Vendor things

third-party/vendor/ab_glyph_rasterizer/src/lib.rs

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+//! Coverage rasterization for lines, quadratic & cubic beziers.
+//! Useful for drawing .otf font glyphs.
+//!
+//! ```
+//! use ab_glyph_rasterizer::Rasterizer;
+//! # let (width, height) = (1, 1);
+//! let mut rasterizer = Rasterizer::new(width, height);
+//!
+//! // draw outlines
+//! # let [l0, l1, q0, q1, q2, c0, c1, c2, c3] = [ab_glyph_rasterizer::point(0.0, 0.0); 9];
+//! rasterizer.draw_line(l0, l1);
+//! rasterizer.draw_quad(q0, q1, q2);
+//! rasterizer.draw_cubic(c0, c1, c2, c3);
+//!
+//! // iterate over the resultant pixel alphas, e.g. save pixel to a buffer
+//! rasterizer.for_each_pixel(|index, alpha| {
+//!     // ...
+//! });
+//! ```
+
+#![cfg_attr(not(feature = "std"), no_std)]
+#[cfg(not(feature = "std"))]
+#[macro_use]
+extern crate alloc;
+
+#[cfg(all(feature = "libm", not(feature = "std")))]
+mod nostd_float;
+
+#[cfg(not(any(feature = "libm", feature = "std")))]
+compile_error!("You need to activate either the `std` or `libm` feature.");
+
+mod geometry;
+mod raster;
+
+pub use geometry::{point, Point};
+pub use raster::Rasterizer;