Re: [Openexr-devel] Writing scanline at a time

[Nafees Bin Zafar]

You just have to insert a framebuffer slice pointing to that scanline's 
base address, for each scanline right?  As long as you aren't 
manipulating framebuffer slices multithreaded the library seems to do 
scanline writes fine.

I think Paul is talking about:
http://www.openexr.com/api.html#sec_2_1

-n

Paul Schneider wrote:

> It's more complicated than that if you don't want to have all of the 
> pixels in memory at once - you have to reset the baseAddress each time 
> you change the current scanline.  Check out Florian's tutorial at 
> www.openexr.com.
>
> - Paul
>
> On Monday, April 14, 2003, at 04:51 PM, Nafees Bin Zafar wrote:
>
> > Imf::OutputFile has a method called writePixels() which takes the 
> > number of parameters as an argument (default is 1).  The argument 
> > specifies the next 'n' lines to write.
> >
> > -n
> >
> > Charles Henrich wrote:
> >
> > > Is there anyway with the EXR API to write out images a single 
> > > scanline at a
> > > time, or must I have the entire contents of all channels in memory 
> > > before
> > > issuing a write?  So far I havent seen anything that appears to be 
> > > that I can
> > > do this?
> > >
> > > -Crh
> > >
> > >       Charles Henrich                                   address@hidden
> > >
> > >                         http://www.sigbus.com/~henrich
> > >
> > >
> > > _______________________________________________
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> >
> >
> > --
> > Nafees Bin Zafar        address@hidden
> > Zarking Lunatic         310/314-2800 (x2012)
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> >
> >
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Nafees Bin Zafar        address@hidden
Zarking Lunatic         310/314-2800 (x2012)
D  I  G  I  T  A  L     D  O  M  A  I  N