Hi Marti, I attached an patch to the current 1.12 candidate. It introduces an switch for configure to decide which kind of optimization/precission should be compiled in. Cinepaint will need float precission for its upcoming cms. Hope it works correctly and You like to include it. Tested on linux.
files changed: configure -- reprocessed with autoconf configure.ac -- the main part include/lcms.h -- USE_ASSEBMLER out commented regards Kai-Uwe Am 29.11.03, 16:15 +0100 schrieb Marti Maria: > Hi, > > >configures/compiles without problems. Displaying is ok. > > Many thanks for the testing! > > >Would it be possible to change the file permissions? They are nearly > >all set to executeable. Only configure and the other scripts would need > >this flag been set. > > Oh, the old problem again. Well, I could try to do the tarball on a true linux > machine ... but is this really necessary? > > >An further question I like to ask: > >When does You think will floating point calculations get introduced in > >lcms? In preperation of this: Are there any thoughts about how to handle > >values of over paper white? This would be interessting for HDR scenes. > > Floating point support is already implemented. If you mean floating point > as the internal way to make calculations, just use the USE_FLOAT toggle > on lcms.h > > If you mean to pass floating point values to the color transform, take a look > on the specifiers: > > TYPE_RGB_DBL > TYPE_CMYK_DBL > TYPE_Lab_DBL > TYPE_XYZ_DBL > TYPE_GRAY_DBL > > These are using double values instead on encoded ones. Of course at speed cost. > > >In preperation of this: Are there any thoughts about how to handle > >values of over paper white? This would be interessting for HDR scenes. > > Well, this is largely left to the profile side. ICC spec doesn't allow highlights > on Lab PCS with L* > 100, but nothing prevents you to build a profile > on, say XYZ, that use Y > 100. Remember a CMM is really a "dumb" > interpolation engine that knows nothing about the colorspace being handled. > If you build a profile capable to handle highlights, the CMM will then > understand highlights. I must add I've not seen any profile with such behavior, > but it is theoretically possible. > > > Best regards, and thanks again for the testing. > Marti Maria > The little cms project > http://www.littlecms.com > [EMAIL PROTECTED] > > > > > ----- Original Message ----- > From: "Kai-Uwe Behrmann" <[EMAIL PROTECTED]> > To: "Marti Maria" <[EMAIL PROTECTED]> > Cc: "Lcms-User" <[EMAIL PROTECTED]> > Sent: Wednesday, November 26, 2003 8:19 PM > Subject: Re: [Lcms-user] ver 1.12 release candidate > > > Marti, > > Am 26.11.03, 18:40 +0100 schrieb Marti Maria: > > > I've posted the 1.12 release candidates in site: > > > > http://www.littlecms.com/lcms112.zip > > http://www.littlecms.com/lcms-1.12.tar.gz > > configures/compiles without problems. Displaying is ok. > Would it be possible to change the the file permissions? They are nearly > all set to executeable. Only configure and the other scripts would need > this flag been set. > > An further question I like to ask: > When does You think will floating point calculations get introduced in > lcms? In preperation of this: Are there any thoughts about how to handle > values of over paper white? This would be interessting for HDR scenes. > > Many thanks > Kai-Uwe Behrmann >
float_conf.diff
Description: float_conf.diff
