Enum VerticalFontMetric

pub enum VerticalFontMetric {
    Ascender,
    CapHeight,
    XHeight,
    Baseline,
    Descender,
}

Identifies a vertical metric of a font.

Variants

Ascender

The font’s ascender, which typically exceeds the height of all glyphs.

CapHeight

The approximate height of uppercase letters.

XHeight

The approximate height of non-ascending lowercase letters.

Baseline

The baseline on which the letters rest.

Descender

The font’s ascender, which typically exceeds the depth of all glyphs.

Trait Implementations

impl Clone for VerticalFontMetric

fn clone(&self) -> VerticalFontMetric

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VerticalFontMetric

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromValue for VerticalFontMetric

fn from_value(value: Value) -> HintedStrResult<Self>

Try to cast the value into an instance of Self.

impl Hash for VerticalFontMetric

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl IntoValue for VerticalFontMetric

fn into_value(self) -> Value

Cast this type into a value.

impl PartialEq for VerticalFontMetric

fn eq(&self, other: &VerticalFontMetric) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Reflect for VerticalFontMetric

fn input() -> CastInfo

Describe what can be cast into this value.

fn output() -> CastInfo

Describe what this value can be cast into.

fn castable(value: &Value) -> bool

Whether the given value can be converted to T.

fn error(found: &Value) -> HintedString

Produce an error message for an unacceptable value type.

impl TryInto<VerticalFontMetric> for BottomEdgeMetric

type Error = ()

The type returned in the event of a conversion error.

fn try_into(self) -> Result<VerticalFontMetric, Self::Error>

Performs the conversion.

impl TryInto<VerticalFontMetric> for TopEdgeMetric

type Error = ()

The type returned in the event of a conversion error.

fn try_into(self) -> Result<VerticalFontMetric, Self::Error>

Performs the conversion.

impl Copy for VerticalFontMetric

impl Eq for VerticalFontMetric

impl StructuralPartialEq for VerticalFontMetric