// 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 [tracking (trak)](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6trak.html) table. #[derive(Debug, Clone, Copy)] #[doc(hidden)] pub struct TrakMarker {} impl TrakMarker { pub fn version_byte_range(&self) -> Range { let start = 0; start..start + MajorMinor::RAW_BYTE_LEN } pub fn format_byte_range(&self) -> Range { let start = self.version_byte_range().end; start..start + u16::RAW_BYTE_LEN } pub fn horiz_offset_byte_range(&self) -> Range { let start = self.format_byte_range().end; start..start + Offset16::RAW_BYTE_LEN } pub fn vert_offset_byte_range(&self) -> Range { let start = self.horiz_offset_byte_range().end; start..start + Offset16::RAW_BYTE_LEN } pub fn reserved_byte_range(&self) -> Range { let start = self.vert_offset_byte_range().end; start..start + u16::RAW_BYTE_LEN } } impl MinByteRange for TrakMarker { fn min_byte_range(&self) -> Range { 0..self.reserved_byte_range().end } } impl TopLevelTable for Trak<'_> { /// `trak` const TAG: Tag = Tag::new(b"trak"); } impl<'a> FontRead<'a> for Trak<'a> { fn read(data: FontData<'a>) -> Result { let mut cursor = data.cursor(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.finish(TrakMarker {}) } } /// The [tracking (trak)](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6trak.html) table. pub type Trak<'a> = TableRef<'a, TrakMarker>; #[allow(clippy::needless_lifetimes)] impl<'a> Trak<'a> { /// Version number of the tracking table (0x00010000 for the current version). pub fn version(&self) -> MajorMinor { let range = self.shape.version_byte_range(); self.data.read_at(range.start).unwrap() } /// Format of the tracking table (set to 0). pub fn format(&self) -> u16 { let range = self.shape.format_byte_range(); self.data.read_at(range.start).unwrap() } /// Offset from start of tracking table to TrackData for horizontal text (or 0 if none). pub fn horiz_offset(&self) -> Nullable { let range = self.shape.horiz_offset_byte_range(); self.data.read_at(range.start).unwrap() } /// Attempt to resolve [`horiz_offset`][Self::horiz_offset]. pub fn horiz(&self) -> Option, ReadError>> { let data = self.data; self.horiz_offset().resolve(data) } /// Offset from start of tracking table to TrackData for vertical text (or 0 if none). pub fn vert_offset(&self) -> Nullable { let range = self.shape.vert_offset_byte_range(); self.data.read_at(range.start).unwrap() } /// Attempt to resolve [`vert_offset`][Self::vert_offset]. pub fn vert(&self) -> Option, ReadError>> { let data = self.data; self.vert_offset().resolve(data) } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for Trak<'a> { fn type_name(&self) -> &str { "Trak" } fn get_field(&self, idx: usize) -> Option> { match idx { 0usize => Some(Field::new("version", self.version())), 1usize => Some(Field::new("format", self.format())), 2usize => Some(Field::new( "horiz_offset", FieldType::offset(self.horiz_offset(), self.horiz()), )), 3usize => Some(Field::new( "vert_offset", FieldType::offset(self.vert_offset(), self.vert()), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] impl<'a> std::fmt::Debug for Trak<'a> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { (self as &dyn SomeTable<'a>).fmt(f) } } /// The tracking data table. #[derive(Debug, Clone, Copy)] #[doc(hidden)] pub struct TrackDataMarker { track_table_byte_len: usize, } impl TrackDataMarker { pub fn n_tracks_byte_range(&self) -> Range { let start = 0; start..start + u16::RAW_BYTE_LEN } pub fn n_sizes_byte_range(&self) -> Range { let start = self.n_tracks_byte_range().end; start..start + u16::RAW_BYTE_LEN } pub fn size_table_offset_byte_range(&self) -> Range { let start = self.n_sizes_byte_range().end; start..start + u32::RAW_BYTE_LEN } pub fn track_table_byte_range(&self) -> Range { let start = self.size_table_offset_byte_range().end; start..start + self.track_table_byte_len } } impl MinByteRange for TrackDataMarker { fn min_byte_range(&self) -> Range { 0..self.track_table_byte_range().end } } impl<'a> FontRead<'a> for TrackData<'a> { fn read(data: FontData<'a>) -> Result { let mut cursor = data.cursor(); let n_tracks: u16 = cursor.read()?; cursor.advance::(); cursor.advance::(); let track_table_byte_len = (n_tracks as usize) .checked_mul(TrackTableEntry::RAW_BYTE_LEN) .ok_or(ReadError::OutOfBounds)?; cursor.advance_by(track_table_byte_len); cursor.finish(TrackDataMarker { track_table_byte_len, }) } } /// The tracking data table. pub type TrackData<'a> = TableRef<'a, TrackDataMarker>; #[allow(clippy::needless_lifetimes)] impl<'a> TrackData<'a> { /// Number of separate tracks included in this table. pub fn n_tracks(&self) -> u16 { let range = self.shape.n_tracks_byte_range(); self.data.read_at(range.start).unwrap() } /// Number of point sizes included in this table. pub fn n_sizes(&self) -> u16 { let range = self.shape.n_sizes_byte_range(); self.data.read_at(range.start).unwrap() } /// Offset from the start of the tracking table to the start of the size subtable. pub fn size_table_offset(&self) -> u32 { let range = self.shape.size_table_offset_byte_range(); self.data.read_at(range.start).unwrap() } /// Array of TrackTableEntry records. pub fn track_table(&self) -> &'a [TrackTableEntry] { let range = self.shape.track_table_byte_range(); self.data.read_array(range).unwrap() } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for TrackData<'a> { fn type_name(&self) -> &str { "TrackData" } fn get_field(&self, idx: usize) -> Option> { match idx { 0usize => Some(Field::new("n_tracks", self.n_tracks())), 1usize => Some(Field::new("n_sizes", self.n_sizes())), 2usize => Some(Field::new("size_table_offset", self.size_table_offset())), 3usize => Some(Field::new( "track_table", traversal::FieldType::array_of_records( stringify!(TrackTableEntry), self.track_table(), self.offset_data(), ), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] impl<'a> std::fmt::Debug for TrackData<'a> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { (self as &dyn SomeTable<'a>).fmt(f) } } /// Single entry in a tracking table. #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)] #[repr(C)] #[repr(packed)] pub struct TrackTableEntry { /// Track value for this record. pub track: BigEndian, /// The 'name' table index for this track (a short word or phrase like \"loose\" or \"very tight\"). NameIndex has a value greater than 255 and less than 32768. pub name_index: BigEndian, /// Offset from the start of the tracking table to per-size tracking values for this track. pub offset: BigEndian, } impl TrackTableEntry { /// Track value for this record. pub fn track(&self) -> Fixed { self.track.get() } /// The 'name' table index for this track (a short word or phrase like \"loose\" or \"very tight\"). NameIndex has a value greater than 255 and less than 32768. pub fn name_index(&self) -> NameId { self.name_index.get() } /// Offset from the start of the tracking table to per-size tracking values for this track. pub fn offset(&self) -> u16 { self.offset.get() } } impl FixedSize for TrackTableEntry { const RAW_BYTE_LEN: usize = Fixed::RAW_BYTE_LEN + NameId::RAW_BYTE_LEN + u16::RAW_BYTE_LEN; } #[cfg(feature = "experimental_traverse")] impl<'a> SomeRecord<'a> for TrackTableEntry { fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> { RecordResolver { name: "TrackTableEntry", get_field: Box::new(move |idx, _data| match idx { 0usize => Some(Field::new("track", self.track())), 1usize => Some(Field::new("name_index", self.name_index())), 2usize => Some(Field::new("offset", self.offset())), _ => None, }), data, } } }