fpvsetup 0.1.0

Library and GUI tool for calculating optimal first-person 3D view parameters from monitor size and distance
Documentation 
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140

use crate::util::Repack;
use core::ops::{Add, AddAssign};

#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub struct Position(pub i32, pub i32);
impl Position {
    pub const fn x(self) -> i32 {
        self.0
    }
    pub const fn y(self) -> i32 {
        self.1
    }
}
impl Add for Position {
    type Output = Self;
    fn add(self, Self(x1, y1): Self) -> Self::Output {
        Self(self.0 + x1, self.1 + y1)
    }
}
impl AddAssign for Position {
    fn add_assign(&mut self, rhs: Self) {
        *self = *self + rhs
    }
}
impl AddAssign<Size> for Position {
    fn add_assign(&mut self, rhs: Size) {
        *self = *self + rhs
    }
}
impl Add<Size> for Position {
    type Output = Self;
    fn add(self, Size(x1, y1): Size) -> Self::Output {
        Self(self.0 + x1, self.1 + y1)
    }
}
impl<T> Repack<T> for Position
where
    [i32; 2]: Repack<T>,
{
    fn repack(self) -> T {
        [self.0, self.1].repack()
    }
}
impl<T: Repack<[i32; 2]>> Repack<Position> for T {
    fn repack(self) -> Position {
        let repacked = self.repack();
        Position(repacked[0], repacked[1])
    }
}

#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub struct Size(pub i32, pub i32);
impl Size {
    pub const fn w(self) -> i32 {
        self.0
    }
    pub const fn h(self) -> i32 {
        self.1
    }
}
impl Add for Size {
    type Output = Self;
    fn add(self, Self(w1, h1): Self) -> Self::Output {
        Self(self.0 + w1, self.1 + h1)
    }
}
impl AddAssign for Size {
    fn add_assign(&mut self, rhs: Self) {
        *self = *self + rhs
    }
}
impl<T> Repack<T> for Size
where
    [i32; 2]: Repack<T>,
{
    fn repack(self) -> T {
        [self.0, self.1].repack()
    }
}
impl<T: Repack<[i32; 2]>> Repack<Size> for T {
    fn repack(self) -> Size {
        let repacked = self.repack();
        Size(repacked[0], repacked[1])
    }
}

#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub struct Rect(pub Position, pub Size);
impl Rect {
    pub fn with_added_pos(mut self, pos: Position) -> Self {
        self.0 += pos;
        self
    }
    pub fn with_added_size(mut self, size: Size) -> Self {
        self.1 += size;
        self
    }
    pub const fn pos(self) -> Position {
        self.0
    }
    pub const fn size(self) -> Size {
        self.1
    }
    pub const fn x(self) -> i32 {
        self.pos().x()
    }
    pub const fn y(self) -> i32 {
        self.pos().y()
    }
    pub const fn w(self) -> i32 {
        self.size().w()
    }
    pub const fn h(self) -> i32 {
        self.size().h()
    }
    pub const fn to_right(self, padding: i32) -> Position {
        let x = self.x() + self.w() + padding;
        Position(x, self.y())
    }
    pub const fn to_bottom(self, padding: i32) -> Position {
        let y = self.y() + self.h() + padding;
        Position(self.x(), y)
    }
}

pub trait LayoutGen<'a> {
    type Arguments: 'a;
    type Layout;
    fn generate_layout(&self, arguments: Self::Arguments) -> Self::Layout;
}

macro_rules! make_layout {
    ($v:vis $name:ident, has $($entry:ident),+ $(,)?) => {
        #[derive(Copy, Clone, Debug)]
        $v struct $name {
            pub total_size: $crate::layout::Size,
            pub $($entry: $crate::layout::Rect,)+
        }
    };
}