[Sw-l] Vertical SignWriting with borders in the browser

[Jonathan Duncan]

Hi Steve,
     I'm really impressed!!!!  Thanks for sharing this with everybody.  
It will be useful for many programmers.
All that reflowing and no Javascript to calculate where each sign goes, 
just let the browser figure the layout once they are in the web page.

Maybe latter you can share the algorithm to calculate margin-right and 
border-left values for any given sign.

On Chrome Version 48.0.2564.116 m it worked fine.  But on another older 
browser chrome Version 47.0.2526.106 it didn't work.  But I don't think 
it's directly related to you the sign layout, because even the signs 
themselves are messed up.  I was expecting the sign to be right and just 
in wrong  positions.  The good thing is that it isn't that hard to 
upgrade to the latest version of browsers.



Jonathan

On 3/2/2016 12:22 PM, Stephen E Slevinski Jr wrote:
> Hi SignWriting list,
>
> Working on SignPuddle 3, I created something really cool I'd like to 
> share.
>
> Using standard HTML and CSS, I have improved the vertical writing mode 
> for SignWriting in the modern browser.
>
>
> http://codepen.io/Slevinski/pen/zqGNqz?editors=1100
>
> This is a combination of TrueType fonts, SVG, HTML, and CSS all 
> working together to create text that reflows and handles spacing properly.
>
> One of the biggest challenges for SignWriting with computers is that 
> the text does not have a standard size.  This creates spacing issues 
> that standard HTML and CSS were not designed to handle. Luckily, it is 
> possible to use a variety of strategies to implement SignWriting in 
> the browser.
>
> The above example uses a series of span elements and borders to 
> achieve the lane and column divisions.  The line-height for each 
> column is adjusted automatically based on the individual signs that 
> appear in each column.  If the page size is changes or zoomed, each 
> column width will adjust accordingly.  For the individual signs, the 
> spacing is set on the left with "margin-right: {#}px" and the spacing 
> is set on the right with "border-left: {#}px solid transparent".
>
> I've checked all modern browsers on Windows, Mac, and Linux and this 
> strategy works.  Very exciting.
>
> Regards,
> -Steve
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Valerie Sutton
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sutton at signwriting.org

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