| // 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<usize> { |
| let start = 0; |
| start..start + MajorMinor::RAW_BYTE_LEN |
| } |
| |
| pub fn ascender_byte_range(&self) -> Range<usize> { |
| let start = self.version_byte_range().end; |
| start..start + FWord::RAW_BYTE_LEN |
| } |
| |
| pub fn descender_byte_range(&self) -> Range<usize> { |
| let start = self.ascender_byte_range().end; |
| start..start + FWord::RAW_BYTE_LEN |
| } |
| |
| pub fn line_gap_byte_range(&self) -> Range<usize> { |
| let start = self.descender_byte_range().end; |
| start..start + FWord::RAW_BYTE_LEN |
| } |
| |
| pub fn advance_width_max_byte_range(&self) -> Range<usize> { |
| let start = self.line_gap_byte_range().end; |
| start..start + UfWord::RAW_BYTE_LEN |
| } |
| |
| pub fn min_left_side_bearing_byte_range(&self) -> Range<usize> { |
| 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<usize> { |
| 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<usize> { |
| 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<usize> { |
| let start = self.x_max_extent_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn caret_slope_run_byte_range(&self) -> Range<usize> { |
| let start = self.caret_slope_rise_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn caret_offset_byte_range(&self) -> Range<usize> { |
| let start = self.caret_slope_run_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn reserved1_byte_range(&self) -> Range<usize> { |
| let start = self.caret_offset_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn reserved2_byte_range(&self) -> Range<usize> { |
| let start = self.reserved1_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn reserved3_byte_range(&self) -> Range<usize> { |
| let start = self.reserved2_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn reserved4_byte_range(&self) -> Range<usize> { |
| let start = self.reserved3_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn metric_data_format_byte_range(&self) -> Range<usize> { |
| let start = self.reserved4_byte_range().end; |
| start..start + i16::RAW_BYTE_LEN |
| } |
| |
| pub fn number_of_h_metrics_byte_range(&self) -> Range<usize> { |
| 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<usize> { |
| 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<Self, ReadError> { |
| let mut cursor = data.cursor(); |
| cursor.advance::<MajorMinor>(); |
| cursor.advance::<FWord>(); |
| cursor.advance::<FWord>(); |
| cursor.advance::<FWord>(); |
| cursor.advance::<UfWord>(); |
| cursor.advance::<FWord>(); |
| cursor.advance::<FWord>(); |
| cursor.advance::<FWord>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<i16>(); |
| cursor.advance::<u16>(); |
| 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<Field<'a>> { |
| 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) |
| } |
| } |
