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[csswg-drafts] [css-grid] Automatic minimum size clamping by grid area should transfer through aspect ratio

From: fantasai via GitHub <sysbot+gh@w3.org>
Date: Sat, 26 Nov 2016 06:17:37 +0000
To: public-css-archive@w3.org
Message-ID: <issues.opened-191789626-1480141056-sysbot+gh@w3.org>
fantasai has just created a new issue for 
https://github.com/w3c/csswg-drafts:

== [css-grid] Automatic minimum size clamping by grid area should 
transfer through aspect ratio ==
I think this is an error in the clamping rule... The spec says in 
https://drafts.csswg.org/css-grid/#min-size-auto

> However, if the grid item spans only grid tracks that have a fixed 
max track sizing function, its automatic minimum size in that 
dimension is further clamped to less than or equal to the size 
necessary to fit its margin box within the resulting grid area 
(flooring at zero).

I think that if the transferred size (this dimension's size 
transferred through the aspect ratio to the other dimension) is 
controlling the size in the other dimension, then that transferred 
size should also get clamped accordingly.

Possible edits for this would be 

> However, if the grid item spans only grid tracks that have a fixed 
max track sizing function, its automatic minimum size in that 
dimension is further limited by treating the item’s <a>fill-available 
fit</a> into the sum of those track sizes as an additional maximum 
limit (floored at zero) for clamping the “specified size” and “content
 size” in that dimension and accordingly the “transferred size”, if 
any, in the other dimension, so as to prevent the automatic minimum 
from forcing overflow of its fixed-size <a>grid area</a>.

Let me know what you think.

Please view or discuss this issue at 
https://github.com/w3c/csswg-drafts/issues/767 using your GitHub 
account
Received on Saturday, 26 November 2016 06:17:43 UTC

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