compression or something?
I mostly use the color layer mode for overlay painting on black and
white sketches. Here is an example of the use:
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The input I've gotten so far removed any remaining doubt about porting
those layer modes to LCH, so I've done that now:
commit 18603ac192493296b191197a3e2b62c710398afd
Author: Martin Nordholts mart...@src.gnome.org
Date: Sun Aug 2 21:35:10 2009 +0200
Bug 401754 – Port Hue, Saturation,
On Mon, Aug 3, 2009 at 5:13 AM, Martin Nordholts ense...@gmail.com wrote:
The input I've gotten so far removed any remaining doubt about porting
those layer modes to LCH, so I've done that now:
commit 18603ac192493296b191197a3e2b62c710398afd
Author: Martin Nordholts mart...@src.gnome.org
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