Gen3 Cybook + ADE differences from other readers

AlexBell · 05-11-2010, 08:09 PM

Thanks to Jelby and EowynCarter I've just installed the 2.0 firmware on my Cybook, and have a couple of questions about the display.

Firstly, when I read a few ePubs I have tested on another reader I have there is a nice margin between the top of the text and the top of the screen. On the Cybook the text is flush with the top of the screen. Will this occur with all ePubs? Why?

Secondly, though I can change font family and size and can toggle between justified and left aligned text with nearly all the ePubs I tested there is one (the Smashwords Style Manual) in which I can't do any of these things. Why? Is it related to imbedded fonts?

Regards, Alex

Godzil · 05-12-2010, 03:26 AM

Quote:

Originally Posted by AlexBell

Why? Is it related to imbedded fonts?

Correct, and this is not a bug, but due to the way ePub are made. If the CSS of the ePub or the HTML override the global parameters they will not use the parameter you set. That's true for alignment and fontface.

NicolasR · 05-12-2010, 05:03 AM

If you want to get rid of this, and control alignment et font again, you’ll have to edit the CSS file embedded in your .epub. That is very easy.

Jellby · 05-12-2010, 06:13 AM

The top margin can be added with @page in the CSS.

AlexBell · 05-14-2010, 02:15 AM

Thanks to you all. I've been off-line for a couple of days, hence the delayed response.

Jelby, I've designed websites, so have some background in HTML and CSS. But I've not used @page before, and don't see it in the HTML/CSS books I have. Could you point me to a reference please so I can read up on it?

Regards, Alex

Jellby · 05-14-2010, 05:16 AM

Websites are not paged media, so it's not surprising you haven't used @page

The reference for @page is here.

Note that, for the Cybook/ADE combination, you want top and bottom margins in a @page{} element, but if you want side margins, you better put them in body{}, because page numbers would be affected by page margins (and, if I remember correctly, you have to used a class for the <body>, or the Cybook just uses default margins).

AlexBell · 05-14-2010, 06:58 AM

Quote:

Originally Posted by Jellby

Websites are not paged media, so it's not surprising you haven't used @page

The reference for @page is here.

Note that, for the Cybook/ADE combination, you want top and bottom margins in a @page{} element, but if you want side margins, you better put them in body{}, because page numbers would be affected by page margins (and, if I remember correctly, you have to used a class for the <body>, or the Cybook just uses default margins).

Thanks, Jellby - and apologies for misspelling your name earlier. I've bookmarked the page and will study it when I can.

But from what I've read so far I'm not sure that it answers my original question. I've handmade a couple of ePub ebooks myself, with body {margin: 2%}.

When reading eg 'The War Prayer' on my ECO Reader there is a nice unobtrusive space between the top of the text and the bottom of the top margin of the screen. When reading the same book on my Cybook the text is flush with the top of the screen - ie no whitespace at all.

Would setting the top margin with @page mean they book would appear the same on both readers?

Regards, Alex

Jellby · 05-14-2010, 07:13 AM

Quote:

Originally Posted by AlexBell

But from what I've read so far I'm not sure that it answers my original question. I've handmade a couple of ePub ebooks myself, with body {margin: 2%}.

That will only affect the top margin of the first page and the bottom margin of the last page (and side margins all along).

Quote:

When reading eg 'The War Prayer' on my ECO Reader there is a nice unobtrusive space between the top of the text and the bottom of the top margin of the screen. When reading the same book on my Cybook the text is flush with the top of the screen - ie no whitespace at all.

Would setting the top margin with @page mean they book would appear the same on both readers?

I don't know, I guess it depends on how exactly both readers define margins. If the ECO has some "default" @page that can be overwritten by the book, then it will probably look very similar in both readers; but if the top margin you see in the ECO is due to some additional margin it adds no matter what, you'll have a larger margin in the ECO than in the Cybook

EowynCarter · 05-14-2010, 09:28 AM

Quote:

I don't know, I guess it depends on how exactly both readers define margins. If the ECO has some "default" @page that can be overwritten by the book, then it will probably look very similar in both readers; but if the top margin you see in the ECO is due to some additional margin it adds no matter what, you'll have a larger margin in the ECO than in the Cybook

From my experiance with setting margin, the opus does 0px top, 5px left, right, bottom

AlexBell · 05-15-2010, 04:30 AM

Quote:

Originally Posted by EowynCarter

From my experiance with setting margin, the opus does 0px top, 5px left, right, bottom

Thanks, Eowyn, that's most helpful. If it ever bugs me too much and I have nothing better to do I'll go in and change it.

Setting a margin with px makes my web designer soul shudder.

Regards, Alex

JSWolf · 05-15-2010, 05:30 AM

Quote:

Originally Posted by AlexBell

Thanks, Eowyn, that's most helpful. If it ever bugs me too much and I have nothing better to do I'll go in and change it.

Setting a margin with px makes my web designer soul shudder.

Regards, Alex

But, if you use % with margins instead of px, you get different margins for different screen sizes. Bext to use px to define margins so they stay the same regardless of the screen size.

EowynCarter · 05-15-2010, 12:10 PM

Quote:

you get different margins for different screen sizes

Yes, and you might want to do precisly that

Else margin ok for 5" will be to short for 9"...
And I dont't really know how bookeen setted the margins, but saying "0 bottom", "5" everywhere, get decents margins.

AlexBell · 05-16-2010, 03:13 AM

Thanks to you both. This may be a 'big-endian' vs 'little-endian' argument, but I'm with Eowyn.

Regards, Alex

Jellby · 05-16-2010, 03:48 AM

Quote:

Originally Posted by JSWolf

But, if you use % with margins instead of px, you get different margins for different screen sizes. Bext to use px to define margins so they stay the same regardless of the screen size.

But then you get different margins on different resolutions. With Gen3 and Opus, for instance, px is just as %, both screens have the same number of pixels and different size.

If what you want is a constant absolute size, use absolute units: pt, mm, in...

GeoffC · 05-16-2010, 05:39 AM

spin the book through Calibre, see if the default cybook figures suit you ...

05-11-2010, 08:09 PM	#1
AlexBell Wizard Posts: 3,413 Karma: 13369310 Join Date: May 2008 Location: Launceston, Tasmania Device: Sony PRS T3, Kobo Glo, Kindle Touch, iPad, Samsung SB 2 tablet	Cybook + ADE differences from other readers Thanks to Jelby and EowynCarter I've just installed the 2.0 firmware on my Cybook, and have a couple of questions about the display. Firstly, when I read a few ePubs I have tested on another reader I have there is a nice margin between the top of the text and the top of the screen. On the Cybook the text is flush with the top of the screen. Will this occur with all ePubs? Why? Secondly, though I can change font family and size and can toggle between justified and left aligned text with nearly all the ePubs I tested there is one (the Smashwords Style Manual) in which I can't do any of these things. Why? Is it related to imbedded fonts? Regards, Alex

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05-12-2010, 05:03 AM	#3
NicolasR Addict Posts: 259 Karma: 434 Join Date: Feb 2010 Device: none	If you want to get rid of this, and control alignment et font again, you’ll have to edit the CSS file embedded in your .epub. That is very easy.

05-12-2010, 06:13 AM	#4
Jellby frumious Bandersnatch Posts: 7,543 Karma: 19001583 Join Date: Jan 2008 Location: Spaniard in Sweden Device: Cybook Orizon, Kobo Aura	The top margin can be added with @page in the CSS.

05-14-2010, 02:15 AM	#5
AlexBell Wizard Posts: 3,413 Karma: 13369310 Join Date: May 2008 Location: Launceston, Tasmania Device: Sony PRS T3, Kobo Glo, Kindle Touch, iPad, Samsung SB 2 tablet	Thanks to you all. I've been off-line for a couple of days, hence the delayed response. Jelby, I've designed websites, so have some background in HTML and CSS. But I've not used @page before, and don't see it in the HTML/CSS books I have. Could you point me to a reference please so I can read up on it? Regards, Alex

05-14-2010, 05:16 AM	#6
Jellby frumious Bandersnatch Posts: 7,543 Karma: 19001583 Join Date: Jan 2008 Location: Spaniard in Sweden Device: Cybook Orizon, Kobo Aura	Websites are not paged media, so it's not surprising you haven't used @page The reference for @page is here. Note that, for the Cybook/ADE combination, you want top and bottom margins in a @page{} element, but if you want side margins, you better put them in body{}, because page numbers would be affected by page margins (and, if I remember correctly, you have to used a class for the <body>, or the Cybook just uses default margins).

05-16-2010, 03:13 AM	#13
AlexBell Wizard Posts: 3,413 Karma: 13369310 Join Date: May 2008 Location: Launceston, Tasmania Device: Sony PRS T3, Kobo Glo, Kindle Touch, iPad, Samsung SB 2 tablet	Thanks to you both. This may be a 'big-endian' vs 'little-endian' argument, but I'm with Eowyn. Regards, Alex

05-16-2010, 05:39 AM	#15
GeoffC Chocolate Grasshopper ... Posts: 27,599 Karma: 20821184 Join Date: Mar 2008 Location: Scotland Device: Muse HD , Cybook Gen3 , Pocketbook 302 (Black) , Nexus 10: wife has PW	spin the book through Calibre, see if the default cybook figures suit you ...

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