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#1 |
Wizard
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Join Date: Apr 2009
Location: Edinburgh, Scotland
Device: Kindle 3, Samsung Galaxy
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How to change font size?
Can anyone give me a simple step-by-step instruction for increasing the size of the text in an ebook?
I have a book in Kindle / Mobi format, the text of which is a couple of points smaller than in I would like. I know I can change the size on the Kindle itself, but that would affect all the books on the device; I'd have to constantly reset the size every time I go into or out of this particular book. I imported the book into Calibre, then went to Convert Individually / Look and Feel. The resulting dialogue asks for "base font size" (which is preset to zero) and "font size key" (which is blank). My problem is that I don't know what to enter into those fields. I'm not worried about rescaling all the fonts throughout the book. I just want to make the body text a couple of points larger. Thanks in advance for any help. |
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#2 | |
Well trained by Cats
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Join Date: Aug 2009
Location: The Central Coast of California
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Quote:
I use base 18 the wizard button gives more info and options. basically, when the CSS calls for the use of xx-small the first key value gets used. xx-large, the last value. you can elect to be non-liniear on the values in between ![]() |
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#3 | |
US Navy, Retired
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Location: North Carolina
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Quote:
Base Font Size: 16pt. Font size key: 16,16,16,16,17.5,17.5,18,18 The fourth 16 in font size key should match the base font other than that you can adjust the rest as you like. |
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#4 |
Wizard
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but why not leave the book as-is & use the e-reader device font options ???
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#5 |
US Navy, Retired
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My Sony 505 only had 3 scaling options and leaving things at 12 just wasn't an option for my older eyes. Moving the default from 12 to 16 gave me two levels that I could easily read. So far I have avoided needing reading glasses to read my ereader.
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#6 | |
Well trained by Cats
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Quote:
I tweak the cont-size: in the calibre (sometimes calibre3) selector in the CSS to 1.2em (was 1em), I still use font zoom 3 on my PEz (that appears to be about the same size as my DT copy) |
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#7 |
Tatütatuter
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I started using xx-small,x-small,small,medium,large,x-large,xx-large as font-size-definitions instead of using "hard-coded" font-sizes with numbers or "em"-definitions (manual in sigil). As result, I have epubs which I can use on verious device using the standard internal possibilites of the devices for displaying the books in various font-sizes without side-effects.
Add question: Is it possible to use this font-size-difinitions within calibre conversion? |
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#8 | |||
US Navy, Retired
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Quote:
Using: Base font size 12pt Font size key 9, 10, 11, 12, 14, 18, 24, 36 Would be the same as using: Base font size Medium Font KeySize xx-small, x-small, small, medium, large, x-large, xx-large Quote:
I suppose a book could be hard coded with un-scalable font sizes but I haven't run across one in over 8500 conversions. There are no side effects of using the above listed Base font key and Font size key except to have fonts the way you want them to be. They are still scalable on every device. Quote:
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#9 |
Tatütatuter
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Join Date: Oct 2008
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@Walt
Thank you für clearifying. I will give it a try. I dit it manually until now, because calibre shows 8 font-sizes (standard setting) and there are only 7 keywords. With "hard-coded" I meant using font sizes in pt. I'd made tests with ebooks using pt for font-size in one book and the key-words in another version of this book: the books were looking different after using the readers ability to show the text larger or smaller. And - the books were shown more identical on different devices with different screen sizes with the keywords for font-size as with using font-size in pt or em. For me, the results were better using the keywords instead of using pt or em. But that may be a personal predilection. Last edited by ThR; 08-02-2011 at 04:27 AM. |
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#10 | ||
US Navy, Retired
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Quote:
I knew what you meant, I have never seen a book formatted that way. It certainly would prevent font scaling on most devices from working if they were formatted that way. Quote:
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#11 |
Tatütatuter
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Thank you for the links, Walt. The second I've read before (on another site in german). But after reading the first - I think I have to overthink my strategy of font-sizing. ;-)
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#12 |
Wizard
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Join Date: Apr 2009
Location: Edinburgh, Scotland
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#13 | |
Wizard
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Karma: 3846231
Join Date: Apr 2009
Location: Edinburgh, Scotland
Device: Kindle 3, Samsung Galaxy
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Quote:
If I only read one book at a time, I would do as you suggested. But I tend to have two or three on the go, and I didn't want to have to keep switching font size every time I go into the particular book that has the small type. |
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#14 | |
Well trained by Cats
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Join Date: Aug 2009
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Quote:
Conversion Preference setings = starting point. Per book conversion settings = override and are saved Restore button on the book conversion screen, erases remebered settings and grabs the current Preferences. |
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#15 | |
Wizard
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Quote:
so I read the whole thread & the link. is the 8th value of font size key irrelevant/ ignored , as the majority view is value 7 maps to xx-large. can anyone give an example of the 8th number affecting a conversion please ? |
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