read_fonts/generated/
generated_eblc.rs

1// THIS FILE IS AUTOGENERATED.
2// Any changes to this file will be overwritten.
3// For more information about how codegen works, see font-codegen/README.md
4
5#[allow(unused_imports)]
6use crate::codegen_prelude::*;
7
8/// The [Embedded Bitmap Location](https://learn.microsoft.com/en-us/typography/opentype/spec/eblc) table
9#[derive(Debug, Clone, Copy)]
10#[doc(hidden)]
11pub struct EblcMarker {
12    bitmap_sizes_byte_len: usize,
13}
14
15impl EblcMarker {
16    pub fn major_version_byte_range(&self) -> Range<usize> {
17        let start = 0;
18        start..start + u16::RAW_BYTE_LEN
19    }
20
21    pub fn minor_version_byte_range(&self) -> Range<usize> {
22        let start = self.major_version_byte_range().end;
23        start..start + u16::RAW_BYTE_LEN
24    }
25
26    pub fn num_sizes_byte_range(&self) -> Range<usize> {
27        let start = self.minor_version_byte_range().end;
28        start..start + u32::RAW_BYTE_LEN
29    }
30
31    pub fn bitmap_sizes_byte_range(&self) -> Range<usize> {
32        let start = self.num_sizes_byte_range().end;
33        start..start + self.bitmap_sizes_byte_len
34    }
35}
36
37impl MinByteRange for EblcMarker {
38    fn min_byte_range(&self) -> Range<usize> {
39        0..self.bitmap_sizes_byte_range().end
40    }
41}
42
43impl TopLevelTable for Eblc<'_> {
44    /// `EBLC`
45    const TAG: Tag = Tag::new(b"EBLC");
46}
47
48impl<'a> FontRead<'a> for Eblc<'a> {
49    fn read(data: FontData<'a>) -> Result<Self, ReadError> {
50        let mut cursor = data.cursor();
51        cursor.advance::<u16>();
52        cursor.advance::<u16>();
53        let num_sizes: u32 = cursor.read()?;
54        let bitmap_sizes_byte_len = (num_sizes as usize)
55            .checked_mul(BitmapSize::RAW_BYTE_LEN)
56            .ok_or(ReadError::OutOfBounds)?;
57        cursor.advance_by(bitmap_sizes_byte_len);
58        cursor.finish(EblcMarker {
59            bitmap_sizes_byte_len,
60        })
61    }
62}
63
64/// The [Embedded Bitmap Location](https://learn.microsoft.com/en-us/typography/opentype/spec/eblc) table
65pub type Eblc<'a> = TableRef<'a, EblcMarker>;
66
67#[allow(clippy::needless_lifetimes)]
68impl<'a> Eblc<'a> {
69    /// Major version of the EBLC table, = 2.
70    pub fn major_version(&self) -> u16 {
71        let range = self.shape.major_version_byte_range();
72        self.data.read_at(range.start).unwrap()
73    }
74
75    /// Minor version of EBLC table, = 0.
76    pub fn minor_version(&self) -> u16 {
77        let range = self.shape.minor_version_byte_range();
78        self.data.read_at(range.start).unwrap()
79    }
80
81    /// Number of BitmapSize records.
82    pub fn num_sizes(&self) -> u32 {
83        let range = self.shape.num_sizes_byte_range();
84        self.data.read_at(range.start).unwrap()
85    }
86
87    /// BitmapSize records array.
88    pub fn bitmap_sizes(&self) -> &'a [BitmapSize] {
89        let range = self.shape.bitmap_sizes_byte_range();
90        self.data.read_array(range).unwrap()
91    }
92}
93
94#[cfg(feature = "experimental_traverse")]
95impl<'a> SomeTable<'a> for Eblc<'a> {
96    fn type_name(&self) -> &str {
97        "Eblc"
98    }
99    fn get_field(&self, idx: usize) -> Option<Field<'a>> {
100        match idx {
101            0usize => Some(Field::new("major_version", self.major_version())),
102            1usize => Some(Field::new("minor_version", self.minor_version())),
103            2usize => Some(Field::new("num_sizes", self.num_sizes())),
104            3usize => Some(Field::new(
105                "bitmap_sizes",
106                traversal::FieldType::array_of_records(
107                    stringify!(BitmapSize),
108                    self.bitmap_sizes(),
109                    self.offset_data(),
110                ),
111            )),
112            _ => None,
113        }
114    }
115}
116
117#[cfg(feature = "experimental_traverse")]
118#[allow(clippy::needless_lifetimes)]
119impl<'a> std::fmt::Debug for Eblc<'a> {
120    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
121        (self as &dyn SomeTable<'a>).fmt(f)
122    }
123}
read_fonts/generated/generated_eblc.rs

read_fonts/generated/
generated_eblc.rs
