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// 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 Post<'a> {
fn min_byte_range(&self) -> Range<usize> {
0..self.max_mem_type1_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 Post<'_> {
/// `post`
const TAG: Tag = Tag::new(b"post");
}
impl<'a> FontRead<'a> for Post<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
#[allow(clippy::absurd_extreme_comparisons)]
if data.len() < Self::MIN_SIZE {
return Err(ReadError::OutOfBounds);
}
Ok(Self { data })
}
}
/// [post (PostScript)](https://docs.microsoft.com/en-us/typography/opentype/spec/post#header) table
#[derive(Clone)]
pub struct Post<'a> {
data: FontData<'a>,
}
#[allow(clippy::needless_lifetimes)]
impl<'a> Post<'a> {
pub const MIN_SIZE: usize = (Version16Dot16::RAW_BYTE_LEN
+ Fixed::RAW_BYTE_LEN
+ FWord::RAW_BYTE_LEN
+ FWord::RAW_BYTE_LEN
+ u32::RAW_BYTE_LEN
+ u32::RAW_BYTE_LEN
+ u32::RAW_BYTE_LEN
+ u32::RAW_BYTE_LEN
+ u32::RAW_BYTE_LEN);
basic_table_impls!(impl_the_methods);
/// 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.version_byte_range();
self.data.read_at(range.start).ok().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.italic_angle_byte_range();
self.data.read_at(range.start).ok().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.underline_position_byte_range();
self.data.read_at(range.start).ok().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.underline_thickness_byte_range();
self.data.read_at(range.start).ok().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.is_fixed_pitch_byte_range();
self.data.read_at(range.start).ok().unwrap()
}
/// Minimum memory usage when an OpenType font is downloaded.
pub fn min_mem_type42(&self) -> u32 {
let range = self.min_mem_type42_byte_range();
self.data.read_at(range.start).ok().unwrap()
}
/// Maximum memory usage when an OpenType font is downloaded.
pub fn max_mem_type42(&self) -> u32 {
let range = self.max_mem_type42_byte_range();
self.data.read_at(range.start).ok().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.min_mem_type1_byte_range();
self.data.read_at(range.start).ok().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.max_mem_type1_byte_range();
self.data.read_at(range.start).ok().unwrap()
}
/// Number of glyphs (this should be the same as numGlyphs in
/// 'maxp' table).
pub fn num_glyphs(&self) -> Option<u16> {
let range = self.num_glyphs_byte_range();
(!range.is_empty())
.then(|| self.data.read_at(range.start).ok())
.flatten()
}
/// Array of indices into the string data. See below for details.
pub fn glyph_name_index(&self) -> Option<&'a [BigEndian<u16>]> {
let range = self.glyph_name_index_byte_range();
(!range.is_empty())
.then(|| self.data.read_array(range).ok())
.flatten()
}
/// Storage for the string data.
pub fn string_data(&self) -> Option<VarLenArray<'a, PString<'a>>> {
let range = self.string_data_byte_range();
(!range.is_empty())
.then(|| {
self.data
.split_off(range.start)
.and_then(|d| VarLenArray::read(d).ok())
})
.flatten()
}
pub fn version_byte_range(&self) -> Range<usize> {
let start = 0;
let end = start + Version16Dot16::RAW_BYTE_LEN;
start..end
}
pub fn italic_angle_byte_range(&self) -> Range<usize> {
let start = self.version_byte_range().end;
let end = start + Fixed::RAW_BYTE_LEN;
start..end
}
pub fn underline_position_byte_range(&self) -> Range<usize> {
let start = self.italic_angle_byte_range().end;
let end = start + FWord::RAW_BYTE_LEN;
start..end
}
pub fn underline_thickness_byte_range(&self) -> Range<usize> {
let start = self.underline_position_byte_range().end;
let end = start + FWord::RAW_BYTE_LEN;
start..end
}
pub fn is_fixed_pitch_byte_range(&self) -> Range<usize> {
let start = self.underline_thickness_byte_range().end;
let end = start + u32::RAW_BYTE_LEN;
start..end
}
pub fn min_mem_type42_byte_range(&self) -> Range<usize> {
let start = self.is_fixed_pitch_byte_range().end;
let end = start + u32::RAW_BYTE_LEN;
start..end
}
pub fn max_mem_type42_byte_range(&self) -> Range<usize> {
let start = self.min_mem_type42_byte_range().end;
let end = start + u32::RAW_BYTE_LEN;
start..end
}
pub fn min_mem_type1_byte_range(&self) -> Range<usize> {
let start = self.max_mem_type42_byte_range().end;
let end = start + u32::RAW_BYTE_LEN;
start..end
}
pub fn max_mem_type1_byte_range(&self) -> Range<usize> {
let start = self.min_mem_type1_byte_range().end;
let end = start + u32::RAW_BYTE_LEN;
start..end
}
pub fn num_glyphs_byte_range(&self) -> Range<usize> {
let start = self.max_mem_type1_byte_range().end;
let end = if self.version().compatible((2u16, 0u16)) {
start + u16::RAW_BYTE_LEN
} else {
start
};
start..end
}
pub fn glyph_name_index_byte_range(&self) -> Range<usize> {
let num_glyphs = self.num_glyphs().unwrap_or_default();
let start = self.num_glyphs_byte_range().end;
let end = if self.version().compatible((2u16, 0u16)) {
start + (transforms::to_usize(num_glyphs)).saturating_mul(u16::RAW_BYTE_LEN)
} else {
start
};
start..end
}
pub fn string_data_byte_range(&self) -> Range<usize> {
let start = self.glyph_name_index_byte_range().end;
let end = if self.version().compatible((2u16, 0u16)) {
start + self.data.len().saturating_sub(start)
} else {
start
};
start..end
}
}
const _: () = assert!(FontData::default_data_long_enough(Post::MIN_SIZE));
impl Default for Post<'_> {
fn default() -> Self {
Self {
data: FontData::default_table_data(),
}
}
}
#[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>> {
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 self.version().compatible((2u16, 0u16)) => {
Some(Field::new("num_glyphs", self.num_glyphs().unwrap()))
}
10usize if self.version().compatible((2u16, 0u16)) => Some(Field::new(
"glyph_name_index",
self.glyph_name_index().unwrap(),
)),
11usize if self.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)
}
}