Flightcrew : is px for the height/width forbidden ?

NicolasR · 02-10-2011, 12:28 PM

Hi !

I’m often using pixel (px) for the length and width of my images.

But Flightcrew doesn’t seem to like it… Here is what it says :

Quote:

value '200px' does not match regular expression facet '[-+]?(\d+|\d+(\.\d+)?%)'

Do you know what it means ? Is px forbidden in the ePub specification ?

Thank you very much for the answer.

DMSmillie · 02-10-2011, 03:16 PM

Do you mean you use "px" values for the "width" and "height" attributes in the HTML "img" tag? E.g.:

Code:

<img src="my_picture.jpg" alt="my picture" height="200px" width="100px" />

If that's what you're using, it's not an EPUB issue - it's an HTML validity issue. The "height" and "width" attributes in an "img" tag should have simple numerical values - either the number of pixels, or a percentage value. So instead of:

Code:

height="200px"

you should just have:

Code:

height="200"

NicolasR · 02-11-2011, 04:51 AM

Hi, Donna !

That is what I was meaning, you are right !

And thank you very much for the explanation, I understand now !

Strangely, epubcheck does validate, when the height or width in the <img> tag are in px…

02-10-2011, 03:16 PM	#2
DMSmillie Enquiring Mind Posts: 562 Karma: 42350 Join Date: Aug 2010 Location: London, UK Device: Kindle 3 (WiFi)	Do you mean you use "px" values for the "width" and "height" attributes in the HTML "img" tag? E.g.: Code: <img src="my_picture.jpg" alt="my picture" height="200px" width="100px" /> If that's what you're using, it's not an EPUB issue - it's an HTML validity issue. The "height" and "width" attributes in an "img" tag should have simple numerical values - either the number of pixels, or a percentage value. So instead of: Code: height="200px" you should just have: Code: height="200"

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02-11-2011, 04:51 AM	#3
NicolasR Addict Posts: 259 Karma: 434 Join Date: Feb 2010 Device: none	Hi, Donna ! That is what I was meaning, you are right ! And thank you very much for the explanation, I understand now ! Strangely, epubcheck does validate, when the height or width in the <img> tag are in px…

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