// 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::*;
/// [GDEF](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#gdef-header) 1.0
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct GdefMarker {
mark_glyph_sets_def_offset_byte_start: Option<usize>,
item_var_store_offset_byte_start: Option<usize>,
}
impl GdefMarker {
fn version_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + MajorMinor::RAW_BYTE_LEN
}
fn glyph_class_def_offset_byte_range(&self) -> Range<usize> {
let start = self.version_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn attach_list_offset_byte_range(&self) -> Range<usize> {
let start = self.glyph_class_def_offset_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn lig_caret_list_offset_byte_range(&self) -> Range<usize> {
let start = self.attach_list_offset_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn mark_attach_class_def_offset_byte_range(&self) -> Range<usize> {
let start = self.lig_caret_list_offset_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn mark_glyph_sets_def_offset_byte_range(&self) -> Option<Range<usize>> {
let start = self.mark_glyph_sets_def_offset_byte_start?;
Some(start..start + Offset16::RAW_BYTE_LEN)
}
fn item_var_store_offset_byte_range(&self) -> Option<Range<usize>> {
let start = self.item_var_store_offset_byte_start?;
Some(start..start + Offset32::RAW_BYTE_LEN)
}
}
impl TopLevelTable for Gdef<'_> {
/// `GDEF`
const TAG: Tag = Tag::new(b"GDEF");
}
impl<'a> FontRead<'a> for Gdef<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let version: MajorMinor = cursor.read()?;
cursor.advance::<Offset16>();
cursor.advance::<Offset16>();
cursor.advance::<Offset16>();
cursor.advance::<Offset16>();
let mark_glyph_sets_def_offset_byte_start = version
.compatible((1u16, 2u16))
.then(|| cursor.position())
.transpose()?;
version
.compatible((1u16, 2u16))
.then(|| cursor.advance::<Offset16>());
let item_var_store_offset_byte_start = version
.compatible((1u16, 3u16))
.then(|| cursor.position())
.transpose()?;
version
.compatible((1u16, 3u16))
.then(|| cursor.advance::<Offset32>());
cursor.finish(GdefMarker {
mark_glyph_sets_def_offset_byte_start,
item_var_store_offset_byte_start,
})
}
}
/// [GDEF](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#gdef-header) 1.0
pub type Gdef<'a> = TableRef<'a, GdefMarker>;
impl<'a> Gdef<'a> {
/// The major/minor version of the GDEF table
pub fn version(&self) -> MajorMinor {
let range = self.shape.version_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Offset to class definition table for glyph type, from beginning
/// of GDEF header (may be NULL)
pub fn glyph_class_def_offset(&self) -> Nullable<Offset16> {
let range = self.shape.glyph_class_def_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`glyph_class_def_offset`][Self::glyph_class_def_offset].
pub fn glyph_class_def(&self) -> Option<Result<ClassDef<'a>, ReadError>> {
let data = self.data;
self.glyph_class_def_offset().resolve(data)
}
/// Offset to attachment point list table, from beginning of GDEF
/// header (may be NULL)
pub fn attach_list_offset(&self) -> Nullable<Offset16> {
let range = self.shape.attach_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`attach_list_offset`][Self::attach_list_offset].
pub fn attach_list(&self) -> Option<Result<AttachList<'a>, ReadError>> {
let data = self.data;
self.attach_list_offset().resolve(data)
}
/// Offset to ligature caret list table, from beginning of GDEF
/// header (may be NULL)
pub fn lig_caret_list_offset(&self) -> Nullable<Offset16> {
let range = self.shape.lig_caret_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`lig_caret_list_offset`][Self::lig_caret_list_offset].
pub fn lig_caret_list(&self) -> Option<Result<LigCaretList<'a>, ReadError>> {
let data = self.data;
self.lig_caret_list_offset().resolve(data)
}
/// Offset to class definition table for mark attachment type, from
/// beginning of GDEF header (may be NULL)
pub fn mark_attach_class_def_offset(&self) -> Nullable<Offset16> {
let range = self.shape.mark_attach_class_def_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`mark_attach_class_def_offset`][Self::mark_attach_class_def_offset].
pub fn mark_attach_class_def(&self) -> Option<Result<ClassDef<'a>, ReadError>> {
let data = self.data;
self.mark_attach_class_def_offset().resolve(data)
}
/// Offset to the table of mark glyph set definitions, from
/// beginning of GDEF header (may be NULL)
pub fn mark_glyph_sets_def_offset(&self) -> Option<Nullable<Offset16>> {
let range = self.shape.mark_glyph_sets_def_offset_byte_range()?;
Some(self.data.read_at(range.start).unwrap())
}
/// Attempt to resolve [`mark_glyph_sets_def_offset`][Self::mark_glyph_sets_def_offset].
pub fn mark_glyph_sets_def(&self) -> Option<Result<MarkGlyphSets<'a>, ReadError>> {
let data = self.data;
self.mark_glyph_sets_def_offset().map(|x| x.resolve(data))?
}
/// Offset to the Item Variation Store table, from beginning of
/// GDEF header (may be NULL)
pub fn item_var_store_offset(&self) -> Option<Nullable<Offset32>> {
let range = self.shape.item_var_store_offset_byte_range()?;
Some(self.data.read_at(range.start).unwrap())
}
/// Attempt to resolve [`item_var_store_offset`][Self::item_var_store_offset].
pub fn item_var_store(&self) -> Option<Result<ItemVariationStore<'a>, ReadError>> {
let data = self.data;
self.item_var_store_offset().map(|x| x.resolve(data))?
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for Gdef<'a> {
fn type_name(&self) -> &str {
"Gdef"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
let version = self.version();
match idx {
0usize => Some(Field::new("version", self.version())),
1usize => Some(Field::new(
"glyph_class_def_offset",
FieldType::offset(self.glyph_class_def_offset(), self.glyph_class_def()),
)),
2usize => Some(Field::new(
"attach_list_offset",
FieldType::offset(self.attach_list_offset(), self.attach_list()),
)),
3usize => Some(Field::new(
"lig_caret_list_offset",
FieldType::offset(self.lig_caret_list_offset(), self.lig_caret_list()),
)),
4usize => Some(Field::new(
"mark_attach_class_def_offset",
FieldType::offset(
self.mark_attach_class_def_offset(),
self.mark_attach_class_def(),
),
)),
5usize if version.compatible((1u16, 2u16)) => Some(Field::new(
"mark_glyph_sets_def_offset",
FieldType::offset(
self.mark_glyph_sets_def_offset().unwrap(),
self.mark_glyph_sets_def().unwrap(),
),
)),
6usize if version.compatible((1u16, 3u16)) => Some(Field::new(
"item_var_store_offset",
FieldType::offset(
self.item_var_store_offset().unwrap(),
self.item_var_store().unwrap(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for Gdef<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// Used in the [Glyph Class Definition Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#glyph-class-definition-table)
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Hash, PartialOrd, Ord)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[repr(u16)]
#[allow(clippy::manual_non_exhaustive)]
pub enum GlyphClassDef {
#[default]
Base = 1,
Ligature = 2,
Mark = 3,
Component = 4,
#[doc(hidden)]
/// If font data is malformed we will map unknown values to this variant
Unknown,
}
impl GlyphClassDef {
/// Create from a raw scalar.
///
/// This will never fail; unknown values will be mapped to the `Unknown` variant
pub fn new(raw: u16) -> Self {
match raw {
1 => Self::Base,
2 => Self::Ligature,
3 => Self::Mark,
4 => Self::Component,
_ => Self::Unknown,
}
}
}
impl font_types::Scalar for GlyphClassDef {
type Raw = <u16 as font_types::Scalar>::Raw;
fn to_raw(self) -> Self::Raw {
(self as u16).to_raw()
}
fn from_raw(raw: Self::Raw) -> Self {
let t = <u16>::from_raw(raw);
Self::new(t)
}
}
#[cfg(feature = "traversal")]
impl<'a> From<GlyphClassDef> for FieldType<'a> {
fn from(src: GlyphClassDef) -> FieldType<'a> {
(src as u16).into()
}
}
/// [Attachment Point List Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#attachment-point-list-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct AttachListMarker {
attach_point_offsets_byte_len: usize,
}
impl AttachListMarker {
fn coverage_offset_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + Offset16::RAW_BYTE_LEN
}
fn glyph_count_byte_range(&self) -> Range<usize> {
let start = self.coverage_offset_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn attach_point_offsets_byte_range(&self) -> Range<usize> {
let start = self.glyph_count_byte_range().end;
start..start + self.attach_point_offsets_byte_len
}
}
impl<'a> FontRead<'a> for AttachList<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<Offset16>();
let glyph_count: u16 = cursor.read()?;
let attach_point_offsets_byte_len = (glyph_count as usize)
.checked_mul(Offset16::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(attach_point_offsets_byte_len);
cursor.finish(AttachListMarker {
attach_point_offsets_byte_len,
})
}
}
/// [Attachment Point List Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#attachment-point-list-table)
pub type AttachList<'a> = TableRef<'a, AttachListMarker>;
impl<'a> AttachList<'a> {
/// Offset to Coverage table - from beginning of AttachList table
pub fn coverage_offset(&self) -> Offset16 {
let range = self.shape.coverage_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`coverage_offset`][Self::coverage_offset].
pub fn coverage(&self) -> Result<CoverageTable<'a>, ReadError> {
let data = self.data;
self.coverage_offset().resolve(data)
}
/// Number of glyphs with attachment points
pub fn glyph_count(&self) -> u16 {
let range = self.shape.glyph_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of offsets to AttachPoint tables-from beginning of
/// AttachList table-in Coverage Index order
pub fn attach_point_offsets(&self) -> &'a [BigEndian<Offset16>] {
let range = self.shape.attach_point_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`attach_point_offsets`][Self::attach_point_offsets].
pub fn attach_points(&self) -> ArrayOfOffsets<'a, AttachPoint<'a>, Offset16> {
let data = self.data;
let offsets = self.attach_point_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for AttachList<'a> {
fn type_name(&self) -> &str {
"AttachList"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new(
"coverage_offset",
FieldType::offset(self.coverage_offset(), self.coverage()),
)),
1usize => Some(Field::new("glyph_count", self.glyph_count())),
2usize => Some({
let data = self.data;
Field::new(
"attach_point_offsets",
FieldType::array_of_offsets(
better_type_name::<AttachPoint>(),
self.attach_point_offsets(),
move |off| {
let target = off.get().resolve::<AttachPoint>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for AttachList<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// Part of [AttachList]
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct AttachPointMarker {
point_indices_byte_len: usize,
}
impl AttachPointMarker {
fn point_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn point_indices_byte_range(&self) -> Range<usize> {
let start = self.point_count_byte_range().end;
start..start + self.point_indices_byte_len
}
}
impl<'a> FontRead<'a> for AttachPoint<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let point_count: u16 = cursor.read()?;
let point_indices_byte_len = (point_count as usize)
.checked_mul(u16::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(point_indices_byte_len);
cursor.finish(AttachPointMarker {
point_indices_byte_len,
})
}
}
/// Part of [AttachList]
pub type AttachPoint<'a> = TableRef<'a, AttachPointMarker>;
impl<'a> AttachPoint<'a> {
/// Number of attachment points on this glyph
pub fn point_count(&self) -> u16 {
let range = self.shape.point_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of contour point indices -in increasing numerical order
pub fn point_indices(&self) -> &'a [BigEndian<u16>] {
let range = self.shape.point_indices_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for AttachPoint<'a> {
fn type_name(&self) -> &str {
"AttachPoint"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("point_count", self.point_count())),
1usize => Some(Field::new("point_indices", self.point_indices())),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for AttachPoint<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [Ligature Caret List Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#ligature-caret-list-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct LigCaretListMarker {
lig_glyph_offsets_byte_len: usize,
}
impl LigCaretListMarker {
fn coverage_offset_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + Offset16::RAW_BYTE_LEN
}
fn lig_glyph_count_byte_range(&self) -> Range<usize> {
let start = self.coverage_offset_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn lig_glyph_offsets_byte_range(&self) -> Range<usize> {
let start = self.lig_glyph_count_byte_range().end;
start..start + self.lig_glyph_offsets_byte_len
}
}
impl<'a> FontRead<'a> for LigCaretList<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<Offset16>();
let lig_glyph_count: u16 = cursor.read()?;
let lig_glyph_offsets_byte_len = (lig_glyph_count as usize)
.checked_mul(Offset16::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(lig_glyph_offsets_byte_len);
cursor.finish(LigCaretListMarker {
lig_glyph_offsets_byte_len,
})
}
}
/// [Ligature Caret List Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#ligature-caret-list-table)
pub type LigCaretList<'a> = TableRef<'a, LigCaretListMarker>;
impl<'a> LigCaretList<'a> {
/// Offset to Coverage table - from beginning of LigCaretList table
pub fn coverage_offset(&self) -> Offset16 {
let range = self.shape.coverage_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`coverage_offset`][Self::coverage_offset].
pub fn coverage(&self) -> Result<CoverageTable<'a>, ReadError> {
let data = self.data;
self.coverage_offset().resolve(data)
}
/// Number of ligature glyphs
pub fn lig_glyph_count(&self) -> u16 {
let range = self.shape.lig_glyph_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of offsets to LigGlyph tables, from beginning of
/// LigCaretList table —in Coverage Index order
pub fn lig_glyph_offsets(&self) -> &'a [BigEndian<Offset16>] {
let range = self.shape.lig_glyph_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`lig_glyph_offsets`][Self::lig_glyph_offsets].
pub fn lig_glyphs(&self) -> ArrayOfOffsets<'a, LigGlyph<'a>, Offset16> {
let data = self.data;
let offsets = self.lig_glyph_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for LigCaretList<'a> {
fn type_name(&self) -> &str {
"LigCaretList"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new(
"coverage_offset",
FieldType::offset(self.coverage_offset(), self.coverage()),
)),
1usize => Some(Field::new("lig_glyph_count", self.lig_glyph_count())),
2usize => Some({
let data = self.data;
Field::new(
"lig_glyph_offsets",
FieldType::array_of_offsets(
better_type_name::<LigGlyph>(),
self.lig_glyph_offsets(),
move |off| {
let target = off.get().resolve::<LigGlyph>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for LigCaretList<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [Ligature Glyph Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#ligature-glyph-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct LigGlyphMarker {
caret_value_offsets_byte_len: usize,
}
impl LigGlyphMarker {
fn caret_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn caret_value_offsets_byte_range(&self) -> Range<usize> {
let start = self.caret_count_byte_range().end;
start..start + self.caret_value_offsets_byte_len
}
}
impl<'a> FontRead<'a> for LigGlyph<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let caret_count: u16 = cursor.read()?;
let caret_value_offsets_byte_len = (caret_count as usize)
.checked_mul(Offset16::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(caret_value_offsets_byte_len);
cursor.finish(LigGlyphMarker {
caret_value_offsets_byte_len,
})
}
}
/// [Ligature Glyph Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#ligature-glyph-table)
pub type LigGlyph<'a> = TableRef<'a, LigGlyphMarker>;
impl<'a> LigGlyph<'a> {
/// Number of CaretValue tables for this ligature (components - 1)
pub fn caret_count(&self) -> u16 {
let range = self.shape.caret_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of offsets to CaretValue tables, from beginning of
/// LigGlyph table — in increasing coordinate order
pub fn caret_value_offsets(&self) -> &'a [BigEndian<Offset16>] {
let range = self.shape.caret_value_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`caret_value_offsets`][Self::caret_value_offsets].
pub fn caret_values(&self) -> ArrayOfOffsets<'a, CaretValue<'a>, Offset16> {
let data = self.data;
let offsets = self.caret_value_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for LigGlyph<'a> {
fn type_name(&self) -> &str {
"LigGlyph"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("caret_count", self.caret_count())),
1usize => Some({
let data = self.data;
Field::new(
"caret_value_offsets",
FieldType::array_of_offsets(
better_type_name::<CaretValue>(),
self.caret_value_offsets(),
move |off| {
let target = off.get().resolve::<CaretValue>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for LigGlyph<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [Caret Value Tables](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caret-value-tables)
#[derive(Clone)]
pub enum CaretValue<'a> {
Format1(CaretValueFormat1<'a>),
Format2(CaretValueFormat2<'a>),
Format3(CaretValueFormat3<'a>),
}
impl<'a> CaretValue<'a> {
///Return the `FontData` used to resolve offsets for this table.
pub fn offset_data(&self) -> FontData<'a> {
match self {
Self::Format1(item) => item.offset_data(),
Self::Format2(item) => item.offset_data(),
Self::Format3(item) => item.offset_data(),
}
}
/// Format identifier: format = 1
pub fn caret_value_format(&self) -> u16 {
match self {
Self::Format1(item) => item.caret_value_format(),
Self::Format2(item) => item.caret_value_format(),
Self::Format3(item) => item.caret_value_format(),
}
}
}
impl<'a> FontRead<'a> for CaretValue<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let format: u16 = data.read_at(0usize)?;
match format {
CaretValueFormat1Marker::FORMAT => Ok(Self::Format1(FontRead::read(data)?)),
CaretValueFormat2Marker::FORMAT => Ok(Self::Format2(FontRead::read(data)?)),
CaretValueFormat3Marker::FORMAT => Ok(Self::Format3(FontRead::read(data)?)),
other => Err(ReadError::InvalidFormat(other.into())),
}
}
}
#[cfg(feature = "traversal")]
impl<'a> CaretValue<'a> {
fn dyn_inner<'b>(&'b self) -> &'b dyn SomeTable<'a> {
match self {
Self::Format1(table) => table,
Self::Format2(table) => table,
Self::Format3(table) => table,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for CaretValue<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.dyn_inner().fmt(f)
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for CaretValue<'a> {
fn type_name(&self) -> &str {
self.dyn_inner().type_name()
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
self.dyn_inner().get_field(idx)
}
}
impl Format<u16> for CaretValueFormat1Marker {
const FORMAT: u16 = 1;
}
/// [CaretValue Format 1](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caretvalue-format-1)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct CaretValueFormat1Marker {}
impl CaretValueFormat1Marker {
fn caret_value_format_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn coordinate_byte_range(&self) -> Range<usize> {
let start = self.caret_value_format_byte_range().end;
start..start + i16::RAW_BYTE_LEN
}
}
impl<'a> FontRead<'a> for CaretValueFormat1<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
cursor.advance::<i16>();
cursor.finish(CaretValueFormat1Marker {})
}
}
/// [CaretValue Format 1](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caretvalue-format-1)
pub type CaretValueFormat1<'a> = TableRef<'a, CaretValueFormat1Marker>;
impl<'a> CaretValueFormat1<'a> {
/// Format identifier: format = 1
pub fn caret_value_format(&self) -> u16 {
let range = self.shape.caret_value_format_byte_range();
self.data.read_at(range.start).unwrap()
}
/// X or Y value, in design units
pub fn coordinate(&self) -> i16 {
let range = self.shape.coordinate_byte_range();
self.data.read_at(range.start).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for CaretValueFormat1<'a> {
fn type_name(&self) -> &str {
"CaretValueFormat1"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("caret_value_format", self.caret_value_format())),
1usize => Some(Field::new("coordinate", self.coordinate())),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for CaretValueFormat1<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
impl Format<u16> for CaretValueFormat2Marker {
const FORMAT: u16 = 2;
}
/// [CaretValue Format 2](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caretvalue-format-2)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct CaretValueFormat2Marker {}
impl CaretValueFormat2Marker {
fn caret_value_format_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn caret_value_point_index_byte_range(&self) -> Range<usize> {
let start = self.caret_value_format_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
}
impl<'a> FontRead<'a> for CaretValueFormat2<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
cursor.advance::<u16>();
cursor.finish(CaretValueFormat2Marker {})
}
}
/// [CaretValue Format 2](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caretvalue-format-2)
pub type CaretValueFormat2<'a> = TableRef<'a, CaretValueFormat2Marker>;
impl<'a> CaretValueFormat2<'a> {
/// Format identifier: format = 2
pub fn caret_value_format(&self) -> u16 {
let range = self.shape.caret_value_format_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Contour point index on glyph
pub fn caret_value_point_index(&self) -> u16 {
let range = self.shape.caret_value_point_index_byte_range();
self.data.read_at(range.start).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for CaretValueFormat2<'a> {
fn type_name(&self) -> &str {
"CaretValueFormat2"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("caret_value_format", self.caret_value_format())),
1usize => Some(Field::new(
"caret_value_point_index",
self.caret_value_point_index(),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for CaretValueFormat2<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
impl Format<u16> for CaretValueFormat3Marker {
const FORMAT: u16 = 3;
}
/// [CaretValue Format 3](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caretvalue-format-3)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct CaretValueFormat3Marker {}
impl CaretValueFormat3Marker {
fn caret_value_format_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn coordinate_byte_range(&self) -> Range<usize> {
let start = self.caret_value_format_byte_range().end;
start..start + i16::RAW_BYTE_LEN
}
fn device_offset_byte_range(&self) -> Range<usize> {
let start = self.coordinate_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
}
impl<'a> FontRead<'a> for CaretValueFormat3<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
cursor.advance::<i16>();
cursor.advance::<Offset16>();
cursor.finish(CaretValueFormat3Marker {})
}
}
/// [CaretValue Format 3](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#caretvalue-format-3)
pub type CaretValueFormat3<'a> = TableRef<'a, CaretValueFormat3Marker>;
impl<'a> CaretValueFormat3<'a> {
/// Format identifier-format = 3
pub fn caret_value_format(&self) -> u16 {
let range = self.shape.caret_value_format_byte_range();
self.data.read_at(range.start).unwrap()
}
/// X or Y value, in design units
pub fn coordinate(&self) -> i16 {
let range = self.shape.coordinate_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Offset to Device table (non-variable font) / Variation Index
/// table (variable font) for X or Y value-from beginning of
/// CaretValue table
pub fn device_offset(&self) -> Offset16 {
let range = self.shape.device_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`device_offset`][Self::device_offset].
pub fn device(&self) -> Result<DeviceOrVariationIndex<'a>, ReadError> {
let data = self.data;
self.device_offset().resolve(data)
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for CaretValueFormat3<'a> {
fn type_name(&self) -> &str {
"CaretValueFormat3"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("caret_value_format", self.caret_value_format())),
1usize => Some(Field::new("coordinate", self.coordinate())),
2usize => Some(Field::new(
"device_offset",
FieldType::offset(self.device_offset(), self.device()),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for CaretValueFormat3<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
impl Format<u16> for MarkGlyphSetsMarker {
const FORMAT: u16 = 1;
}
/// [Mark Glyph Sets Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#mark-glyph-sets-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct MarkGlyphSetsMarker {
coverage_offsets_byte_len: usize,
}
impl MarkGlyphSetsMarker {
fn format_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn mark_glyph_set_count_byte_range(&self) -> Range<usize> {
let start = self.format_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn coverage_offsets_byte_range(&self) -> Range<usize> {
let start = self.mark_glyph_set_count_byte_range().end;
start..start + self.coverage_offsets_byte_len
}
}
impl<'a> FontRead<'a> for MarkGlyphSets<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
let mark_glyph_set_count: u16 = cursor.read()?;
let coverage_offsets_byte_len = (mark_glyph_set_count as usize)
.checked_mul(Offset32::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(coverage_offsets_byte_len);
cursor.finish(MarkGlyphSetsMarker {
coverage_offsets_byte_len,
})
}
}
/// [Mark Glyph Sets Table](https://docs.microsoft.com/en-us/typography/opentype/spec/gdef#mark-glyph-sets-table)
pub type MarkGlyphSets<'a> = TableRef<'a, MarkGlyphSetsMarker>;
impl<'a> MarkGlyphSets<'a> {
/// Format identifier == 1
pub fn format(&self) -> u16 {
let range = self.shape.format_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Number of mark glyph sets defined
pub fn mark_glyph_set_count(&self) -> u16 {
let range = self.shape.mark_glyph_set_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of offsets to mark glyph set coverage tables, from the
/// start of the MarkGlyphSets table.
pub fn coverage_offsets(&self) -> &'a [BigEndian<Offset32>] {
let range = self.shape.coverage_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`coverage_offsets`][Self::coverage_offsets].
pub fn coverages(&self) -> ArrayOfOffsets<'a, CoverageTable<'a>, Offset32> {
let data = self.data;
let offsets = self.coverage_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for MarkGlyphSets<'a> {
fn type_name(&self) -> &str {
"MarkGlyphSets"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("format", self.format())),
1usize => Some(Field::new(
"mark_glyph_set_count",
self.mark_glyph_set_count(),
)),
2usize => Some({
let data = self.data;
Field::new(
"coverage_offsets",
FieldType::array_of_offsets(
better_type_name::<CoverageTable>(),
self.coverage_offsets(),
move |off| {
let target = off.get().resolve::<CoverageTable>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for MarkGlyphSets<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
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