Trait allsorts_no_std::binary::read::ReadBinaryDep

pub trait ReadBinaryDep<'a> {
    type Args: Clone;
    type HostType: Sized;
    fn read_dep(
        ctxt: &mut ReadCtxt<'a>, 
        args: Self::Args
    ) -> Result<Self::HostType, ParseError>;
}

Associated Types

type Args: Clone

type HostType: Sized

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Required methods

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    args: Self::Args
) -> Result<Self::HostType, ParseError>

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Implementors

impl<'a> ReadBinaryDep<'a> for ImageFormat

type Args = (ImageFormat, Option<BigGlyphMetrics>)

type HostType = GlyphBitmapData<'a>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (format, metrics): Self::Args
) -> Result<Self::HostType, ParseError>

impl<'a> ReadBinaryDep<'a> for CustomCharset<'a>

type Args = usize

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    n_glyphs: usize
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for FDSelect<'a>

type Args = usize

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    n_glyphs: usize
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for PairPos

type HostType = Self

type Args = LayoutCache<GPOS>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for ReverseChainSingleSubst

type HostType = Self

type Args = LayoutCache<GSUB>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

Parse a GSUB Lookup Type 8 Subtable from the given read context

impl<'a> ReadBinaryDep<'a> for SinglePos

type HostType = Self

type Args = LayoutCache<GPOS>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for SingleSubst

type HostType = Self

type Args = LayoutCache<GSUB>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for CompositeGlyphArgument

type Args = CompositeGlyphFlag

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    flags: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for Woff2GlyfTable

type Args = (&'a TableDirectoryEntry, &'a LocaTable<'a>)

type HostType = GlyfTable<'a>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (entry, loca): Self::Args
) -> Result<Self::HostType, ParseError>

impl<'a> ReadBinaryDep<'a> for Woff2HmtxTable

type Args = (&'a TableDirectoryEntry, &'a GlyfTable<'a>, usize, usize)

type HostType = HmtxTable<'a>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (hmtx_entry, glyf, num_glyphs, num_h_metrics): Self::Args
) -> Result<Self::HostType, ParseError>

Read hmtx table from WOFF2 file

num_h_metrics is defined by the hhea table

impl<'a> ReadBinaryDep<'a> for Woff2LocaTable

type Args = (&'a TableDirectoryEntry, usize, IndexToLocFormat)

type HostType = LocaTable<'a>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (loca_entry, num_glyphs, index_to_loc_format): Self::Args
) -> Result<Self::HostType, ParseError>

impl<'a> ReadBinaryDep<'a> for BitmapSize<'a>

type Args = ReadScope<'a>

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cblc_scope: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for Sbix<'a>

type Args = usize

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    num_glyphs: usize
) -> Result<Self, ParseError>

Read the sbix table.

num_glyphs should be read from the maxp table.

impl<'a> ReadBinaryDep<'a> for SbixGlyph<'a>

type Args = usize

type HostType = Self

fn read_dep(ctxt: &mut ReadCtxt<'a>, length: usize) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for SbixStrike<'a>

type Args = usize

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    num_glyphs: usize
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for AlternateSubst

type HostType = Self

type Args = LayoutCache<GSUB>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for Class1Record

type Args = (usize, ValueFormat, ValueFormat)

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    args: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for Class2Record

type Args = (ValueFormat, ValueFormat)

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    args: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for CursivePos

type HostType = Self

type Args = LayoutCache<GPOS>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for FeatureRecord

type Args = ReadScope<'a>

type HostType = FeatureRecord

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    scope: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for LangSysRecord

type Args = ReadScope<'a>

type HostType = LangSysRecord

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    scope: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for LigatureSubst

type HostType = Self

type Args = LayoutCache<GSUB>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for MarkBasePos

type HostType = Self

type Args = LayoutCache<GPOS>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for MarkLigPos

type HostType = Self

type Args = LayoutCache<GPOS>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for MultipleSubst

type HostType = Self

type Args = LayoutCache<GSUB>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for PairSet

type Args = (ValueFormat, ValueFormat)

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    args: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for PairValueRecord

type Args = (ValueFormat, ValueFormat)

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    args: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for ScriptRecord

type Args = ReadScope<'a>

type HostType = ScriptRecord

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    scope: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for CompositeGlyph

type Args = CompositeGlyphFlag

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    flags: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for GlyfTable<'a>

type Args = &'a LocaTable<'a>

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    loca: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for SimpleGlyph

type Args = u16

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    number_of_contours: Self::Args
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for LocaTable<'a>

type Args = (usize, IndexToLocFormat)

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (num_glyphs, index_to_loc_format): (usize, IndexToLocFormat)
) -> Result<Self, ParseError>

Read a loca table from ctxt

• num_glyphs is the number of glyphs in the font. The value for num_glyphs is found in the ‘maxp’ table.
• index_to_loc_format specifies whether the offsets in the loca table are short or long. This value can be read from the head table.

impl<'a> ReadBinaryDep<'a> for Os2

type HostType = Self

type Args = usize

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    table_size: usize
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for HmtxTable<'a>

type Args = (usize, usize)

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (num_glyphs, num_h_metrics): (usize, usize)
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for SVGDocumentRecord<'a>

type Args = ReadScope<'a>

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    scope: ReadScope<'a>
) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for TableDirectoryEntry

type Args = usize

type HostType = Self

fn read_dep(ctxt: &mut ReadCtxt<'a>, offset: usize) -> Result<Self, ParseError>

impl<'a> ReadBinaryDep<'a> for ValueRecord

type Args = ValueFormat

type HostType = Self

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    args: ValueFormat
) -> Result<Self, ParseError>

impl<'a, T> ReadBinaryDep<'a> for T where
    T: ReadBinary<'a>, 

type Args = ()

type HostType = T::HostType

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    (): Self::Args
) -> Result<Self::HostType, ParseError>

impl<'a, T: LayoutTableType> ReadBinaryDep<'a> for ChainContextLookup<T>

type HostType = Self

type Args = LayoutCache<T>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

impl<'a, T: LayoutTableType> ReadBinaryDep<'a> for ContextLookup<T>

type HostType = Self

type Args = LayoutCache<T>

fn read_dep(
    ctxt: &mut ReadCtxt<'a>,
    cache: Self::Args
) -> Result<Self, ParseError>

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