// 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::*;
/// The [BASE](https://learn.microsoft.com/en-us/typography/opentype/spec/base) (Baseline) table
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseMarker {
item_var_store_offset_byte_start: Option<usize>,
}
impl BaseMarker {
fn version_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + MajorMinor::RAW_BYTE_LEN
}
fn horiz_axis_offset_byte_range(&self) -> Range<usize> {
let start = self.version_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn vert_axis_offset_byte_range(&self) -> Range<usize> {
let start = self.horiz_axis_offset_byte_range().end;
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 Base<'_> {
/// `BASE`
const TAG: Tag = Tag::new(b"BASE");
}
impl<'a> FontRead<'a> for Base<'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>();
let item_var_store_offset_byte_start = version
.compatible((1u16, 1u16))
.then(|| cursor.position())
.transpose()?;
version
.compatible((1u16, 1u16))
.then(|| cursor.advance::<Offset32>());
cursor.finish(BaseMarker {
item_var_store_offset_byte_start,
})
}
}
/// The [BASE](https://learn.microsoft.com/en-us/typography/opentype/spec/base) (Baseline) table
pub type Base<'a> = TableRef<'a, BaseMarker>;
impl<'a> Base<'a> {
/// (major, minor) Version for the BASE table (1,0) or (1,1)
pub fn version(&self) -> MajorMinor {
let range = self.shape.version_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Offset to horizontal Axis table, from beginning of BASE table (may be NULL)
pub fn horiz_axis_offset(&self) -> Nullable<Offset16> {
let range = self.shape.horiz_axis_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`horiz_axis_offset`][Self::horiz_axis_offset].
pub fn horiz_axis(&self) -> Option<Result<Axis<'a>, ReadError>> {
let data = self.data;
self.horiz_axis_offset().resolve(data)
}
/// Offset to vertical Axis table, from beginning of BASE table (may be NULL)
pub fn vert_axis_offset(&self) -> Nullable<Offset16> {
let range = self.shape.vert_axis_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`vert_axis_offset`][Self::vert_axis_offset].
pub fn vert_axis(&self) -> Option<Result<Axis<'a>, ReadError>> {
let data = self.data;
self.vert_axis_offset().resolve(data)
}
/// Offset to Item Variation Store table, from beginning of BASE table (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 Base<'a> {
fn type_name(&self) -> &str {
"Base"
}
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(
"horiz_axis_offset",
FieldType::offset(self.horiz_axis_offset(), self.horiz_axis()),
)),
2usize => Some(Field::new(
"vert_axis_offset",
FieldType::offset(self.vert_axis_offset(), self.vert_axis()),
)),
3usize if version.compatible((1u16, 1u16)) => 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 Base<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [Axis Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#axis-tables-horizaxis-and-vertaxis)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct AxisMarker {}
impl AxisMarker {
fn base_tag_list_offset_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + Offset16::RAW_BYTE_LEN
}
fn base_script_list_offset_byte_range(&self) -> Range<usize> {
let start = self.base_tag_list_offset_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
}
impl<'a> FontRead<'a> for Axis<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<Offset16>();
cursor.advance::<Offset16>();
cursor.finish(AxisMarker {})
}
}
/// [Axis Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#axis-tables-horizaxis-and-vertaxis)
pub type Axis<'a> = TableRef<'a, AxisMarker>;
impl<'a> Axis<'a> {
/// Offset to BaseTagList table, from beginning of Axis table (may
/// be NULL)
pub fn base_tag_list_offset(&self) -> Nullable<Offset16> {
let range = self.shape.base_tag_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`base_tag_list_offset`][Self::base_tag_list_offset].
pub fn base_tag_list(&self) -> Option<Result<BaseTagList<'a>, ReadError>> {
let data = self.data;
self.base_tag_list_offset().resolve(data)
}
/// Offset to BaseScriptList table, from beginning of Axis table
pub fn base_script_list_offset(&self) -> Offset16 {
let range = self.shape.base_script_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`base_script_list_offset`][Self::base_script_list_offset].
pub fn base_script_list(&self) -> Result<BaseScriptList<'a>, ReadError> {
let data = self.data;
self.base_script_list_offset().resolve(data)
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for Axis<'a> {
fn type_name(&self) -> &str {
"Axis"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new(
"base_tag_list_offset",
FieldType::offset(self.base_tag_list_offset(), self.base_tag_list()),
)),
1usize => Some(Field::new(
"base_script_list_offset",
FieldType::offset(self.base_script_list_offset(), self.base_script_list()),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for Axis<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [BaseTagList Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basetaglist-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseTagListMarker {
baseline_tags_byte_len: usize,
}
impl BaseTagListMarker {
fn base_tag_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn baseline_tags_byte_range(&self) -> Range<usize> {
let start = self.base_tag_count_byte_range().end;
start..start + self.baseline_tags_byte_len
}
}
impl<'a> FontRead<'a> for BaseTagList<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let base_tag_count: u16 = cursor.read()?;
let baseline_tags_byte_len = (base_tag_count as usize)
.checked_mul(Tag::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(baseline_tags_byte_len);
cursor.finish(BaseTagListMarker {
baseline_tags_byte_len,
})
}
}
/// [BaseTagList Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basetaglist-table)
pub type BaseTagList<'a> = TableRef<'a, BaseTagListMarker>;
impl<'a> BaseTagList<'a> {
/// Number of baseline identification tags in this text direction
/// — may be zero (0)
pub fn base_tag_count(&self) -> u16 {
let range = self.shape.base_tag_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of 4-byte baseline identification tags — must be in
/// alphabetical order
pub fn baseline_tags(&self) -> &'a [BigEndian<Tag>] {
let range = self.shape.baseline_tags_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for BaseTagList<'a> {
fn type_name(&self) -> &str {
"BaseTagList"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("base_tag_count", self.base_tag_count())),
1usize => Some(Field::new("baseline_tags", self.baseline_tags())),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for BaseTagList<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [BaseScriptList Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basescriptlist-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseScriptListMarker {
base_script_records_byte_len: usize,
}
impl BaseScriptListMarker {
fn base_script_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn base_script_records_byte_range(&self) -> Range<usize> {
let start = self.base_script_count_byte_range().end;
start..start + self.base_script_records_byte_len
}
}
impl<'a> FontRead<'a> for BaseScriptList<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let base_script_count: u16 = cursor.read()?;
let base_script_records_byte_len = (base_script_count as usize)
.checked_mul(BaseScriptRecord::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(base_script_records_byte_len);
cursor.finish(BaseScriptListMarker {
base_script_records_byte_len,
})
}
}
/// [BaseScriptList Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basescriptlist-table)
pub type BaseScriptList<'a> = TableRef<'a, BaseScriptListMarker>;
impl<'a> BaseScriptList<'a> {
/// Number of BaseScriptRecords defined
pub fn base_script_count(&self) -> u16 {
let range = self.shape.base_script_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of BaseScriptRecords, in alphabetical order by
/// baseScriptTag
pub fn base_script_records(&self) -> &'a [BaseScriptRecord] {
let range = self.shape.base_script_records_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for BaseScriptList<'a> {
fn type_name(&self) -> &str {
"BaseScriptList"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("base_script_count", self.base_script_count())),
1usize => Some(Field::new(
"base_script_records",
traversal::FieldType::array_of_records(
stringify!(BaseScriptRecord),
self.base_script_records(),
self.offset_data(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for BaseScriptList<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [BaseScriptRecord](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basescriptrecord)
#[derive(Clone, Debug, Copy, bytemuck :: AnyBitPattern)]
#[repr(C)]
#[repr(packed)]
pub struct BaseScriptRecord {
/// 4-byte script identification tag
pub base_script_tag: BigEndian<Tag>,
/// Offset to BaseScript table, from beginning of BaseScriptList
pub base_script_offset: BigEndian<Offset16>,
}
impl BaseScriptRecord {
/// 4-byte script identification tag
pub fn base_script_tag(&self) -> Tag {
self.base_script_tag.get()
}
/// Offset to BaseScript table, from beginning of BaseScriptList
pub fn base_script_offset(&self) -> Offset16 {
self.base_script_offset.get()
}
/// Offset to BaseScript table, from beginning of BaseScriptList
///
/// The `data` argument should be retrieved from the parent table
/// By calling its `offset_data` method.
pub fn base_script<'a>(&self, data: FontData<'a>) -> Result<BaseScript<'a>, ReadError> {
self.base_script_offset().resolve(data)
}
}
impl FixedSize for BaseScriptRecord {
const RAW_BYTE_LEN: usize = Tag::RAW_BYTE_LEN + Offset16::RAW_BYTE_LEN;
}
#[cfg(feature = "traversal")]
impl<'a> SomeRecord<'a> for BaseScriptRecord {
fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
RecordResolver {
name: "BaseScriptRecord",
get_field: Box::new(move |idx, _data| match idx {
0usize => Some(Field::new("base_script_tag", self.base_script_tag())),
1usize => Some(Field::new(
"base_script_offset",
FieldType::offset(self.base_script_offset(), self.base_script(_data)),
)),
_ => None,
}),
data,
}
}
}
/// [BaseScript Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basescript-table)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseScriptMarker {
base_lang_sys_records_byte_len: usize,
}
impl BaseScriptMarker {
fn base_values_offset_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + Offset16::RAW_BYTE_LEN
}
fn default_min_max_offset_byte_range(&self) -> Range<usize> {
let start = self.base_values_offset_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn base_lang_sys_count_byte_range(&self) -> Range<usize> {
let start = self.default_min_max_offset_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn base_lang_sys_records_byte_range(&self) -> Range<usize> {
let start = self.base_lang_sys_count_byte_range().end;
start..start + self.base_lang_sys_records_byte_len
}
}
impl<'a> FontRead<'a> for BaseScript<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<Offset16>();
cursor.advance::<Offset16>();
let base_lang_sys_count: u16 = cursor.read()?;
let base_lang_sys_records_byte_len = (base_lang_sys_count as usize)
.checked_mul(BaseLangSysRecord::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(base_lang_sys_records_byte_len);
cursor.finish(BaseScriptMarker {
base_lang_sys_records_byte_len,
})
}
}
/// [BaseScript Table](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basescript-table)
pub type BaseScript<'a> = TableRef<'a, BaseScriptMarker>;
impl<'a> BaseScript<'a> {
/// Offset to BaseValues table, from beginning of BaseScript table (may be NULL)
pub fn base_values_offset(&self) -> Nullable<Offset16> {
let range = self.shape.base_values_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`base_values_offset`][Self::base_values_offset].
pub fn base_values(&self) -> Option<Result<BaseValues<'a>, ReadError>> {
let data = self.data;
self.base_values_offset().resolve(data)
}
/// Offset to MinMax table, from beginning of BaseScript table (may be NULL)
pub fn default_min_max_offset(&self) -> Nullable<Offset16> {
let range = self.shape.default_min_max_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`default_min_max_offset`][Self::default_min_max_offset].
pub fn default_min_max(&self) -> Option<Result<MinMax<'a>, ReadError>> {
let data = self.data;
self.default_min_max_offset().resolve(data)
}
/// Number of BaseLangSysRecords defined — may be zero (0)
pub fn base_lang_sys_count(&self) -> u16 {
let range = self.shape.base_lang_sys_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of BaseLangSysRecords, in alphabetical order by
/// BaseLangSysTag
pub fn base_lang_sys_records(&self) -> &'a [BaseLangSysRecord] {
let range = self.shape.base_lang_sys_records_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for BaseScript<'a> {
fn type_name(&self) -> &str {
"BaseScript"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new(
"base_values_offset",
FieldType::offset(self.base_values_offset(), self.base_values()),
)),
1usize => Some(Field::new(
"default_min_max_offset",
FieldType::offset(self.default_min_max_offset(), self.default_min_max()),
)),
2usize => Some(Field::new(
"base_lang_sys_count",
self.base_lang_sys_count(),
)),
3usize => Some(Field::new(
"base_lang_sys_records",
traversal::FieldType::array_of_records(
stringify!(BaseLangSysRecord),
self.base_lang_sys_records(),
self.offset_data(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for BaseScript<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [BaseLangSysRecord](https://learn.microsoft.com/en-us/typography/opentype/spec/base#baselangsysrecord)
#[derive(Clone, Debug, Copy, bytemuck :: AnyBitPattern)]
#[repr(C)]
#[repr(packed)]
pub struct BaseLangSysRecord {
/// 4-byte language system identification tag
pub base_lang_sys_tag: BigEndian<Tag>,
/// Offset to MinMax table, from beginning of BaseScript table
pub min_max_offset: BigEndian<Offset16>,
}
impl BaseLangSysRecord {
/// 4-byte language system identification tag
pub fn base_lang_sys_tag(&self) -> Tag {
self.base_lang_sys_tag.get()
}
/// Offset to MinMax table, from beginning of BaseScript table
pub fn min_max_offset(&self) -> Offset16 {
self.min_max_offset.get()
}
/// Offset to MinMax table, from beginning of BaseScript table
///
/// The `data` argument should be retrieved from the parent table
/// By calling its `offset_data` method.
pub fn min_max<'a>(&self, data: FontData<'a>) -> Result<MinMax<'a>, ReadError> {
self.min_max_offset().resolve(data)
}
}
impl FixedSize for BaseLangSysRecord {
const RAW_BYTE_LEN: usize = Tag::RAW_BYTE_LEN + Offset16::RAW_BYTE_LEN;
}
#[cfg(feature = "traversal")]
impl<'a> SomeRecord<'a> for BaseLangSysRecord {
fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
RecordResolver {
name: "BaseLangSysRecord",
get_field: Box::new(move |idx, _data| match idx {
0usize => Some(Field::new("base_lang_sys_tag", self.base_lang_sys_tag())),
1usize => Some(Field::new(
"min_max_offset",
FieldType::offset(self.min_max_offset(), self.min_max(_data)),
)),
_ => None,
}),
data,
}
}
}
/// [BaseValues](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basevalues-table) table
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseValuesMarker {
base_coord_offsets_byte_len: usize,
}
impl BaseValuesMarker {
fn default_baseline_index_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn base_coord_count_byte_range(&self) -> Range<usize> {
let start = self.default_baseline_index_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn base_coord_offsets_byte_range(&self) -> Range<usize> {
let start = self.base_coord_count_byte_range().end;
start..start + self.base_coord_offsets_byte_len
}
}
impl<'a> FontRead<'a> for BaseValues<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
let base_coord_count: u16 = cursor.read()?;
let base_coord_offsets_byte_len = (base_coord_count as usize)
.checked_mul(Offset16::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(base_coord_offsets_byte_len);
cursor.finish(BaseValuesMarker {
base_coord_offsets_byte_len,
})
}
}
/// [BaseValues](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basevalues-table) table
pub type BaseValues<'a> = TableRef<'a, BaseValuesMarker>;
impl<'a> BaseValues<'a> {
/// Index number of default baseline for this script — equals
/// index position of baseline tag in baselineTags array of the
/// BaseTagList
pub fn default_baseline_index(&self) -> u16 {
let range = self.shape.default_baseline_index_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Number of BaseCoord tables defined — should equal
/// baseTagCount in the BaseTagList
pub fn base_coord_count(&self) -> u16 {
let range = self.shape.base_coord_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of offsets to BaseCoord tables, from beginning of
/// BaseValues table — order matches baselineTags array in the
/// BaseTagList
pub fn base_coord_offsets(&self) -> &'a [BigEndian<Offset16>] {
let range = self.shape.base_coord_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`base_coord_offsets`][Self::base_coord_offsets].
pub fn base_coords(&self) -> ArrayOfOffsets<'a, BaseCoord<'a>, Offset16> {
let data = self.data;
let offsets = self.base_coord_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for BaseValues<'a> {
fn type_name(&self) -> &str {
"BaseValues"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new(
"default_baseline_index",
self.default_baseline_index(),
)),
1usize => Some(Field::new("base_coord_count", self.base_coord_count())),
2usize => Some({
let data = self.data;
Field::new(
"base_coord_offsets",
FieldType::array_of_offsets(
better_type_name::<BaseCoord>(),
self.base_coord_offsets(),
move |off| {
let target = off.get().resolve::<BaseCoord>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for BaseValues<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [MinMax](https://learn.microsoft.com/en-us/typography/opentype/spec/base#minmax-table) table
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct MinMaxMarker {
feat_min_max_records_byte_len: usize,
}
impl MinMaxMarker {
fn min_coord_offset_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + Offset16::RAW_BYTE_LEN
}
fn max_coord_offset_byte_range(&self) -> Range<usize> {
let start = self.min_coord_offset_byte_range().end;
start..start + Offset16::RAW_BYTE_LEN
}
fn feat_min_max_count_byte_range(&self) -> Range<usize> {
let start = self.max_coord_offset_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn feat_min_max_records_byte_range(&self) -> Range<usize> {
let start = self.feat_min_max_count_byte_range().end;
start..start + self.feat_min_max_records_byte_len
}
}
impl<'a> FontRead<'a> for MinMax<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<Offset16>();
cursor.advance::<Offset16>();
let feat_min_max_count: u16 = cursor.read()?;
let feat_min_max_records_byte_len = (feat_min_max_count as usize)
.checked_mul(FeatMinMaxRecord::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(feat_min_max_records_byte_len);
cursor.finish(MinMaxMarker {
feat_min_max_records_byte_len,
})
}
}
/// [MinMax](https://learn.microsoft.com/en-us/typography/opentype/spec/base#minmax-table) table
pub type MinMax<'a> = TableRef<'a, MinMaxMarker>;
impl<'a> MinMax<'a> {
/// Offset to BaseCoord table that defines the minimum extent
/// value, from the beginning of MinMax table (may be NULL)
pub fn min_coord_offset(&self) -> Nullable<Offset16> {
let range = self.shape.min_coord_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`min_coord_offset`][Self::min_coord_offset].
pub fn min_coord(&self) -> Option<Result<BaseCoord<'a>, ReadError>> {
let data = self.data;
self.min_coord_offset().resolve(data)
}
/// Offset to BaseCoord table that defines maximum extent value,
/// from the beginning of MinMax table (may be NULL)
pub fn max_coord_offset(&self) -> Nullable<Offset16> {
let range = self.shape.max_coord_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`max_coord_offset`][Self::max_coord_offset].
pub fn max_coord(&self) -> Option<Result<BaseCoord<'a>, ReadError>> {
let data = self.data;
self.max_coord_offset().resolve(data)
}
/// Number of FeatMinMaxRecords — may be zero (0)
pub fn feat_min_max_count(&self) -> u16 {
let range = self.shape.feat_min_max_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Array of FeatMinMaxRecords, in alphabetical order by
/// featureTableTag
pub fn feat_min_max_records(&self) -> &'a [FeatMinMaxRecord] {
let range = self.shape.feat_min_max_records_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for MinMax<'a> {
fn type_name(&self) -> &str {
"MinMax"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new(
"min_coord_offset",
FieldType::offset(self.min_coord_offset(), self.min_coord()),
)),
1usize => Some(Field::new(
"max_coord_offset",
FieldType::offset(self.max_coord_offset(), self.max_coord()),
)),
2usize => Some(Field::new("feat_min_max_count", self.feat_min_max_count())),
3usize => Some(Field::new(
"feat_min_max_records",
traversal::FieldType::array_of_records(
stringify!(FeatMinMaxRecord),
self.feat_min_max_records(),
self.offset_data(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for MinMax<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [FeatMinMaxRecord](https://learn.microsoft.com/en-us/typography/opentype/spec/base#baselangsysrecord)
#[derive(Clone, Debug, Copy, bytemuck :: AnyBitPattern)]
#[repr(C)]
#[repr(packed)]
pub struct FeatMinMaxRecord {
/// 4-byte feature identification tag — must match feature tag in
/// FeatureList
pub feature_table_tag: BigEndian<Tag>,
/// Offset to BaseCoord table that defines the minimum extent
/// value, from beginning of MinMax table (may be NULL)
pub min_coord_offset: BigEndian<Nullable<Offset16>>,
/// Offset to BaseCoord table that defines the maximum extent
/// value, from beginning of MinMax table (may be NULL)
pub max_coord_offset: BigEndian<Nullable<Offset16>>,
}
impl FeatMinMaxRecord {
/// 4-byte feature identification tag — must match feature tag in
/// FeatureList
pub fn feature_table_tag(&self) -> Tag {
self.feature_table_tag.get()
}
/// Offset to BaseCoord table that defines the minimum extent
/// value, from beginning of MinMax table (may be NULL)
pub fn min_coord_offset(&self) -> Nullable<Offset16> {
self.min_coord_offset.get()
}
/// Offset to BaseCoord table that defines the minimum extent
/// value, from beginning of MinMax table (may be NULL)
///
/// The `data` argument should be retrieved from the parent table
/// By calling its `offset_data` method.
pub fn min_coord<'a>(&self, data: FontData<'a>) -> Option<Result<MinMax<'a>, ReadError>> {
self.min_coord_offset().resolve(data)
}
/// Offset to BaseCoord table that defines the maximum extent
/// value, from beginning of MinMax table (may be NULL)
pub fn max_coord_offset(&self) -> Nullable<Offset16> {
self.max_coord_offset.get()
}
/// Offset to BaseCoord table that defines the maximum extent
/// value, from beginning of MinMax table (may be NULL)
///
/// The `data` argument should be retrieved from the parent table
/// By calling its `offset_data` method.
pub fn max_coord<'a>(&self, data: FontData<'a>) -> Option<Result<MinMax<'a>, ReadError>> {
self.max_coord_offset().resolve(data)
}
}
impl FixedSize for FeatMinMaxRecord {
const RAW_BYTE_LEN: usize = Tag::RAW_BYTE_LEN + Offset16::RAW_BYTE_LEN + Offset16::RAW_BYTE_LEN;
}
#[cfg(feature = "traversal")]
impl<'a> SomeRecord<'a> for FeatMinMaxRecord {
fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
RecordResolver {
name: "FeatMinMaxRecord",
get_field: Box::new(move |idx, _data| match idx {
0usize => Some(Field::new("feature_table_tag", self.feature_table_tag())),
1usize => Some(Field::new(
"min_coord_offset",
FieldType::offset(self.min_coord_offset(), self.min_coord(_data)),
)),
2usize => Some(Field::new(
"max_coord_offset",
FieldType::offset(self.max_coord_offset(), self.max_coord(_data)),
)),
_ => None,
}),
data,
}
}
}
#[derive(Clone)]
pub enum BaseCoord<'a> {
Format1(BaseCoordFormat1<'a>),
Format2(BaseCoordFormat2<'a>),
Format3(BaseCoordFormat3<'a>),
}
impl<'a> BaseCoord<'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 base_coord_format(&self) -> u16 {
match self {
Self::Format1(item) => item.base_coord_format(),
Self::Format2(item) => item.base_coord_format(),
Self::Format3(item) => item.base_coord_format(),
}
}
/// X or Y value, in design units
pub fn coordinate(&self) -> i16 {
match self {
Self::Format1(item) => item.coordinate(),
Self::Format2(item) => item.coordinate(),
Self::Format3(item) => item.coordinate(),
}
}
}
impl<'a> FontRead<'a> for BaseCoord<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let format: u16 = data.read_at(0usize)?;
match format {
BaseCoordFormat1Marker::FORMAT => Ok(Self::Format1(FontRead::read(data)?)),
BaseCoordFormat2Marker::FORMAT => Ok(Self::Format2(FontRead::read(data)?)),
BaseCoordFormat3Marker::FORMAT => Ok(Self::Format3(FontRead::read(data)?)),
other => Err(ReadError::InvalidFormat(other.into())),
}
}
}
#[cfg(feature = "traversal")]
impl<'a> BaseCoord<'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 BaseCoord<'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 BaseCoord<'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 BaseCoordFormat1Marker {
const FORMAT: u16 = 1;
}
/// [BaseCoordFormat1](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basecoord-format-1)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseCoordFormat1Marker {}
impl BaseCoordFormat1Marker {
fn base_coord_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.base_coord_format_byte_range().end;
start..start + i16::RAW_BYTE_LEN
}
}
impl<'a> FontRead<'a> for BaseCoordFormat1<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
cursor.advance::<i16>();
cursor.finish(BaseCoordFormat1Marker {})
}
}
/// [BaseCoordFormat1](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basecoord-format-1)
pub type BaseCoordFormat1<'a> = TableRef<'a, BaseCoordFormat1Marker>;
impl<'a> BaseCoordFormat1<'a> {
/// Format identifier — format = 1
pub fn base_coord_format(&self) -> u16 {
let range = self.shape.base_coord_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 BaseCoordFormat1<'a> {
fn type_name(&self) -> &str {
"BaseCoordFormat1"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("base_coord_format", self.base_coord_format())),
1usize => Some(Field::new("coordinate", self.coordinate())),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for BaseCoordFormat1<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
impl Format<u16> for BaseCoordFormat2Marker {
const FORMAT: u16 = 2;
}
/// [BaseCoordFormat2](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basecoord-format-2)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseCoordFormat2Marker {}
impl BaseCoordFormat2Marker {
fn base_coord_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.base_coord_format_byte_range().end;
start..start + i16::RAW_BYTE_LEN
}
fn reference_glyph_byte_range(&self) -> Range<usize> {
let start = self.coordinate_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn base_coord_point_byte_range(&self) -> Range<usize> {
let start = self.reference_glyph_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
}
impl<'a> FontRead<'a> for BaseCoordFormat2<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
cursor.advance::<i16>();
cursor.advance::<u16>();
cursor.advance::<u16>();
cursor.finish(BaseCoordFormat2Marker {})
}
}
/// [BaseCoordFormat2](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basecoord-format-2)
pub type BaseCoordFormat2<'a> = TableRef<'a, BaseCoordFormat2Marker>;
impl<'a> BaseCoordFormat2<'a> {
/// Format identifier — format = 2
pub fn base_coord_format(&self) -> u16 {
let range = self.shape.base_coord_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()
}
/// Glyph ID of control glyph
pub fn reference_glyph(&self) -> u16 {
let range = self.shape.reference_glyph_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Index of contour point on the reference glyph
pub fn base_coord_point(&self) -> u16 {
let range = self.shape.base_coord_point_byte_range();
self.data.read_at(range.start).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for BaseCoordFormat2<'a> {
fn type_name(&self) -> &str {
"BaseCoordFormat2"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("base_coord_format", self.base_coord_format())),
1usize => Some(Field::new("coordinate", self.coordinate())),
2usize => Some(Field::new("reference_glyph", self.reference_glyph())),
3usize => Some(Field::new("base_coord_point", self.base_coord_point())),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for BaseCoordFormat2<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
impl Format<u16> for BaseCoordFormat3Marker {
const FORMAT: u16 = 3;
}
/// [BaseCoordFormat3](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basecoord-format-3)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct BaseCoordFormat3Marker {}
impl BaseCoordFormat3Marker {
fn base_coord_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.base_coord_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 BaseCoordFormat3<'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(BaseCoordFormat3Marker {})
}
}
/// [BaseCoordFormat3](https://learn.microsoft.com/en-us/typography/opentype/spec/base#basecoord-format-3)
pub type BaseCoordFormat3<'a> = TableRef<'a, BaseCoordFormat3Marker>;
impl<'a> BaseCoordFormat3<'a> {
/// Format identifier — format = 3
pub fn base_coord_format(&self) -> u16 {
let range = self.shape.base_coord_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
/// BaseCoord table (may be NULL).
pub fn device_offset(&self) -> Nullable<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) -> Option<Result<DeviceOrVariationIndex<'a>, ReadError>> {
let data = self.data;
self.device_offset().resolve(data)
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for BaseCoordFormat3<'a> {
fn type_name(&self) -> &str {
"BaseCoordFormat3"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("base_coord_format", self.base_coord_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 BaseCoordFormat3<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
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