write_fonts/generated/

generated_cmap.rs

// THIS FILE IS AUTOGENERATED.
// Any changes to this file will be overwritten.
// For more information about how codegen works, see font-codegen/README.md

#[allow(unused_imports)]
use crate::codegen_prelude::*;

pub use read_fonts::tables::cmap::PlatformId;

/// [cmap](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#overview)
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap {
    pub encoding_records: Vec<EncodingRecord>,
}

impl Cmap {
    /// Construct a new `Cmap`
    pub fn new(encoding_records: Vec<EncodingRecord>) -> Self {
        Self { encoding_records }
    }
}

impl FontWrite for Cmap {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (0 as u16).write_into(writer);
        (u16::try_from(array_len(&self.encoding_records)).unwrap()).write_into(writer);
        self.encoding_records.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::TopLevel(Cmap::TAG)
    }
}

impl Validate for Cmap {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap", |ctx| {
            ctx.in_field("encoding_records", |ctx| {
                if self.encoding_records.len() > to_usize(u16::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.encoding_records.validate_impl(ctx);
            });
        })
    }
}

impl TopLevelTable for Cmap {
    const TAG: Tag = Tag::new(b"cmap");
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap<'a>> for Cmap {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap {
            encoding_records: obj.encoding_records().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap<'a>> for Cmap {}

impl ReadArgs for Cmap {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [Encoding Record](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#encoding-records-and-encodings)
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct EncodingRecord {
    /// Platform ID.
    pub platform_id: PlatformId,
    /// Platform-specific encoding ID.
    pub encoding_id: u16,
    /// Byte offset from beginning of the [`Cmap`] table to the subtable for this
    /// encoding.
    pub subtable: OffsetMarker<CmapSubtable, WIDTH_32>,
}

impl EncodingRecord {
    /// Construct a new `EncodingRecord`
    pub fn new(platform_id: PlatformId, encoding_id: u16, subtable: CmapSubtable) -> Self {
        Self {
            platform_id,
            encoding_id,
            subtable: subtable.into(),
        }
    }
}

impl FontWrite for EncodingRecord {
    fn write_into(&self, writer: &mut TableWriter) {
        self.platform_id.write_into(writer);
        self.encoding_id.write_into(writer);
        self.subtable.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("EncodingRecord")
    }
}

impl Validate for EncodingRecord {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("EncodingRecord", |ctx| {
            ctx.in_field("subtable", |ctx| {
                self.subtable.validate_impl(ctx);
            });
        })
    }
}

impl FromObjRef<read_fonts::tables::cmap::EncodingRecord> for EncodingRecord {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::EncodingRecord, offset_data: FontData) -> Self {
        EncodingRecord {
            platform_id: obj.platform_id(),
            encoding_id: obj.encoding_id(),
            subtable: obj.subtable(offset_data).to_owned_table(),
        }
    }
}

impl FontWrite for PlatformId {
    fn write_into(&self, writer: &mut TableWriter) {
        let val = *self as u16;
        writer.write_slice(&val.to_be_bytes())
    }
}

/// The different cmap subtable formats.
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub enum CmapSubtable {
    Format0(Cmap0),
    Format2(Cmap2),
    Format4(Cmap4),
    Format6(Cmap6),
    Format8(Cmap8),
    Format10(Cmap10),
    Format12(Cmap12),
    Format13(Cmap13),
    Format14(Cmap14),
}

impl CmapSubtable {
    /// Construct a new `Cmap0` subtable
    pub fn format_0(language: u16, glyph_id_array: Vec<u8>) -> Self {
        Self::Format0(Cmap0::new(language, glyph_id_array))
    }

    /// Construct a new `Cmap2` subtable
    pub fn format_2(length: u16, language: u16, sub_header_keys: Vec<u16>) -> Self {
        Self::Format2(Cmap2::new(length, language, sub_header_keys))
    }

    /// Construct a new `Cmap4` subtable
    pub fn format_4(
        language: u16,
        end_code: Vec<u16>,
        start_code: Vec<u16>,
        id_delta: Vec<i16>,
        id_range_offsets: Vec<u16>,
        glyph_id_array: Vec<u16>,
    ) -> Self {
        Self::Format4(Cmap4::new(
            language,
            end_code,
            start_code,
            id_delta,
            id_range_offsets,
            glyph_id_array,
        ))
    }

    /// Construct a new `Cmap6` subtable
    pub fn format_6(
        length: u16,
        language: u16,
        first_code: u16,
        entry_count: u16,
        glyph_id_array: Vec<u16>,
    ) -> Self {
        Self::Format6(Cmap6::new(
            length,
            language,
            first_code,
            entry_count,
            glyph_id_array,
        ))
    }

    /// Construct a new `Cmap8` subtable
    pub fn format_8(
        length: u32,
        language: u32,
        is32: Vec<u8>,
        num_groups: u32,
        groups: Vec<SequentialMapGroup>,
    ) -> Self {
        Self::Format8(Cmap8::new(length, language, is32, num_groups, groups))
    }

    /// Construct a new `Cmap10` subtable
    pub fn format_10(
        length: u32,
        language: u32,
        start_char_code: u32,
        glyph_id_array: Vec<u16>,
    ) -> Self {
        Self::Format10(Cmap10::new(
            length,
            language,
            start_char_code,
            glyph_id_array,
        ))
    }

    /// Construct a new `Cmap12` subtable
    pub fn format_12(language: u32, groups: Vec<SequentialMapGroup>) -> Self {
        Self::Format12(Cmap12::new(language, groups))
    }

    /// Construct a new `Cmap13` subtable
    pub fn format_13(
        length: u32,
        language: u32,
        num_groups: u32,
        groups: Vec<ConstantMapGroup>,
    ) -> Self {
        Self::Format13(Cmap13::new(length, language, num_groups, groups))
    }

    /// Construct a new `Cmap14` subtable
    pub fn format_14(
        length: u32,
        num_var_selector_records: u32,
        var_selector: Vec<VariationSelector>,
    ) -> Self {
        Self::Format14(Cmap14::new(length, num_var_selector_records, var_selector))
    }
}

impl Default for CmapSubtable {
    fn default() -> Self {
        Self::Format0(Default::default())
    }
}

impl FontWrite for CmapSubtable {
    fn write_into(&self, writer: &mut TableWriter) {
        match self {
            Self::Format0(item) => item.write_into(writer),
            Self::Format2(item) => item.write_into(writer),
            Self::Format4(item) => item.write_into(writer),
            Self::Format6(item) => item.write_into(writer),
            Self::Format8(item) => item.write_into(writer),
            Self::Format10(item) => item.write_into(writer),
            Self::Format12(item) => item.write_into(writer),
            Self::Format13(item) => item.write_into(writer),
            Self::Format14(item) => item.write_into(writer),
        }
    }
    fn table_type(&self) -> TableType {
        match self {
            Self::Format0(item) => item.table_type(),
            Self::Format2(item) => item.table_type(),
            Self::Format4(item) => item.table_type(),
            Self::Format6(item) => item.table_type(),
            Self::Format8(item) => item.table_type(),
            Self::Format10(item) => item.table_type(),
            Self::Format12(item) => item.table_type(),
            Self::Format13(item) => item.table_type(),
            Self::Format14(item) => item.table_type(),
        }
    }
}

impl Validate for CmapSubtable {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        match self {
            Self::Format0(item) => item.validate_impl(ctx),
            Self::Format2(item) => item.validate_impl(ctx),
            Self::Format4(item) => item.validate_impl(ctx),
            Self::Format6(item) => item.validate_impl(ctx),
            Self::Format8(item) => item.validate_impl(ctx),
            Self::Format10(item) => item.validate_impl(ctx),
            Self::Format12(item) => item.validate_impl(ctx),
            Self::Format13(item) => item.validate_impl(ctx),
            Self::Format14(item) => item.validate_impl(ctx),
        }
    }
}

impl FromObjRef<read_fonts::tables::cmap::CmapSubtable<'_>> for CmapSubtable {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::CmapSubtable, _: FontData) -> Self {
        use read_fonts::tables::cmap::CmapSubtable as ObjRefType;
        match obj {
            ObjRefType::Format0(item) => CmapSubtable::Format0(item.to_owned_table()),
            ObjRefType::Format2(item) => CmapSubtable::Format2(item.to_owned_table()),
            ObjRefType::Format4(item) => CmapSubtable::Format4(item.to_owned_table()),
            ObjRefType::Format6(item) => CmapSubtable::Format6(item.to_owned_table()),
            ObjRefType::Format8(item) => CmapSubtable::Format8(item.to_owned_table()),
            ObjRefType::Format10(item) => CmapSubtable::Format10(item.to_owned_table()),
            ObjRefType::Format12(item) => CmapSubtable::Format12(item.to_owned_table()),
            ObjRefType::Format13(item) => CmapSubtable::Format13(item.to_owned_table()),
            ObjRefType::Format14(item) => CmapSubtable::Format14(item.to_owned_table()),
        }
    }
}

impl FromTableRef<read_fonts::tables::cmap::CmapSubtable<'_>> for CmapSubtable {}

impl ReadArgs for CmapSubtable {
    type Args = ();
}

impl<'a> FontRead<'a> for CmapSubtable {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::CmapSubtable as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

impl From<Cmap0> for CmapSubtable {
    fn from(src: Cmap0) -> CmapSubtable {
        CmapSubtable::Format0(src)
    }
}

impl From<Cmap2> for CmapSubtable {
    fn from(src: Cmap2) -> CmapSubtable {
        CmapSubtable::Format2(src)
    }
}

impl From<Cmap4> for CmapSubtable {
    fn from(src: Cmap4) -> CmapSubtable {
        CmapSubtable::Format4(src)
    }
}

impl From<Cmap6> for CmapSubtable {
    fn from(src: Cmap6) -> CmapSubtable {
        CmapSubtable::Format6(src)
    }
}

impl From<Cmap8> for CmapSubtable {
    fn from(src: Cmap8) -> CmapSubtable {
        CmapSubtable::Format8(src)
    }
}

impl From<Cmap10> for CmapSubtable {
    fn from(src: Cmap10) -> CmapSubtable {
        CmapSubtable::Format10(src)
    }
}

impl From<Cmap12> for CmapSubtable {
    fn from(src: Cmap12) -> CmapSubtable {
        CmapSubtable::Format12(src)
    }
}

impl From<Cmap13> for CmapSubtable {
    fn from(src: Cmap13) -> CmapSubtable {
        CmapSubtable::Format13(src)
    }
}

impl From<Cmap14> for CmapSubtable {
    fn from(src: Cmap14) -> CmapSubtable {
        CmapSubtable::Format14(src)
    }
}

/// [cmap Format 0](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-0-byte-encoding-table): Byte encoding table
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap0 {
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u16,
    /// An array that maps character codes to glyph index values.
    pub glyph_id_array: Vec<u8>,
}

impl Cmap0 {
    /// Construct a new `Cmap0`
    pub fn new(language: u16, glyph_id_array: Vec<u8>) -> Self {
        Self {
            language,
            glyph_id_array,
        }
    }
}

impl FontWrite for Cmap0 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (0 as u16).write_into(writer);
        (256 + 6 as u16).write_into(writer);
        self.language.write_into(writer);
        self.glyph_id_array.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap0")
    }
}

impl Validate for Cmap0 {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap0<'a>> for Cmap0 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap0<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap0 {
            language: obj.language(),
            glyph_id_array: obj.glyph_id_array().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap0<'a>> for Cmap0 {}

impl ReadArgs for Cmap0 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap0 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap0 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [cmap Format 2](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-2-high-byte-mapping-through-table): High-byte mapping through table
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap2 {
    /// This is the length in bytes of the subtable.
    pub length: u16,
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u16,
    /// Array that maps high bytes to subHeaders: value is subHeader
    /// index × 8.
    pub sub_header_keys: Vec<u16>,
}

impl Cmap2 {
    /// Construct a new `Cmap2`
    pub fn new(length: u16, language: u16, sub_header_keys: Vec<u16>) -> Self {
        Self {
            length,
            language,
            sub_header_keys,
        }
    }
}

impl FontWrite for Cmap2 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (2 as u16).write_into(writer);
        self.length.write_into(writer);
        self.language.write_into(writer);
        self.sub_header_keys.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap2")
    }
}

impl Validate for Cmap2 {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap2<'a>> for Cmap2 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap2<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap2 {
            length: obj.length(),
            language: obj.language(),
            sub_header_keys: obj.sub_header_keys().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap2<'a>> for Cmap2 {}

impl ReadArgs for Cmap2 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap2 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap2 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// Part of [Cmap2]
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct SubHeader {
    /// First valid low byte for this SubHeader.
    pub first_code: u16,
    /// Number of valid low bytes for this SubHeader.
    pub entry_count: u16,
    /// See text below.
    pub id_delta: i16,
    /// See text below.
    pub id_range_offset: u16,
}

impl SubHeader {
    /// Construct a new `SubHeader`
    pub fn new(first_code: u16, entry_count: u16, id_delta: i16, id_range_offset: u16) -> Self {
        Self {
            first_code,
            entry_count,
            id_delta,
            id_range_offset,
        }
    }
}

impl FontWrite for SubHeader {
    fn write_into(&self, writer: &mut TableWriter) {
        self.first_code.write_into(writer);
        self.entry_count.write_into(writer);
        self.id_delta.write_into(writer);
        self.id_range_offset.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("SubHeader")
    }
}

impl Validate for SubHeader {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl FromObjRef<read_fonts::tables::cmap::SubHeader> for SubHeader {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::SubHeader, _: FontData) -> Self {
        SubHeader {
            first_code: obj.first_code(),
            entry_count: obj.entry_count(),
            id_delta: obj.id_delta(),
            id_range_offset: obj.id_range_offset(),
        }
    }
}

/// [cmap Format 4](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-4-segment-mapping-to-delta-values): Segment mapping to delta values
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap4 {
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u16,
    /// End characterCode for each segment, last=0xFFFF.
    pub end_code: Vec<u16>,
    /// Start character code for each segment.
    pub start_code: Vec<u16>,
    /// Delta for all character codes in segment.
    pub id_delta: Vec<i16>,
    /// Offsets into glyphIdArray or 0
    pub id_range_offsets: Vec<u16>,
    /// Glyph index array (arbitrary length)
    pub glyph_id_array: Vec<u16>,
}

impl Cmap4 {
    /// Construct a new `Cmap4`
    pub fn new(
        language: u16,
        end_code: Vec<u16>,
        start_code: Vec<u16>,
        id_delta: Vec<i16>,
        id_range_offsets: Vec<u16>,
        glyph_id_array: Vec<u16>,
    ) -> Self {
        Self {
            language,
            end_code,
            start_code,
            id_delta,
            id_range_offsets,
            glyph_id_array,
        }
    }
}

impl FontWrite for Cmap4 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (4 as u16).write_into(writer);
        (self.compute_length() as u16).write_into(writer);
        self.language.write_into(writer);
        (u16::try_from(2 * array_len(&self.end_code)).unwrap()).write_into(writer);
        (self.compute_search_range() as u16).write_into(writer);
        (self.compute_entry_selector() as u16).write_into(writer);
        (self.compute_range_shift() as u16).write_into(writer);
        self.end_code.write_into(writer);
        (0 as u16).write_into(writer);
        self.start_code.write_into(writer);
        self.id_delta.write_into(writer);
        self.id_range_offsets.write_into(writer);
        self.glyph_id_array.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap4")
    }
}

impl Validate for Cmap4 {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap4<'a>> for Cmap4 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap4<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap4 {
            language: obj.language(),
            end_code: obj.end_code().to_owned_obj(offset_data),
            start_code: obj.start_code().to_owned_obj(offset_data),
            id_delta: obj.id_delta().to_owned_obj(offset_data),
            id_range_offsets: obj.id_range_offsets().to_owned_obj(offset_data),
            glyph_id_array: obj.glyph_id_array().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap4<'a>> for Cmap4 {}

impl ReadArgs for Cmap4 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap4 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap4 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [cmap Format 6](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-6-trimmed-table-mapping): Trimmed table mapping
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap6 {
    /// This is the length in bytes of the subtable.
    pub length: u16,
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u16,
    /// First character code of subrange.
    pub first_code: u16,
    /// Number of character codes in subrange.
    pub entry_count: u16,
    /// Array of glyph index values for character codes in the range.
    pub glyph_id_array: Vec<u16>,
}

impl Cmap6 {
    /// Construct a new `Cmap6`
    pub fn new(
        length: u16,
        language: u16,
        first_code: u16,
        entry_count: u16,
        glyph_id_array: Vec<u16>,
    ) -> Self {
        Self {
            length,
            language,
            first_code,
            entry_count,
            glyph_id_array,
        }
    }
}

impl FontWrite for Cmap6 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (6 as u16).write_into(writer);
        self.length.write_into(writer);
        self.language.write_into(writer);
        self.first_code.write_into(writer);
        self.entry_count.write_into(writer);
        self.glyph_id_array.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap6")
    }
}

impl Validate for Cmap6 {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap6", |ctx| {
            ctx.in_field("glyph_id_array", |ctx| {
                if self.glyph_id_array.len() > to_usize(u16::MAX) {
                    ctx.report("array exceeds max length");
                }
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap6<'a>> for Cmap6 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap6<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap6 {
            length: obj.length(),
            language: obj.language(),
            first_code: obj.first_code(),
            entry_count: obj.entry_count(),
            glyph_id_array: obj.glyph_id_array().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap6<'a>> for Cmap6 {}

impl ReadArgs for Cmap6 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap6 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap6 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [cmap Format 8](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-8-mixed-16-bit-and-32-bit-coverage): mixed 16-bit and 32-bit coverage
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap8 {
    /// Byte length of this subtable (including the header)
    pub length: u32,
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u32,
    /// Tightly packed array of bits (8K bytes total) indicating
    /// whether the particular 16-bit (index) value is the start of a
    /// 32-bit character code
    pub is32: Vec<u8>,
    /// Number of groupings which follow
    pub num_groups: u32,
    /// Array of SequentialMapGroup records.
    pub groups: Vec<SequentialMapGroup>,
}

impl Cmap8 {
    /// Construct a new `Cmap8`
    pub fn new(
        length: u32,
        language: u32,
        is32: Vec<u8>,
        num_groups: u32,
        groups: Vec<SequentialMapGroup>,
    ) -> Self {
        Self {
            length,
            language,
            is32,
            num_groups,
            groups,
        }
    }
}

impl FontWrite for Cmap8 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (8 as u16).write_into(writer);
        (0 as u16).write_into(writer);
        self.length.write_into(writer);
        self.language.write_into(writer);
        self.is32.write_into(writer);
        self.num_groups.write_into(writer);
        self.groups.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap8")
    }
}

impl Validate for Cmap8 {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap8", |ctx| {
            ctx.in_field("groups", |ctx| {
                if self.groups.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.groups.validate_impl(ctx);
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap8<'a>> for Cmap8 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap8<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap8 {
            length: obj.length(),
            language: obj.language(),
            is32: obj.is32().to_owned_obj(offset_data),
            num_groups: obj.num_groups(),
            groups: obj.groups().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap8<'a>> for Cmap8 {}

impl ReadArgs for Cmap8 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap8 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap8 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// Used in [Cmap8] and [Cmap12]
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct SequentialMapGroup {
    /// First character code in this group; note that if this group is
    /// for one or more 16-bit character codes (which is determined
    /// from the is32 array), this 32-bit value will have the high
    /// 16-bits set to zero
    pub start_char_code: u32,
    /// Last character code in this group; same condition as listed
    /// above for the startCharCode
    pub end_char_code: u32,
    /// Glyph index corresponding to the starting character code
    pub start_glyph_id: u32,
}

impl SequentialMapGroup {
    /// Construct a new `SequentialMapGroup`
    pub fn new(start_char_code: u32, end_char_code: u32, start_glyph_id: u32) -> Self {
        Self {
            start_char_code,
            end_char_code,
            start_glyph_id,
        }
    }
}

impl FontWrite for SequentialMapGroup {
    fn write_into(&self, writer: &mut TableWriter) {
        self.start_char_code.write_into(writer);
        self.end_char_code.write_into(writer);
        self.start_glyph_id.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("SequentialMapGroup")
    }
}

impl Validate for SequentialMapGroup {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl FromObjRef<read_fonts::tables::cmap::SequentialMapGroup> for SequentialMapGroup {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::SequentialMapGroup, _: FontData) -> Self {
        SequentialMapGroup {
            start_char_code: obj.start_char_code(),
            end_char_code: obj.end_char_code(),
            start_glyph_id: obj.start_glyph_id(),
        }
    }
}

/// [cmap Format 10](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-10-trimmed-array): Tr
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap10 {
    /// Byte length of this subtable (including the header)
    pub length: u32,
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u32,
    /// First character code covered
    pub start_char_code: u32,
    /// Array of glyph indices for the character codes covered
    pub glyph_id_array: Vec<u16>,
}

impl Cmap10 {
    /// Construct a new `Cmap10`
    pub fn new(length: u32, language: u32, start_char_code: u32, glyph_id_array: Vec<u16>) -> Self {
        Self {
            length,
            language,
            start_char_code,
            glyph_id_array,
        }
    }
}

impl FontWrite for Cmap10 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (10 as u16).write_into(writer);
        (0 as u16).write_into(writer);
        self.length.write_into(writer);
        self.language.write_into(writer);
        self.start_char_code.write_into(writer);
        (u32::try_from(array_len(&self.glyph_id_array)).unwrap()).write_into(writer);
        self.glyph_id_array.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap10")
    }
}

impl Validate for Cmap10 {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap10", |ctx| {
            ctx.in_field("glyph_id_array", |ctx| {
                if self.glyph_id_array.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap10<'a>> for Cmap10 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap10<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap10 {
            length: obj.length(),
            language: obj.language(),
            start_char_code: obj.start_char_code(),
            glyph_id_array: obj.glyph_id_array().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap10<'a>> for Cmap10 {}

impl ReadArgs for Cmap10 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap10 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap10 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [cmap Format 12](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-12-segmented-coverage): Segmented coverage
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap12 {
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u32,
    /// Array of SequentialMapGroup records.
    pub groups: Vec<SequentialMapGroup>,
}

impl Cmap12 {
    /// Construct a new `Cmap12`
    pub fn new(language: u32, groups: Vec<SequentialMapGroup>) -> Self {
        Self { language, groups }
    }
}

impl FontWrite for Cmap12 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (12 as u16).write_into(writer);
        (0 as u16).write_into(writer);
        (self.compute_length() as u32).write_into(writer);
        self.language.write_into(writer);
        (u32::try_from(array_len(&self.groups)).unwrap()).write_into(writer);
        self.groups.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap12")
    }
}

impl Validate for Cmap12 {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap12", |ctx| {
            ctx.in_field("groups", |ctx| {
                if self.groups.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.groups.validate_impl(ctx);
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap12<'a>> for Cmap12 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap12<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap12 {
            language: obj.language(),
            groups: obj.groups().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap12<'a>> for Cmap12 {}

impl ReadArgs for Cmap12 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap12 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap12 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [cmap Format 13](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-13-many-to-one-range-mappings): Many-to-one range mappings
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap13 {
    /// Byte length of this subtable (including the header)
    pub length: u32,
    /// For requirements on use of the language field, see “Use of
    /// the language field in 'cmap' subtables” in this document.
    pub language: u32,
    /// Number of groupings which follow
    pub num_groups: u32,
    /// Array of ConstantMapGroup records.
    pub groups: Vec<ConstantMapGroup>,
}

impl Cmap13 {
    /// Construct a new `Cmap13`
    pub fn new(length: u32, language: u32, num_groups: u32, groups: Vec<ConstantMapGroup>) -> Self {
        Self {
            length,
            language,
            num_groups,
            groups,
        }
    }
}

impl FontWrite for Cmap13 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (13 as u16).write_into(writer);
        (0 as u16).write_into(writer);
        self.length.write_into(writer);
        self.language.write_into(writer);
        self.num_groups.write_into(writer);
        self.groups.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap13")
    }
}

impl Validate for Cmap13 {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap13", |ctx| {
            ctx.in_field("groups", |ctx| {
                if self.groups.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.groups.validate_impl(ctx);
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap13<'a>> for Cmap13 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap13<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap13 {
            length: obj.length(),
            language: obj.language(),
            num_groups: obj.num_groups(),
            groups: obj.groups().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap13<'a>> for Cmap13 {}

impl ReadArgs for Cmap13 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap13 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap13 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// Part of [Cmap13]
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct ConstantMapGroup {
    /// First character code in this group
    pub start_char_code: u32,
    /// Last character code in this group
    pub end_char_code: u32,
    /// Glyph index to be used for all the characters in the group’s
    /// range.
    pub glyph_id: u32,
}

impl ConstantMapGroup {
    /// Construct a new `ConstantMapGroup`
    pub fn new(start_char_code: u32, end_char_code: u32, glyph_id: u32) -> Self {
        Self {
            start_char_code,
            end_char_code,
            glyph_id,
        }
    }
}

impl FontWrite for ConstantMapGroup {
    fn write_into(&self, writer: &mut TableWriter) {
        self.start_char_code.write_into(writer);
        self.end_char_code.write_into(writer);
        self.glyph_id.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("ConstantMapGroup")
    }
}

impl Validate for ConstantMapGroup {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl FromObjRef<read_fonts::tables::cmap::ConstantMapGroup> for ConstantMapGroup {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::ConstantMapGroup, _: FontData) -> Self {
        ConstantMapGroup {
            start_char_code: obj.start_char_code(),
            end_char_code: obj.end_char_code(),
            glyph_id: obj.glyph_id(),
        }
    }
}

/// [cmap Format 14](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-14-unicode-variation-sequences): Unicode Variation Sequences
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Cmap14 {
    /// Byte length of this subtable (including this header)
    pub length: u32,
    /// Number of variation Selector Records
    pub num_var_selector_records: u32,
    /// Array of VariationSelector records.
    pub var_selector: Vec<VariationSelector>,
}

impl Cmap14 {
    /// Construct a new `Cmap14`
    pub fn new(
        length: u32,
        num_var_selector_records: u32,
        var_selector: Vec<VariationSelector>,
    ) -> Self {
        Self {
            length,
            num_var_selector_records,
            var_selector,
        }
    }
}

impl FontWrite for Cmap14 {
    #[allow(clippy::unnecessary_cast)]
    fn write_into(&self, writer: &mut TableWriter) {
        (14 as u16).write_into(writer);
        self.length.write_into(writer);
        self.num_var_selector_records.write_into(writer);
        self.var_selector.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("Cmap14")
    }
}

impl Validate for Cmap14 {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("Cmap14", |ctx| {
            ctx.in_field("var_selector", |ctx| {
                if self.var_selector.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.var_selector.validate_impl(ctx);
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::Cmap14<'a>> for Cmap14 {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::Cmap14<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        Cmap14 {
            length: obj.length(),
            num_var_selector_records: obj.num_var_selector_records(),
            var_selector: obj.var_selector().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::Cmap14<'a>> for Cmap14 {}

impl ReadArgs for Cmap14 {
    type Args = ();
}

impl<'a> FontRead<'a> for Cmap14 {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::Cmap14 as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// Part of [Cmap14]
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct VariationSelector {
    /// Variation selector
    pub var_selector: Uint24,
    /// Offset from the start of the [`Cmap14`] subtable to Default UVS
    /// Table. May be NULL.
    pub default_uvs: NullableOffsetMarker<DefaultUvs, WIDTH_32>,
    /// Offset from the start of the [`Cmap14`] subtable to Non-Default
    /// UVS Table. May be NULL.
    pub non_default_uvs: NullableOffsetMarker<NonDefaultUvs, WIDTH_32>,
}

impl VariationSelector {
    /// Construct a new `VariationSelector`
    pub fn new(
        var_selector: Uint24,
        default_uvs: Option<DefaultUvs>,
        non_default_uvs: Option<NonDefaultUvs>,
    ) -> Self {
        Self {
            var_selector,
            default_uvs: default_uvs.into(),
            non_default_uvs: non_default_uvs.into(),
        }
    }
}

impl FontWrite for VariationSelector {
    fn write_into(&self, writer: &mut TableWriter) {
        self.var_selector.write_into(writer);
        self.default_uvs.write_into(writer);
        self.non_default_uvs.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("VariationSelector")
    }
}

impl Validate for VariationSelector {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("VariationSelector", |ctx| {
            ctx.in_field("default_uvs", |ctx| {
                self.default_uvs.validate_impl(ctx);
            });
            ctx.in_field("non_default_uvs", |ctx| {
                self.non_default_uvs.validate_impl(ctx);
            });
        })
    }
}

impl FromObjRef<read_fonts::tables::cmap::VariationSelector> for VariationSelector {
    fn from_obj_ref(
        obj: &read_fonts::tables::cmap::VariationSelector,
        offset_data: FontData,
    ) -> Self {
        VariationSelector {
            var_selector: obj.var_selector(),
            default_uvs: obj.default_uvs(offset_data).to_owned_table(),
            non_default_uvs: obj.non_default_uvs(offset_data).to_owned_table(),
        }
    }
}

/// [Default UVS table](https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#default-uvs-table)
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct DefaultUvs {
    /// Number of Unicode character ranges.
    pub num_unicode_value_ranges: u32,
    /// Array of UnicodeRange records.
    pub ranges: Vec<UnicodeRange>,
}

impl DefaultUvs {
    /// Construct a new `DefaultUvs`
    pub fn new(num_unicode_value_ranges: u32, ranges: Vec<UnicodeRange>) -> Self {
        Self {
            num_unicode_value_ranges,
            ranges,
        }
    }
}

impl FontWrite for DefaultUvs {
    fn write_into(&self, writer: &mut TableWriter) {
        self.num_unicode_value_ranges.write_into(writer);
        self.ranges.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("DefaultUvs")
    }
}

impl Validate for DefaultUvs {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("DefaultUvs", |ctx| {
            ctx.in_field("ranges", |ctx| {
                if self.ranges.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.ranges.validate_impl(ctx);
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::DefaultUvs<'a>> for DefaultUvs {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::DefaultUvs<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        DefaultUvs {
            num_unicode_value_ranges: obj.num_unicode_value_ranges(),
            ranges: obj.ranges().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::DefaultUvs<'a>> for DefaultUvs {}

impl ReadArgs for DefaultUvs {
    type Args = ();
}

impl<'a> FontRead<'a> for DefaultUvs {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::DefaultUvs as FontRead>::read(data).map(|x| x.to_owned_table())
    }
}

/// [Non-Default UVS table](https://learn.microsoft.com/en-us/typography/opentype/spec/cmap#non-default-uvs-table)
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct NonDefaultUvs {
    pub num_uvs_mappings: u32,
    pub uvs_mapping: Vec<UvsMapping>,
}

impl NonDefaultUvs {
    /// Construct a new `NonDefaultUvs`
    pub fn new(num_uvs_mappings: u32, uvs_mapping: Vec<UvsMapping>) -> Self {
        Self {
            num_uvs_mappings,
            uvs_mapping,
        }
    }
}

impl FontWrite for NonDefaultUvs {
    fn write_into(&self, writer: &mut TableWriter) {
        self.num_uvs_mappings.write_into(writer);
        self.uvs_mapping.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("NonDefaultUvs")
    }
}

impl Validate for NonDefaultUvs {
    fn validate_impl(&self, ctx: &mut ValidationCtx) {
        ctx.in_table("NonDefaultUvs", |ctx| {
            ctx.in_field("uvs_mapping", |ctx| {
                if self.uvs_mapping.len() > to_usize(u32::MAX) {
                    ctx.report("array exceeds max length");
                }
                self.uvs_mapping.validate_impl(ctx);
            });
        })
    }
}

impl<'a> FromObjRef<read_fonts::tables::cmap::NonDefaultUvs<'a>> for NonDefaultUvs {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::NonDefaultUvs<'a>, _: FontData) -> Self {
        let offset_data = obj.offset_data();
        NonDefaultUvs {
            num_uvs_mappings: obj.num_uvs_mappings(),
            uvs_mapping: obj.uvs_mapping().to_owned_obj(offset_data),
        }
    }
}

#[allow(clippy::needless_lifetimes)]
impl<'a> FromTableRef<read_fonts::tables::cmap::NonDefaultUvs<'a>> for NonDefaultUvs {}

impl ReadArgs for NonDefaultUvs {
    type Args = ();
}

impl<'a> FontRead<'a> for NonDefaultUvs {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        <read_fonts::tables::cmap::NonDefaultUvs as FontRead>::read(data)
            .map(|x| x.to_owned_table())
    }
}

/// Part of [Cmap14]
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct UvsMapping {
    /// Base Unicode value of the UVS
    pub unicode_value: Uint24,
    /// Glyph ID of the UVS
    pub glyph_id: u16,
}

impl UvsMapping {
    /// Construct a new `UvsMapping`
    pub fn new(unicode_value: Uint24, glyph_id: u16) -> Self {
        Self {
            unicode_value,
            glyph_id,
        }
    }
}

impl FontWrite for UvsMapping {
    fn write_into(&self, writer: &mut TableWriter) {
        self.unicode_value.write_into(writer);
        self.glyph_id.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("UvsMapping")
    }
}

impl Validate for UvsMapping {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl FromObjRef<read_fonts::tables::cmap::UvsMapping> for UvsMapping {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::UvsMapping, _: FontData) -> Self {
        UvsMapping {
            unicode_value: obj.unicode_value(),
            glyph_id: obj.glyph_id(),
        }
    }
}

/// Part of [Cmap14]
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct UnicodeRange {
    /// First value in this range
    pub start_unicode_value: Uint24,
    /// Number of additional values in this range
    pub additional_count: u8,
}

impl UnicodeRange {
    /// Construct a new `UnicodeRange`
    pub fn new(start_unicode_value: Uint24, additional_count: u8) -> Self {
        Self {
            start_unicode_value,
            additional_count,
        }
    }
}

impl FontWrite for UnicodeRange {
    fn write_into(&self, writer: &mut TableWriter) {
        self.start_unicode_value.write_into(writer);
        self.additional_count.write_into(writer);
    }
    fn table_type(&self) -> TableType {
        TableType::Named("UnicodeRange")
    }
}

impl Validate for UnicodeRange {
    fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}

impl FromObjRef<read_fonts::tables::cmap::UnicodeRange> for UnicodeRange {
    fn from_obj_ref(obj: &read_fonts::tables::cmap::UnicodeRange, _: FontData) -> Self {
        UnicodeRange {
            start_unicode_value: obj.start_unicode_value(),
            additional_count: obj.additional_count(),
        }
    }
}