[CREATE] Resolution information in ORA

[Michael Natterer]

On Fri, 2013-06-21 at 11:26 +0200, Boudewijn Rempt wrote:
> Hi,
> 
> Jens Reuterberg (a Swedish illustrator) posted this bug for Krita: 
> https://bugs.kde.org/show_bug.cgi?id=321106. He would like to roundtrip 
> ppi information between krita, gimp and other apps that support ora.
> 
> The spec doesn't define that at the moment. I see two possibilities:
> 
> * use the resolution information in the embedded png files (I do that in 
> Krita for now)
> * extend the stack spec with resolution information, for example like:
> 
> <image w="300" h="177" xres="300" yres="300">
> 
> I don't care particularly about the tags used, or whether we have 
> resolution separate for x and y, or not.
> 
> Option 2 has my preference...

I prefer option 2 too, and I would make it both-or-none, so either
specify both resolutions, or none, in which case ORA would have to
define a default, probably the omnipresent and useless 72 :)

--Mitch