color/
x11_colors.rs

1// Copyright 2024 the Color Authors
2// SPDX-License-Identifier: Apache-2.0 OR MIT
3
4// This file was auto-generated by make_x11_colors.py. Do not hand-edit.
5
6const SALTS: [u8; 142] = [
7    3, 8, 0, 5, 0, 0, 0, 0, 3, 0, 1, 0, 9, 0, 112, 7, 3, 0, 1, 19, 1, 0, 0, 0, 7, 3, 5, 2, 23, 38,
8    9, 0, 4, 28, 5, 3, 0, 0, 1, 0, 0, 18, 7, 0, 3, 2, 8, 2, 13, 16, 12, 1, 3, 0, 11, 0, 14, 0, 1,
9    0, 2, 4, 1, 0, 3, 6, 1, 0, 3, 3, 0, 0, 3, 0, 6, 17, 0, 10, 0, 0, 1, 1, 7, 12, 1, 7, 0, 2, 0, 0,
10    1, 1, 1, 2, 1, 0, 1, 0, 3, 6, 5, 1, 0, 1, 5, 0, 2, 0, 0, 1, 0, 1, 0, 1, 0, 1, 6, 6, 2, 2, 0, 5,
11    0, 0, 1, 4, 2, 0, 0, 2, 2, 0, 1, 0, 0, 1, 5, 0, 0, 1, 0, 0,
12];
13
14pub(crate) const NAMES: [&str; 142] = [
15    "rosybrown",
16    "forestgreen",
17    "cornsilk",
18    "silver",
19    "purple",
20    "thistle",
21    "antiquewhite",
22    "mediumspringgreen",
23    "dimgray",
24    "olivedrab",
25    "wheat",
26    "mediumturquoise",
27    "darkseagreen",
28    "burlywood",
29    "magenta",
30    "lemonchiffon",
31    "darkkhaki",
32    "lightyellow",
33    "mediumslateblue",
34    "mediumorchid",
35    "rebeccapurple",
36    "transparent",
37    "springgreen",
38    "maroon",
39    "lightseagreen",
40    "yellow",
41    "gray",
42    "tan",
43    "gainsboro",
44    "chartreuse",
45    "gold",
46    "orchid",
47    "red",
48    "snow",
49    "greenyellow",
50    "limegreen",
51    "aqua",
52    "salmon",
53    "sienna",
54    "slateblue",
55    "aquamarine",
56    "azure",
57    "saddlebrown",
58    "lightskyblue",
59    "cornflowerblue",
60    "darkorange",
61    "dodgerblue",
62    "midnightblue",
63    "mediumpurple",
64    "white",
65    "darkslateblue",
66    "darkturquoise",
67    "paleturquoise",
68    "linen",
69    "slategray",
70    "lightpink",
71    "lightcyan",
72    "peru",
73    "beige",
74    "indianred",
75    "navajowhite",
76    "green",
77    "lightblue",
78    "mediumaquamarine",
79    "palegreen",
80    "skyblue",
81    "darkviolet",
82    "deeppink",
83    "darkcyan",
84    "peachpuff",
85    "navy",
86    "darkolivegreen",
87    "lavender",
88    "lightgoldenrodyellow",
89    "moccasin",
90    "deepskyblue",
91    "firebrick",
92    "ghostwhite",
93    "honeydew",
94    "turquoise",
95    "darkorchid",
96    "plum",
97    "lightgray",
98    "chocolate",
99    "lightsteelblue",
100    "bisque",
101    "mediumblue",
102    "aliceblue",
103    "lightcoral",
104    "lightslategray",
105    "darkgreen",
106    "mintcream",
107    "coral",
108    "darkmagenta",
109    "mistyrose",
110    "whitesmoke",
111    "lightsalmon",
112    "mediumvioletred",
113    "tomato",
114    "indigo",
115    "brown",
116    "lawngreen",
117    "cadetblue",
118    "violet",
119    "fuchsia",
120    "darkblue",
121    "orange",
122    "mediumseagreen",
123    "lime",
124    "blue",
125    "darkred",
126    "blueviolet",
127    "papayawhip",
128    "blanchedalmond",
129    "seagreen",
130    "steelblue",
131    "seashell",
132    "lavenderblush",
133    "floralwhite",
134    "lightgreen",
135    "darksalmon",
136    "black",
137    "crimson",
138    "hotpink",
139    "darkslategray",
140    "palevioletred",
141    "oldlace",
142    "darkgray",
143    "olive",
144    "palegoldenrod",
145    "powderblue",
146    "pink",
147    "orangered",
148    "ivory",
149    "teal",
150    "cyan",
151    "darkgoldenrod",
152    "royalblue",
153    "sandybrown",
154    "khaki",
155    "goldenrod",
156    "yellowgreen",
157];
158
159/// RGBA8 color components of the named X11 colors, in the same order as [`NAMES`].
160///
161/// Use [`lookup_palette_index`] to efficiently find the color components for a given color name
162/// string.
163pub(crate) const COLORS: [[u8; 4]; 142] = [
164    [188, 143, 143, 255],
165    [34, 139, 34, 255],
166    [255, 248, 220, 255],
167    [192, 192, 192, 255],
168    [128, 0, 128, 255],
169    [216, 191, 216, 255],
170    [250, 235, 215, 255],
171    [0, 250, 154, 255],
172    [105, 105, 105, 255],
173    [107, 142, 35, 255],
174    [245, 222, 179, 255],
175    [72, 209, 204, 255],
176    [143, 188, 143, 255],
177    [222, 184, 135, 255],
178    [255, 0, 255, 255],
179    [255, 250, 205, 255],
180    [189, 183, 107, 255],
181    [255, 255, 224, 255],
182    [123, 104, 238, 255],
183    [186, 85, 211, 255],
184    [102, 51, 153, 255],
185    [0, 0, 0, 0],
186    [0, 255, 127, 255],
187    [128, 0, 0, 255],
188    [32, 178, 170, 255],
189    [255, 255, 0, 255],
190    [128, 128, 128, 255],
191    [210, 180, 140, 255],
192    [220, 220, 220, 255],
193    [127, 255, 0, 255],
194    [255, 215, 0, 255],
195    [218, 112, 214, 255],
196    [255, 0, 0, 255],
197    [255, 250, 250, 255],
198    [173, 255, 47, 255],
199    [50, 205, 50, 255],
200    [0, 255, 255, 255],
201    [250, 128, 114, 255],
202    [160, 82, 45, 255],
203    [106, 90, 205, 255],
204    [127, 255, 212, 255],
205    [240, 255, 255, 255],
206    [139, 69, 19, 255],
207    [135, 206, 250, 255],
208    [100, 149, 237, 255],
209    [255, 140, 0, 255],
210    [30, 144, 255, 255],
211    [25, 25, 112, 255],
212    [147, 112, 219, 255],
213    [255, 255, 255, 255],
214    [72, 61, 139, 255],
215    [0, 206, 209, 255],
216    [175, 238, 238, 255],
217    [250, 240, 230, 255],
218    [112, 128, 144, 255],
219    [255, 182, 193, 255],
220    [224, 255, 255, 255],
221    [205, 133, 63, 255],
222    [245, 245, 220, 255],
223    [205, 92, 92, 255],
224    [255, 222, 173, 255],
225    [0, 128, 0, 255],
226    [173, 216, 230, 255],
227    [102, 205, 170, 255],
228    [152, 251, 152, 255],
229    [135, 206, 235, 255],
230    [148, 0, 211, 255],
231    [255, 20, 147, 255],
232    [0, 139, 139, 255],
233    [255, 218, 185, 255],
234    [0, 0, 128, 255],
235    [85, 107, 47, 255],
236    [230, 230, 250, 255],
237    [250, 250, 210, 255],
238    [255, 228, 181, 255],
239    [0, 191, 255, 255],
240    [178, 34, 34, 255],
241    [248, 248, 255, 255],
242    [240, 255, 240, 255],
243    [64, 224, 208, 255],
244    [153, 50, 204, 255],
245    [221, 160, 221, 255],
246    [211, 211, 211, 255],
247    [210, 105, 30, 255],
248    [176, 196, 222, 255],
249    [255, 228, 196, 255],
250    [0, 0, 205, 255],
251    [240, 248, 255, 255],
252    [240, 128, 128, 255],
253    [119, 136, 153, 255],
254    [0, 100, 0, 255],
255    [245, 255, 250, 255],
256    [255, 127, 80, 255],
257    [139, 0, 139, 255],
258    [255, 228, 225, 255],
259    [245, 245, 245, 255],
260    [255, 160, 122, 255],
261    [199, 21, 133, 255],
262    [255, 99, 71, 255],
263    [75, 0, 130, 255],
264    [165, 42, 42, 255],
265    [124, 252, 0, 255],
266    [95, 158, 160, 255],
267    [238, 130, 238, 255],
268    [255, 0, 255, 255],
269    [0, 0, 139, 255],
270    [255, 165, 0, 255],
271    [60, 179, 113, 255],
272    [0, 255, 0, 255],
273    [0, 0, 255, 255],
274    [139, 0, 0, 255],
275    [138, 43, 226, 255],
276    [255, 239, 213, 255],
277    [255, 235, 205, 255],
278    [46, 139, 87, 255],
279    [70, 130, 180, 255],
280    [255, 245, 238, 255],
281    [255, 240, 245, 255],
282    [255, 250, 240, 255],
283    [144, 238, 144, 255],
284    [233, 150, 122, 255],
285    [0, 0, 0, 255],
286    [220, 20, 60, 255],
287    [255, 105, 180, 255],
288    [47, 79, 79, 255],
289    [219, 112, 147, 255],
290    [253, 245, 230, 255],
291    [169, 169, 169, 255],
292    [128, 128, 0, 255],
293    [238, 232, 170, 255],
294    [176, 224, 230, 255],
295    [255, 192, 203, 255],
296    [255, 69, 0, 255],
297    [255, 255, 240, 255],
298    [0, 128, 128, 255],
299    [0, 255, 255, 255],
300    [184, 134, 11, 255],
301    [65, 105, 225, 255],
302    [244, 164, 96, 255],
303    [240, 230, 140, 255],
304    [218, 165, 32, 255],
305    [154, 205, 50, 255],
306];
307
308/// Hash the 32 bit key into a value less than `n`, adding salt.
309///
310/// This is basically the weakest hash we can get away with that
311/// still distinguishes all the values.
312#[inline]
313fn weak_hash(key: u32, salt: u32, n: usize) -> usize {
314    let y = key.wrapping_add(salt).wrapping_mul(2654435769);
315    let y = y ^ key;
316    (((y as u64) * (n as u64)) >> 32) as usize
317}
318
319/// Given a named color (e.g., "red", "mediumorchid"), returns the index of that color into
320/// [`COLORS`] and [`NAMES`].
321pub(crate) fn lookup_palette_index(s: &str) -> Option<usize> {
322    let mut key = 0_u32;
323    for b in s.as_bytes() {
324        key = key.wrapping_mul(9).wrapping_add(*b as u32);
325    }
326    let salt = SALTS[weak_hash(key, 0, SALTS.len())] as u32;
327    let ix = weak_hash(key, salt, SALTS.len());
328    if s == NAMES[ix] {
329        Some(ix)
330    } else {
331        None
332    }
333}
color/x11_colors.rs

color/
x11_colors.rs
