Commits on Aug 23, 2023

1. feat(ImageBuf): auto print uncaught IB errors …

   Advanced users know to check error returns and retrieve errors.
   
   New users often just try OIIO calls with no error checks when they
   don't get behavior they want, ask questions to the dev team. We
   hypothesize that if they only saw the text of the error messages that
   they never retrieved, they could probably self-diagnose many of their
   problems.
   
   This patch makes an ImageBuf, when it is destryed, print any pending
   error messages that were never retrieved. It happens by default, but
   can be disabled by setting the new global attribute
   "imagebuf:print_uncaught_errors" to 0 (it defaults to 1).
   
   This doesn't cover everything, but for ImageBuf and ImageBufAlgo,
   maybe it will help some users? It could annoy advanced users who
   intend to not retrieve error messages (why?) but still don't want
   this printed. But that's who the new attribute is for.
   
   Signed-off-by: Larry Gritz <lg@larrygritz.com>

   

   lgritz committed Aug 23, 2023
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