124 lines
3.8 KiB
Rust
124 lines
3.8 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 [Color Bitmap Location](https://learn.microsoft.com/en-us/typography/opentype/spec/cblc) table
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#[derive(Debug, Clone, Copy)]
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#[doc(hidden)]
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pub struct CblcMarker {
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bitmap_sizes_byte_len: usize,
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}
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impl CblcMarker {
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pub fn major_version_byte_range(&self) -> Range<usize> {
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let start = 0;
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start..start + u16::RAW_BYTE_LEN
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}
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pub fn minor_version_byte_range(&self) -> Range<usize> {
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let start = self.major_version_byte_range().end;
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start..start + u16::RAW_BYTE_LEN
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}
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pub fn num_sizes_byte_range(&self) -> Range<usize> {
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let start = self.minor_version_byte_range().end;
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start..start + u32::RAW_BYTE_LEN
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}
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pub fn bitmap_sizes_byte_range(&self) -> Range<usize> {
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let start = self.num_sizes_byte_range().end;
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start..start + self.bitmap_sizes_byte_len
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}
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}
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impl MinByteRange for CblcMarker {
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fn min_byte_range(&self) -> Range<usize> {
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0..self.bitmap_sizes_byte_range().end
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}
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}
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impl TopLevelTable for Cblc<'_> {
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/// `CBLC`
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const TAG: Tag = Tag::new(b"CBLC");
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}
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impl<'a> FontRead<'a> for Cblc<'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::<u16>();
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cursor.advance::<u16>();
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let num_sizes: u32 = cursor.read()?;
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let bitmap_sizes_byte_len = (num_sizes as usize)
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.checked_mul(BitmapSize::RAW_BYTE_LEN)
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.ok_or(ReadError::OutOfBounds)?;
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cursor.advance_by(bitmap_sizes_byte_len);
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cursor.finish(CblcMarker {
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bitmap_sizes_byte_len,
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})
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}
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}
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/// The [Color Bitmap Location](https://learn.microsoft.com/en-us/typography/opentype/spec/cblc) table
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pub type Cblc<'a> = TableRef<'a, CblcMarker>;
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#[allow(clippy::needless_lifetimes)]
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impl<'a> Cblc<'a> {
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/// Major version of the CBLC table, = 3.
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pub fn major_version(&self) -> u16 {
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let range = self.shape.major_version_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Minor version of CBLC table, = 0.
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pub fn minor_version(&self) -> u16 {
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let range = self.shape.minor_version_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Number of BitmapSize records.
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pub fn num_sizes(&self) -> u32 {
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let range = self.shape.num_sizes_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// BitmapSize records array.
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pub fn bitmap_sizes(&self) -> &'a [BitmapSize] {
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let range = self.shape.bitmap_sizes_byte_range();
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self.data.read_array(range).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 Cblc<'a> {
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fn type_name(&self) -> &str {
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"Cblc"
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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("major_version", self.major_version())),
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1usize => Some(Field::new("minor_version", self.minor_version())),
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2usize => Some(Field::new("num_sizes", self.num_sizes())),
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3usize => Some(Field::new(
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"bitmap_sizes",
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traversal::FieldType::array_of_records(
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stringify!(BitmapSize),
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self.bitmap_sizes(),
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self.offset_data(),
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),
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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 Cblc<'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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