crates/read-fonts/generated/generated_post.rs - platform/external/rust/android-crates-io - Git at Google

 // 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::*;

 /// [post (PostScript)](https://docs.microsoft.com/en-us/typography/opentype/spec/post#header) table
 #[derive(Debug, Clone, Copy)]
 #[doc(hidden)]
 pub struct PostMarker {
     num_glyphs_byte_start: Option<usize>,
     glyph_name_index_byte_start: Option<usize>,
     glyph_name_index_byte_len: Option<usize>,
     string_data_byte_start: Option<usize>,
     string_data_byte_len: Option<usize>,
 }

 impl PostMarker {
     pub fn version_byte_range(&self) -> Range<usize> {
         let start = 0;
         start..start + Version16Dot16::RAW_BYTE_LEN
     }

     pub fn italic_angle_byte_range(&self) -> Range<usize> {
         let start = self.version_byte_range().end;
         start..start + Fixed::RAW_BYTE_LEN
     }

     pub fn underline_position_byte_range(&self) -> Range<usize> {
         let start = self.italic_angle_byte_range().end;
         start..start + FWord::RAW_BYTE_LEN
     }

     pub fn underline_thickness_byte_range(&self) -> Range<usize> {
         let start = self.underline_position_byte_range().end;
         start..start + FWord::RAW_BYTE_LEN
     }

     pub fn is_fixed_pitch_byte_range(&self) -> Range<usize> {
         let start = self.underline_thickness_byte_range().end;
         start..start + u32::RAW_BYTE_LEN
     }

     pub fn min_mem_type42_byte_range(&self) -> Range<usize> {
         let start = self.is_fixed_pitch_byte_range().end;
         start..start + u32::RAW_BYTE_LEN
     }

     pub fn max_mem_type42_byte_range(&self) -> Range<usize> {
         let start = self.min_mem_type42_byte_range().end;
         start..start + u32::RAW_BYTE_LEN
     }

     pub fn min_mem_type1_byte_range(&self) -> Range<usize> {
         let start = self.max_mem_type42_byte_range().end;
         start..start + u32::RAW_BYTE_LEN
     }

     pub fn max_mem_type1_byte_range(&self) -> Range<usize> {
         let start = self.min_mem_type1_byte_range().end;
         start..start + u32::RAW_BYTE_LEN
     }

     pub fn num_glyphs_byte_range(&self) -> Option<Range<usize>> {
         let start = self.num_glyphs_byte_start?;
         Some(start..start + u16::RAW_BYTE_LEN)
     }

     pub fn glyph_name_index_byte_range(&self) -> Option<Range<usize>> {
         let start = self.glyph_name_index_byte_start?;
         Some(start..start + self.glyph_name_index_byte_len?)
     }

     pub fn string_data_byte_range(&self) -> Option<Range<usize>> {
         let start = self.string_data_byte_start?;
         Some(start..start + self.string_data_byte_len?)
     }
 }

 impl MinByteRange for PostMarker {
     fn min_byte_range(&self) -> Range<usize> {
         0..self.max_mem_type1_byte_range().end
     }
 }

 impl TopLevelTable for Post<'_> {
     /// `post`
     const TAG: Tag = Tag::new(b"post");
 }

 impl<'a> FontRead<'a> for Post<'a> {
     fn read(data: FontData<'a>) -> Result<Self, ReadError> {
         let mut cursor = data.cursor();
         let version: Version16Dot16 = cursor.read()?;
         cursor.advance::<Fixed>();
         cursor.advance::<FWord>();
         cursor.advance::<FWord>();
         cursor.advance::<u32>();
         cursor.advance::<u32>();
         cursor.advance::<u32>();
         cursor.advance::<u32>();
         cursor.advance::<u32>();
         let num_glyphs_byte_start = version
             .compatible((2u16, 0u16))
             .then(|| cursor.position())
             .transpose()?;
         let num_glyphs = version
             .compatible((2u16, 0u16))
             .then(|| cursor.read::<u16>())
             .transpose()?
             .unwrap_or_default();
         let glyph_name_index_byte_start = version
             .compatible((2u16, 0u16))
             .then(|| cursor.position())
             .transpose()?;
         let glyph_name_index_byte_len = version.compatible((2u16, 0u16)).then_some(
             (num_glyphs as usize)
                 .checked_mul(u16::RAW_BYTE_LEN)
                 .ok_or(ReadError::OutOfBounds)?,
         );
         if let Some(value) = glyph_name_index_byte_len {
             cursor.advance_by(value);
         }
         let string_data_byte_start = version
             .compatible((2u16, 0u16))
             .then(|| cursor.position())
             .transpose()?;
         let string_data_byte_len = version
             .compatible((2u16, 0u16))
             .then_some(cursor.remaining_bytes());
         if let Some(value) = string_data_byte_len {
             cursor.advance_by(value);
         }
         cursor.finish(PostMarker {
             num_glyphs_byte_start,
             glyph_name_index_byte_start,
             glyph_name_index_byte_len,
             string_data_byte_start,
             string_data_byte_len,
         })
     }
 }

 /// [post (PostScript)](https://docs.microsoft.com/en-us/typography/opentype/spec/post#header) table
 pub type Post<'a> = TableRef<'a, PostMarker>;

 #[allow(clippy::needless_lifetimes)]
 impl<'a> Post<'a> {
     /// 0x00010000 for version 1.0 0x00020000 for version 2.0
     /// 0x00025000 for version 2.5 (deprecated) 0x00030000 for version
     /// 3.0
     pub fn version(&self) -> Version16Dot16 {
         let range = self.shape.version_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Italic angle in counter-clockwise degrees from the vertical.
     /// Zero for upright text, negative for text that leans to the
     /// right (forward).
     pub fn italic_angle(&self) -> Fixed {
         let range = self.shape.italic_angle_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// This is the suggested distance of the top of the underline from
     /// the baseline (negative values indicate below baseline). The
     /// PostScript definition of this FontInfo dictionary key (the y
     /// coordinate of the center of the stroke) is not used for
     /// historical reasons. The value of the PostScript key may be
     /// calculated by subtracting half the underlineThickness from the
     /// value of this field.
     pub fn underline_position(&self) -> FWord {
         let range = self.shape.underline_position_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Suggested values for the underline thickness. In general, the
     /// underline thickness should match the thickness of the
     /// underscore character (U+005F LOW LINE), and should also match
     /// the strikeout thickness, which is specified in the OS/2 table.
     pub fn underline_thickness(&self) -> FWord {
         let range = self.shape.underline_thickness_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Set to 0 if the font is proportionally spaced, non-zero if the
     /// font is not proportionally spaced (i.e. monospaced).
     pub fn is_fixed_pitch(&self) -> u32 {
         let range = self.shape.is_fixed_pitch_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Minimum memory usage when an OpenType font is downloaded.
     pub fn min_mem_type42(&self) -> u32 {
         let range = self.shape.min_mem_type42_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Maximum memory usage when an OpenType font is downloaded.
     pub fn max_mem_type42(&self) -> u32 {
         let range = self.shape.max_mem_type42_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Minimum memory usage when an OpenType font is downloaded as a
     /// Type 1 font.
     pub fn min_mem_type1(&self) -> u32 {
         let range = self.shape.min_mem_type1_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Maximum memory usage when an OpenType font is downloaded as a
     /// Type 1 font.
     pub fn max_mem_type1(&self) -> u32 {
         let range = self.shape.max_mem_type1_byte_range();
         self.data.read_at(range.start).unwrap()
     }

     /// Number of glyphs (this should be the same as numGlyphs in
     /// 'maxp' table).
     pub fn num_glyphs(&self) -> Option<u16> {
         let range = self.shape.num_glyphs_byte_range()?;
         Some(self.data.read_at(range.start).unwrap())
     }

     /// Array of indices into the string data. See below for details.
     pub fn glyph_name_index(&self) -> Option<&'a [BigEndian<u16>]> {
         let range = self.shape.glyph_name_index_byte_range()?;
         Some(self.data.read_array(range).unwrap())
     }

     /// Storage for the string data.
     pub fn string_data(&self) -> Option<VarLenArray<'a, PString<'a>>> {
         let range = self.shape.string_data_byte_range()?;
         Some(VarLenArray::read(self.data.split_off(range.start).unwrap()).unwrap())
     }
 }

 #[cfg(feature = "experimental_traverse")]
 impl<'a> SomeTable<'a> for Post<'a> {
     fn type_name(&self) -> &str {
         "Post"
     }
     fn get_field(&self, idx: usize) -> Option<Field<'a>> {
         let version = self.version();
         match idx {
             0usize => Some(Field::new("version", self.version())),
             1usize => Some(Field::new("italic_angle", self.italic_angle())),
             2usize => Some(Field::new("underline_position", self.underline_position())),
             3usize => Some(Field::new(
                 "underline_thickness",
                 self.underline_thickness(),
             )),
             4usize => Some(Field::new("is_fixed_pitch", self.is_fixed_pitch())),
             5usize => Some(Field::new("min_mem_type42", self.min_mem_type42())),
             6usize => Some(Field::new("max_mem_type42", self.max_mem_type42())),
             7usize => Some(Field::new("min_mem_type1", self.min_mem_type1())),
             8usize => Some(Field::new("max_mem_type1", self.max_mem_type1())),
             9usize if version.compatible((2u16, 0u16)) => {
                 Some(Field::new("num_glyphs", self.num_glyphs().unwrap()))
             }
             10usize if version.compatible((2u16, 0u16)) => Some(Field::new(
                 "glyph_name_index",
                 self.glyph_name_index().unwrap(),
             )),
             11usize if version.compatible((2u16, 0u16)) => {
                 Some(Field::new("string_data", self.traverse_string_data()))
             }
             _ => None,
         }
     }
 }

 #[cfg(feature = "experimental_traverse")]
 #[allow(clippy::needless_lifetimes)]
 impl<'a> std::fmt::Debug for Post<'a> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         (self as &dyn SomeTable<'a>).fmt(f)
     }
 }
	// 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::*;

	/// [post (PostScript)](https://docs.microsoft.com/en-us/typography/opentype/spec/post#header) table
	#[derive(Debug, Clone, Copy)]
	#[doc(hidden)]
	pub struct PostMarker {
	num_glyphs_byte_start: Option<usize>,
	glyph_name_index_byte_start: Option<usize>,
	glyph_name_index_byte_len: Option<usize>,
	string_data_byte_start: Option<usize>,
	string_data_byte_len: Option<usize>,
	}

	impl PostMarker {
	pub fn version_byte_range(&self) -> Range<usize> {
	let start = 0;
	start..start + Version16Dot16::RAW_BYTE_LEN
	}

	pub fn italic_angle_byte_range(&self) -> Range<usize> {
	let start = self.version_byte_range().end;
	start..start + Fixed::RAW_BYTE_LEN
	}

	pub fn underline_position_byte_range(&self) -> Range<usize> {
	let start = self.italic_angle_byte_range().end;
	start..start + FWord::RAW_BYTE_LEN
	}

	pub fn underline_thickness_byte_range(&self) -> Range<usize> {
	let start = self.underline_position_byte_range().end;
	start..start + FWord::RAW_BYTE_LEN
	}

	pub fn is_fixed_pitch_byte_range(&self) -> Range<usize> {
	let start = self.underline_thickness_byte_range().end;
	start..start + u32::RAW_BYTE_LEN
	}

	pub fn min_mem_type42_byte_range(&self) -> Range<usize> {
	let start = self.is_fixed_pitch_byte_range().end;
	start..start + u32::RAW_BYTE_LEN
	}

	pub fn max_mem_type42_byte_range(&self) -> Range<usize> {
	let start = self.min_mem_type42_byte_range().end;
	start..start + u32::RAW_BYTE_LEN
	}

	pub fn min_mem_type1_byte_range(&self) -> Range<usize> {
	let start = self.max_mem_type42_byte_range().end;
	start..start + u32::RAW_BYTE_LEN
	}

	pub fn max_mem_type1_byte_range(&self) -> Range<usize> {
	let start = self.min_mem_type1_byte_range().end;
	start..start + u32::RAW_BYTE_LEN
	}

	pub fn num_glyphs_byte_range(&self) -> Option<Range<usize>> {
	let start = self.num_glyphs_byte_start?;
	Some(start..start + u16::RAW_BYTE_LEN)
	}

	pub fn glyph_name_index_byte_range(&self) -> Option<Range<usize>> {
	let start = self.glyph_name_index_byte_start?;
	Some(start..start + self.glyph_name_index_byte_len?)
	}

	pub fn string_data_byte_range(&self) -> Option<Range<usize>> {
	let start = self.string_data_byte_start?;
	Some(start..start + self.string_data_byte_len?)
	}
	}

	impl MinByteRange for PostMarker {
	fn min_byte_range(&self) -> Range<usize> {
	0..self.max_mem_type1_byte_range().end
	}
	}

	impl TopLevelTable for Post<'_> {
	/// `post`
	const TAG: Tag = Tag::new(b"post");
	}

	impl<'a> FontRead<'a> for Post<'a> {
	fn read(data: FontData<'a>) -> Result<Self, ReadError> {
	let mut cursor = data.cursor();
	let version: Version16Dot16 = cursor.read()?;
	cursor.advance::<Fixed>();
	cursor.advance::<FWord>();
	cursor.advance::<FWord>();
	cursor.advance::<u32>();
	cursor.advance::<u32>();
	cursor.advance::<u32>();
	cursor.advance::<u32>();
	cursor.advance::<u32>();
	let num_glyphs_byte_start = version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.position())
	.transpose()?;
	let num_glyphs = version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.read::<u16>())
	.transpose()?
	.unwrap_or_default();
	let glyph_name_index_byte_start = version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.position())
	.transpose()?;
	let glyph_name_index_byte_len = version.compatible((2u16, 0u16)).then_some(
	(num_glyphs as usize)
	.checked_mul(u16::RAW_BYTE_LEN)
	.ok_or(ReadError::OutOfBounds)?,
	);
	if let Some(value) = glyph_name_index_byte_len {
	cursor.advance_by(value);
	}
	let string_data_byte_start = version
	.compatible((2u16, 0u16))
	.then(\|\| cursor.position())
	.transpose()?;
	let string_data_byte_len = version
	.compatible((2u16, 0u16))
	.then_some(cursor.remaining_bytes());
	if let Some(value) = string_data_byte_len {
	cursor.advance_by(value);
	}
	cursor.finish(PostMarker {
	num_glyphs_byte_start,
	glyph_name_index_byte_start,
	glyph_name_index_byte_len,
	string_data_byte_start,
	string_data_byte_len,
	})
	}
	}

	/// [post (PostScript)](https://docs.microsoft.com/en-us/typography/opentype/spec/post#header) table
	pub type Post<'a> = TableRef<'a, PostMarker>;

	#[allow(clippy::needless_lifetimes)]
	impl<'a> Post<'a> {
	/// 0x00010000 for version 1.0 0x00020000 for version 2.0
	/// 0x00025000 for version 2.5 (deprecated) 0x00030000 for version
	/// 3.0
	pub fn version(&self) -> Version16Dot16 {
	let range = self.shape.version_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Italic angle in counter-clockwise degrees from the vertical.
	/// Zero for upright text, negative for text that leans to the
	/// right (forward).
	pub fn italic_angle(&self) -> Fixed {
	let range = self.shape.italic_angle_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// This is the suggested distance of the top of the underline from
	/// the baseline (negative values indicate below baseline). The
	/// PostScript definition of this FontInfo dictionary key (the y
	/// coordinate of the center of the stroke) is not used for
	/// historical reasons. The value of the PostScript key may be
	/// calculated by subtracting half the underlineThickness from the
	/// value of this field.
	pub fn underline_position(&self) -> FWord {
	let range = self.shape.underline_position_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Suggested values for the underline thickness. In general, the
	/// underline thickness should match the thickness of the
	/// underscore character (U+005F LOW LINE), and should also match
	/// the strikeout thickness, which is specified in the OS/2 table.
	pub fn underline_thickness(&self) -> FWord {
	let range = self.shape.underline_thickness_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Set to 0 if the font is proportionally spaced, non-zero if the
	/// font is not proportionally spaced (i.e. monospaced).
	pub fn is_fixed_pitch(&self) -> u32 {
	let range = self.shape.is_fixed_pitch_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Minimum memory usage when an OpenType font is downloaded.
	pub fn min_mem_type42(&self) -> u32 {
	let range = self.shape.min_mem_type42_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Maximum memory usage when an OpenType font is downloaded.
	pub fn max_mem_type42(&self) -> u32 {
	let range = self.shape.max_mem_type42_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Minimum memory usage when an OpenType font is downloaded as a
	/// Type 1 font.
	pub fn min_mem_type1(&self) -> u32 {
	let range = self.shape.min_mem_type1_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Maximum memory usage when an OpenType font is downloaded as a
	/// Type 1 font.
	pub fn max_mem_type1(&self) -> u32 {
	let range = self.shape.max_mem_type1_byte_range();
	self.data.read_at(range.start).unwrap()
	}

	/// Number of glyphs (this should be the same as numGlyphs in
	/// 'maxp' table).
	pub fn num_glyphs(&self) -> Option<u16> {
	let range = self.shape.num_glyphs_byte_range()?;
	Some(self.data.read_at(range.start).unwrap())
	}

	/// Array of indices into the string data. See below for details.
	pub fn glyph_name_index(&self) -> Option<&'a [BigEndian<u16>]> {
	let range = self.shape.glyph_name_index_byte_range()?;
	Some(self.data.read_array(range).unwrap())
	}

	/// Storage for the string data.
	pub fn string_data(&self) -> Option<VarLenArray<'a, PString<'a>>> {
	let range = self.shape.string_data_byte_range()?;
	Some(VarLenArray::read(self.data.split_off(range.start).unwrap()).unwrap())
	}
	}

	#[cfg(feature = "experimental_traverse")]
	impl<'a> SomeTable<'a> for Post<'a> {
	fn type_name(&self) -> &str {
	"Post"
	}
	fn get_field(&self, idx: usize) -> Option<Field<'a>> {
	let version = self.version();
	match idx {
	0usize => Some(Field::new("version", self.version())),
	1usize => Some(Field::new("italic_angle", self.italic_angle())),
	2usize => Some(Field::new("underline_position", self.underline_position())),
	3usize => Some(Field::new(
	"underline_thickness",
	self.underline_thickness(),
	)),
	4usize => Some(Field::new("is_fixed_pitch", self.is_fixed_pitch())),
	5usize => Some(Field::new("min_mem_type42", self.min_mem_type42())),
	6usize => Some(Field::new("max_mem_type42", self.max_mem_type42())),
	7usize => Some(Field::new("min_mem_type1", self.min_mem_type1())),
	8usize => Some(Field::new("max_mem_type1", self.max_mem_type1())),
	9usize if version.compatible((2u16, 0u16)) => {
	Some(Field::new("num_glyphs", self.num_glyphs().unwrap()))
	}
	10usize if version.compatible((2u16, 0u16)) => Some(Field::new(
	"glyph_name_index",
	self.glyph_name_index().unwrap(),
	)),
	11usize if version.compatible((2u16, 0u16)) => {
	Some(Field::new("string_data", self.traverse_string_data()))
	}
	_ => None,
	}
	}
	}

	#[cfg(feature = "experimental_traverse")]
	#[allow(clippy::needless_lifetimes)]
	impl<'a> std::fmt::Debug for Post<'a> {
	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
	(self as &dyn SomeTable<'a>).fmt(f)
	}
	}