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        let end = start + u16::RAW_BYTE_LEN;
80        start..end
81    }
82
83    pub fn flags_byte_range(&self) -> Range<usize> {
84        let start = self.version_byte_range().end;
85        let end = start + u16::RAW_BYTE_LEN;
86        start..end
87    }
88
89    pub fn lookup_table_offset_byte_range(&self) -> Range<usize> {
90        let start = self.flags_byte_range().end;
91        let end = start + Offset32::RAW_BYTE_LEN;
92        start..end
93    }
94
95    pub fn glyph_data_table_offset_byte_range(&self) -> Range<usize> {
96        let start = self.lookup_table_offset_byte_range().end;
97        let end = start + u32::RAW_BYTE_LEN;
98        start..end
99    }
100}
101
102const _: () = assert!(FontData::default_data_long_enough(Ankr::MIN_SIZE));
103
104impl Default for Ankr<'_> {
105    fn default() -> Self {
106        Self {
107            data: FontData::default_table_data(),
108        }
109    }
110}
111
112#[cfg(feature = "experimental_traverse")]
113impl<'a> SomeTable<'a> for Ankr<'a> {
114    fn type_name(&self) -> &str {
115        "Ankr"
116    }
117    fn get_field(&self, idx: usize) -> Option<Field<'a>> {
118        match idx {
119            0usize => Some(Field::new("version", self.version())),
120            1usize => Some(Field::new("flags", self.flags())),
121            2usize => Some(Field::new(
122                "lookup_table_offset",
123                FieldType::offset(self.lookup_table_offset(), self.lookup_table()),
124            )),
125            3usize => Some(Field::new(
126                "glyph_data_table_offset",
127                self.glyph_data_table_offset(),
128            )),
129            _ => None,
130        }
131    }
132}
133
134#[cfg(feature = "experimental_traverse")]
135#[allow(clippy::needless_lifetimes)]
136impl<'a> std::fmt::Debug for Ankr<'a> {
137    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
138        (self as &dyn SomeTable<'a>).fmt(f)
139    }
140}
141
142impl<'a> MinByteRange<'a> for GlyphDataEntry<'a> {
143    fn min_byte_range(&self) -> Range<usize> {
144        0..self.anchor_points_byte_range().end
145    }
146    fn min_table_bytes(&self) -> &'a [u8] {
147        let range = self.min_byte_range();
148        self.data.as_bytes().get(range).unwrap_or_default()
149    }
150}
151
152impl<'a> FontRead<'a> for GlyphDataEntry<'a> {
153    fn read(data: FontData<'a>) -> Result<Self, ReadError> {
154        #[allow(clippy::absurd_extreme_comparisons)]
155        if data.len() < Self::MIN_SIZE {
156            return Err(ReadError::OutOfBounds);
157        }
158        Ok(Self { data })
159    }
160}
161
162#[derive(Clone)]
163pub struct GlyphDataEntry<'a> {
164    data: FontData<'a>,
165}
166
167#[allow(clippy::needless_lifetimes)]
168impl<'a> GlyphDataEntry<'a> {
169    pub const MIN_SIZE: usize = u32::RAW_BYTE_LEN;
170    basic_table_impls!(impl_the_methods);
171
172    /// Number of anchor points for this glyph.
173    pub fn num_points(&self) -> u32 {
174        let range = self.num_points_byte_range();
175        self.data.read_at(range.start).ok().unwrap()
176    }
177
178    /// Individual anchor points.
179    pub fn anchor_points(&self) -> &'a [AnchorPoint] {
180        let range = self.anchor_points_byte_range();
181        self.data.read_array(range).ok().unwrap_or_default()
182    }
183
184    pub fn num_points_byte_range(&self) -> Range<usize> {
185        let start = 0;
186        let end = start + u32::RAW_BYTE_LEN;
187        start..end
188    }
189
190    pub fn anchor_points_byte_range(&self) -> Range<usize> {
191        let num_points = self.num_points();
192        let start = self.num_points_byte_range().end;
193        let end =
194            start + (transforms::to_usize(num_points)).saturating_mul(AnchorPoint::RAW_BYTE_LEN);
195        start..end
196    }
197}
198
199const _: () = assert!(FontData::default_data_long_enough(GlyphDataEntry::MIN_SIZE));
200
201impl Default for GlyphDataEntry<'_> {
202    fn default() -> Self {
203        Self {
204            data: FontData::default_table_data(),
205        }
206    }
207}
208
209#[cfg(feature = "experimental_traverse")]
210impl<'a> SomeTable<'a> for GlyphDataEntry<'a> {
211    fn type_name(&self) -> &str {
212        "GlyphDataEntry"
213    }
214    fn get_field(&self, idx: usize) -> Option<Field<'a>> {
215        match idx {
216            0usize => Some(Field::new("num_points", self.num_points())),
217            1usize => Some(Field::new(
218                "anchor_points",
219                traversal::FieldType::array_of_records(
220                    stringify!(AnchorPoint),
221                    self.anchor_points(),
222                    self.offset_data(),
223                ),
224            )),
225            _ => None,
226        }
227    }
228}
229
230#[cfg(feature = "experimental_traverse")]
231#[allow(clippy::needless_lifetimes)]
232impl<'a> std::fmt::Debug for GlyphDataEntry<'a> {
233    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
234        (self as &dyn SomeTable<'a>).fmt(f)
235    }
236}
237
238/// Individual anchor point.
239#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)]
240#[repr(C)]
241#[repr(packed)]
242pub struct AnchorPoint {
243    pub x: BigEndian<i16>,
244    pub y: BigEndian<i16>,
245}
246
247impl AnchorPoint {
248    pub fn x(&self) -> i16 {
249        self.x.get()
250    }
251
252    pub fn y(&self) -> i16 {
253        self.y.get()
254    }
255}
256
257impl FixedSize for AnchorPoint {
258    const RAW_BYTE_LEN: usize = i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN;
259}
260
261#[cfg(feature = "experimental_traverse")]
262impl<'a> SomeRecord<'a> for AnchorPoint {
263    fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
264        RecordResolver {
265            name: "AnchorPoint",
266            get_field: Box::new(move |idx, _data| match idx {
267                0usize => Some(Field::new("x", self.x())),
268                1usize => Some(Field::new("y", self.y())),
269                _ => None,
270            }),
271            data,
272        }
273    }
274}
read_fonts/generated/generated_ankr.rs

read_fonts/generated/
generated_ankr.rs
