1 files changed, 0 insertions, 223 deletions
diff --git a/gnu/packages/patches/rust-pinot-0.1-implement-math-table.patch b/gnu/packages/patches/rust-pinot-0.1-implement-math-table.patch
deleted file mode 100644
index d9594f09c9..0000000000
--- a/gnu/packages/patches/rust-pinot-0.1-implement-math-table.patch
+++ /dev/null
@@ -1,223 +0,0 @@
-From f93bac061c59a6efab309b43eb893bf041c93ee1 Mon Sep 17 00:00:00 2001
-From: Peter Williams <peter@newton.cx>
-Date: Sun, 30 Jan 2022 11:12:58 -0500
-Subject: [PATCH] Start implementing the MATH table
-
----
- src/font.rs       |   6 ++
- src/lib.rs        |   1 +
- src/math.rs       | 155 ++++++++++++++++++++++++++++++++++++++++++++++
- src/otl/shared.rs |   2 +-
- 4 files changed, 163 insertions(+), 1 deletion(-)
- create mode 100644 src/math.rs
-
-diff --git a/src/font.rs b/src/font.rs
-index aeb17b5..762ff71 100644
---- a/src/font.rs
-+++ b/src/font.rs
-@@ -13,6 +13,7 @@ use super::{
-     hhea::*,
-     hmtx::*,
-     hvar::*,
-+    math::*,
-     maxp::*,
-     name::*,
-     os2::*,
-@@ -329,6 +330,11 @@ pub trait TableProvider<'a> {
-     fn gpos(&self) -> Option<Gpos<'a>> {
-         Some(Gpos::new(self.table_data(GPOS)?, self.gdef()))
-     }
-+
-+    /// Returns the mathemetical typesetting table.
-+    fn math(&self) -> Option<Math<'a>> {
-+        Some(Math::new(self.table_data(MATH)?))
-+    }
- }
- 
- impl<'a> TableProvider<'a> for FontRef<'a> {
-diff --git a/src/lib.rs b/src/lib.rs
-index 8203630..d5e473d 100644
---- a/src/lib.rs
-+++ b/src/lib.rs
-@@ -14,6 +14,7 @@ pub mod head;
- pub mod hhea;
- pub mod hmtx;
- pub mod hvar;
-+pub mod math;
- pub mod maxp;
- pub mod name;
- pub mod os2;
-diff --git a/src/math.rs b/src/math.rs
-new file mode 100644
-index 0000000..10a5ec6
---- /dev/null
-+++ b/src/math.rs
-@@ -0,0 +1,155 @@
-+//! Mathematical typesetting table.
-+
-+use super::otl::Coverage;
-+use super::parse_prelude::*;
-+
-+/// Tag for the `math` table.
-+pub const MATH: Tag = Tag::new(b"MATH");
-+
-+/// Mathematical typesetting table.
-+///
-+/// <https://docs.microsoft.com/en-us/typography/opentype/spec/math>
-+///
-+/// The math constants and math glyph information subtables are not (yet)
-+/// implemented.
-+#[derive(Copy, Clone)]
-+pub struct Math<'a>(Buffer<'a>);
-+
-+impl<'a> Math<'a> {
-+    /// Creates a new math table from a byte slice containing the table data.
-+    pub fn new(data: &'a [u8]) -> Self {
-+        Self(Buffer::new(data))
-+    }
-+
-+    /// Returns the major version.
-+    pub fn major_version(&self) -> u16 {
-+        self.0.read(0).unwrap_or(0)
-+    }
-+
-+    /// Returns the minor version.
-+    pub fn minor_version(&self) -> u16 {
-+        self.0.read(2).unwrap_or(0)
-+    }
-+
-+    /// Returns the MathVariants subtable.
-+    pub fn variants(&self) -> Option<MathVariants> {
-+        let offset = self.0.read_offset16(8, 0)?;
-+        Some(MathVariants { math: self, offset })
-+    }
-+}
-+
-+/// Mathematical variants subtable.
-+///
-+/// <https://docs.microsoft.com/en-us/typography/opentype/spec/math#mathvariants-table>
-+#[derive(Copy, Clone)]
-+pub struct MathVariants<'a> {
-+    math: &'a Math<'a>,
-+    offset: u32,
-+}
-+
-+impl<'a> MathVariants<'a> {
-+    /// Returns the minimum overlap of connecting glyphs during glyph
-+    /// construction.
-+    pub fn min_connector_overlap(&self) -> UfWord {
-+        self.math.0.read(self.offset as usize).unwrap_or(0)
-+    }
-+
-+    /// Returns the number of glyphs for which information is provided for
-+    /// vertically growing variants.
-+    pub fn vert_glyph_count(&self) -> u16 {
-+        self.math.0.read(self.offset as usize + 6).unwrap_or(0)
-+    }
-+
-+    /// Returns the number of glyphs for which information is provided for
-+    /// horizontally growing variants.
-+    pub fn horiz_glyph_count(&self) -> u16 {
-+        self.math.0.read(self.offset as usize + 8).unwrap_or(0)
-+    }
-+
-+    /// Returns the coverage table associated with vertically growing glyphs.
-+    pub fn vert_glyph_coverage(&self) -> Option<Coverage> {
-+        let offset = self
-+            .math
-+            .0
-+            .read_offset16(self.offset as usize + 2, self.offset)?;
-+        Some(Coverage::new(self.math.0, offset))
-+    }
-+
-+    /// Returns the coverage table associated with horizontally growing glyphs.
-+    pub fn horiz_glyph_coverage(&self) -> Option<Coverage> {
-+        let offset = self
-+            .math
-+            .0
-+            .read_offset16(self.offset as usize + 4, self.offset)?;
-+        Some(Coverage::new(self.math.0, offset))
-+    }
-+
-+    /// Returns information about how to a construct vertically growing glyph,
-+    /// based on its coverage index.
-+    pub fn vert_glyph_construction(&self, coverage_index: u16) -> Option<MathGlyphConstruction> {
-+        let offset = self.offset as usize + 10 + 2 * coverage_index as usize;
-+        let offset = self.math.0.read_offset16(offset, self.offset)?;
-+        Some(MathGlyphConstruction {
-+            math: self.math,
-+            offset: offset,
-+        })
-+    }
-+
-+    /// Returns information about how to a construct horizontally growing glyph,
-+    /// based on its coverage index.
-+    pub fn horiz_glyph_construction(&self, coverage_index: u16) -> Option<MathGlyphConstruction> {
-+        let offset = self.offset as usize
-+            + 10
-+            + 2 * self.vert_glyph_count() as usize
-+            + 2 * coverage_index as usize;
-+        let offset = self.math.0.read_offset16(offset, self.offset)?;
-+        Some(MathGlyphConstruction {
-+            math: self.math,
-+            offset: offset,
-+        })
-+    }
-+}
-+
-+/// Mathematical glyph construction subtable.
-+///
-+/// <https://docs.microsoft.com/en-us/typography/opentype/spec/math#mathvariants-table>
-+///
-+/// The "glyph assembly" subtable is not (yet) implemented.
-+#[derive(Copy, Clone)]
-+pub struct MathGlyphConstruction<'a> {
-+    math: &'a Math<'a>,
-+    offset: u32,
-+}
-+
-+impl<'a> MathGlyphConstruction<'a> {
-+    /// Returns the number of growing variants for this glyph.
-+    pub fn variant_count(&self) -> u16 {
-+        self.math.0.read(self.offset as usize + 2).unwrap_or(0)
-+    }
-+
-+    /// Return the growing variants associated with this glyph.
-+    pub fn variants(&self) -> Option<Slice<'a, MathGlyphVariantRecord>> {
-+        self.math
-+            .0
-+            .read_slice(self.offset as usize + 4, self.variant_count() as usize)
-+    }
-+}
-+
-+/// Information about a math glyph variant.
-+#[derive(Copy, Clone, Debug)]
-+pub struct MathGlyphVariantRecord {
-+    /// The variant glyph
-+    pub variant_glyph: GlyphId,
-+    /// The advance width/height of the variant, in the direction of this
-+    /// record's associated table.
-+    pub advance_measurement: UfWord,
-+}
-+
-+impl ReadData for MathGlyphVariantRecord {
-+    unsafe fn read_data_unchecked(buf: &[u8], offset: usize) -> Self {
-+        Self {
-+            variant_glyph: GlyphId::read_data_unchecked(buf, offset),
-+            advance_measurement: UfWord::read_data_unchecked(buf, offset + 2),
-+        }
-+    }
-+}
-diff --git a/src/otl/shared.rs b/src/otl/shared.rs
-index 24f0f1d..f1a00fb 100644
---- a/src/otl/shared.rs
-+++ b/src/otl/shared.rs
-@@ -13,7 +13,7 @@ pub struct Coverage<'a> {
- }
- 
- impl<'a> Coverage<'a> {
--    pub(super) fn new(data: Buffer<'a>, offset: u32) -> Self {
-+    pub(crate) fn new(data: Buffer<'a>, offset: u32) -> Self {
-         Self { data, offset }
-     }
-