// 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 [avar (Axis Variations)](https://docs.microsoft.com/en-us/typography/opentype/spec/avar) table
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct AvarMarker {
axis_segment_maps_byte_len: usize,
}
impl AvarMarker {
fn version_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + MajorMinor::RAW_BYTE_LEN
}
fn _reserved_byte_range(&self) -> Range<usize> {
let start = self.version_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn axis_count_byte_range(&self) -> Range<usize> {
let start = self._reserved_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn axis_segment_maps_byte_range(&self) -> Range<usize> {
let start = self.axis_count_byte_range().end;
start..start + self.axis_segment_maps_byte_len
}
}
impl TopLevelTable for Avar<'_> {
/// `avar`
const TAG: Tag = Tag::new(b"avar");
}
impl<'a> FontRead<'a> for Avar<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<MajorMinor>();
cursor.advance::<u16>();
cursor.advance::<u16>();
let axis_segment_maps_byte_len = cursor.remaining_bytes();
cursor.advance_by(axis_segment_maps_byte_len);
cursor.finish(AvarMarker {
axis_segment_maps_byte_len,
})
}
}
/// The [avar (Axis Variations)](https://docs.microsoft.com/en-us/typography/opentype/spec/avar) table
pub type Avar<'a> = TableRef<'a, AvarMarker>;
impl<'a> Avar<'a> {
/// Major version number of the axis variations table — set to 1.
/// Minor version number of the axis variations table — set to 0.
pub fn version(&self) -> MajorMinor {
let range = self.shape.version_byte_range();
self.data.read_at(range.start).unwrap()
}
/// The number of variation axes for this font. This must be the same number as axisCount in the 'fvar' table.
pub fn axis_count(&self) -> u16 {
let range = self.shape.axis_count_byte_range();
self.data.read_at(range.start).unwrap()
}
/// The segment maps array — one segment map for each axis, in the order of axes specified in the 'fvar' table.
pub fn axis_segment_maps(&self) -> VarLenArray<'a, SegmentMaps<'a>> {
let range = self.shape.axis_segment_maps_byte_range();
VarLenArray::read(self.data.split_off(range.start).unwrap()).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for Avar<'a> {
fn type_name(&self) -> &str {
"Avar"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("version", self.version())),
1usize => Some(Field::new("axis_count", self.axis_count())),
2usize => Some(Field::new(
"axis_segment_maps",
traversal::FieldType::var_array(
"SegmentMaps",
self.axis_segment_maps(),
self.offset_data(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for Avar<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// [SegmentMaps](https://learn.microsoft.com/en-us/typography/opentype/spec/avar#table-formats) record
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct SegmentMaps<'a> {
/// The number of correspondence pairs for this axis.
pub position_map_count: BigEndian<u16>,
/// The array of axis value map records for this axis.
pub axis_value_maps: &'a [AxisValueMap],
}
impl<'a> SegmentMaps<'a> {
/// The number of correspondence pairs for this axis.
pub fn position_map_count(&self) -> u16 {
self.position_map_count.get()
}
/// The array of axis value map records for this axis.
pub fn axis_value_maps(&self) -> &'a [AxisValueMap] {
self.axis_value_maps
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeRecord<'a> for SegmentMaps<'a> {
fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
RecordResolver {
name: "SegmentMaps",
get_field: Box::new(move |idx, _data| match idx {
0usize => Some(Field::new("position_map_count", self.position_map_count())),
1usize => Some(Field::new(
"axis_value_maps",
traversal::FieldType::array_of_records(
stringify!(AxisValueMap),
self.axis_value_maps(),
_data,
),
)),
_ => None,
}),
data,
}
}
}
/// [AxisValueMap](https://learn.microsoft.com/en-us/typography/opentype/spec/avar#table-formats) record
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)]
#[repr(C)]
#[repr(packed)]
pub struct AxisValueMap {
/// A normalized coordinate value obtained using default normalization.
pub from_coordinate: BigEndian<F2Dot14>,
/// The modified, normalized coordinate value.
pub to_coordinate: BigEndian<F2Dot14>,
}
impl AxisValueMap {
/// A normalized coordinate value obtained using default normalization.
pub fn from_coordinate(&self) -> F2Dot14 {
self.from_coordinate.get()
}
/// The modified, normalized coordinate value.
pub fn to_coordinate(&self) -> F2Dot14 {
self.to_coordinate.get()
}
}
impl FixedSize for AxisValueMap {
const RAW_BYTE_LEN: usize = F2Dot14::RAW_BYTE_LEN + F2Dot14::RAW_BYTE_LEN;
}
#[cfg(feature = "traversal")]
impl<'a> SomeRecord<'a> for AxisValueMap {
fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
RecordResolver {
name: "AxisValueMap",
get_field: Box::new(move |idx, _data| match idx {
0usize => Some(Field::new("from_coordinate", self.from_coordinate())),
1usize => Some(Field::new("to_coordinate", self.to_coordinate())),
_ => None,
}),
data,
}
}
}
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