-
Notifications
You must be signed in to change notification settings - Fork 23
/
color.rs
208 lines (190 loc) · 5.95 KB
/
color.rs
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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
/// A 24-bit triplet for hex colors. Defaults to White (0xFF,0xFF,0xFF)
#[derive(Debug, PartialEq, Copy, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct RGB(pub u8, pub u8, pub u8);
impl Default for RGB {
fn default() -> Self {
RGB(255, 255, 255)
}
}
impl std::fmt::Display for RGB {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let Self(r, g, b) = self;
write!(f, "#{:02X}{:02X}{:02X}", r, g, b)
}
}
impl From<&str> for RGB {
fn from(s: &str) -> Self {
RGB::from_hex(s)
}
}
impl From<String> for RGB {
fn from(s: String) -> Self {
RGB::from_hex(&s)
}
}
impl RGB {
/// Tries to parse a string (`'#FFFFFF'` or `'FFFFFF'`) into the RGB,
/// `default`s if it can't
pub fn from_hex(input: &str) -> Self {
let input = input.trim();
let input = match (input.chars().next(), input.len()) {
(Some('#'), 7) => &input[1..],
(_, 6) => input,
_ => return Self::default(),
};
u32::from_str_radix(&input, 16)
.and_then(|s| {
Ok(RGB(
((s >> 16) & 0xFF) as u8,
((s >> 8) & 0xFF) as u8,
(s & 0xFF) as u8,
))
})
.unwrap_or_default()
}
/// Returns the red field
pub fn red(self) -> u8 {
self.0
}
/// Returns the green field
pub fn green(self) -> u8 {
self.1
}
/// Returns the blue field
pub fn blue(self) -> u8 {
self.2
}
}
impl From<Twitch> for RGB {
fn from(color: Twitch) -> Self {
if let Twitch::Turbo(rgb) = color {
return rgb;
}
twitch_colors()
.iter()
.find(|(c, _)| *c == color)
.map(|&(_, rgb)| rgb)
.unwrap_or_default()
}
}
/// These are the default Twitch colors
#[derive(Debug, PartialEq, Copy, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum Twitch {
/// RGB (hex): #0000FF
Blue,
/// RGB (hex): #8A2BE2
BlueViolet,
/// RGB (hex): #5F9EA0
CadetBlue,
/// RGB (hex): #D2691E
Chocolate,
/// RGB (hex): #FF7F50
Coral,
/// RGB (hex): #1E90FF
DodgerBlue,
/// RGB (hex): #B22222
Firebrick,
/// RGB (hex): #DAA520
GoldenRod,
/// RGB (hex): #008000
Green,
/// RGB (hex): #FF69B4
HotPink,
/// RGB (hex): #FF4500
OrangeRed,
/// RGB (hex): #FF0000
Red,
/// RGB (hex): #2E8B57
SeaGreen,
/// RGB (hex): #00FF7F
SpringGreen,
/// RGB (hex): #ADFF2F
YellowGreen,
/// Turbo colors are custom user-selected colors
Turbo(RGB),
}
impl Default for Twitch {
fn default() -> Self {
Twitch::Turbo(RGB::default())
}
}
impl From<&str> for Twitch {
fn from(input: &str) -> Self {
use Twitch::*;
match input {
"Blue" | "blue" => Blue,
"BlueViolet" | "blue_violet" | "blueviolet" | "blue violet" => BlueViolet,
"CadetBlue" | "cadet_blue" | "cadetblue" | "cadet blue" => CadetBlue,
"Chocolate" | "chocolate" => Chocolate,
"Coral" | "coral" => Coral,
"DodgerBlue" | "dodger_blue" | "dodgerblue" | "dodger blue" => DodgerBlue,
"Firebrick" | "firebrick" => Firebrick,
"GoldenRod" | "golden_rod" | "goldenrod" | "golden rod" => GoldenRod,
"Green" | "green" => Green,
"HotPink" | "hot_pink" | "hotpink" | "hot pink" => HotPink,
"OrangeRed" | "orange_red" | "orangered" | "orange red" => OrangeRed,
"Red" | "red" => Red,
"SeaGreen" | "sea_green" | "seagreen" | "sea green" => SeaGreen,
"SpringGreen" | "spring_green" | "springgreen" | "spring green" => SpringGreen,
"YellowGreen" | "yellow_green" | "yellowgreen" | "yellow green" => YellowGreen,
s => Twitch::Turbo(RGB::from_hex(s)),
}
}
}
impl From<RGB> for Twitch {
fn from(rgb: RGB) -> Self {
twitch_colors()
.iter()
.find(|(_, color)| *color == rgb)
.map(|&(c, _)| c)
.unwrap_or_else(|| Twitch::Turbo(rgb))
}
}
impl std::fmt::Display for Twitch {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
use Twitch::*;
match self {
Blue => write!(f, "Blue"),
BlueViolet => write!(f, "BlueViolet"),
CadetBlue => write!(f, "CadetBlue"),
Chocolate => write!(f, "Chocolate"),
Coral => write!(f, "Coral"),
DodgerBlue => write!(f, "DodgerBlue"),
Firebrick => write!(f, "Firebrick"),
GoldenRod => write!(f, "GoldenRod"),
Green => write!(f, "Green"),
HotPink => write!(f, "HotPink"),
OrangeRed => write!(f, "OrangeRed"),
Red => write!(f, "Red"),
SeaGreen => write!(f, "SeaGreen"),
SpringGreen => write!(f, "SpringGreen"),
YellowGreen => write!(f, "YellowGreen"),
Turbo(rgb) => write!(f, "{}", rgb),
}
}
}
/// A helper method that returns a const array of [Twitch]() colors to [RGB]()
pub const fn twitch_colors() -> [(Twitch, RGB); 15] {
use Twitch::*;
[
(Blue, RGB(0x00, 0x00, 0xFF)),
(BlueViolet, RGB(0x8A, 0x2B, 0xE2)),
(CadetBlue, RGB(0x5F, 0x9E, 0xA0)),
(Chocolate, RGB(0xD2, 0x69, 0x1E)),
(Coral, RGB(0xFF, 0x7F, 0x50)),
(DodgerBlue, RGB(0x1E, 0x90, 0xFF)),
(Firebrick, RGB(0xB2, 0x22, 0x22)),
(GoldenRod, RGB(0xDA, 0xA5, 0x20)),
(Green, RGB(0x00, 0x80, 0x00)),
(HotPink, RGB(0xFF, 0x69, 0xB4)),
(OrangeRed, RGB(0xFF, 0x45, 0x00)),
(Red, RGB(0xFF, 0x00, 0x00)),
(SeaGreen, RGB(0x2E, 0x8B, 0x57)),
(SpringGreen, RGB(0x00, 0xFF, 0x7F)),
(YellowGreen, RGB(0xAD, 0xFF, 0x2F)),
]
}