265 lines
8.9 KiB
Rust
265 lines
8.9 KiB
Rust
// THIS FILE IS AUTOGENERATED.
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// Any changes to this file will be overwritten.
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// For more information about how codegen works, see font-codegen/README.md
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#[allow(unused_imports)]
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use crate::codegen_prelude::*;
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/// The [vhea](https://docs.microsoft.com/en-us/typography/opentype/spec/vhea) Vertical Header Table
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#[derive(Debug, Clone, Copy)]
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#[doc(hidden)]
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pub struct VheaMarker {}
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impl VheaMarker {
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pub fn version_byte_range(&self) -> Range<usize> {
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let start = 0;
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start..start + Version16Dot16::RAW_BYTE_LEN
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}
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pub fn ascender_byte_range(&self) -> Range<usize> {
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let start = self.version_byte_range().end;
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start..start + FWord::RAW_BYTE_LEN
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}
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pub fn descender_byte_range(&self) -> Range<usize> {
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let start = self.ascender_byte_range().end;
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start..start + FWord::RAW_BYTE_LEN
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}
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pub fn line_gap_byte_range(&self) -> Range<usize> {
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let start = self.descender_byte_range().end;
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start..start + FWord::RAW_BYTE_LEN
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}
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pub fn advance_height_max_byte_range(&self) -> Range<usize> {
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let start = self.line_gap_byte_range().end;
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start..start + UfWord::RAW_BYTE_LEN
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}
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pub fn min_top_side_bearing_byte_range(&self) -> Range<usize> {
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let start = self.advance_height_max_byte_range().end;
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start..start + FWord::RAW_BYTE_LEN
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}
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pub fn min_bottom_side_bearing_byte_range(&self) -> Range<usize> {
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let start = self.min_top_side_bearing_byte_range().end;
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start..start + FWord::RAW_BYTE_LEN
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}
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pub fn y_max_extent_byte_range(&self) -> Range<usize> {
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let start = self.min_bottom_side_bearing_byte_range().end;
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start..start + FWord::RAW_BYTE_LEN
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}
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pub fn caret_slope_rise_byte_range(&self) -> Range<usize> {
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let start = self.y_max_extent_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn caret_slope_run_byte_range(&self) -> Range<usize> {
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let start = self.caret_slope_rise_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn caret_offset_byte_range(&self) -> Range<usize> {
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let start = self.caret_slope_run_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn reserved1_byte_range(&self) -> Range<usize> {
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let start = self.caret_offset_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn reserved2_byte_range(&self) -> Range<usize> {
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let start = self.reserved1_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn reserved3_byte_range(&self) -> Range<usize> {
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let start = self.reserved2_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn reserved4_byte_range(&self) -> Range<usize> {
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let start = self.reserved3_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn metric_data_format_byte_range(&self) -> Range<usize> {
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let start = self.reserved4_byte_range().end;
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start..start + i16::RAW_BYTE_LEN
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}
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pub fn number_of_long_ver_metrics_byte_range(&self) -> Range<usize> {
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let start = self.metric_data_format_byte_range().end;
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start..start + u16::RAW_BYTE_LEN
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}
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}
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impl MinByteRange for VheaMarker {
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fn min_byte_range(&self) -> Range<usize> {
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0..self.number_of_long_ver_metrics_byte_range().end
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}
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}
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impl TopLevelTable for Vhea<'_> {
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/// `vhea`
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const TAG: Tag = Tag::new(b"vhea");
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}
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impl<'a> FontRead<'a> for Vhea<'a> {
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fn read(data: FontData<'a>) -> Result<Self, ReadError> {
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let mut cursor = data.cursor();
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cursor.advance::<Version16Dot16>();
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cursor.advance::<FWord>();
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cursor.advance::<FWord>();
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cursor.advance::<FWord>();
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cursor.advance::<UfWord>();
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cursor.advance::<FWord>();
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cursor.advance::<FWord>();
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cursor.advance::<FWord>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<i16>();
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cursor.advance::<u16>();
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cursor.finish(VheaMarker {})
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}
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}
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/// The [vhea](https://docs.microsoft.com/en-us/typography/opentype/spec/vhea) Vertical Header Table
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pub type Vhea<'a> = TableRef<'a, VheaMarker>;
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#[allow(clippy::needless_lifetimes)]
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impl<'a> Vhea<'a> {
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/// The major/minor version (1, 1)
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pub fn version(&self) -> Version16Dot16 {
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let range = self.shape.version_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Typographic ascent.
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pub fn ascender(&self) -> FWord {
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let range = self.shape.ascender_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Typographic descent.
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pub fn descender(&self) -> FWord {
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let range = self.shape.descender_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Typographic line gap. Negative LineGap values are treated as
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/// zero in some legacy platform implementations.
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pub fn line_gap(&self) -> FWord {
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let range = self.shape.line_gap_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Maximum advance height value in 'vmtx' table.
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pub fn advance_height_max(&self) -> UfWord {
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let range = self.shape.advance_height_max_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Minimum top sidebearing value in 'vmtx' table for glyphs with
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/// contours (empty glyphs should be ignored).
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pub fn min_top_side_bearing(&self) -> FWord {
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let range = self.shape.min_top_side_bearing_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Minimum bottom sidebearing value
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pub fn min_bottom_side_bearing(&self) -> FWord {
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let range = self.shape.min_bottom_side_bearing_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Defined as max( tsb + (yMax-yMin)).
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pub fn y_max_extent(&self) -> FWord {
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let range = self.shape.y_max_extent_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Used to calculate the slope of the cursor (rise/run); 1 for
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/// vertical caret, 0 for horizontal.
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pub fn caret_slope_rise(&self) -> i16 {
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let range = self.shape.caret_slope_rise_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// 0 for vertical caret, 1 for horizontal.
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pub fn caret_slope_run(&self) -> i16 {
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let range = self.shape.caret_slope_run_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// The amount by which a slanted highlight on a glyph needs to be
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/// shifted to produce the best appearance. Set to 0 for
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/// non-slanted fonts
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pub fn caret_offset(&self) -> i16 {
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let range = self.shape.caret_offset_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// 0 for current format.
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pub fn metric_data_format(&self) -> i16 {
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let range = self.shape.metric_data_format_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Number of advance heights in the vertical metrics (`vmtx`) table.
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pub fn number_of_long_ver_metrics(&self) -> u16 {
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let range = self.shape.number_of_long_ver_metrics_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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}
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#[cfg(feature = "experimental_traverse")]
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impl<'a> SomeTable<'a> for Vhea<'a> {
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fn type_name(&self) -> &str {
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"Vhea"
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}
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fn get_field(&self, idx: usize) -> Option<Field<'a>> {
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match idx {
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0usize => Some(Field::new("version", self.version())),
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1usize => Some(Field::new("ascender", self.ascender())),
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2usize => Some(Field::new("descender", self.descender())),
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3usize => Some(Field::new("line_gap", self.line_gap())),
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4usize => Some(Field::new("advance_height_max", self.advance_height_max())),
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5usize => Some(Field::new(
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"min_top_side_bearing",
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self.min_top_side_bearing(),
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)),
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6usize => Some(Field::new(
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"min_bottom_side_bearing",
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self.min_bottom_side_bearing(),
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)),
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7usize => Some(Field::new("y_max_extent", self.y_max_extent())),
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8usize => Some(Field::new("caret_slope_rise", self.caret_slope_rise())),
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9usize => Some(Field::new("caret_slope_run", self.caret_slope_run())),
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10usize => Some(Field::new("caret_offset", self.caret_offset())),
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11usize => Some(Field::new("metric_data_format", self.metric_data_format())),
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12usize => Some(Field::new(
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"number_of_long_ver_metrics",
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self.number_of_long_ver_metrics(),
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)),
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_ => None,
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}
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}
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}
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#[cfg(feature = "experimental_traverse")]
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#[allow(clippy::needless_lifetimes)]
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impl<'a> std::fmt::Debug for Vhea<'a> {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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(self as &dyn SomeTable<'a>).fmt(f)
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}
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}
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