Re: [Openexr-devel] Null data window

[Julie Santerre]

Bonjour à tous!

I was wondering if anything changed about the way OpenEXR handles empty 
data window since 2005. The latest news I have are:  

On Wed, 2005-03-02 at 19:56, Florian Kainz wrote:
Right now, the library won't let you save or load
a file with no pixels in it.  Adding this capability
wouldn't be too difficult; we'd just have to do a lotof testing to ensure 
that empty files don't break anything.

Is this possible now to write a file with no pixel in it? If not, to 
represent an empty data window, I would need to write a single black 
transparent pixel to a file and set the data window to (0,0) - (0,0) as Ken 
suggested in 2005. But then, is there a way to tell apart a file with an 
empty data window and a file of size 1x1 containing only one pixel?

Thank you! 

Julie