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Old 06-26-2018, 08:53 AM   #1
thiago.eec
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Exclamation Rendering issue with Calibre - all fonts italicized

Hello folks!

I've got a rendering problem with some books with embedded fonts (I'm sending a sample book). It occurs on both Editor and Viewer.

The problem is that all the fonts are displaying italicized. I've already checked and the fonts are ok. Also, they work as suposed in iBooks, ADE, Azardi, Readium and Edge, but fail in Calibre and Sigil.

If I remove the fonts from the book, and keep the reference, then they work correctly on my computer (I have those fonts installed on my system).

What is the problem here? Am I missing something? I doubt it since the books is rendering fine on all thoses apps, with Calibre and Sigil being the exceptions.

In the image below, you can see the embedded version (on the left) and the other one with only referenced fonts (on the right). See that the left one shows the Heading and the first part of the text in a italicized manner. The right one renders correctly.



-------------------
Details:

Calibre Version: 3.26.1
OS: Windows 7 (and Windows 10 1803)
Attached Files
File Type: epub A Crise da Morte - Ernesto Bozzano - Open Fonts.epub (1.06 MB, 17 views)

Last edited by thiago.eec; 06-26-2018 at 08:57 AM. Reason: Add details
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Old 06-26-2018, 08:56 AM   #2
kovidgoyal
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https://www.mobileread.com/forums/sh...light=indesign
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Old 06-26-2018, 09:22 AM   #3
thiago.eec
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Quote:
Originally Posted by kovidgoyal View Post
@kovidgoyal

Thanks for the reply.

I've alredy tried everthing suggested on the other post.

1) I'm not using subsetteds fonts.
2) The fonts were downloaded form Google Fonts and used as they were, without any changes.
3) I've also tried to convert the fonts to OTF with FontForge, but the result was the same.
4) The fonts were not exported by Indesign. I actually added the fonts latter using Calibre Editor.
5) The fonts are not obfuscated.

Also, I want to remember that the fonts themselft work fine when they are not embedded, and only referenced (but present on my system). Thus, it doesn't seem to be a problem with the font (like being corrupted or something).
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Old 06-26-2018, 11:07 AM   #4
kovidgoyal
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Your attached EPUB renders correctly on my linux system, see attached.

It might be that Qt's windows font backed does not like those fonts (I'm guessing you are on windows). Probably best to use a different font. It will get fixed in calibre eventually when I move the viewer from Qt WebKit to WebEngine, but that's still some time away.
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Old 06-26-2018, 09:16 PM   #5
thiago.eec
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Ok, Kovid.

Indeed I am on Windows (tried on 7 and 10).
Well, at least I know there is nothing wrong with the book.

Thanks for the support!
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Old 06-27-2018, 11:22 AM   #6
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This is a problem on Windows and has nothing to do with Indesign. I see this in Sigil as well as Calibre. I have been using Sigil to create the books and all the text in either book view or preview are displayed as italics. The same book appears the same way in Calbre's book viewer and book editor. The book displays properly in ADE. The fonts are embedded.

The book displays properly with Linux.

Whatever the cause, it is common to both Calibre and Sigil under Windows. Win 7 in my case.
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Old 06-27-2018, 02:46 PM   #7
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I can confirm that this happens with both the 32 and 64 bit versions of Win7.
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Old 06-27-2018, 10:05 PM   #8
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@grumbles: Did you miss post #4 in this thread?
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