Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Steve Mills
On May 21, 2008, at 12:16:16, Case, Isaac wrote: > How is this different than what you're doing? Because you're calling cmsCreateMultiprofileTransform with 4 profiles with 1 rendering intent, and I'm calling it with 2 device link profiles with possibly different intents between each of the 4

Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Steve Mills
On May 21, 2008, at 13:57:10, Kai-Uwe Behrmann wrote: > If you want a chain like, you might want to look at CinePaint's > sources as > a living example: > > input[scanner,camera,image] profile -> > manipulation/effects profile(s) -> >simulation/proofing profile -> > local output[printe

Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Case, Isaac
I just made up a quick test to see if I understand how it works (where p1 and p2 are two different cmyk profiles). Compiled and ran fine. How is this different than what you're doing? #include "lcms.h" #include typedef struct _RGB_ { BYTE r,g,b; } RGB; int main() { cmsHPR

Re: [Lcms-user] XYZ to CMYK differences lcms 1.15 vs 1.17

2008-05-21 Thread Kai-Uwe Behrmann
I dont remember exactly, but thought to have seen a API to select the interpolator in Lcms, without touching the Lcms source code. kind regards Kai-Uwe Behrmann -- developing for colour management www.behrmann.name + www.oyranos.org Am 20.05.08, 14:43 -0400 schrieb Case, Isaac: > Never mind,

Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Kai-Uwe Behrmann
Am 21.05.08, 11:16 -0500 schrieb Steve Mills: > On May 21, 2008, at 11:10:15, Case, Isaac wrote: > > > Sorry for coming in on this much later, but what exactly are you > > trying > > to do? > > > > It looks like you're trying to softproof what rgb prints from the > > proofer would look like, if

Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Steve Mills
On May 21, 2008, at 11:10:15, Case, Isaac wrote: > Sorry for coming in on this much later, but what exactly are you > trying > to do? > > It looks like you're trying to softproof what rgb prints from the > proofer would look like, if the proofer was emulating the printer. > > Is that correct?

Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Case, Isaac
Sorry for coming in on this much later, but what exactly are you trying to do? It looks like you're trying to softproof what rgb prints from the proofer would look like, if the proofer was emulating the printer. Is that correct? Isaac Case Software Engineer PCDT Color Workflow Team Xerox Corpor

Re: [Lcms-user] Confused about cmsCreateMultiprofileTransform error

2008-05-21 Thread Steve Mills
On May 8, 2008, at 19:15:12, Alastair M. Robinson wrote: > What you probably could do is create the individual stages of your > transform with cmsCreateTransform(), convert these transforms to > DeviceLinks with cmsTransform2DeviceLink(), and then chain the > devicelinks together using cmsCreateMu