зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
3.0 KiB
HTML
97 строки
3.0 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Writing Modes Test: absolutely positioned non-replaced element - 'direction: rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto'</title>
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
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<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" title="7.1 Principles of Layout in Vertical Writing Modes" />
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<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height" title="10.6.4 Absolutely positioned, non-replaced elements" />
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<link rel="match" href="abs-pos-non-replaced-vlr-009-ref.xht" />
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<meta name="flags" content="ahem image" />
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<meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
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<style type="text/css"><![CDATA[
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@font-face {
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font-family: Ahem;
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src: url("../../../fonts/Ahem.ttf");
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}
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]]></style>
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<style type="text/css"><![CDATA[
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div#containing-block
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{
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background: red url("support/bg-red-2col-2row-320x320.png");
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color: transparent;
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direction: rtl;
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font: 80px/1 Ahem;
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height: 320px;
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position: relative;
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width: 320px;
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writing-mode: vertical-lr;
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}
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div#containing-block > span
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{
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background-color: green;
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height: 1em;
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left: 1em;
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position: absolute;
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right: auto;
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width: 1em;
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}
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/*
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"
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Layout calculation rules (such as those in CSS2.1, Section 10.3) that apply to the horizontal dimension in horizontal writing modes instead apply to the vertical dimension in vertical writing modes.
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"
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7.1 Principles of Layout in Vertical Writing Modes
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http://www.w3.org/TR/css-writing-modes-3/#vertical-layout
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So here, *left properties and *right properties are input into the §10.6.4 algorithms where *left properties refer to *top properties in the layout rules and where *right properties refer to *bottom properties in the layout rules.
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"
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4. 'top' is 'auto', 'height' and 'bottom' are not 'auto', then set 'auto' values for 'margin-top' and 'margin-bottom' to 0, and solve for 'top'
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"
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'left' + 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'border-right-width' + 'margin-right' + 'right' = width of containing block
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So:
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(solve) : right: auto
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+
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0px : margin-right
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+
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0px : border-right-width
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+
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0px : padding-right
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+
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80px : width
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+
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0px : padding-left
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+
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0px : border-left-width
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+
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0px : margin-left
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+
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80px : left
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=====================
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320px : width of containing block
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And so computed right value must be 160px .
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*/
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]]></style>
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</head>
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<body>
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<p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p>
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<div id="containing-block">1 2 34<span></span></div>
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</body>
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</html> |