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add MATH table #87

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merged 15 commits into from
Sep 27, 2022
Merged

add MATH table #87

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9f3420a
add MathConstants table (part of `MATH` table)
ruifengx Feb 10, 2022
3c2d87c
add MathGlyphInfo table (part of `MATH` table)
ruifengx Feb 10, 2022
8f36815
add MathVariants table (part of `MATH` table)
ruifengx Feb 11, 2022
f323641
refactor `MATH` parsing with `LazyArray16`
ruifengx Feb 11, 2022
01db16d
factor out `Stream::parse_at_offset16`
ruifengx Feb 11, 2022
e5352ea
merge feature "opentype-math" into "opentype-layout"
ruifengx Feb 13, 2022
e2b6581
revise Debug impls, documentation, and formatting
ruifengx Feb 13, 2022
4e5904d
mark Stream::{read, parse_at_offset16} calls with target type
ruifengx Feb 13, 2022
1a0dfb9
fix the size of `GlyphPartRecord`
ruifengx Feb 13, 2022
ab65ae0
replace documentations copy-pasted from the spec
ruifengx Feb 13, 2022
3c7070b
add trait parser::Array {len, is_empty, get}
ruifengx Feb 13, 2022
6db5d9b
factor out math::CoverageMapping
ruifengx Feb 13, 2022
ab4ad9f
Merge master into math-table
laurmaedje Sep 26, 2022
8a68791
Refactor math table.
laurmaedje Sep 27, 2022
15ea7dd
Add math table to documentation
laurmaedje Sep 27, 2022
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -3,3 +3,4 @@ Cargo.lock
.directory
.DS_Store
.vscode
.idea
4 changes: 3 additions & 1 deletion Cargo.toml
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Expand Up @@ -13,13 +13,15 @@ edition = "2018"
exclude = ["benches/**"]

[features]
default = ["std", "opentype-layout", "apple-layout", "variable-fonts", "glyph-names"]
default = ["std", "opentype-layout", "opentype-math", "apple-layout", "variable-fonts", "glyph-names"]
std = []
# Enables variable fonts support. Increases binary size almost twice.
# Includes avar, CFF2, fvar, gvar, HVAR, MVAR and VVAR tables.
variable-fonts = []
# Enables GDEF, GPOS and GSUB tables.
opentype-layout = []
# Enables MATH tables.
opentype-math = []
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# Enables feat, trak tables.
apple-layout = []
# Enables glyph name query via `Face::glyph_name`.
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9 changes: 9 additions & 0 deletions src/lib.rs
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Expand Up @@ -69,6 +69,7 @@ pub use tables::CFFError;
pub use tables::{cmap, kern, sbix, maxp, hmtx, name, os2, loca, svg, vorg, post, head, hhea, glyf};
pub use tables::{cff1 as cff, vhea, cbdt, cblc};
#[cfg(feature = "opentype-layout")] pub use tables::{gdef, gpos, gsub};
#[cfg(feature = "opentype-math")] pub use tables::math;
#[cfg(feature = "apple-layout")] pub use tables::{ankr, feat, trak};
#[cfg(feature = "variable-fonts")] pub use tables::{cff2, avar, fvar, gvar, hvar, mvar};

Expand Down Expand Up @@ -570,6 +571,8 @@ pub struct RawFaceTables<'a> {
#[cfg(feature = "opentype-layout")] pub gpos: Option<&'a [u8]>,
#[cfg(feature = "opentype-layout")] pub gsub: Option<&'a [u8]>,

#[cfg(feature = "opentype-math")] pub math: Option<&'a [u8]>,

#[cfg(feature = "apple-layout")] pub ankr: Option<&'a [u8]>,
#[cfg(feature = "apple-layout")] pub feat: Option<&'a [u8]>,
#[cfg(feature = "apple-layout")] pub trak: Option<&'a [u8]>,
Expand Down Expand Up @@ -618,6 +621,8 @@ pub struct FaceTables<'a> {
#[cfg(feature = "opentype-layout")] pub gpos: Option<opentype_layout::LayoutTable<'a>>,
#[cfg(feature = "opentype-layout")] pub gsub: Option<opentype_layout::LayoutTable<'a>>,

#[cfg(feature = "opentype-math")] pub math: Option<math::Table<'a>>,

#[cfg(feature = "apple-layout")] pub ankr: Option<ankr::Table<'a>>,
#[cfg(feature = "apple-layout")] pub feat: Option<feat::Table<'a>>,
#[cfg(feature = "apple-layout")] pub trak: Option<trak::Table<'a>>,
Expand Down Expand Up @@ -746,6 +751,8 @@ impl<'a> Face<'a> {
b"GPOS" => tables.gpos = table_data,
#[cfg(feature = "opentype-layout")]
b"GSUB" => tables.gsub = table_data,
#[cfg(feature = "opentype-math")]
b"MATH" => tables.math = table_data,
#[cfg(feature = "variable-fonts")]
b"HVAR" => tables.hvar = table_data,
#[cfg(feature = "variable-fonts")]
Expand Down Expand Up @@ -863,6 +870,8 @@ impl<'a> Face<'a> {
#[cfg(feature = "opentype-layout")] gpos: raw_tables.gpos.and_then(opentype_layout::LayoutTable::parse),
#[cfg(feature = "opentype-layout")] gsub: raw_tables.gsub.and_then(opentype_layout::LayoutTable::parse),

#[cfg(feature = "opentype-math")] math: raw_tables.math.and_then(math::Table::parse),

#[cfg(feature = "apple-layout")] ankr: raw_tables.ankr
.and_then(|data| ankr::Table::parse(maxp.number_of_glyphs, data)),
#[cfg(feature = "apple-layout")] feat: raw_tables.feat.and_then(feat::Table::parse),
Expand Down
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