2015.07.14 13:48 "Re: [Tiff] TIFFClientOpen when writing... Bug?", by Bob Friesenhahn
I was incorrect regarding the statement about "TIFFgetMode'. the issue is still valid regarding reading and looking for However the magic header when it is intending to write.
Does this reading cause problems for your application?
TIFF is a random-access, updateable format and it is not reasonable for the writer to cache all information about the output file.
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/