[Lcms-user] Accessing Luts (fwd)

2003-02-04 Thread Kai-Uwe Behrmann
Hi Marti, I work on display stuff for an image manipulation programm under *nix/mac/win in C. I have to display there 8bit_int - 32bit_floats, so I hope the 16bit integers precission of lcms is a good joice for this task. I read Your documentation and the tutorial and remaining with an hole in my

Re: [Lcms-user] Are the types right here?

2003-02-05 Thread Kai-Uwe Behrmann
Sorry, now I read the TIFF-6.0 specification. For Lab - a and b can be + and -. That should explain what happend. For only little expierienced in CMM, like me, much to learn. ciao Kai-Uwe --- This SF.NET email is sponsored by: SourceForge

Re: [Lcms-user] lcms-1.11 final is out and some news

2003-09-10 Thread Kai-Uwe Behrmann
Hi, lcms-1.11 compiles with gcc-3.2.3 and glibc-2.3.2 under linux. Nearly all files are set executeable in the tar.gz . I attach an ls of the tar. thanks Kai-Uwe Behrmann Am 09.09.03, 10:23 +0200 schrieb Marti Maria: Dear lcms users Due a recent Job shift I have been very busy lately, so

[Tiff] [Lcms-user] Lab tiff with alpha

2003-09-24 Thread Kai-Uwe Behrmann
for CIE Lab? - as unassociated alpha? I know this matter is far away from dayly used RGB, but Lab is requested more and more, and I want to produce exchangeable files. thanks Kai-Uwe Behrmann --- This sf.net email is sponsored by:ThinkGeek

[CinePaint-dev] [Lcms-user] [Gimp-print-devel] print - screenshots

2003-11-11 Thread Kai-Uwe Behrmann
-in, Marti Maria for his easy to work with CMS library and the many options, which I want furthermore to explore, Robin Rowe for its constant interesst in CMS and the openess of cinepaints development and William D. Tallman, for his patiance in testing and bugfinding. Kai-Uwe Behrmann

Re: [Lcms-user] ver 1.12 release candidate

2003-12-04 Thread Kai-Uwe Behrmann
Marti, Am 03.12.03, 16:35 +0100 schrieb Marti Maria: I've managed to set correct permissions. Seems latest versions of Cygwin does support atributtes too. So, many thanks for point this out. Thanks for changing this. Regarding floating point, I really appreciate any contribution. But I'm

[Lcms-user] standard matrices

2004-02-05 Thread Kai-Uwe Behrmann
Hi, I like to do optimized standard transformations outside lcms. Are the conversions between PCS XYZ - Lab and from PCS - sRGB matrix based? So it would be simple to do the math in the application. Is this approach possible? If yes, where can I find these matrixes? Are they publically

[Lcms-user] request for more convenience functions

2004-03-12 Thread Kai-Uwe Behrmann
Marti, ICC2LCMS is used as well outside tifficc.c . (I have accidentialy createt my own version in cinepaint.) Can You put in one of the next releases the reverse of LCMSAPI icColorSpaceSignature LCMSEXPORT _cmsICCcolorSpace(int OurNotation); Maybe calling the reverse _cmsLcmsColorSpace . As

Re: [Lcms-user] embedding linearisation for calibration

2004-03-13 Thread Kai-Uwe Behrmann
Hi, thanks. Your snippet brings me a step further. Everything is now visible. -- Kai-Uwe Am 13.03.04, 15:27 +0100 schrieb Marti Maria: There is a small mistake here. cmsReadICCLut is supposed to return a LUT structure, which is not a gamma table. Try this: LPLUT Lut = cmsReadICCLut(

Re: [Lcms-user] Eye One once more

2004-03-15 Thread Kai-Uwe Behrmann
Am 15.03.04, 15:17 - schrieb John Cupitt: Hi Kai-Uwe, Kai-Uwe Behrmann wrote: I read the Eye One color measurement device can been used for device calibration. Did somebody us it to measure real world colors and intensities? Is it useable for reflective measuring like paintings

Re: [Lcms-user] lcms not working properly

2004-04-06 Thread Kai-Uwe Behrmann
Usually the scribus icc folder is not related to lcms. Scribus uses lcms as library. So lcms has no control over file locations. Better You post to the scribus mailing list to get out theyre correct icc path. To detect available profiles for any application is not yet implemented for linux.

Re: [Lcms-user] A preview of the incoming lcms-1.13 is on site

2004-04-13 Thread Kai-Uwe Behrmann
Hi, thanks for the copyright tag now interfaced. Additionaly I would like to customize the whitepoint tag description on my own. Marti, can You therefore please remove the Whitepoint: string in _cmsIdentifyWhitePoint for the next release? The new integer routines seems to have problems with

Re: [Lcms-user] Precompiled binaries for Windows and Mac on 1.13 available on site

2004-04-21 Thread Kai-Uwe Behrmann
Marti, I found something in my own app. 1.12 seems to be more tollerant with my bug. CHANNELS_SH(3) EXTRA_SH(1) causes my problem with 8-bit CMYKs. For 16-bit lcms let it pass. So I was irritated and thought it has something to do with the profile. Anyway, setting CHANNELS_SH(4) EXTRA_SH(0) is

Re: [Lcms-user] Camera icc profile

2004-05-11 Thread Kai-Uwe Behrmann
Am 11.05.04, 17:04 +0800 schrieb [EMAIL PROTECTED]: What are Your experiences with camera calibration? The procedure to generate ICC profile for both scanner and DSC should be same, but the problem is scanner use fixed illuminant, DSC may change illuminants, that means you can generate lot

Re: [Lcms-user] ICC workflow in Linux

2004-05-25 Thread Kai-Uwe Behrmann
Am 24.05.04, 10:58 -0700 schrieb Troy Wu: Unfortunately, being able to measure output values only solves half the problem. For a full color-correction workflow, I need to be able to soft-proof, which requires that my monitor is profiled and calibrated. To do so requires a colorimeter--or

Re: [Lcms-user] ICC workflow in Linux

2004-05-26 Thread Kai-Uwe Behrmann
color management. Responsible software should add if this is the users intention. CRTs. Applications should always allow the user to explicitly specify the input color space to use. thanks for sharing Your thoughts Kai-Uwe Behrmann

Re: [Lcms-user] ICC workflow in Linux

2004-05-26 Thread Kai-Uwe Behrmann
Am 26.05.04, 18:11 +0200 schrieb Gerhard Fuernkranz: I guess it's a very similar situation as with Windows GDI printers. The manufacturers attempt to make the instrument as dumb as possible and to do the more complicated computations in software on the host, since this makes the devices

[Lcms-user] Lab color space for reflective media

2004-06-06 Thread Kai-Uwe Behrmann
Hi, as far as I understand CIE*Lab is an way to describe colors, which may or may not be physically existent. My question is which is the colorspacebody of physically ideal refrective media? What is the belonging gamut of Lab? Is it possible to shrink such an colorspacebody to an special

Re: [Lcms-user] lcms on Mac OS X

2004-07-01 Thread Kai-Uwe Behrmann
Hi Peter, I am not very firm with static linking, but could it be You need to feed -llcms intead of -lcms to the linker? Hope this helps Kai-Uwe Behrmann Am 01.07.04, 15:27 +0800 schrieb Peter: Hello Marti, I have compile lcms v1.1.3 on Mac OS X (10.3.4 + Dev Tools 1.1), and it works

Re: [Lcms-user] LCMS profiler (beta3) - problem with profiling RAWs from EOS300D

2004-07-01 Thread Kai-Uwe Behrmann
. The target I used was the C1 from Wolf Faust. Look at www.coloraid.de for more information. It is an A4 non glossy IT8. regards Kai-Uwe Behrmann Am 01.07.04, 13:30 +0200 schrieb Mikolaj Tutak: Hi! I shot some Kodak Color taget with my EOS 300D, then I converted RAW's into 48bpp TIFF's. Here is small

Re: [Lcms-user] Lab color space for reflective media

2004-07-01 Thread Kai-Uwe Behrmann
-profile. :-) Jan-Peter Kai-Uwe Behrmann wrote: as far as I understand CIE*Lab is an way to describe colors, which may or may not be physically existent. My question is which is the colorspacebody of physically ideal refrective media? What is the belonging gamut of Lab

Re: [Lcms-user] lcms on Mac OS X

2004-07-02 Thread Kai-Uwe Behrmann
PM, Kai-Uwe Behrmann wrote: Hi Peter, I am not very firm with static linking, but could it be You need to feed -llcms intead of -lcms to the linker? Hope this helps Kai-Uwe Behrmann Am 01.07.04, 15:27 +0800 schrieb Peter: Hello Marti, I have compile lcms v1.1.3 on Mac

[Lcms-user] chrm tag

2004-08-04 Thread Kai-Uwe Behrmann
Hi, what is the purpouse of the chrm - chromaticityType encoding tag? I found it in several profiles created by lcms profilers. Arent the [r,g,b,k]XYZ tags allready enough? Marti, I am unshure with the above tag. I read the number of device channels and the encoded phosphors as uint16Numbers (2

[Lcms-user] incorrect memory access

2004-08-10 Thread Kai-Uwe Behrmann
of this, but they are not that convenient. kind regards Kai-Uwe Behrmann + imaging developer / panoramas + color management + email: [EMAIL PROTECTED] --- SF.Net email is sponsored

Re: [Lcms-user] incorrect memory access

2004-08-10 Thread Kai-Uwe Behrmann
. Kai-Uwe Behrmann [EMAIL PROTECTED] said: Hi, while valgrind-ing in CinePaint, I have many messages about memory access errors. - Valgrind is the memory debugger of the KDE project and others. Anyway I dont know how to observe an certain memory block for read/write access. Hints

[Lcms-user] CIE2000

2004-08-26 Thread Kai-Uwe Behrmann
the result? regards Kai-Uwe Behrmann + imaging development / panoramas + color management + email :[EMAIL PROTECTED] --- SF.Net email is sponsored

[Lcms-user] Feature wish

2004-08-31 Thread Kai-Uwe Behrmann
Marti, I've obtained cgats measurement data with spectral nmxxx (Nanometer) content in BEGIN_DATA_FORMAT / END_DATA_FORMAT scope. Can You please make arbitrary DATA_FORMAT identifiers visible in lcms? It would help me with this content. thanks Kai-Uwe Behrmann

Re: [Lcms-user] monitor calibration loader for Linux

2004-09-06 Thread Kai-Uwe Behrmann
___ Lcms-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/lcms-user Mit freundlichen Grüßen Kai-Uwe Behrmann + Bildprogrammierung / Panoramen + Farbmanagement

[Lcms-user] over white color clipping

2004-09-09 Thread Kai-Uwe Behrmann
Hi, while brightening HDRs I see often the coloured halos arround the sun, clouds and other bright regions. I understand that an simple clipping of one channel befor the maximum of all other channels is reached causes such hue shifts. Only I thought lcms is able to do an hue preserving clip.

Re: [Lcms-user] over white color clipping

2004-09-09 Thread Kai-Uwe Behrmann
for CinePaint and any other profile handling HDR application. regards Kai-Uwe Behrmann + imaging development / panoramas + color management + email :[EMAIL PROTECTED

Re: [Lcms-user] over white color clipping

2004-09-16 Thread Kai-Uwe Behrmann
in CinePaint without beeing afraid to get lost of 1.0 values ;) regards Kai-Uwe Behrmann + imaging development / panoramas + color management + email :[EMAIL PROTECTED

Re: [Lcms-user] over white color clipping

2004-09-17 Thread Kai-Uwe Behrmann
Am 17.09.04, 02:26 +0200 schrieb Gerhard Fuernkranz: Kai-Uwe Behrmann schrieb: agree. Only an example: the SGILOGLUV encoding in the TIFF spec is XYZ. I simply like to handle these images as XYZ in floating point color space, and see them through the correct monitor profile on screen

Re: [Lcms-user] over white color clipping

2004-09-19 Thread Kai-Uwe Behrmann
Kai-Uwe Behrmann + Bildprogrammierung / Panoramen + Farbmanagement + email: [EMAIL PROTECTED] --- This SF.Net email is sponsored by: YOU BE THE JUDGE

Re: [Lcms-user] over white color clipping

2004-09-20 Thread Kai-Uwe Behrmann
pass to cmsCreateTransform() ? cmsFLAGS_NOTPRECALC? cmsFLAGS_HIGHRESPRECALC? Precalculated device links are not too accurate for a XYZ or linear RGB space. cmsFLAGS_NOTPRECALC will give the best result, but is slower. See atachment. Best Regards, Gerhard Kai-Uwe Behrmann schrieb

[Lcms-user] Linux CMS

2004-10-25 Thread Kai-Uwe Behrmann
Scribus, GraphicsMagic and the others. I come soon in need to interoperate with different applications. managing default profiles, paths, using starter scripts ... kind regards Kai-Uwe Behrmann + imaging development / panoramas + color

[Lcms-user] tifficc, chromatic tags and gray gamma

2004-11-01 Thread Kai-Uwe Behrmann
of the input profile has gamma = 1.0 . regards Kai-Uwe Behrmann + imaging development / panoramas + color management + email :[EMAIL PROTECTED

Re: [Lcms-user] tifficc, chromatic tags and gray gamma

2004-11-02 Thread Kai-Uwe Behrmann
Am 02.11.04, 13:46 - schrieb [EMAIL PROTECTED]: Kai-Uwe Behrmann [EMAIL PROTECTED] said: Marti, You suggest to use tiff tags (whitepoint, primary chromaticies, ...) to obtain sufficient data for on-the-fly profile creation. Are there reasons not to support it in tifficc? My

[Lcms-user] Re: [Tiff] N TIFFTAG_TRANSFERFUNCTION

2004-11-04 Thread Kai-Uwe Behrmann
Ross, thanks for pointing out this behaviour. I will change this in my code. This message may be helpfull to the lcms list too. Therefore I crosspost. As about libtiff fax coding I must pass. I am coming from the float side, working on HDR imagery. kind regards Kai-Uwe Behrmann

[Lcms-user] iccjpeg.h/c

2004-11-22 Thread Kai-Uwe Behrmann
Hi, lcms includes the above mentioned files for the iccjpeg utility. I like to give credits to the author(s) while using it. Who is the original author and did You, Marti, bring modifications in, so I should put Your name somewhere too. regards Kai-Uwe Behrmann

Re: [Lcms-user] Beginner's questions

2004-12-13 Thread Kai-Uwe Behrmann
Am 14.12.04, 09:49 +0100 schrieb Boudewijn Rempt: I've been experimenting, and I definitely need to cache at least some transforms. It turns out to be prohibitively slow to recreate the transform to the monitor profile for every display action, for instance. Can You describe the display

[Lcms-user] ICC CMM wrapper

2004-12-14 Thread Kai-Uwe Behrmann
knowledge is mostly helpful doing it right from the beginning. kind regards Kai-Uwe Behrmann + imaging development / panoramas + color management + email: [EMAIL PROTECTED] + CMS

Re: [Lcms-user] Beginner's questions

2004-12-16 Thread Kai-Uwe Behrmann
the same memory across applications and save space. Is taking the profile id's of both involved profiles plus creation options sufficent? regards Kai-Uwe Behrmann + imaging development / panoramas + color management

Re: [Lcms-user] Beginner's questions

2004-12-16 Thread Kai-Uwe Behrmann
: On Mon, 13 Dec 2004, Kai-Uwe Behrmann wrote: The offsets can easily been exchanged through Oyranos, as well as the othe parameters influencing the transform. As an option the chache can been removed after switching the computer off. It is important to note that expecting a shared memory system

Re: [Lcms-user] A bit confused about profiles

2004-12-21 Thread Kai-Uwe Behrmann
;) -- Boudewijn Rempt | Geef mij maar zuurtjes. http://www.valdyas.org/fading/index.cgi Mit freundlichen Grüßen Kai-Uwe Behrmann + Bildprogrammierung / Panoramen + Farbmanagement + email: [EMAIL PROTECTED

Re: [Lcms-user] A bit confused about profiles

2004-12-21 Thread Kai-Uwe Behrmann
Grüßen Kai-Uwe Behrmann + Bildprogrammierung / Panoramen + Farbmanagement + email: [EMAIL PROTECTED] --- SF email is sponsored by - The IT Product

[Lcms-user] BOOL - LCMS_BOOL

2005-02-03 Thread Kai-Uwe Behrmann
will put such an type in the global namespace too. I know about the #define workaround You suggested. As it seems an repeated request I like to confirm. kind regards Kai-Uwe Behrmann + development for color management + imaging

Re: [Lcms-user] BOOL - LCMS_BOOL

2005-02-04 Thread Kai-Uwe Behrmann
: Hi, Kai-Uwe Behrmann said: As X is an large project, I prefere to ask You in the first place. Would You mind to rename the typedef BOOL in the lcms header? and Hans Leidekker said: It would also be nice if no editing is needed for the header to be useable on Windows and non-Windows

Re: [Lcms-user] CM for digital cameras

2005-02-07 Thread Kai-Uwe Behrmann
are not living that far away. The Linux-Bus will bring people from Berlin over Dresden to Chemnitz. For more reading about linux and colour management follow the link below. regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] RE: XYZ to Monitor RGB

2005-02-24 Thread Kai-Uwe Behrmann
you describe. The results are ok. dE is much better since I use cmsFLAGS_NOTPRECALC ;) regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED

Re: [Lcms-user] allocating a null LUT

2005-03-01 Thread Kai-Uwe Behrmann
Mike, an null 3D grid is not defined. It is legal by an CMM to reject because of this state. The null 3D grid profiles of lcms are for internal usage only. Better not to export or embed them. regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] Lab profiles and PDF data

2005-04-26 Thread Kai-Uwe Behrmann
be found in the tifficc command line util, which is provided with the lcms library. You can look at the sources. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email

Re: [Lcms-user] Embed Profiles in TIFF / GIF files

2005-04-28 Thread Kai-Uwe Behrmann
the (scanner/camera) image. Where should we actually do embeddeding of Profiles into such files ??? Kindly clear my doubts. Look at the lcms file tools for examples. Thanks and regards, Karthik bala guru regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] Value range for BCHSWabstractProfile

2005-05-13 Thread Kai-Uwe Behrmann
Hi, Additionally attched a view at the *b channel of the generated CLUT. Hue and Saturation where changed. Maybe this explains the funny results? Brightness and Contrast works more explainable to me. regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] Colour clipping

2005-05-22 Thread Kai-Uwe Behrmann
possible. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED] + http://www.behrmann.name

Re: [Lcms-user] Colour clipping

2005-05-22 Thread Kai-Uwe Behrmann
for v4 tables only. Maybe I give it a try. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED] + http

Re: [Lcms-user] Colour clipping

2005-05-22 Thread Kai-Uwe Behrmann
Am 22.05.05, 21:47 +0200 schrieb Gerhard Fuernkranz: Kai-Uwe Behrmann schrieb: white is encoded as 685 (not 255), and black as 95 (as you say). However, Yes you are right here as well as Bob with 685 not 255. these values seem to be only the default values, and my interpretation

Re: [Lcms-user] Colour clipping

2005-05-22 Thread Kai-Uwe Behrmann
digital backs I have seen except of the Spheron HDR scancamera. Slide film can nothing do about insufficient scanners. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas

Re: [Lcms-user] Colour clipping

2005-05-23 Thread Kai-Uwe Behrmann
Am 22.05.05, 23:11 +0200 schrieb Gerhard Fuernkranz: Kai-Uwe Behrmann schrieb: No problem to create the curves and the usual RGB clipping casts too. Soft clipping does not help. You mean, although this seems to be the standardized method for conversion from log encoding to video RGB

[Lcms-user] Lab-Lab spac conversion?

2005-05-25 Thread Kai-Uwe Behrmann
. Anyway with renaming the colour space from Lab to RGB the profile works. It is about Lindbloom's Uniform Perceptual Lab profile. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas

Re: [Lcms-user] Lab-Lab spac conversion?

2005-05-25 Thread Kai-Uwe Behrmann
profile deals with a tweaked Lab, so I wonder if the profile should be tagged as using Lab at all. That's not the Lab space all we are used. Well, that [L]*ab is somewhat rotated. Calling it internally RGB should be ok. thanks Kai-Uwe Behrmann + development

[Lcms-user] 2 Linux profile packages

2005-06-03 Thread Kai-Uwe Behrmann
in the oyranos_profiles_base package editing and then reusing under the same name is not allowed. You can download at: http://www.behrmann.name/index.php?option=com_contenttask=viewid=34Itemid=68 regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] Tool to embed profile in JPEG files

2005-06-10 Thread Kai-Uwe Behrmann
command line: use jpegicc coming with lcms gui: CinePaint www.cinepaint.org regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED

Re: [Lcms-user] changing brightness

2005-06-10 Thread Kai-Uwe Behrmann
Casper, best is to convert into a 16-bit depth Lab buffer, then correct and go back to whatever you need. You should then be done with nearly every colour space. regards Kai-Uwe Behrmann + development for color management

[Lcms-user] ICC Examin 0.36 Release

2005-08-30 Thread Kai-Uwe Behrmann
the later if you plan to use ICC Examin as colour viewer in CinePaint on osX. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED

Re: [Lcms-user] Profile Simulating Color Blindness

2005-09-07 Thread Kai-Uwe Behrmann
Marti, is it useful to place the matrix simply in the matrix part of a mft2 LUT? Perhaps this would suffice building a valid XYZ abstract profile? All other parts of the mft2 can be filled with defaults. regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] Profile Simulating Color Blindness

2005-09-07 Thread Kai-Uwe Behrmann
a matrix based display profile that simply converts to sRGB? The matrix one would be the prefered. Thanks to everyone for all the comments! Bernhard regards Kai-Uwe Behrmann + development for color management + imaging

[Lcms-user] ICC profiles - primaries

2005-10-03 Thread Kai-Uwe Behrmann
Hi, is there a example to get the real xy primaries from an given matrix profile, including white point adaption? regards Kai-Uwe Behrmann + development for color management + imaging / panoramas

Re: [Lcms-user] Questions on ICC profile

2005-10-06 Thread Kai-Uwe Behrmann
Pealow, you can look at the www.color.org site to get the ICC profile specification. It is a good starting point. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas

Re: [Lcms-user] ICC profiles - primaries

2005-10-11 Thread Kai-Uwe Behrmann
Marti, thanks for the hint. An other question comes to my mind: for the absolute intent you need to guess, when chrm or chad are absent? Or how does you find out the original primaries, which are lost during the Wtpt-D50 transformation? regards Kai-Uwe Behrmann

[Lcms-user] new ICC Examin release

2005-10-21 Thread Kai-Uwe Behrmann
Hello, ICC Examin, the profile tag viewer, is even more colourfull. It can be compiled with Oyranos support on Linux, or take the binaries, which are available as Linux RPMs and osX bundle/package including the needed libraries. regards Kai-Uwe Behrmann

Re: [Lcms-user] embedding internal profiles

2005-12-05 Thread Kai-Uwe Behrmann
. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED] + http://www.behrmann.name Am 05.12.05, 22:36 +0100 schrieb

[Lcms-user] cmyk conversion

2005-12-16 Thread Kai-Uwe Behrmann
would be welcome to be not that hard with the blackpreservation, allowing a soft transition from total blackpreservation to introduction of K colour where appropriate (for originally CMY only colours) - to preserve appearance. regards Kai-Uwe Behrmann + development

Re: [Lcms-user] local convergence problems?

2006-01-25 Thread Kai-Uwe Behrmann
-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED] + http://www.behrmann.name

Re: [Lcms-user] Severe newbie question

2006-01-26 Thread Kai-Uwe Behrmann
add -llcms to the command line. This links the lcms library with the missing function in: gcc -g -B/usr/local/include -L/path/to/lcms -llcms -o test1 test1.c Am 26.01.06, 11:26 - schrieb Dermot Paikkos: Hi, Sorry I think this is more a C question than an lcms question. I did post to

[Lcms-user] PT_Lab, doubles and alpha

2006-01-26 Thread Kai-Uwe Behrmann
Marti, I've got the impression that the above constellation results allways in black, but did not search in lcms for that. Could this be? regards Kai-Uwe Behrmann + development for color management + imaging / panoramas

Re: [Lcms-user] a question about proofing

2006-01-28 Thread Kai-Uwe Behrmann
simulation in PS. This would be nice to have in lcms in one step - using the proofing profiles media whitepoint with proofing intent INTENT_ABSOLUTE_COLORIMETRIC as described above. Anyway the results for printing are impressive. Many thanks to Marti. kind regards Kai-Uwe Behrmann

Re: [Lcms-user] alpha channels and 16-8 bit rgb transforms

2006-02-06 Thread Kai-Uwe Behrmann
in CinePaint. Louis Solomon www.SteelBytes.com regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED] + http

Re: [Lcms-user] a question about proofing

2006-02-16 Thread Kai-Uwe Behrmann
The proofing intent works as intented using media whitepoint for absolute colorimetric intent, other than I wrote in my previous mail. Lcms seems to behave correctly in this regard. Sorry for any confusion to others, caused by me. regards Kai-Uwe Behrmann

Re: [Lcms-user] Some questions about delta E calculation.

2006-02-22 Thread Kai-Uwe Behrmann
Andrea, the atan2deg looks ok to me. The result is here the same with ICC Examin. Lcms has a similiar function integrated (cmsCIE2000DeltaE). So you can look at various implementations sources. regards Kai-Uwe Behrmann + development for color management

[Lcms-user] Announce : Oyranos v0.1.5 + ICC Examin v0.40

2006-06-02 Thread Kai-Uwe Behrmann
o changed Behaviour and GUI API's o start BSD support o Solaris support o change build system o elekra-0.6 Changes in ICC Examin: o Xinerama monitor configuration / detection o better configure and operating system support, like above .. and not to forget: bugfixes. regards Kai-Uwe

Re: [Lcms-user] need advice on adding cms to an image viewer

2006-07-30 Thread Kai-Uwe Behrmann
Am 30.07.06, 15:50 -0500 schrieb Paul Miller: Kai-Uwe Behrmann wrote: Do I need to do a transform on LOAD to get the image into some common working space (like sRGB), then another transform at display time to integrate the desired output profile? If the image contains an ICC profile

Re: [Lcms-user] saving an embedded profile

2006-08-02 Thread Kai-Uwe Behrmann
seen?: http://sourceforge.net/mailarchive/forum.php?thread_id=2980494forum_id=1912 Am 02.08.06, 10:37 -0500 schrieb Paul Miller: What is the correct way to save a profile into a chunk of memory to be embedded in a saved image file? I see there is a _cmsSaveProfileToMem() but the docs say

Re: [Lcms-user] reading and writing jpeg ICC data

2006-08-05 Thread Kai-Uwe Behrmann
conversion by panotools might be overkill and or not appreciated. This is refered to panotools as middleware, unlike as for instance hugin or ptgui which should handle more things in order to do a propper colour management. regards Kai-Uwe Behrmann + development for color

[Lcms-user] fogra parsing

2006-09-10 Thread Kai-Uwe Behrmann
the names are correct. (Even though they are not beautiful.) kind regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED

[Lcms-user] 1.16b testing

2006-09-14 Thread Kai-Uwe Behrmann
language wrappers o +++ ? It would make sense to some traditional C programmers ;-) Thanks for consideration. kind regards Kai-Uwe Behrmann + development for color management + imaging / panoramas

[Lcms-user] mluc with errors

2006-09-25 Thread Kai-Uwe Behrmann
some errors with the mluc tag repeatedly occure. It is the reason for constant crashes if I have a certain profile in the paths. Sees someone else such problems? Attached is the valgrind output. regards Kai-Uwe Behrmann + development for color management

Re: [Lcms-user] softproof without proofing profile

2006-10-19 Thread Kai-Uwe Behrmann
Am 19.10.06, 20:41 +0200 schrieb Gerhard Fuernkranz: Kai-Uwe Behrmann wrote: Hello, found that CinePaint crashes on softproofing without proofing profile. Beside this strangeness in the gui, lcms should perform a gamut check without proofing profile? IMO a gamut check may also

[Lcms-user] USE_FLOAT in parallel?

2006-11-26 Thread Kai-Uwe Behrmann
the optimised versions for 8/16 bit conversion is still desired. regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED

Re: [Lcms-user] alpha blending in LAB space

2006-12-05 Thread Kai-Uwe Behrmann
stage should be ok, as all reandering is done before in your concept. So, whats the problem here? regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL

Re: [Lcms-user] alpha blending in LAB space

2006-12-05 Thread Kai-Uwe Behrmann
Possibly reducing the number of blending colour spaces is a solution. Blending of mixed colour space layers is not a consistent thing anyway. You could read the pdf spec how it was solved there. Chapter 7.2.3 in the pdf reference 1.6 for instance. regards Kai-Uwe Behrmann

[Lcms-user] ILM's CTL on SF

2006-12-15 Thread Kai-Uwe Behrmann
Dear readers, just for your information: The Color Transformation Language code was brought recently to SourceForge. Read more: http://www.behrmann.name/index.php?option=com_contenttask=viewid=64Itemid=92 regards Kai-Uwe Behrmann + development for color

Re: [Lcms-user] ILM's CTL on SF

2006-12-15 Thread Kai-Uwe Behrmann
Am 15.12.06, 08:53 -0800 schrieb darby johnston: --- Kai-Uwe Behrmann [EMAIL PROTECTED] wrote: just for your information: The Color Transformation Language code was brought recently to SourceForge. How does this compare to lcms? Is it complementary or a substitute

[Lcms-user] cmsSetLanguage

2007-01-14 Thread Kai-Uwe Behrmann
Hello, is it correct to write: char LanguageCode[2], CountryCode[2]; LanguageCode[0] = 'd'; LanguageCode[0] = 'e'; CountryCode[0] = 'D'; CountryCode[1] = 'E'; cmsSetLanguage( (int)LanguageCode, (int)CountryCode ); or do I need to byteswap before? regards Kai-Uwe Behrmann -- development

Re: [Lcms-user] cmsSetLanguage

2007-01-20 Thread Kai-Uwe Behrmann
Hello Marti, *char would be fine kind regards, Kai-Uwe Behrmann Am 20.01.2007 um 20:37 schrieb Marti Maria: Hi Kai-Uwe, The ordering should be big endian, so it is correct only in a Mac. Probably I should fix that in next release, maybe allowing char* instead of int? Regards Marti

Re: [Lcms-user] Soft proofing

2007-01-29 Thread Kai-Uwe Behrmann
this in the proofing transform with cmsCreateProofingTransform. For a working example you could look at the CinePaint code. It may help you a bit further: app/cms.c cms_create_transform(). kind regards Kai-Uwe Behrmann -- development for color management www.behrmann.name + www.oyranos.org

Re: [Lcms-user] Transforming colors with A2B1 table

2007-03-05 Thread Kai-Uwe Behrmann
position to start send beams into all directions scan for valid conversions and holes trace holes and borders down to a acceptable resolution render the point cloud to a mesh 1. is the most quick but is not as precise 2. needs somewhat longer 3. not tested myself kind regards Kai-Uwe Behrmann

Re: [Lcms-user] Transforming colors with A2B1 table

2007-03-05 Thread Kai-Uwe Behrmann
usualy fit to the same colourspace to go once further. ... and of course, the precision decelerates with more links. Sometimes a profile comes with just one direction in its tables. Then possibly you can't go back. I saw some scanner profiles like this. kind regards Kai-Uwe Behrmann

Re: [Lcms-user] Using LCMS on hardware

2007-03-05 Thread Kai-Uwe Behrmann
is only possibly with matrix profiles, best without gamma and outside the above described way. If you consider going open source, the final application could be of general interesst. regards Kai-Uwe Behrmann -- development for color management www.behrmann.name + www.oyranos.org

Re: [Lcms-user] Using LCMS on hardware

2007-03-05 Thread Kai-Uwe Behrmann
Am 05.03.07, 14:41 -0300 schrieb gga: Kai-Uwe Behrmann wrote: HDR is only possibly with matrix profiles, best without gamma and outside the above described way. Yes, that's one reason for me to wanting to avoid doing lcms transforms and needing the data raw and not wanting lcms to do

Re: [Lcms-user] Transforming colors with A2B1 table

2007-03-05 Thread Kai-Uwe Behrmann
Am 05.03.07, 19:03 +0100 schrieb Gerhard Fürnkranz: Von: Kai-Uwe Behrmann [EMAIL PROTECTED] Sometimes a profile comes with just one direction in its tables. Then possibly you can't go back. I saw some scanner profiles like this. Input profiles generally support only the device - PCS

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