Thread: CSS files and reading software
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Old 05-13-2011, 06:14 PM   #10
jackie_w
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Quote:
Originally Posted by paola View Post
...I haven't yet tackle the font issue, which I'll overcome only if there is some monkey-proof one line fix - if it works, I'll report back!
For your future info re the fonts, if your epub is non-DRM there is a middle ground you might try which requires no hacked AdobeViewer and should work on your PocketBook.

But to backtrack a little... reading epubs in the font-face of your choice, on a reader which uses an Adobe renderer requires only 2 things:
  • the font files (.ttf) you want to use
  • a bit of magic css, which specifies which fonts you want to use and tells the reader where to find them.

There are 3 ways an epub with customized fonts can be prepared:
  1. Fonts are embedded inside the epub, magic css already inside the epub's css file.
    This method is often used by publishers for DRM'd retail epubs. But anyone could do it (with a bit of knowledge) for an epub not locked by DRM.
  2. Font files are copied to the reader, magic css is placed in a fixed-name text file on the reader.
    This is how the hacked AdobeViewer works. All the hack does is tell the reader where the magic css file is to be found. This method can be used for all epubs whether they have DRM or not.
  3. The middle ground - font files are copied to the reader, magic css is forced into the epub's css file.
    No hacks are required, but it must be a non-DRM epub. You can manually put the magic css into the epub's css file using Calibre Tweak-epub feature (and probably Sigil but I don't use it, so not sure). However, it's easier to do it with a Calibre epub-to-epub conversion because all you have to do is copy the magic css into Calibre's Convert - Look&Feel - ExtraCSS box.

    You cannot guarantee 100% that this will work first time for every epub because it depends on the existing contents of the epub's css file. However, I've never yet found an epub which could not be tweaked afterwards so it does work.

When you get round to trying it, there is no reason why you can't use option 3 on your reader, for non-DRM epubs. Just ask if you need help
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