Which version of the official opening?
在 2014年9月11日星期四UTC+8上午8时03分54秒，Daniel Holbert写道： > Summary: The 'object-fit' and 'object-position' properties allow web > > developers to customize how a replaced element's content gets scaled and > > positioned to fit the element's content-box. (i.e. how an image or a > > video gets scaled/positioned inside of an <img>/<video> tag) The > > 'object-fit' property lets authors request e.g. 'contain' or 'cover' > > behavior (or several other behaviors), and 'object-position' lets the > > them specify how the content should be aligned when there's extra space > > available. Together, these properties provide similar functionality to > > the preserveAspectRatio attribute in SVG. > > > > Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=624647 > > > > Link to standard: > > http://dev.w3.org/csswg/css-images-3/#the-object-fit > > http://dev.w3.org/csswg/css-images-3/#the-object-position > > > > Platform coverage: All > > > > Estimated or target release: Firefox 35 > > > > Preference behind which this will be implemented: > > layout.css.object-fit-and-position.enabled > > > > > > NOTE: Last night, I landed preffed-off support for these properties, > > *just in CSS* (from bug 1055285) -- i.e. layout doesn't make use of them > > yet. (So, in tomorrow's nightly with the pref toggled, the properties > > can be parsed and can be inspected via getComputedStyle(), but they have > > no effect on rendering for now.) > > > > ~Daniel _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
