ttf_parser

Trait FromData

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pub trait FromData: Sized {
    const SIZE: usize;

    // Required method
    fn parse(data: &[u8]) -> Option<Self>;
}
Expand description

A trait for parsing raw binary data of fixed size.

This is a low-level, internal trait that should not be used directly.

Required Associated Constants§

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const SIZE: usize

Object’s raw data size.

Not always the same as mem::size_of.

Required Methods§

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fn parse(data: &[u8]) -> Option<Self>

Parses an object from a raw data.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl FromData for Option<Offset16>

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const SIZE: usize = 2usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for Option<Offset24>

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const SIZE: usize = 3usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for Option<Offset32>

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const SIZE: usize = 4usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for i8

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const SIZE: usize = 1usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for i16

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const SIZE: usize = 2usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for i32

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const SIZE: usize = 4usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for u8

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const SIZE: usize = 1usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for u16

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const SIZE: usize = 2usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for u32

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const SIZE: usize = 4usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for u64

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const SIZE: usize = 8usize

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fn parse(data: &[u8]) -> Option<Self>

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impl FromData for ()

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const SIZE: usize = 0usize

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fn parse(_: &[u8]) -> Option<Self>

Implementors§

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impl FromData for CompositeMode

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const SIZE: usize = 1usize

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impl FromData for GradientExtend

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const SIZE: usize = 1usize

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impl FromData for PlatformId

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const SIZE: usize = 2usize

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impl FromData for Point

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const SIZE: usize = 4usize

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impl FromData for AxisValueMap

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const SIZE: usize = 4usize

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impl FromData for SettingName

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const SIZE: usize = 4usize

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impl FromData for VariationAxis

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const SIZE: usize = 20usize

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impl FromData for Metrics

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const SIZE: usize = 4usize

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impl FromData for KerningPair

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const SIZE: usize = 6usize

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impl FromData for EntryData

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const SIZE: usize = 2usize

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impl FromData for GlyphPart

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const SIZE: usize = 10usize

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impl FromData for GlyphVariant

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const SIZE: usize = 4usize

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impl FromData for PartFlags

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const SIZE: usize = 2usize

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impl FromData for ContextualEntryData

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const SIZE: usize = 4usize

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impl FromData for Feature

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const SIZE: usize = 12usize

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impl FromData for InsertionEntryData

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const SIZE: usize = 4usize

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impl FromData for LookupFlags

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const SIZE: usize = 2usize

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impl FromData for RangeRecord

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const SIZE: usize = 6usize

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impl FromData for SequenceLookupRecord

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const SIZE: usize = 4usize

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impl FromData for AxisRecord

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const SIZE: usize = 8usize

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impl FromData for AxisValue

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const SIZE: usize = 6usize

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impl FromData for AxisValueSubtableFormat1

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const SIZE: usize = 10usize

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impl FromData for AxisValueSubtableFormat2

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const SIZE: usize = 18usize

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impl FromData for AxisValueSubtableFormat3

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const SIZE: usize = 14usize

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impl FromData for Fixed

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const SIZE: usize = 4usize

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impl FromData for GlyphId

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const SIZE: usize = 2usize

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impl FromData for TableRecord

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const SIZE: usize = 16usize

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impl FromData for Tag

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const SIZE: usize = 4usize

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impl FromData for VerticalOriginMetrics

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const SIZE: usize = 4usize

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impl<T: FromData> FromData for GenericStateEntry<T>

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const SIZE: usize = _