crates/read-fonts/generated/generated_avar.rs - platform/external/rust/android-crates-io - Git at Google

 // 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,
     axis_index_map_offset_byte_start: Option<usize>,
     var_store_offset_byte_start: Option<usize>,
 }

 impl AvarMarker {
     pub fn version_byte_range(&self) -> Range<usize> {
         let start = 0;
         start..start + MajorMinor::RAW_BYTE_LEN
     }

     pub fn _reserved_byte_range(&self) -> Range<usize> {
         let start = self.version_byte_range().end;
         start..start + u16::RAW_BYTE_LEN
     }

     pub fn axis_count_byte_range(&self) -> Range<usize> {
         let start = self._reserved_byte_range().end;
         start..start + u16::RAW_BYTE_LEN
     }

     pub 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
     }

     pub fn axis_index_map_offset_byte_range(&self) -> Option<Range<usize>> {
         let start = self.axis_index_map_offset_byte_start?;
         Some(start..start + Offset32::RAW_BYTE_LEN)
     }

     pub fn var_store_offset_byte_range(&self) -> Option<Range<usize>> {
         let start = self.var_store_offset_byte_start?;
         Some(start..start + Offset32::RAW_BYTE_LEN)
     }
 }

 impl MinByteRange for AvarMarker {
     fn min_byte_range(&self) -> Range<usize> {
         0..self.axis_segment_maps_byte_range().end
     }
 }

 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();
         let version: MajorMinor = cursor.read()?;
         cursor.advance::<u16>();
         let axis_count: u16 = cursor.read()?;
         let axis_segment_maps_byte_len = {
             let data = cursor.remaining().ok_or(ReadError::OutOfBounds)?;
             <SegmentMaps as VarSize>::total_len_for_count(data, axis_count as usize)?
         };
         cursor.advance_by(axis_segment_maps_byte_len);
         let axis_index_map_offset_byte_start = version
             .compatible((2u16, 0u16))
             .then(|| cursor.position())
             .transpose()?;
         version
             .compatible((2u16, 0u16))
             .then(|| cursor.advance::<Offset32>());
         let var_store_offset_byte_start = version
             .compatible((2u16, 0u16))
             .then(|| cursor.position())
             .transpose()?;
         version
             .compatible((2u16, 0u16))
             .then(|| cursor.advance::<Offset32>());
         cursor.finish(AvarMarker {
             axis_segment_maps_byte_len,
             axis_index_map_offset_byte_start,
             var_store_offset_byte_start,
         })
     }
 }

 /// The [avar (Axis Variations)](https://docs.microsoft.com/en-us/typography/opentype/spec/avar) table
 pub type Avar<'a> = TableRef<'a, AvarMarker>;

 #[allow(clippy::needless_lifetimes)]
 impl<'a> Avar<'a> {
     /// Major version number of the axis variations table — set to 1 or 2.
     /// 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()
     }

     /// Offset to DeltaSetIndexMap table (may be NULL).
     pub fn axis_index_map_offset(&self) -> Option<Nullable<Offset32>> {
         let range = self.shape.axis_index_map_offset_byte_range()?;
         Some(self.data.read_at(range.start).unwrap())
     }

     /// Attempt to resolve [`axis_index_map_offset`][Self::axis_index_map_offset].
     pub fn axis_index_map(&self) -> Option<Result<DeltaSetIndexMap<'a>, ReadError>> {
         let data = self.data;
         self.axis_index_map_offset().map(|x| x.resolve(data))?
     }

     /// Offset to ItemVariationStore (may be NULL).
     pub fn var_store_offset(&self) -> Option<Nullable<Offset32>> {
         let range = self.shape.var_store_offset_byte_range()?;
         Some(self.data.read_at(range.start).unwrap())
     }

     /// Attempt to resolve [`var_store_offset`][Self::var_store_offset].
     pub fn var_store(&self) -> Option<Result<ItemVariationStore<'a>, ReadError>> {
         let data = self.data;
         self.var_store_offset().map(|x| x.resolve(data))?
     }
 }

 #[cfg(feature = "experimental_traverse")]
 impl<'a> SomeTable<'a> for Avar<'a> {
     fn type_name(&self) -> &str {
         "Avar"
     }
     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("axis_count", self.axis_count())),
             2usize => Some(Field::new(
                 "axis_segment_maps",
                 traversal::FieldType::var_array(
                     "SegmentMaps",
                     self.axis_segment_maps(),
                     self.offset_data(),
                 ),
             )),
             3usize if version.compatible((2u16, 0u16)) => Some(Field::new(
                 "axis_index_map_offset",
                 FieldType::offset(self.axis_index_map_offset().unwrap(), self.axis_index_map()),
             )),
             4usize if version.compatible((2u16, 0u16)) => Some(Field::new(
                 "var_store_offset",
                 FieldType::offset(self.var_store_offset().unwrap(), self.var_store()),
             )),
             _ => None,
         }
     }
 }

 #[cfg(feature = "experimental_traverse")]
 #[allow(clippy::needless_lifetimes)]
 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 = "experimental_traverse")]
 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 = "experimental_traverse")]
 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,
         }
     }
 }
	// 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,
	axis_index_map_offset_byte_start: Option<usize>,
	var_store_offset_byte_start: Option<usize>,
	}

	impl AvarMarker {
	pub fn version_byte_range(&self) -> Range<usize> {
	let start = 0;
	start..start + MajorMinor::RAW_BYTE_LEN
	}

	pub fn _reserved_byte_range(&self) -> Range<usize> {
	let start = self.version_byte_range().end;
	start..start + u16::RAW_BYTE_LEN
	}

	pub fn axis_count_byte_range(&self) -> Range<usize> {
	let start = self._reserved_byte_range().end;
	start..start + u16::RAW_BYTE_LEN
	}

	pub 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
	}

	pub fn axis_index_map_offset_byte_range(&self) -> Option<Range<usize>> {
	let start = self.axis_index_map_offset_byte_start?;
	Some(start..start + Offset32::RAW_BYTE_LEN)
	}

	pub fn var_store_offset_byte_range(&self) -> Option<Range<usize>> {
	let start = self.var_store_offset_byte_start?;
	Some(start..start + Offset32::RAW_BYTE_LEN)
	}
	}

	impl MinByteRange for AvarMarker {
	fn min_byte_range(&self) -> Range<usize> {
	0..self.axis_segment_maps_byte_range().end
	}
	}

	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();
	let version: MajorMinor = cursor.read()?;
	cursor.advance::<u16>();
	let axis_count: u16 = cursor.read()?;
	let axis_segment_maps_byte_len = {
	let data = cursor.remaining().ok_or(ReadError::OutOfBounds)?;
	<SegmentMaps as VarSize>::total_len_for_count(data, axis_count as usize)?
	};
	cursor.advance_by(axis_segment_maps_byte_len);
	let axis_index_map_offset_byte_start = version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.position())
	.transpose()?;
	version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.advance::<Offset32>());
	let var_store_offset_byte_start = version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.position())
	.transpose()?;
	version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.advance::<Offset32>());
	cursor.finish(AvarMarker {
	axis_segment_maps_byte_len,
	axis_index_map_offset_byte_start,
	var_store_offset_byte_start,
	})
	}
	}

	/// The [avar (Axis Variations)](https://docs.microsoft.com/en-us/typography/opentype/spec/avar) table
	pub type Avar<'a> = TableRef<'a, AvarMarker>;

	#[allow(clippy::needless_lifetimes)]
	impl<'a> Avar<'a> {
	/// Major version number of the axis variations table — set to 1 or 2.
	/// 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()
	}

	/// Offset to DeltaSetIndexMap table (may be NULL).
	pub fn axis_index_map_offset(&self) -> Option<Nullable<Offset32>> {
	let range = self.shape.axis_index_map_offset_byte_range()?;
	Some(self.data.read_at(range.start).unwrap())
	}

	/// Attempt to resolve [`axis_index_map_offset`][Self::axis_index_map_offset].
	pub fn axis_index_map(&self) -> Option<Result<DeltaSetIndexMap<'a>, ReadError>> {
	let data = self.data;
	self.axis_index_map_offset().map(\|x\| x.resolve(data))?
	}

	/// Offset to ItemVariationStore (may be NULL).
	pub fn var_store_offset(&self) -> Option<Nullable<Offset32>> {
	let range = self.shape.var_store_offset_byte_range()?;
	Some(self.data.read_at(range.start).unwrap())
	}

	/// Attempt to resolve [`var_store_offset`][Self::var_store_offset].
	pub fn var_store(&self) -> Option<Result<ItemVariationStore<'a>, ReadError>> {
	let data = self.data;
	self.var_store_offset().map(\|x\| x.resolve(data))?
	}
	}

	#[cfg(feature = "experimental_traverse")]
	impl<'a> SomeTable<'a> for Avar<'a> {
	fn type_name(&self) -> &str {
	"Avar"
	}
	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("axis_count", self.axis_count())),
	2usize => Some(Field::new(
	"axis_segment_maps",
	traversal::FieldType::var_array(
	"SegmentMaps",
	self.axis_segment_maps(),
	self.offset_data(),
	),
	)),
	3usize if version.compatible((2u16, 0u16)) => Some(Field::new(
	"axis_index_map_offset",
	FieldType::offset(self.axis_index_map_offset().unwrap(), self.axis_index_map()),
	)),
	4usize if version.compatible((2u16, 0u16)) => Some(Field::new(
	"var_store_offset",
	FieldType::offset(self.var_store_offset().unwrap(), self.var_store()),
	)),
	_ => None,
	}
	}
	}

	#[cfg(feature = "experimental_traverse")]
	#[allow(clippy::needless_lifetimes)]
	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 = "experimental_traverse")]
	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 = "experimental_traverse")]
	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,
	}
	}
	}