Re: [Development] Qt Color Profiles update

2013-12-19 Thread Kai-Uwe Behrmann
I can not see much changes on codereview from your link since summer of last year. What do I miss? Your attached PDF was interessting, thanks for it. kind regards Kai-Uwe Behrmann Am 16.12.2013 10:43, schrieb Alexandros Dermenakis: > Hello! > > I am working on merging a patch I made

Re: [Development] Color Management support in Qt 5?

2013-11-13 Thread Kai-Uwe Behrmann
s themselves > internally, so wherever we use the native context it's surely just a > case of configuring them to do the work for us? It's really only on > Linux or XP that we would have to have code for doing the transforms > ourselves using LCMS? But like I said, I know nothi

Re: [Development] Color Management support in Qt 5?

2013-11-09 Thread Kai-Uwe Behrmann
27;s are in the linear color space Some app authors will dislike to be forced to have uncontrolled colour conversions. So I would like to add the feature request for a conversion switch off for opaque images. Uncontrolable changes of pixel colours can result in e.g. wrong measurements for ICC p

Re: [Development] Color Management support in Qt 5?

2013-11-08 Thread Kai-Uwe Behrmann
Am 08.11.2013 14:17, schrieb Sorvig Morten: > > On 07 Nov 2013, at 12:48, Kai-Uwe Behrmann wrote: > >> Detecting a colour space and converting to device colour spaces is around >> the same amount of developer time as for special casing sRGB. Detecting sRGB >> among

Re: [Development] Color Management support in Qt 5?

2013-11-07 Thread Kai-Uwe Behrmann
colour management. Short term support for sRGB only would make Qt a pretty limiting choice for many colour managed applications. IMHO, limiting support to RGB in a first development stage is a more sound target. kind regards Kai-Uwe Behrmann Sorvig Morten schrieb: On 06 Nov 2013, at 17:18, Kai

Re: [Development] Color Management support in Qt 5?

2013-11-06 Thread Kai-Uwe Behrmann
What is the point of special casing sRGB? kind regards Kai-Uwe Behrmann Sorvig Morten schrieb: On 04 Nov 2013, at 10:49, John Layt wrote: > On 4 November 2013 08:22, Sletta Gunnar wrote: >> The work that was done is here: >> https://codereview.qt-project.org/#da

Re: [Development] john layt doesn't respond to my email

2013-02-16 Thread Kai-Uwe Behrmann
Am 16.02.2013 13:24, schrieb Mohsen Akhlaghi: > How can I contact John Layt? I've sent many emails to him regarding the > calendar globalization but no answer. Try to contact him on twitter. He is pretty active there. ___ Development mailing list Develop

Re: [Development] Retina display support

2012-09-20 Thread Kai-Uwe Behrmann
would be a huge waste of system resource and performance drag when running on non-retina system. Are there any better solutions? Aren't you seeing the window size in pixels as usual? With that available, you would have a generic answere for your kind of question. kind regards Kai-Uwe Beh

Re: [Development] Color Profile support on Qt

2012-08-01 Thread Kai-Uwe Behrmann
m (or an int) ... like copying a small object, which hides the implementation in a smart way? It could reference the real profile and on edit it does a copy. kind regards Kai-Uwe Behrmann -- developing for colour management www.behrmann.name + www.oyranos.org __

Re: [Development] Color Profile support on Qt

2012-07-17 Thread Kai-Uwe Behrmann (oy)
Alessandro Portale casaportale.de> writes: > > On Mon, Jul 16, 2012 at 7:07 PM, Olivier Goffart woboq.com> > wrote: > > All QPainter operations (at least in the raster engine) assume a > > linear color > > space. That means that the color conversion need to hapen last, right before > > being