plotters_backend/rasterizer/
mod.rs

1/*! # The built-in rasterizers.
2
3  Plotters make a minimal backend ability assumption - which is drawing a pixel on
4  backend. And this is the rasterizer that utilize this minimal ability to build a
5  fully functioning backend.
6
7*/
8
9// TODO: We need to revisit this. It has been a long time since last time we figured out
10// the question mark operator has a huge performance impact due to LLVM unable to handle it.
11// So the question is if this trick is still useful, or LLVM is smart enough to handle it since
12// then.
13//
14// --
15// Original comment:
16//
17// ? operator is very slow. See issue #58 for details
18macro_rules! check_result {
19    ($e:expr) => {
20        let result = $e;
21        #[allow(clippy::question_mark)]
22        if result.is_err() {
23            return result;
24        }
25    };
26}
27
28mod line;
29pub use line::draw_line;
30
31mod rect;
32pub use rect::draw_rect;
33
34mod circle;
35pub use circle::draw_circle;
36
37mod polygon;
38pub use polygon::fill_polygon;
39
40mod path;
41pub use path::polygonize;
plotters_backend/rasterizer/mod.rs

plotters_backend/rasterizer/
mod.rs
