// GENERATED CONTENT - DO NOT EDIT // Content was automatically extracted by Reffy into webref // (https://github.com/w3c/webref) // Source: Font Metrics API Level 1 (https://drafts.css-houdini.org/font-metrics-api-1/) partial interface Document { FontMetrics measureElement(Element element); FontMetrics measureText(DOMString text, StylePropertyMapReadOnly styleMap); }; [Exposed=Window] interface FontMetrics { readonly attribute double width; readonly attribute FrozenArray advances; readonly attribute double boundingBoxLeft; readonly attribute double boundingBoxRight; readonly attribute double height; readonly attribute double emHeightAscent; readonly attribute double emHeightDescent; readonly attribute double boundingBoxAscent; readonly attribute double boundingBoxDescent; readonly attribute double fontBoundingBoxAscent; readonly attribute double fontBoundingBoxDescent; readonly attribute Baseline dominantBaseline; readonly attribute FrozenArray baselines; readonly attribute FrozenArray fonts; }; [Exposed=Window] interface Baseline { readonly attribute DOMString name; readonly attribute double value; }; [Exposed=Window] interface Font { readonly attribute DOMString name; readonly attribute unsigned long glyphsRendered; };