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Re:We Need A Standard Layered Image Format by est on Tuesday April 30, 2013 @11:13PM (#5636248)
IMHO SQLite is horrible format. using Matroska (.mkv) would be suitable for anything, vectors, bitmaps, audios and so on. It's essentially a container format like XML but for binary

WebM is based on mkv as well.

Re:We Need A Standard Layered Image Format by shuzchen on Wednesday May 01, 2013 @01:19AM (#5636588)
Could you elaborate on what specific benefits using Matroska would have? One downside I can think of is that there are no programming environments (that I can think of) that ship a Matroska parser, whereas sqlite readers/writers are found in many standard libraries.
Re:We Need A Standard Layered Image Format by jfb on Wednesday May 01, 2013 @07:31AM (#5637341)
I thought about this (actually, an ISO based format like MPEG-4, but same idea). You could even represent edits as samples over time, and then play back the file as a movie!