Describes a single font face.
1.0
28
Introduced
Gecko 7.0
Inherits from:
nsISupports
Last changed in Gecko 7.0 (Firefox 7.0 / Thunderbird 7.0 / SeaMonkey 2.4)This object describes a single font. It's returned in a list you can get using inIDOMUtils.getUsedFontFaces().
Attributes
Font source attributes
These attributes indicate how the font was found during the font matching process.
Note: The same physical font may have been found in multiple ways within a range.
| Attribute | Type | Description |
fromFontGroup | boolean | Indicates whether or not the font was located in a font group. Read only. |
fromLanguagePrefs | boolean | Indicates whether or not the font was located using language preferences. Read only. |
fromSystemFallback | boolean | Indicates whether or not the font is the system fallback font. Read only. |
Attributes available for all fonts
These attributes are always available.
| Attribute | Type | Description |
CSSFamilyName | DOMString | A family name that could be used in CSS font-family (not necessarily the actual name that was used, due to aliases, generics, localized names, and so on). Read only. |
name | DOMString | Full font name as obtained from the font resource. Read only. |
Attributes only available when specified with @font-face
These attributes only have meaningful values when the font is a user font defined using @font-face.
| Attribute | Type | Description |
format | DOMString | The font format. Read only. |
localName | DOMString | null if not a src:local(...) rule. Read only. |
metadata | DOMString | XML metadata from WOFF file(if any). Read only. |
rule | nsIDOMCSSFontFaceRule | null if no associated @font-face rule. Read only. |
srcIndex | long | Index in the rule's src list, -1 if no @font-face rule. Read only. |
URI | DOMString | null if not a downloaded font, that is local. Read only. |