font-metrics-api.idl

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// 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<double> 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<Baseline> baselines;

  readonly attribute FrozenArray<Font> 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;

};