// 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::*; impl<'a> MinByteRange<'a> for Vhea<'a> { fn min_byte_range(&self) -> Range { 0..self.number_of_long_ver_metrics_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } impl TopLevelTable for Vhea<'_> { /// `vhea` const TAG: Tag = Tag::new(b"vhea"); } impl<'a> FontRead<'a> for Vhea<'a> { fn read(data: FontData<'a>) -> Result { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } /// The [vhea](https://docs.microsoft.com/en-us/typography/opentype/spec/vhea) Vertical Header Table #[derive(Clone)] pub struct Vhea<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> Vhea<'a> { pub const MIN_SIZE: usize = (Version16Dot16::RAW_BYTE_LEN + FWord::RAW_BYTE_LEN + FWord::RAW_BYTE_LEN + FWord::RAW_BYTE_LEN + UfWord::RAW_BYTE_LEN + FWord::RAW_BYTE_LEN + FWord::RAW_BYTE_LEN + FWord::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + u16::RAW_BYTE_LEN); basic_table_impls!(impl_the_methods); /// The major/minor version (1, 1) pub fn version(&self) -> Version16Dot16 { let range = self.version_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Typographic ascent. pub fn ascender(&self) -> FWord { let range = self.ascender_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Typographic descent. pub fn descender(&self) -> FWord { let range = self.descender_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Typographic line gap. Negative LineGap values are treated as /// zero in some legacy platform implementations. pub fn line_gap(&self) -> FWord { let range = self.line_gap_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Maximum advance height value in 'vmtx' table. pub fn advance_height_max(&self) -> UfWord { let range = self.advance_height_max_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Minimum top sidebearing value in 'vmtx' table for glyphs with /// contours (empty glyphs should be ignored). pub fn min_top_side_bearing(&self) -> FWord { let range = self.min_top_side_bearing_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Minimum bottom sidebearing value pub fn min_bottom_side_bearing(&self) -> FWord { let range = self.min_bottom_side_bearing_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Defined as max( tsb + (yMax-yMin)). pub fn y_max_extent(&self) -> FWord { let range = self.y_max_extent_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Used to calculate the slope of the cursor (rise/run); 1 for /// vertical caret, 0 for horizontal. pub fn caret_slope_rise(&self) -> i16 { let range = self.caret_slope_rise_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// 0 for vertical caret, 1 for horizontal. pub fn caret_slope_run(&self) -> i16 { let range = self.caret_slope_run_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// The amount by which a slanted highlight on a glyph needs to be /// shifted to produce the best appearance. Set to 0 for /// non-slanted fonts pub fn caret_offset(&self) -> i16 { let range = self.caret_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// 0 for current format. pub fn metric_data_format(&self) -> i16 { let range = self.metric_data_format_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Number of advance heights in the vertical metrics (`vmtx`) table. pub fn number_of_long_ver_metrics(&self) -> u16 { let range = self.number_of_long_ver_metrics_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn version_byte_range(&self) -> Range { let start = 0; let end = start + Version16Dot16::RAW_BYTE_LEN; start..end } pub fn ascender_byte_range(&self) -> Range { let start = self.version_byte_range().end; let end = start + FWord::RAW_BYTE_LEN; start..end } pub fn descender_byte_range(&self) -> Range { let start = self.ascender_byte_range().end; let end = start + FWord::RAW_BYTE_LEN; start..end } pub fn line_gap_byte_range(&self) -> Range { let start = self.descender_byte_range().end; let end = start + FWord::RAW_BYTE_LEN; start..end } pub fn advance_height_max_byte_range(&self) -> Range { let start = self.line_gap_byte_range().end; let end = start + UfWord::RAW_BYTE_LEN; start..end } pub fn min_top_side_bearing_byte_range(&self) -> Range { let start = self.advance_height_max_byte_range().end; let end = start + FWord::RAW_BYTE_LEN; start..end } pub fn min_bottom_side_bearing_byte_range(&self) -> Range { let start = self.min_top_side_bearing_byte_range().end; let end = start + FWord::RAW_BYTE_LEN; start..end } pub fn y_max_extent_byte_range(&self) -> Range { let start = self.min_bottom_side_bearing_byte_range().end; let end = start + FWord::RAW_BYTE_LEN; start..end } pub fn caret_slope_rise_byte_range(&self) -> Range { let start = self.y_max_extent_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn caret_slope_run_byte_range(&self) -> Range { let start = self.caret_slope_rise_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn caret_offset_byte_range(&self) -> Range { let start = self.caret_slope_run_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn reserved1_byte_range(&self) -> Range { let start = self.caret_offset_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn reserved2_byte_range(&self) -> Range { let start = self.reserved1_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn reserved3_byte_range(&self) -> Range { let start = self.reserved2_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn reserved4_byte_range(&self) -> Range { let start = self.reserved3_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn metric_data_format_byte_range(&self) -> Range { let start = self.reserved4_byte_range().end; let end = start + i16::RAW_BYTE_LEN; start..end } pub fn number_of_long_ver_metrics_byte_range(&self) -> Range { let start = self.metric_data_format_byte_range().end; let end = start + u16::RAW_BYTE_LEN; start..end } } const _: () = assert!(FontData::default_data_long_enough(Vhea::MIN_SIZE)); impl Default for Vhea<'_> { fn default() -> Self { Self { data: FontData::default_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for Vhea<'a> { fn type_name(&self) -> &str { "Vhea" } fn get_field(&self, idx: usize) -> Option> { match idx { 0usize => Some(Field::new("version", self.version())), 1usize => Some(Field::new("ascender", self.ascender())), 2usize => Some(Field::new("descender", self.descender())), 3usize => Some(Field::new("line_gap", self.line_gap())), 4usize => Some(Field::new("advance_height_max", self.advance_height_max())), 5usize => Some(Field::new( "min_top_side_bearing", self.min_top_side_bearing(), )), 6usize => Some(Field::new( "min_bottom_side_bearing", self.min_bottom_side_bearing(), )), 7usize => Some(Field::new("y_max_extent", self.y_max_extent())), 8usize => Some(Field::new("caret_slope_rise", self.caret_slope_rise())), 9usize => Some(Field::new("caret_slope_run", self.caret_slope_run())), 10usize => Some(Field::new("caret_offset", self.caret_offset())), 11usize => Some(Field::new("metric_data_format", self.metric_data_format())), 12usize => Some(Field::new( "number_of_long_ver_metrics", self.number_of_long_ver_metrics(), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] impl<'a> std::fmt::Debug for Vhea<'a> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { (self as &dyn SomeTable<'a>).fmt(f) } }