Module font 

Specified values for font properties

Re-exports

pub use crate::values::computed::font::FontLanguageOverride;

Macros

system_font_methods 🔒

Structs

FontPalette

Allows authors to choose a palette from those supported by a color font (and potentially @font-palette-values overrides).

FontVariantAlternates

List of Variant Alternates

FontVariantEastAsian

Variants for east asian variant

FontVariantLigatures

Variants of ligatures

FontVariantNumeric

Variants of numeric values

KeywordInfo

Additional information for keyword-derived font sizes.

MozScriptMinSize

Specifies the minimum font size allowed due to changes in scriptlevel. Ref: https://wiki.mozilla.org/MathML:mstyle

MozScriptSizeMultiplier

Specifies the multiplier to be used to adjust font size due to changes in scriptlevel.

QueryFontMetricsFlags

Flags for the query_font_metrics() function.

SystemFont

Dummy struct for system font, can never be constructed.

VariantAlternatesParsingFlags 🔒

Flags of variant alternates in bit

XLang

Internal property that reflects the lang attribute

Enums

AbsoluteFontWeight

An absolute font-weight value for a @font-face rule.

FontFamily

Specifies a prioritized list of font family names or generic family names.

FontKerning

https://drafts.csswg.org/css-fonts/#propdef-font-kerning

FontOpticalSizing

https://www.w3.org/TR/css-fonts-4/#font-optical-sizing-def

FontSize

A specified font-size value

FontSizeAdjustFactor

A factor for one of the font-size-adjust metrics, which may be either a number or the from-font keyword.

FontSizeKeyword

CSS font keywords

FontSmoothing

Nonstandard (https://developer.mozilla.org/en-US/docs/Web/CSS/font-smooth)

FontStyle

The specified value of the font-style property.

FontSynthesis

A value for any of the font-synthesis-{weight,small-caps,position} properties.

FontSynthesisStyle

A value for the font-synthesis-style property.

FontVariantCaps

https://drafts.csswg.org/css-fonts/#propdef-font-variant-caps

FontVariantEmoji

https://drafts.csswg.org/css-fonts/#propdef-font-variant-emoji

FontVariantPosition

https://drafts.csswg.org/css-fonts/#propdef-font-variant-position

FontWeight

A specified font-weight value.

FontWidth

A value for the font-width property.

FontWidthKeyword

A keyword value for font-width.

MathDepth

A value for the math-depth property. https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property

MathShift

https://w3c.github.io/mathml-core/#the-math-shift

MathStyle

https://mathml-refresh.github.io/mathml-core/#the-math-style-property

MathVariant

Internal (not web-exposed). Presentation attribute for legacy mathml mathvariant.

MetricsOverride

A metrics override value for a @font-face descriptor

VariantAlternates

Set of variant alternates

XTextScale

How to do font-size scaling.

Constants

DEFAULT_SCRIPT_MIN_SIZE_PT 🔒

DEFAULT_SCRIPT_SIZE_MULTIPLIER 🔒

FONT_MEDIUM_CAP_PX

The default cap height – https://drafts.csswg.org/css-values/#cap

FONT_MEDIUM_CH_PX

The default advance measure – https://drafts.csswg.org/css-values/#ch

FONT_MEDIUM_EX_PX

The default ex height – https://drafts.csswg.org/css-values/#ex

FONT_MEDIUM_IC_PX

The default idographic advance measure – https://drafts.csswg.org/css-values/#ic

FONT_MEDIUM_LINE_HEIGHT_PX

The default line height.

FONT_MEDIUM_PX

The default font size.

FONT_STYLE_OBLIQUE_MAX_ANGLE_DEGREES

From https://drafts.csswg.org/css-fonts-4/#valdef-font-style-oblique-angle:

FONT_STYLE_OBLIQUE_MIN_ANGLE_DEGREES

The minimum angle value that font-style: oblique should compute to.

LARGER_FONT_SIZE_RATIO 🔒

This is the ratio applied for font-size: larger and smaller by both Firefox and Chrome

MAX_FONT_WEIGHT

The maximum font-weight value per:

MIN_FONT_WEIGHT

The minimum font-weight value per:

Functions

map_line_height_leaf 🔒

Maps a line-height calc leaf into a resolved leaf. Percentages are replaced with equivalent em lengths, and all lengths are resolved to absolute lengths.

parse_line_height_number 🔒

Parses a line height value. Percentages in -typed calc expressions are allowed in the line-height property, relative to the computed value of 1em. https://drafts.csswg.org/css-inline/#line-height-property

parse_one_feature_value 🔒

resolve_line_height_length 🔒

Resolves a line-height length into an absolute pixel value, properly applying text scaling and ensuring any lh lengths are resolved against the inherited line-height.

Type Aliases

FontFeatureSettings

This property provides low-level control over OpenType or TrueType font features.

FontSizeAdjust

Specified value for font-size-adjust, intended to help preserve the readability of text when font fallback occurs.

FontVariationSettings

This property provides low-level control over OpenType or TrueType font variations.

LineHeight

A specified value for the line-height property.

SpecifiedFontStyle

The specified value of the font-style property, without the system font crap.