Re: [Gimp-developer] GIMP 2.8.16

2015-11-22 Thread Michael Henning
Yes, gimp 2.8 is supported on Windows 10. From, drawoc On Sun, Nov 22, 2015 at 5:30 PM, hiro34567 wrote: > Please teach it > > GIMP 2.8.16 > > Do you support Windows 10 ? > > > hiro > > ___ > gimp-developer-list mailing list

Re: [Gimp-developer] Application Information Required for Windows 10 |GIMP v2.6.6|

2015-11-12 Thread Michael Henning
Hello. Gimp 2.6 is an old version that is no longer supported on any platform. I recommend that you upgrade to gimp 2.8, which is supported on Windows 10. The current gimp release (at the time of writing) is 2.8.14. Always download gimp at the official site: http://www.gimp.org/downloads/

Re: [Gimp-developer] Brush + Paint Dynamic - performance problems and comparison between 2.9 and 2.8.14.

2015-09-06 Thread Michael Henning
Please update to latest gimp master and test. I think I fixed this. commit 3233a70bae756e8f62fb144cbce9d8f84ed25609 Author: Michael Henning Date: Sun Sep 6 00:05:32 2015 -0400 libgimpwidgets: Avoid updating the rulers too often. Ever since 72617e42b, whenever the user generated a lot

Re: [Gimp-developer] Gimp-git compile error on Mac OSX

2015-09-06 Thread Michael Henning
Should be fixed, thanks. :) commit dbe598275366a92c2b4d32e376f75cee110d4047 Author: Michael Henning Date: Sun Sep 6 19:43:25 2015 -0400 app: Always return a value from results_list_on_key_press_event On Sun, Sep 6, 2015 at 6:55 PM, Partha Bagchi <parth...@gmail.com> wrote: > La

Re: [Gimp-developer] Brush + Paint Dynamic - performance problems and comparison between 2.9 and 2.8.14.

2015-09-05 Thread Michael Henning
Does this issue clear up if you disable the rulers (by unchecking View -> Show Rulers)? If so, it's probably my fault. From, drawoc On Fri, Sep 4, 2015 at 8:55 PM, Americo Gobbo wrote: > On Fri, Sep 4, 2015 at 9:45 PM, Americo Gobbo > wrote: >

Re: [Gimp-developer] [Gimp-user] Time to fork BABL and GEGL

2014-11-18 Thread Michael Henning
On Mon, Nov 17, 2014 at 11:39 PM, Gez lis...@ohweb.com.ar wrote: P.s.: If you think this discussion is a waste of your time and my time, feel free to skip an answer. I don't think it's a waste of time at all, it's developer/user interaction regarding important aspects of the tool. Do you

Re: [Gimp-developer] [Gimp-user] Time to fork BABL and GEGL

2014-11-17 Thread Michael Henning
On Mon, Nov 17, 2014 at 8:48 PM, Gez lis...@ohweb.com.ar wrote: If chromaticity independent RGB operations request for bablRGB or userRGB doesn't seem a mere implementation detail. I think it's a valid question to ask why requesting for bablRGB when the mechanism for userRGB will be available.

Re: [Gimp-developer] GSoC 2012 and 2013 projects update

2014-10-28 Thread Michael Henning
Quick correction: The n-point deformation hasn't been merged yet. It's close, but the gegl api still needs some review and potentially some cleanup before merge. -- drawoc On Tue, Oct 28, 2014 at 4:26 AM, Alexandre Prokoudine alexandre.prokoud...@gmail.com wrote: 28 окт. 2014 г. 11:16

Re: [Gimp-developer] Artifacts after scaling, rotation... in 2.9 git

2014-10-28 Thread Michael Henning
I can reproduce this problem. I'm going to guess that the issue is that the nohalo code is interacting badly with the sampler caching code in gegl, which has been rewritten since the nohalo code was originally written. Someone should probably look into that. -- drawoc On Mon, Oct 27, 2014 at

Re: [Gimp-developer] Don't make an architectural mistake based on a groundless premise

2014-10-09 Thread Michael Henning
not totally clear on this point. Are you saying that it produces incorrect results for sRGB, or that it produces incorrect results for different color spaces? I'm not too familiar with this part of the code. Thanks for the input. From, Michael Henning

Re: [Gimp-developer] Don't make an architectural mistake based on a groundless premise

2014-10-09 Thread Michael Henning
On Thu, Oct 9, 2014 at 7:22 PM, Elle Stone ellest...@ninedegreesbelow.com wrote: My assumption was that sRGB as PCS only made sense in the context of using unbounded sRGB as a universal working space. If sRGB as PCS means that unbounded linear gamma sRGB is used to convert from RGB to XYZ to

Re: [Gimp-developer] OSX

2014-09-11 Thread Michael Henning
Gimp relies on the pkg-isocodes data files to generate the language list correctly. Patha: Please build and ship pkg-isocodes with your gimp binaries. That should fix this issue. Sources are available here: http://pkg-isocodes.alioth.debian.org/ If you already do ship pkg-isocodes (I didn't

Re: [Gimp-developer] Precision Conversion Dithering and Triangular wave gradient issues

2014-09-02 Thread Michael Henning
I tried playing around with the triangular wave gradients, and I can't make the second segfault happen. Do you think you could run gimp in gdb and generate a backtrace? Thanks. -- drawoc On Tue, Sep 2, 2014 at 11:54 AM, Elle Stone ellest...@ninedegreesbelow.com wrote: Precision Conversion

Re: [Gimp-developer] [Gimp-user] Correctly citing Gimp

2014-08-04 Thread Michael Henning
That's just following the way things are named in the code (CamelCase is used for class names, like GimpApplicator). That checkbox is only present for debugging the development version, and will certainly disappear before 2.10 is released. So, pretend that checkbox doesn't exist. -- drawoc On

Re: [Gimp-developer] Blend Tool UI

2014-06-29 Thread Michael Henning
mitch: The alt shortcut has always worked in my prototype. (You sound like you might not have been aware of this in your email.) I'm also not sure that the handle size should should necessarily be consistent with other tools. Gradients have only two endpoints, while paths or free selections can

Re: [Gimp-developer] Blend Tool UI

2014-06-24 Thread Michael Henning
...@mmiworks.net wrote: Michael Henning wrote: * I'd like to make the blend tool generally more interactive. By this, I mean that after the user has created a gradient, they will be presented with handles that they can use to modify the endpoints of the gradient before committing their changes

[Gimp-developer] Blend Tool UI

2014-06-22 Thread Michael Henning
I'd like to make some incremental improvements to the blend tool. On IRC, Alexandre suggested to get the UI team involved, so I'm looking for feedback/advice from the UI team. Here are my general plans: * I'd like to make the blend tool generally more interactive. By this, I mean that after the

Re: [Gimp-developer] compilation of git version on Mint 17 fails

2014-06-02 Thread Michael Henning
It sounds like you don't have a C++ compiler installed. Try installing the package g++: sudo apt-get install g++ Hope this helps. -- drawoc On Mon, Jun 2, 2014 at 1:35 PM, Alexander Rabtchevich alexander.v.rabtchev...@gmx.net wrote: Hello Trying to compile gegl on the newest Mint linux

Re: [Gimp-developer] urgent

2014-05-31 Thread Michael Henning
On Sat, May 31, 2014 at 11:06 AM, C R caj...@gmail.com wrote: Some off list concern was raised about the GPL being primarily applied to restrictions for selling and redistributing the GIMP software, however, the GPL v3 does speak about program output as well: *2. Basic Permissions.* All

Re: [Gimp-developer] Wee reminder about Gaelic in 2.10

2014-05-18 Thread Michael Henning
Don't worry. Gaelic is already available in the UI in the development branch of 2.8. Here's a screenshot: http://i.imgur.com/LT64AtO.png -- drawoc On Sun, May 18, 2014 at 8:06 AM, Michael Bauer f...@akerbeltz.org wrote: Hiya I don't know how the plans for 2.8.12 are progressing but I just

Re: [Gimp-developer] Some blend modes break in unbounded mode sRGB

2014-04-13 Thread Michael Henning
You are correct in the sense that *right now*, most of the babl color spaces are based on the sRGB chromaticities. There is nothing preventing us from adding different color spaces in the future, including ProPhoto RGB. And if the operation is better done in in some other color space *model*,

Re: [Gimp-developer] Three questions about opening an image and converting it to linear light RGB

2014-04-02 Thread Michael Henning
The following is the planned color workflow, as I understand it. On Wed, Apr 2, 2014 at 9:31 AM, Elle Stone ellest...@ninedegreesbelow.com wrote: Please bear with me while I ask some questions. I'm trying to clarify something that I might be completely confused about. The point of the first

Re: [Gimp-developer] Two questions about updating GIMP from git

2014-03-11 Thread Michael Henning
Here are two scripts that I use to help keep git up to date. The first updates my git checkouts, and the second cleans out any build files (which is useful to run from time to time). They require $SRC_DIR to be set to the directory that your babl/gegl/gimp checkouts are under, and $INSTALL_PREFIX

Re: [Gimp-developer] Enlarge image canvas with gimp_image_resize procedure

2014-02-27 Thread Michael Henning
Are you also growing the layer boundaries? If you grow the canvas, but not the layer boundaries, you won't be able to draw on the new canvas area. -- drawoc On Thu, Feb 27, 2014 at 4:53 AM, Alessandro Francesconi alessandrofrancesc...@live.it wrote: I need to enlarge the area of an image

Re: [Gimp-developer] Search Action dialog feature

2014-01-19 Thread Michael Henning
My version of what it is: Action Search (aka TITO) is valuable to gimp users because it provides easy access to moderately used features of the gimp without memorization of the gimp's menu layout or keyboard shortcuts. Even experienced power users won't know (shouldn't be forced to memorize)

Re: [Gimp-developer] Gimp from git Gegl Gaussian Blur and Unsharp Mask useability issues

2013-12-05 Thread Michael Henning
As a quick correction, gegl's gaussian blur doesn't operate in scRGB, but rather in babl's linear premultiplied sRGB-primary space (RaGaBaA float). babl doesn't really have scRGB formats, although some of the formats resemble some of the scRGB formats. On Thu, Dec 5, 2013 at 2:08 PM, Teo Mazars

Re: [Gimp-developer] N-Point Image Deformation queries

2013-12-01 Thread Michael Henning
Sure, starting from npd-squashed would be fine. I suppose the gegl sampling functions might be a bit slow for the preview. On the other hand, they have had a fair amount of optimization work done on them, so you might find that they're actually faster. Actually trying them out is probably a good

Re: [Gimp-developer] Setting Up a Release Procedure

2013-11-30 Thread Michael Henning
This wasn't a Mavericks bug; it can happen on linux too. For some reason, this only triggered on clang. Anyway, I just fixed it in gimp git (see commit 95becc7615c7e9cf2f6135c8d5b0fe1cca86648f). So, this will be fixed for the next release. -- drawoc On Sat, Nov 30, 2013 at 9:26 AM, Maurizio

Re: [Gimp-developer] N-Point Image Deformation queries

2013-11-19 Thread Michael Henning
Hello, We somewhat assumed that you weren't here, because we couldn't easily get a hold of you. Apparently, we didn't try hard enough. Thanks for sticking around. Anyway, I began reviewing your code. I made some changes to it to try and make it a bit cleaner, so we could merge it into the main

[Gimp-developer] Fwd: GIMP Icons

2013-11-14 Thread Michael Henning
This was replied to just me, so I'm forwarding it to the entire list. -- Forwarded message -- From: Andrew Pullins android2...@gmail.com Date: Thu, Nov 14, 2013 at 2:15 AM Subject: Re: [Gimp-developer] GIMP Icons To: Michael Henning dra...@darkrefraction.com You have

Re: [Gimp-developer] My plugin doesn't start anymore after upgrading mingw/gcc suite

2013-10-06 Thread Michael Henning
It's hard to help you without any additional information. I would suggest that you grab mingw's gdb and try debugging the plugin with that. You can try these instructions: https://git.gnome.org/browse/gimp/tree/devel-docs/debug-plug-ins.txt I forget if they work on windows. Anyway, good luck! On

Re: [Gimp-developer] Adapted and unadapted sRGB luminance values

2013-09-29 Thread Michael Henning
Sorry for the delay in replying; I wanted to take the time to properly look at everything you've said. Yes, Elle, you're right. I take what I said back; we should be using the adapted values. If anyone is still doubting this, you can try playing around with this demo program I created:

Re: [Gimp-developer] List of dependencies (versions and configuration options) for GIMP on Windows

2013-09-22 Thread Michael Henning
As much fun as I'm sure you're all having debugging this, I think I've seen this before. I already fixed this with my windows nightlies (actually, scl reported it, so I guess he forgot about that). There are two potential issues: 1. fontconfig includes an absolute path to its config directory,

Re: [Gimp-developer] Adapted and unadapted sRGB luminance values

2013-09-22 Thread Michael Henning
I hope you don't mind; I reordered parts of your email when responding to it. Isn't the second (adapted) transform going to give us a D50 Y instead of a D65 Y? Yes, it will, and that's precisely what you want if you want to correctly calculate an sRGB image's Luminance values from its RGB

Re: [Gimp-developer] gimp: gtk3-port

2013-09-21 Thread Michael Henning
Yes, gtk3-port is being actively developed; it just sometimes lags behind the main development branch by a little bit. Anyway, this issue should now be fixed. On Sat, Sep 21, 2013 at 7:48 AM, podhorsky.ksj podhorsky@gmail.com wrote: Hello, I build gimp from branch gtk3-port, but now it

Re: [Gimp-developer] Adapted and unadapted sRGB luminance values

2013-09-21 Thread Michael Henning
Both babl's RGB format and Y format are currently defined with a white point of D65. Because of this, I believe the code's current luminance values are correct. Out of curiosity, how did you determine the Y values from the code in gegl/operations/external/lcms-from-profile.c ? If you're somehow

Re: [Gimp-developer] Adapted and unadapted sRGB luminance values

2013-09-21 Thread Michael Henning
* D65 Green + 0.060621 * D65 Blue Isn't the second (adapted) transform going to give us a D50 Y instead of a D65 Y? On Sat, Sep 21, 2013 at 8:21 PM, Elle Stone l.elle.st...@gmail.com wrote: On 9/21/13, Michael Henning dra...@darkrefraction.com wrote: Both babl's RGB format and Y format

Re: [Gimp-developer] TIFF Deflate compression method writes proprietary/deprecated tag to file

2013-09-20 Thread Michael Henning
Fixed in master and 2.8. Thank you for reporting this. commit cd4d5e6d32169e0d642010b992ad401244db354d Author: Michael Henning Date: Fri Sep 20 19:05:18 2013 -0400 plug-ins: Use the standardized value for deflate compression in tiff-save. Ironically, the standardized value is called

Re: [Gimp-developer] refactor palette loading code

2013-09-17 Thread Michael Henning
wt: Your new patch looks good, so I committed it. Thanks! As a side note, I modified the message slightly. We normally include the general area of the commit (often the top level directory) as a prefix to the commit message. Also, I removed the signed off by line because we don't really use that.

Re: [Gimp-developer] Nightly Build of GIMP

2013-09-11 Thread Michael Henning
Jehan: These are my nightly builds. I build all of gimp's dependencies every night from source. Right now I use cairo 1.12.14, and libpng 1.6.3. All of the build options can be found around here: https://git.gnome.org/browse/gimp/tree/build/windows/jhbuild/build.jhbuildrc#n133 This definitely

Re: [Gimp-developer] Mac Gimp from git - App crash: Error (1007) creating CGSWindow

2013-08-25 Thread Michael Henning
I don't think we've seen this before. So, bugreport please! On Sun, Aug 25, 2013 at 6:27 PM, Partha Bagchi parth...@gmail.com wrote: Gimp 2.9 built from git on Mountain Lion to support Snow Leopard and above. When working with large tiffs, I am getting an app crash with the following: Error

Re: [Gimp-developer] GIMP 2.9.1 show every image as a transparent layer.

2013-08-10 Thread Michael Henning
Grab the latest version of gegl from git, then recompile and reinstall gegl. You should continuously update your gegl and babl versions as you update gimp. Otherwise, you can run into issues like this. On Sat, Aug 10, 2013 at 1:59 PM, Hains van den Bosch hvdbo...@cybercomm.nl wrote: Hello, I

Re: [Gimp-developer] pygtk automake problem

2013-08-04 Thread Michael Henning
Line 204 of autogen.sh should look like this: 1.8*) automake_progs=automake-1.8 automake-1.9 automake-1.10 automake-1.11 ;; Add your version of automake to the end, like this: 1.8*) automake_progs=automake-1.8 automake-1.9 automake-1.10 automake-1.11 automake-1.12 ;; That should compile

Re: [Gimp-developer] Gimp git error?

2013-08-04 Thread Michael Henning
? Is it even necessary? Thanks, Partha On Sat, Aug 3, 2013 at 1:52 PM, Michael Henning dra...@darkrefraction.com wrote: The change in the gimp that caused this is that we now check to make sure you have certain required gegl ops installed. We did not do this until recently, so it's possible

Re: [Gimp-developer] Gimp git error?

2013-08-04 Thread Michael Henning
Quick correction: put the breakpoint on g_log, not g_warning. g_warning is actually a #define. On Sun, Aug 4, 2013 at 12:32 PM, Michael Henning dra...@darkrefraction.com wrote: Well, you could open up app/sanity.c and comment out the line that says gegl:seamless-clone, to disable the check

Re: [Gimp-developer] Gimp git error?

2013-08-04 Thread Michael Henning
it on a pastebin. Thanks. On Sun, Aug 4, 2013 at 1:20 PM, Michael Henning dra...@darkrefraction.com wrote: Quick correction: put the breakpoint on g_log, not g_warning. g_warning is actually a #define. On Sun, Aug 4, 2013 at 12:32 PM, Michael Henning dra...@darkrefraction.com wrote: Well, you could

Re: [Gimp-developer] pygtk automake problem

2013-08-04 Thread Michael Henning
It should install into pygtk/2.0; that is normal. The 2.0 indicates that it is API/ABI compatible with pygtk 2.0. As long as there are no backwards-incompatible changes, the directory remains 2.0, even for version 2.4. Are you on linux? If you are, then the only things you should really need to

Re: [Gimp-developer] Gimp git error?

2013-08-04 Thread Michael Henning
:37 PM, Michael Henning dra...@darkrefraction.com wrote: Let me clarify. After you start gdb, but before starting GIMP, type: break g_log set logging on run Then, whenever gdb stops the program (may happen a few times), type: bt full continue Once the dialog box appears, close

Re: [Gimp-developer] Gimp git error?

2013-08-03 Thread Michael Henning
The change in the gimp that caused this is that we now check to make sure you have certain required gegl ops installed. We did not do this until recently, so it's possible the seamless clone op was broken on your machine for a while, and we just caught it. I don't really know why your seamless

Re: [Gimp-developer] gegl and spiro

2013-07-27 Thread Michael Henning
Currently, there is (almost) no benefit. Building gegl with spiro support allows XML compositions to use spiro curves when input on the gegl command line. I'm not entirely sure that works as I've never used it, and I have a feeling nobody else has used it in a long time. The spiro curves support

Re: [Gimp-developer] OSX Performance (screen redraw)

2013-07-12 Thread Michael Henning
The warning that said 'Geglconfig has no property named 'cache-size'. isn't related. That's just there because of the version of gegl in use by the builds. Because 2.8 doesn't use gegl for most operations, that wouldn't cause your issue. Sorry, I don't know what's causing this. -- drawoc On

Re: [Gimp-developer] The new linear and gamma precision choices

2013-07-07 Thread Michael Henning
Elle: Things are confusing now because the code isn't finished. A lot of things will change before 2.10 is released. Rest assured, we won't keep everything this way. On Sun, Jul 7, 2013 at 5:23 PM, Elle Stone l.elle.st...@gmail.com wrote: Gimp from git allows the user to choose which image

Re: [Gimp-developer] Test some file plug-ins in master branch

2013-05-25 Thread Michael Henning
The premultiplied alpha issue should now also be fixed. On Fri, May 24, 2013 at 10:10 PM, Michael Henning dra...@darkrefraction.com wrote: Elle: I think I just fixed the two issues you mentioned (exporting with layers and importing grayscale tiffs). Could you grab the latest code and test

Re: [Gimp-developer] Test some file plug-ins in master branch

2013-05-24 Thread Michael Henning
Elle: I think I just fixed the two issues you mentioned (exporting with layers and importing grayscale tiffs). Could you grab the latest code and test those again, to confirm that they're fixed? (Note that there's an additional problem related to importing with premultiplied alpha that I'll

Re: [Gimp-developer] Featuring GIMP in the AMD Application Showcase

2013-04-18 Thread Michael Henning
There are a few issues with our listing. First, we're listed twice. Like Alexandre said, the second listing has an incorrect version number. Also, the link is broken on the second entry's learn more button. The first listing seems more accurate, so you may just want to delete the second listing.

Re: [Gimp-developer] how can i write gegl plugin ? or http://developer.gimp.org too old

2013-02-12 Thread Michael Henning
In addition to what Alexandre suggested, take a look at plug-ins/common/goat-exercise.c It's a simple example of how to use gegl from within a gimp plugin. Also, a lot of the new functions do have some reference documentation, which I think can be built if you pass --enable-gtk-doc to autogen.

Re: [Gimp-developer] Cairo Issue

2013-02-08 Thread Michael Henning
I think this is a cairo bug. I filed a bugreport on their bugtracker: https://bugs.freedesktop.org/show_bug.cgi?id=60519 -- drawoc On Wed, Feb 6, 2013 at 8:51 PM, Partha Bagchi parth...@gmail.com wrote: A new issue seems to have cropped up. Now I get the following error: This is a

Re: [Gimp-developer] cairo 1.12.10-1 not working with GIMP 2.8 or 2.9

2013-01-22 Thread Michael Henning
I think this is a cairo bug, not a gimp bug. It looks like the cairo people have already bisected the commit, so a fix should likely appear soon. phani's thread is here: http://lists.cairographics.org/archives/cairo/2013-January/023959.html I can reproduce the problem, btw. (I'm also on arch

Re: [Gimp-developer] lcms high bit depth update: now that it works, adding and improving functionality

2013-01-13 Thread Michael Henning
You misunderstood my idea. I don't want babl to get specific conversions for different ICC profiles; I want a generic mechanism to take any ICC profile and turn it into a babl format. Øyvind indicated that this is similar to how indexed formats already work (take a palette and turn it into a babl

Re: [Gimp-developer] Gimp gitsource Gimpcolorwheel.c

2013-01-06 Thread Michael Henning
You probably recently got an automake upgrade. This causes make to ignore all changes to *.am files, and print a tiny warning at the top of its output that nobody notices or reads. Do git clean -xdf, then reconfigure + make, and all should be okay. -- drawoc On Sun, Jan 6, 2013 at 3:40 PM,

Re: [Gimp-developer] Exposure Operation

2012-12-18 Thread Michael Henning
This looks good. The meta-op isn't really the right way to do things like this, so feel free to trash that. As for the point filter, you should make a git commit, and then use git format-patch to make a patch. Then, you can get your patch included in GEGL by either bothering people on irc to

Re: [Gimp-developer] Development environment

2012-12-01 Thread Michael Henning
Q: What is the tool that you use for Gimp development (ex: Vim, Emacs, Eclipse, Netbeans, Anjuta, ...)? I use gedit and xterm, and then just alt-tab between them. All revision control for me is done on the command line. Sometimes I open up separate terminals for git-related stuff and for

Re: [Gimp-developer] lcms high bit depth update: now that it works, adding and improving functionality

2012-11-28 Thread Michael Henning
As mitch and I discussed on irc, as the plan stands right now, the GIMP won't have any working color profile. Going forward, AFAIK, the image-mode-assign/convert color profile menu entries should be removed from the lcms plugin, and everything automatically converted to srgb/R'G'B' on import. I

Re: [Gimp-developer] A letter of complaint

2012-07-24 Thread Michael Henning
On Mon, Jul 23, 2012 at 11:37 PM, Akira Tanaka artfoundr...@yahoo.com wrote: Sorry if I was a wee bit too harsh about GIMP. I was in a bad mood that morning. Yeah, I've heard a lot of horror stories about Windows ME. Never had the (dis)pleasure of using it but I suppose... Well, that's

Re: [Gimp-developer] A letter of complaint

2012-07-23 Thread Michael Henning
GIMP is, without a doubt, the most unreliable, poorly programmed, pathetic excuse for a software program ever conceived by a human being. I suppose you've never used Windows ME **shudder** Just typing the name brings back memories. I won't forget Windows ME. I'll never forget. Sometimes

Re: [Gimp-developer] gimp 2.8 prohibitively slow

2012-07-18 Thread Michael Henning
There are a few performance improvements to color management already - those will be available when 2.8.2 is released. Look here for more details: https://bugzilla.gnome.org/show_bug.cgi?id=645345 -- drawoc On Wed, Jul 18, 2012 at 12:30 PM, Vladimir Savic vladimir.firefly.sa...@gmail.com

Re: [Gimp-developer] Multiply blend mode in GIMP

2012-07-09 Thread Michael Henning
Each pixel component has a value somewhere between 0 and 255. When you multiply two together, it will have a value somewhere between 0 and 65,025 (255 squared). You need to divide by 255 so that maximum value gets scaled back down to 255 (If you simply clamp it, the majority of your pixels will be

Re: [Gimp-developer] (no subject)

2012-06-19 Thread Michael Henning
I can still reproduce this on latest master (5835a730a3eef3cee579c50b250bb8ba15b77d7c), using the images that are available for download at the bottom of that page. Strangely, if you open the 16 bit tiff, and choose not to convert it into the sRGB builtin colorspace, the image still displays with