[Qt-interest] New image metadata parser based on the Qt

[Sami Maisniemi]

The support for FITS would be an interesting addition to the class. We have been looking for additions which could provide remarkable added value for the Qt framework in terms of contribution. I will take a look at FITS as soon as possible and I will keep you updated.

-Sami

On Apr 4, 2011, at 12:57 AM, Bence Magyar wrote:

> Since you're working with metadata, did you consider to support .fits format in your library?
> Mainly astronomers use this format for the flexibility of it's metadata header.
> It's quite similar to tiff.
> 
> -Bence
> 
> 2011/4/3 Sami Maisniemi <sami.maisniemi at katelabs.com>
> Thank you for your feedback. I have pushed the changes to the version control.
> 
> -Sami
> 
> On Mar 31, 2011, at 10:10 AM, Miroslav Rajcic wrote:
> 
> > Classes seem to work fine after several fixes:
> >
> > - compiler (Visual Studio 2008) complains (warning) that the following operator
> > is recursive and it will generate stack overflow:
> >
> >  QImageMetaData::operator=
> >
> > If you remove the first line in the operator code, it will work fine.
> >
> > - the same compiler generates an error for the following method:
> >
> >  QImageMetaData::readIFD
> >
> > You are using large number of nested "if/else" loops and compiler generates this
> > error: C1061: compiler limit : blocks nested too deeply
> >
> > If you convert the "if" loops starting on the line 2765 in the "readIFD"
> > function to "switch/case" statements, the problem will be solved
> >
> > - third problem I noticed is that reading exif info blocks forever on the jpg
> > images that do not contain exif data at all
> > This is solved by patching the method "QImageMetaData::identify" by adding the
> > check "if(length < 1)  break;" after the line "*input >> length;"
> >
> > I will send you my patched version by mail.
> > Thank you for your work
> >
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> 
> Sami Maisniemi | Imaging Specialist | Kate Labs Ltd
> www.katelabs.com | +358 400 114 070
> 
> 
> 
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Sami Maisniemi | Imaging Specialist | Kate Labs Ltd
www.katelabs.com | +358 400 114 070



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