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| (Empty) | |
| 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/x
html1/DTD/xhtml1-strict.dtd"> |
| 2 |
| 3 <html xmlns="http://www.w3.org/1999/xhtml"> |
| 4 |
| 5 <head> |
| 6 |
| 7 <title>CSS Writing Modes Test: absolutely positioned non-replaced element - 'd
irection: rtl' and 'left', 'width' and 'right' are not 'auto' (overconstrained)<
/title> |
| 8 |
| 9 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserB
ugsSection/css21testsuite/" /> |
| 10 <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layo
ut" title="7.1 Principles of Layout in Vertical Writing Modes" /> |
| 11 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replace
d-width" title="10.3.7 Absolutely positioned, non-replaced elements" /> |
| 12 <link rel="match" href="abs-pos-non-replaced-vlr-009-ref.xht" /> |
| 13 |
| 14 <meta name="flags" content="ahem image" /> |
| 15 <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and
'right' are not 'auto' and if the values are overconstrained, then ignore 'left
' and then solve for 'left'." /> |
| 16 |
| 17 <style type="text/css"><![CDATA[ |
| 18 div#containing-block |
| 19 { |
| 20 background: red url("support/bg-red-2col-2row-320x320.png"); |
| 21 color: transparent; |
| 22 direction: rtl; |
| 23 font: 80px/1 Ahem; |
| 24 height: 320px; |
| 25 position: relative; |
| 26 width: 320px; |
| 27 } |
| 28 |
| 29 div#containing-block > span |
| 30 { |
| 31 background-color: red; |
| 32 color: green; |
| 33 left: 2em; |
| 34 margin-left: 0em; |
| 35 margin-right: 0em; |
| 36 position: absolute; |
| 37 right: 2em; |
| 38 width: 1em; |
| 39 -webkit-writing-mode: vertical-rl; |
| 40 } |
| 41 |
| 42 /* |
| 43 " |
| 44 If none of the three is 'auto': If both 'margin-left' and 'margin-right' are 'au
to', solve the equation under the extra constraint that the two margins get equa
l values, unless this would make them negative, in which case when direction of
the containing block is 'ltr' ('rtl'), set 'margin-left' ('margin-right') to zer
o and solve for 'margin-right' ('margin-left'). If one of 'margin-left' or 'marg
in-right' is 'auto', solve the equation for that value. If the values are over-c
onstrained, ignore the value for 'left' (in case the 'direction' property of the
containing block is 'rtl') or 'right' (in case 'direction' is 'ltr') and solve
for that value. |
| 45 " |
| 46 |
| 47 'left' + 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'paddi
ng-right' + 'border-right-width' + 'margin-right' + 'right' = width of containin
g block |
| 48 |
| 49 So: |
| 50 |
| 51 160px : left |
| 52 + |
| 53 0px : margin-left |
| 54 + |
| 55 0px : border-top-width |
| 56 + |
| 57 0px : padding-top |
| 58 + |
| 59 80px : width |
| 60 + |
| 61 0px : padding-right |
| 62 + |
| 63 0px : border-right-width |
| 64 + |
| 65 0px : margin-right |
| 66 + |
| 67 160px : right |
| 68 ===================== |
| 69 320px : width of containing block |
| 70 |
| 71 gives us: |
| 72 |
| 73 (solve) : left |
| 74 + |
| 75 0px : margin-left |
| 76 + |
| 77 0px : border-top-width |
| 78 + |
| 79 0px : padding-top |
| 80 + |
| 81 80px : width |
| 82 + |
| 83 0px : padding-right |
| 84 + |
| 85 0px : border-right-width |
| 86 + |
| 87 0px : margin-right |
| 88 + |
| 89 160px : right |
| 90 ===================== |
| 91 320px : width of containing block |
| 92 |
| 93 And so computed left value must be 80px . |
| 94 */ |
| 95 |
| 96 ]]></style> |
| 97 |
| 98 </head> |
| 99 |
| 100 <body> |
| 101 |
| 102 <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="3
6" alt="Image download support must be enabled" /></p> |
| 103 |
| 104 <div id="containing-block">1 2 34<span>X</span></div> |
| 105 |
| 106 </body> |
| 107 </html> |
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Chromium Code Reviews
Issue 1157103007:
update-w3c-deps import using blink b712b6ce0eb599d90d890aa609f596c7852fb824 (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master