// 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::*; /// [hhea](https://docs.microsoft.com/en-us/typography/opentype/spec/hhea) Horizontal Header Table #[derive(Debug, Clone, Copy)] #[doc(hidden)] pub struct HheaMarker {} impl HheaMarker { pub fn version_byte_range(&self) -> Range { let start = 0; start..start + MajorMinor::RAW_BYTE_LEN } pub fn ascender_byte_range(&self) -> Range { let start = self.version_byte_range().end; start..start + FWord::RAW_BYTE_LEN } pub fn descender_byte_range(&self) -> Range { let start = self.ascender_byte_range().end; start..start + FWord::RAW_BYTE_LEN } pub fn line_gap_byte_range(&self) -> Range { let start = self.descender_byte_range().end; start..start + FWord::RAW_BYTE_LEN } pub fn advance_width_max_byte_range(&self) -> Range { let start = self.line_gap_byte_range().end; start..start + UfWord::RAW_BYTE_LEN } pub fn min_left_side_bearing_byte_range(&self) -> Range { let start = self.advance_width_max_byte_range().end; start..start + FWord::RAW_BYTE_LEN } pub fn min_right_side_bearing_byte_range(&self) -> Range { let start = self.min_left_side_bearing_byte_range().end; start..start + FWord::RAW_BYTE_LEN } pub fn x_max_extent_byte_range(&self) -> Range { let start = self.min_right_side_bearing_byte_range().end; start..start + FWord::RAW_BYTE_LEN } pub fn caret_slope_rise_byte_range(&self) -> Range { let start = self.x_max_extent_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn caret_slope_run_byte_range(&self) -> Range { let start = self.caret_slope_rise_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn caret_offset_byte_range(&self) -> Range { let start = self.caret_slope_run_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn reserved1_byte_range(&self) -> Range { let start = self.caret_offset_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn reserved2_byte_range(&self) -> Range { let start = self.reserved1_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn reserved3_byte_range(&self) -> Range { let start = self.reserved2_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn reserved4_byte_range(&self) -> Range { let start = self.reserved3_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn metric_data_format_byte_range(&self) -> Range { let start = self.reserved4_byte_range().end; start..start + i16::RAW_BYTE_LEN } pub fn number_of_h_metrics_byte_range(&self) -> Range { let start = self.metric_data_format_byte_range().end; start..start + u16::RAW_BYTE_LEN } } impl MinByteRange for HheaMarker { fn min_byte_range(&self) -> Range { 0..self.number_of_h_metrics_byte_range().end } } impl TopLevelTable for Hhea<'_> { /// `hhea` const TAG: Tag = Tag::new(b"hhea"); } impl<'a> FontRead<'a> for Hhea<'a> { fn read(data: FontData<'a>) -> Result { let mut cursor = data.cursor(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.advance::(); cursor.finish(HheaMarker {}) } } /// [hhea](https://docs.microsoft.com/en-us/typography/opentype/spec/hhea) Horizontal Header Table pub type Hhea<'a> = TableRef<'a, HheaMarker>; #[allow(clippy::needless_lifetimes)] impl<'a> Hhea<'a> { /// The major/minor version (1, 0) pub fn version(&self) -> MajorMinor { let range = self.shape.version_byte_range(); self.data.read_at(range.start).unwrap() } /// Typographic ascent. pub fn ascender(&self) -> FWord { let range = self.shape.ascender_byte_range(); self.data.read_at(range.start).unwrap() } /// Typographic descent. pub fn descender(&self) -> FWord { let range = self.shape.descender_byte_range(); self.data.read_at(range.start).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.shape.line_gap_byte_range(); self.data.read_at(range.start).unwrap() } /// Maximum advance width value in 'hmtx' table. pub fn advance_width_max(&self) -> UfWord { let range = self.shape.advance_width_max_byte_range(); self.data.read_at(range.start).unwrap() } /// Minimum left sidebearing value in 'hmtx' table for glyphs with /// contours (empty glyphs should be ignored). pub fn min_left_side_bearing(&self) -> FWord { let range = self.shape.min_left_side_bearing_byte_range(); self.data.read_at(range.start).unwrap() } /// Minimum right sidebearing value; calculated as min(aw - (lsb + /// xMax - xMin)) for glyphs with contours (empty glyphs should be ignored). pub fn min_right_side_bearing(&self) -> FWord { let range = self.shape.min_right_side_bearing_byte_range(); self.data.read_at(range.start).unwrap() } /// Max(lsb + (xMax-xMin)) pub fn x_max_extent(&self) -> FWord { let range = self.shape.x_max_extent_byte_range(); self.data.read_at(range.start).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.shape.caret_slope_rise_byte_range(); self.data.read_at(range.start).unwrap() } /// 0 for vertical caret, 1 for horizontal. pub fn caret_slope_run(&self) -> i16 { let range = self.shape.caret_slope_run_byte_range(); self.data.read_at(range.start).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.shape.caret_offset_byte_range(); self.data.read_at(range.start).unwrap() } /// 0 for current format. pub fn metric_data_format(&self) -> i16 { let range = self.shape.metric_data_format_byte_range(); self.data.read_at(range.start).unwrap() } /// Number of hMetric entries in 'hmtx' table pub fn number_of_h_metrics(&self) -> u16 { let range = self.shape.number_of_h_metrics_byte_range(); self.data.read_at(range.start).unwrap() } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for Hhea<'a> { fn type_name(&self) -> &str { "Hhea" } 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_width_max", self.advance_width_max())), 5usize => Some(Field::new( "min_left_side_bearing", self.min_left_side_bearing(), )), 6usize => Some(Field::new( "min_right_side_bearing", self.min_right_side_bearing(), )), 7usize => Some(Field::new("x_max_extent", self.x_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_h_metrics", self.number_of_h_metrics(), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] impl<'a> std::fmt::Debug for Hhea<'a> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { (self as &dyn SomeTable<'a>).fmt(f) } }