Re: [Gimp-developer] Unsharp Mask and Sharpening

2010-12-20 Thread Geert Jordaens
On 18-12-10 12:58, g...@catking.net wrote: On 17/12/10 20:23, Liam R E Quin wrote: On Thu, 2010-12-09 at 09:35 +1100, Jan Smith wrote: Hi, What are the best GIMP tools for sharpening? Is there a time when someone would use Sharpen instead of Unsharp Mask? To me GIMP's Unsharp Mask has a

Re: [Gimp-developer] Getting new layer modes fit for inclusion

2010-08-28 Thread Geert Jordaens
On 24-08-10 11:51, Øyvind Kolås wrote: On Tue, Aug 24, 2010 at 9:58 AM, Rupert Weberg...@leguanease.org wrote: On 08/24/2010 04:20 AM, David Gowers wrote: I hope you're not associating the quite suboptimal way in which GIMP currently uses GEGL, with BABL's speed or lack of speed. BABL just

Re: [Gimp-developer] Please fix Color and/or Value transfer mode

2010-07-31 Thread geert . jordaens
Compile and end-user. Not all en-users compile their version of Gimp. Bumping the version number in XCF and implementing the compatibility would probably be better. - Originele e-mail - Van: Charlie De charlieco...@yahoo.com Aan: gimp-developer@lists.xcf.berkeley.edu Verzonden:

Re: [Gimp-developer] patch for scale-region.c

2008-08-29 Thread Geert Jordaens
Alastair M. Robinson wrote: Hi Sven Neumann wrote: As already explained in my previous mail, the decimation routines are only used for the pre-scaling steps. As soon as the image is close enough to the final size, the chosen interpolation routine is used. This gives continuous results

Re: [Gimp-developer] patch for scale-region.c

2008-08-29 Thread Geert Jordaens
Sven Neumann wrote: Hi, On Thu, 2008-08-28 at 22:38 +0200, Geert Jordaens wrote: What are your doubts with the new code? Why would a simple box-filter be better for decimating? My doubts with the current approach are manifold: The current code has decimation routines

Re: [Gimp-developer] patch for scale-region.c

2008-08-28 Thread Geert Jordaens
Sven Neumann wrote: Hi, after spending quite some time with the new scale code, I have some doubts about the way that it is scaling down. So here's a patch that I am playing with at the moment: http://sven.gimp.org/misc/gimp-decimate.diff This patch applies against SVN trunk. It only

Re: [Gimp-developer] scale-region.c

2008-08-24 Thread Geert Jordaens
Sven Neumann wrote: Hi Geert, I have a small patch to scale-region.c that I would to have your opinion on. I noticed that the current code sometimes does an unneeded copy operation. This happens when the scale factor is 2^n. For example when an image of 800x600 pixels is scaled to 400x300.

Re: [Gimp-developer] need help with bug #464466 (downscaling quality)

2008-07-31 Thread geert . jordaens
I olso get the top+left pixel error but only when scaling using a script-fu. Any idea? - Oorspronkelijk bericht - Van: David Gowers [mailto:[EMAIL PROTECTED] Verzonden: woensdag, juli 30, 2008 03:53 PM Aan: 'Geert Jordaens' CC: Gimp-developer@lists.xcf.berkeley.edu Onderwerp: Re: [Gimp

Re: [Gimp-developer] need help with bug #464466 (downscaling quality)

2008-07-26 Thread Geert Jordaens
David Gowers wrote: Hello. I've just completed the first half of the set (all specified results before the patch). Currently image files total 66mb, I'm guessing after adding the results after-patch this will come up to ~110mb. During this testing I found one obvious bug, it remains to be

[Gimp-developer] gegl-buffer-load

2008-05-22 Thread Geert Jordaens
I was browsing trough the buffer coding in svn and noticed following in *gegl-buffer-load.c http://svn.gnome.org/viewvc/gegl/trunk/gegl/buffer/gegl-buffer-load.c?view=log *Is it normal that the width and height parameters are inversed? GeglBuffer * *gegl_buffer_load* (*const* gchar *path) {

Re: [Gimp-developer] Downscaling quality.

2007-08-10 Thread Geert Jordaens
Øyvind Kolås wrote: On 8/9/07, Graeme Gill [EMAIL PROTECTED] wrote: Øyvind Kolås wrote: This code implements a perfect box filter for this case, what needs to be added on top of this to be able to do good estimate (maybe even exact) box filter resamplings is trilinear interpolation

Re: [Gimp-developer] Downscaling quality.

2007-08-08 Thread Geert Jordaens
David Gowers wrote: On 8/7/07, Geert Jordaens [EMAIL PROTECTED] wrote: I can't seem to find the associated bug. Does anybody know which is the bug report? I've got a test version (for scale-funcs.c) that scales down in reducing the image 1/4 each step. Between each step a the image

Re: [Gimp-developer] Downscaling quality.

2007-08-08 Thread Geert Jordaens
[EMAIL PROTECTED] wrote: On Wed, 08 Aug 2007 11:57:00 +0200, Geert Jordaens [EMAIL PROTECTED] wrote: I did some reading on image pyramid's (googling) and there the blur action is described as a low pass filter. Factoring the blur out is not a problem. I also have to look to the non

Re: [Gimp-developer] Downscaling quality.

2007-08-07 Thread Geert Jordaens
Sven Neumann wrote: Hi, On Mon, 2007-08-06 at 13:27 -0300, Guillermo Espertino wrote: You're absolutely right. This discussion is pointless. If you suggest that a script for scaling down in several steps is a valid solution you know as much about image manipulation as I do about

Re: [Gimp-developer] index colour images: interp

2007-06-23 Thread Geert Jordaens
David Gowers wrote: On 6/23/07, Sven Neumann [EMAIL PROTECTED] wrote: Hi, On Sat, 2007-06-23 at 13:26 +0200, [EMAIL PROTECTED] wrote: I think nearest neighbour is non technical, very obvious in it's meaning and readily understood. IMO it is very technical and the vast

Re: [Gimp-developer] still the same bug

2007-05-01 Thread Geert Jordaens
-developer IMHO this comes from the histogram correction, try the same with a black (00) cross and white (FF) background. see : 2004-10-30 Sven Neumann [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] * plug-ins/common/despeckle.c: applied a patch from Geert Jordaens

Re: [Gimp-developer] still the same bug

2007-05-01 Thread Geert Jordaens
:[EMAIL PROTECTED] * plug-ins/common/despeckle.c: applied a patch from Geert Jordaens that improves the Despeckle algorithm. See bug #72862 http://bugzilla.gnome.org/show_bug.cgi?id=72862. Right now I don't have the tme to followup a bug report or create a complete patch

Re: [Gimp-developer] Blur tool darkens image?

2007-04-28 Thread Geert Jordaens
For info on different technics of handling the edge you could always have a look at : http://www.cs.cornell.edu/Courses/cs465/2003fa/lectures/04filt-resamp/ Geert ___ Gimp-developer mailing list Gimp-developer@lists.XCF.Berkeley.EDU

[Gimp-developer] Re: Lanczos algorithm funnyness?

2006-09-20 Thread Geert Jordaens
Hello, just to say I'm still working on the lanczos scaling however I can only work limmited time on it. Geert ___ Gimp-developer mailing list Gimp-developer@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer

Re: [Gimp-developer] Problem with GIMP 2.2.8 despeckle plugin

2005-09-02 Thread geert jordaens
Pasi Savolainen wrote: Hi, I'm trying to find a median filter for GIMP and have been having some difficulties. From what I've gathered with google, despeckle plugin is the one that I should look at. I think that it should be ran in non-adaptive and non-recursive mode with white/black points se

Re: [Gimp-developer] file handling, something for GIMP 2.4 ?

2005-02-09 Thread geert jordaens
Hi, if we where to write a vfs for gimp the links below provide some basic information. Anyway it helped me to understand the thread. http://www.flipcode.com/articles/article_vfs01.shtml http://koti.mbnet.fi/heitsu/vfs Geert ___ Gimp-developer mailing

[Gimp-developer] fourier transform (wiener filter)

2005-01-21 Thread geert jordaens
yesterday there was a discussion going on about fourier transform. Before the feature freeze for Gimp 2.2 i was working on a wiener filter plugin. This filter uses a fourier transform. A first version is available at http://users.pandora.be/geert.jordaens/wiener/ I also started on writing a

[Gimp-developer] previewarea and drawablepreview

2004-09-14 Thread geert jordaens
hello, I'm trying to catch up with the changes concerning the preview widget Could somebody explain me why the functions gimp_preview_area_menu_popup gimp_preview_area_menu_new gimp_preview_area_menu_toggled are located in gimppreviewarea this way the preview area is not a basic replacement

Re: [Gimp-developer] previewarea and drawablepreview

2004-09-14 Thread geert jordaens
David Odin wrote: On Tue, Sep 14, 2004 at 07:42:18PM +0200, geert jordaens wrote: hello, I'm trying to catch up with the changes concerning the preview widget Could somebody explain me why the functions gimp_preview_area_menu_popup gimp_preview_area_menu_new

Re: [Gimp-developer] previewarea and drawablepreview

2004-09-14 Thread geert jordaens
David Odin wrote: On Tue, Sep 14, 2004 at 10:23:10PM +0200, geert jordaens wrote: why not just using GimpPreviewArea in a frame? : Well applying a plugin on a 3000*2000 pixel image could take a lot of time. Making the preview scrollable and applying the effect on the viewable part solves most

Re: [Gimp-developer] preview widgets, wiedermal

2004-06-24 Thread geert . jordaens
I'll comment on this one here since I cannot attend the GimpCon. Splitting up as discussed on the mailinglist before: 1. a completely passive widget that has no other function then to visualize a preview image. See bugzilla http://bugzilla.gnome.org/show_bug.cgi?id=144759. The API

Re: [Gimp-developer] preview widgets, wiedermal

2004-06-24 Thread geert . jordaens
I'll comment on this one here since I cannot attend the GimpCon. Splitting up as discussed on the mailinglist before: 1. a completely passive widget that has no other function then to visualize a preview image. See bugzilla http://bugzilla.gnome.org/show_bug.cgi?id=144759. The API

Re: [Gimp-developer] Usability test - Results available

2004-06-12 Thread geert jordaens
PLEASE, has this still anything to do with the original subject? I've got a suggestion : when offended by a mail/comment whatever, don't reply immediatly. Go to a window (not gimp) open it Yell as hard as you can. Take five minutes and repeat if necessary. Then go back to your mail write it,

Re: [Gimp-developer] plug-in preview widget (another try)

2004-05-25 Thread geert jordaens
Agree with Ernst that it's not bad to have the preview widget hold data like other then it's physical limits : - scale - selection limits - ... For instance you can have a plug-in that displays 2 scrollable previews one showing the before and one the after effect. Even nicer they could have

OFF TOPIC [Gimp-developer] Refactoring code from GPL to LGPL

2004-05-24 Thread geert jordaens
maybe this issue can be solved sportively during a boxing match on the GUADEC conference. ;-) ___ Gimp-developer mailing list [EMAIL PROTECTED] http://lists.xcf.berkeley.edu/mailman/listinfo/gimp-developer

Re: [Gimp-developer] plug-in preview widget (another try)

2004-05-22 Thread geert jordaens
I think come up with a simple preview widget is the way to go. At least all people willing to add preview's could start doing it the same way. What I've seen from plugin's is that they are frequently using pixel regions to render images. If the pixel region isn't generic enough the I would

Re: [Gimp-developer] plug-in preview widget (another try)

2004-05-22 Thread geert jordaens
staring from the back. Again, sorry, but I don't understand this. What's the displayed area? What do you mean when you say render We are talking about a preview therefore the (displayed)preview area is the area that is visible to the user. Will use in for further explanation preview buffer to

Re: [Gimp-developer] plug-in preview widget (another try)

2004-05-22 Thread geert jordaens
Sven Neumann wrote: Hi, geert jordaens [EMAIL PROTECTED] writes: A minimum for the preview widget would be : Widgets : 1. The preview area 2. Horizontal/Vertical scrollbars if needed. agreed Signals : 1. preview_draw : draw preview area from

Re: [Gimp-developer] plug-in preview widget (another try)

2004-05-22 Thread geert jordaens
Sven We can keep the buffer outside the preview widget and only have it create an internal buffer if no external buffer is supplied. The API I have in mind is something like the following: /** * Set a pointer to an external buffer. * * The buffer will be of type guchar* for now but using a

Re: [Gimp-developer] plug-in preview widget (another try)

2004-05-22 Thread geert jordaens
Sven ignore the previous posting We can keep the buffer outside the preview widget and only have it create an internal buffer if no external buffer is supplied. The API I have in mind is something like the following: /** * Set a pointer to an external buffer. * * The buffer will be of type

[Gimp-developer] Unsharp plug-in

2004-04-23 Thread geert jordaens
hello, this is the first time I'm posting on this list. It realy is the gimp developer list? I've modified the unsharp plugin and added a preview functionality to it. How do I share it, do I sent it to someone for review? kind regards Geert Jordaens