shapes/
line.rs

1
2use graphics::types;
3use graphics::math::Scalar;
4
5use Point;
6
7/// A line.
8#[derive(Copy, Clone, Debug)]
9pub struct Line {
10    /// Start point.
11    pub start: Point,
12    /// End point.
13    pub end: Point,
14}
15
16impl From<Line> for types::Line {
17    fn from(line: Line) -> types::Line {
18        [line.start.x, line.start.y, line.end.x, line.end.y]
19    }
20}
21
22impl From<types::Line> for Line {
23    fn from(line: types::Line) -> Line {
24        Line {
25            start: (line[0], line[1]).into(),
26            end: (line[2], line[3]).into()
27        }
28    }
29}
30
31impl<T: Into<Point>, U: Into<Point>> From<(T, U)> for Line {
32    fn from((start, end): (T, U)) -> Line {
33        Line {
34            start: start.into(),
35            end: end.into(),
36        }
37    }
38}
39
40impl From<Line> for (Point, Point) {
41    fn from(line: Line) -> (Point, Point) {
42        (line.start, line.end)
43    }
44}
45
46impl From<(Scalar, Scalar, Scalar, Scalar)> for Line {
47    fn from((ax, ay, bx, by): (Scalar, Scalar, Scalar, Scalar)) -> Line {
48        Line {
49            start: (ax, ay).into(),
50            end: (bx, by).into(),
51        }
52    }
53}
54
55impl<T: Copy + Into<Point>> From<[T; 2]> for Line {
56    fn from(line: [T; 2]) -> Line {
57        Line {
58            start: line[0].into(),
59            end: line[1].into(),
60        }
61    }
62}
shapes/line.rs

shapes/
line.rs
