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Diffstat (limited to 'NOTES')
-rw-r--r-- | NOTES | 30 |
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@@ -0,0 +1,30 @@ + +SOME RANDOM COMMENTS: +===================== + + * We assume that all documents can be broken down into a linear + collection of pages. + + * If a document type doesn't break down in such a way (like web pages) + then it's probably not a good fit for this application. + + * Each page has a natural page size in pixels. This is generally + ignored in favor of a scale-to-fit mode, but is occasionally + important for backends like the image backend. + + * Each page is not necessarily the same size. + + * We refer to pages by page number. This number ranges from 1 to + document->n_pages. A page index of -1 means the current set page, + and a page index of 0 is not used. + + +-- + +Thoughts on threading: + + * The primary thing we are trying to do is minimize switching pages, as + doing so is slow for backends. Additionally, some operations on the + backend are slow, leaving poor interactivity. This + +-- |