read_fonts/generated/
generated_ankr.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
8impl<'a> MinByteRange<'a> for Ankr<'a> {
9    fn min_byte_range(&self) -> Range<usize> {
10        0..self.glyph_data_table_offset_byte_range().end
11    }
12    fn min_table_bytes(&self) -> &'a [u8] {
13        let range = self.min_byte_range();
14        self.data.as_bytes().get(range).unwrap_or_default()
15    }
16}
17
18impl TopLevelTable for Ankr<'_> {
19    /// `ankr`
20    const TAG: Tag = Tag::new(b"ankr");
21}
22
23impl<'a> FontRead<'a> for Ankr<'a> {
24    fn read(data: FontData<'a>) -> Result<Self, ReadError> {
25        #[allow(clippy::absurd_extreme_comparisons)]
26        if data.len() < Self::MIN_SIZE {
27            return Err(ReadError::OutOfBounds);
28        }
29        Ok(Self { data })
30    }
31}
32
33/// The [anchor point](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ankr.html) table.
34#[derive(Clone)]
35pub struct Ankr<'a> {
36    data: FontData<'a>,
37}
38
39#[allow(clippy::needless_lifetimes)]
40impl<'a> Ankr<'a> {
41    pub const MIN_SIZE: usize =
42        (u16::RAW_BYTE_LEN + u16::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + u32::RAW_BYTE_LEN);
43    basic_table_impls!(impl_the_methods);
44
45    /// Version number (set to zero).
46    pub fn version(&self) -> u16 {
47        let range = self.version_byte_range();
48        self.data.read_at(range.start).ok().unwrap()
49    }
50
51    /// Flags (currently unused; set to zero).
52    pub fn flags(&self) -> u16 {
53        let range = self.flags_byte_range();
54        self.data.read_at(range.start).ok().unwrap()
55    }
56
57    /// Offset to the table's lookup table; currently this is always `0x0000000C`.
58    ///
59    /// Lookup values are two byte offsets into the glyph data table.
60    pub fn lookup_table_offset(&self) -> Offset32 {
61        let range = self.lookup_table_offset_byte_range();
62        self.data.read_at(range.start).ok().unwrap()
63    }
64
65    /// Attempt to resolve [`lookup_table_offset`][Self::lookup_table_offset].
66    pub fn lookup_table(&self) -> Result<LookupU16<'a>, ReadError> {
67        let data = self.data;
68        self.lookup_table_offset().resolve(data)
69    }
70
71    /// Offset to the glyph data table.
72    pub fn glyph_data_table_offset(&self) -> u32 {
73        let range = self.glyph_data_table_offset_byte_range();
74        self.data.read_at(range.start).ok().unwrap()
75    }
76
77    pub fn version_byte_range(&self) -> Range<usize> {
78        let start = 0;
79        start..start + u16::RAW_BYTE_LEN
80    }
81
82    pub fn flags_byte_range(&self) -> Range<usize> {
83        let start = self.version_byte_range().end;
84        start..start + u16::RAW_BYTE_LEN
85    }
86
87    pub fn lookup_table_offset_byte_range(&self) -> Range<usize> {
88        let start = self.flags_byte_range().end;
89        start..start + Offset32::RAW_BYTE_LEN
90    }
91
92    pub fn glyph_data_table_offset_byte_range(&self) -> Range<usize> {
93        let start = self.lookup_table_offset_byte_range().end;
94        start..start + u32::RAW_BYTE_LEN
95    }
96}
97
98const _: () = assert!(FontData::default_data_long_enough(Ankr::MIN_SIZE));
99
100impl Default for Ankr<'_> {
101    fn default() -> Self {
102        Self {
103            data: FontData::default_table_data(),
104        }
105    }
106}
107
108#[cfg(feature = "experimental_traverse")]
109impl<'a> SomeTable<'a> for Ankr<'a> {
110    fn type_name(&self) -> &str {
111        "Ankr"
112    }
113    fn get_field(&self, idx: usize) -> Option<Field<'a>> {
114        match idx {
115            0usize => Some(Field::new("version", self.version())),
116            1usize => Some(Field::new("flags", self.flags())),
117            2usize => Some(Field::new(
118                "lookup_table_offset",
119                FieldType::offset(self.lookup_table_offset(), self.lookup_table()),
120            )),
121            3usize => Some(Field::new(
122                "glyph_data_table_offset",
123                self.glyph_data_table_offset(),
124            )),
125            _ => None,
126        }
127    }
128}
129
130#[cfg(feature = "experimental_traverse")]
131#[allow(clippy::needless_lifetimes)]
132impl<'a> std::fmt::Debug for Ankr<'a> {
133    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
134        (self as &dyn SomeTable<'a>).fmt(f)
135    }
136}
137
138impl<'a> MinByteRange<'a> for GlyphDataEntry<'a> {
139    fn min_byte_range(&self) -> Range<usize> {
140        0..self.anchor_points_byte_range().end
141    }
142    fn min_table_bytes(&self) -> &'a [u8] {
143        let range = self.min_byte_range();
144        self.data.as_bytes().get(range).unwrap_or_default()
145    }
146}
147
148impl<'a> FontRead<'a> for GlyphDataEntry<'a> {
149    fn read(data: FontData<'a>) -> Result<Self, ReadError> {
150        #[allow(clippy::absurd_extreme_comparisons)]
151        if data.len() < Self::MIN_SIZE {
152            return Err(ReadError::OutOfBounds);
153        }
154        Ok(Self { data })
155    }
156}
157
158#[derive(Clone)]
159pub struct GlyphDataEntry<'a> {
160    data: FontData<'a>,
161}
162
163#[allow(clippy::needless_lifetimes)]
164impl<'a> GlyphDataEntry<'a> {
165    pub const MIN_SIZE: usize = u32::RAW_BYTE_LEN;
166    basic_table_impls!(impl_the_methods);
167
168    /// Number of anchor points for this glyph.
169    pub fn num_points(&self) -> u32 {
170        let range = self.num_points_byte_range();
171        self.data.read_at(range.start).ok().unwrap()
172    }
173
174    /// Individual anchor points.
175    pub fn anchor_points(&self) -> &'a [AnchorPoint] {
176        let range = self.anchor_points_byte_range();
177        self.data.read_array(range).ok().unwrap_or_default()
178    }
179
180    pub fn num_points_byte_range(&self) -> Range<usize> {
181        let start = 0;
182        start..start + u32::RAW_BYTE_LEN
183    }
184
185    pub fn anchor_points_byte_range(&self) -> Range<usize> {
186        let num_points = self.num_points();
187        let start = self.num_points_byte_range().end;
188        start..start + (num_points as usize).saturating_mul(AnchorPoint::RAW_BYTE_LEN)
189    }
190}
191
192const _: () = assert!(FontData::default_data_long_enough(GlyphDataEntry::MIN_SIZE));
193
194impl Default for GlyphDataEntry<'_> {
195    fn default() -> Self {
196        Self {
197            data: FontData::default_table_data(),
198        }
199    }
200}
201
202#[cfg(feature = "experimental_traverse")]
203impl<'a> SomeTable<'a> for GlyphDataEntry<'a> {
204    fn type_name(&self) -> &str {
205        "GlyphDataEntry"
206    }
207    fn get_field(&self, idx: usize) -> Option<Field<'a>> {
208        match idx {
209            0usize => Some(Field::new("num_points", self.num_points())),
210            1usize => Some(Field::new(
211                "anchor_points",
212                traversal::FieldType::array_of_records(
213                    stringify!(AnchorPoint),
214                    self.anchor_points(),
215                    self.offset_data(),
216                ),
217            )),
218            _ => None,
219        }
220    }
221}
222
223#[cfg(feature = "experimental_traverse")]
224#[allow(clippy::needless_lifetimes)]
225impl<'a> std::fmt::Debug for GlyphDataEntry<'a> {
226    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
227        (self as &dyn SomeTable<'a>).fmt(f)
228    }
229}
230
231/// Individual anchor point.
232#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)]
233#[repr(C)]
234#[repr(packed)]
235pub struct AnchorPoint {
236    pub x: BigEndian<i16>,
237    pub y: BigEndian<i16>,
238}
239
240impl AnchorPoint {
241    pub fn x(&self) -> i16 {
242        self.x.get()
243    }
244
245    pub fn y(&self) -> i16 {
246        self.y.get()
247    }
248}
249
250impl FixedSize for AnchorPoint {
251    const RAW_BYTE_LEN: usize = i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN;
252}
253
254#[cfg(feature = "experimental_traverse")]
255impl<'a> SomeRecord<'a> for AnchorPoint {
256    fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
257        RecordResolver {
258            name: "AnchorPoint",
259            get_field: Box::new(move |idx, _data| match idx {
260                0usize => Some(Field::new("x", self.x())),
261                1usize => Some(Field::new("y", self.y())),
262                _ => None,
263            }),
264            data,
265        }
266    }
267}
read_fonts/generated/generated_ankr.rs

read_fonts/generated/
generated_ankr.rs
