summaryrefslogtreecommitdiffstats
path: root/src/coord.rs
blob: fbf37f666f9ef94c97b67b3c1b451a3acab5f0b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
// -*- coding: utf-8 -*-
//
// Copyright 2021 Michael Buesch <m@bues.ch>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//

use std::fmt;
use std::ops::{Add, Sub};

pub type CoordAxis = i16;

#[derive(Copy, Clone, PartialEq, Debug)]
pub struct Coord {
    pub x: CoordAxis,
    pub y: CoordAxis,
}

impl fmt::Display for Coord {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "(X={}, Y={})", self.x, self.y)
    }
}

impl Add for Coord {
    type Output = Coord;

    fn add(self, other: Self) -> Self::Output {
        Coord {
            x: self.x + other.x,
            y: self.y + other.y,
        }
    }
}

impl Sub for Coord {
    type Output = Coord;

    fn sub(self, other: Self) -> Self::Output {
        Coord {
            x: self.x - other.x,
            y: self.y - other.y,
        }
    }
}

#[macro_export]
macro_rules! coord {
    ( $x:expr, $y:expr ) => {
        Coord {
            x: $x,
            y: $y,
        }
    }
}

// vim: ts=4 sw=4 expandtab
bues.ch cgit interface