-
Notifications
You must be signed in to change notification settings - Fork 0
/
color8.html
235 lines (159 loc) · 7.2 KB
/
color8.html
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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
<!DOCTYPE html>
<html data-theme="dark">
<head>
<link rel="stylesheet" href="https://unpkg.com/@picocss/pico@latest/css/pico.min.css">
<script src="https://gitcdn.link/repo/vinaypillai/ac-colors/master/dist/ac-colors.js"></script>
<title>Color Selector</title>
</head>
<body style="background-color:#000000;min-height: 100vh;position: absolute;">
<div style="display:block;">
<label style="display: inline-block;margin:30px;">
<b>Base Hue:</b>
<!--Some value I like: 190, 206, 240-->
<input type="text" id="base-hue" value="190" onchange="main()" style="width:100px;display: inline-block;" />
</label>
<label style="display: inline-block;margin:30px;">
<b title="What color do you need to input in order to output white ?">White Point (for balance):</b>
<input type="text" id="wb-r" value="220" onchange="main()" style="width:100px;display: inline-block;" />
<input type="text" id="wb-g" value="255" onchange="main()" style="width:100px;display: inline-block;" />
<input type="text" id="wb-b" value="220" onchange="main()" style="width:100px;display: inline-block;" />
</label>
<span>
Variants:
<a href="./color6.html">6</a>-
<a href="./color8.html">8</a>-
<a href="./color12.html">12</a>
Colors
</span>
<label style="display: inline-block;margin:30px;">
<b>Last is black</b>
<input type="checkbox" id="overwrite-black" onchange="main()" role="switch" checked />
</label>
</div>
<div id="grid"
title="First column is your palette, others are there to help you choose base hue. 3 digit number at the end is hue"
style="display: flex;justify-content:space-around;overflow-x:auto"></div>
<br><br><br>
<h4>Color Palette</h4>
<textarea id="palette"></textarea>
<h4>White Balance Adjusted Palette</h4>
<textarea id="palette-wb"></textarea>
<script>
function main() {
var c = new Color();
var c_dim = new Color();
// You can sort of change those freely
// But Bazecor don't like palette that are not exactly 16 elements.
var split_inner = 4;
var split_outer = 2;
var split_outer2 = 7;
var inner = 360 / split_inner;
var outer = inner / split_outer;
var outer2 = outer / split_outer2;
var palette = [];
var palette_wb = [];
var base_hue = parseInt(document.getElementById("base-hue").value);
var wb = [
parseInt(document.getElementById("wb-r").value),
parseInt(document.getElementById("wb-g").value),
parseInt(document.getElementById("wb-b").value)
];
var grid = document.getElementById("grid")
grid.innerHTML = "";
for (k = 0; k < split_outer2; k++) {
var column = document.createElement("div");
column.style.margin = "10px";
column.style.padding = "10px";
if (k == 0) {
column.style.border = "1px solid white";
column.title = "This is your pallette";
}
var column_dim = document.createElement("div");
column_dim.style.marginTop = "10px";
var i, j, k, rgb;
for (i = 0; i < split_outer; i++) {
for (j = 0; j < split_inner; j++) {
// We choose the Luminosity so we are at the limit where
// no color clip or single color clip.
//
// Alternative:
// Accept that some clip but with error less than 5/255?
var hue = (Math.round(base_hue + k * outer2 + i * outer + j * inner) % 360)
c.lchab = [75, 39, hue];
//clip
rgb = c.rgb;
c.rgb = [ff(rgb[0]), ff(rgb[1]), ff(rgb[2])]
//show clip in console
if (k == 0) {
if (c.rgb[0] != rgb[0] || c.rgb[1] != rgb[1] || c.rgb[2] != rgb[2]) {
console.log("clipped", rgb)
}
}
display_color(c, column)
c_dim.lchab = [57, 26, hue];
display_color(c_dim, column_dim)
if (k == 0) {
palette.push(rgb_obj(c.rgb))
palette_wb.push(rgb_obj_wb(c.rgb, wb))
palette.push(rgb_obj(c_dim.rgb))
palette_wb.push(rgb_obj_wb(c_dim.rgb, wb))
}
}
column.appendChild(column_dim)
grid.appendChild(column);
}
}
// overwrite last color to black
if (document.getElementById("overwrite-black").value) {
palette[15] = rgb_obj([0, 0, 0]);
palette_wb[15] = rgb_obj_wb([0, 0, 0], wb);
}
console.log(palette)
console.log(palette_wb)
document.getElementById("palette").value = '"palette":' + JSON.stringify(palette, null, 2);
document.getElementById("palette-wb").value = '"palette":' + JSON.stringify(palette_wb, null, 2);
return true;
}
function display_color(color, parent) {
var node = document.createElement("div"); // Create a <li> node
node.style.width = "100%"
node.style.color = color.rgbString;
node.style.background = "#000";
node.style.whiteSpace = "nowrap";
var hue = color.lchab[2]
var text_node = document.createTextNode("■" + color.hexString + "\xa0" + hue.toFixed(0).toString().padStart(3, '0') + "■");
node.appendChild(text_node);
parent.appendChild(node);
}
function apply_wb(rgb, wb) {
var denum = 1.0 / 255.0;
var r2 = wb[0] * denum * rgb[0];
var g2 = wb[1] * denum * rgb[1];
var b2 = wb[2] * denum * rgb[2];
var l1 = (0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
var l2 = (0.299 * r2 + 0.587 * g2 + 0.114 * b2);
var adjust = l2 < 1e-6 ? 1.0 : l1 / l2;
return [ff(adjust * r2), ff(adjust * g2), ff(adjust * b2)];
return [r, g, b];
}
function ff(x) {
return clip(Math.round(x), 0, 255);
}
function clip(x, min, max) {
return Math.min(Math.max(x, min), max);
}
function rgb_obj_wb(rgb, wb) {
return rgb_obj(apply_wb(rgb, wb));
}
function rgb_obj(rgb) {
return {
"r": rgb[0],
"g": rgb[1],
"b": rgb[2],
"rgb": "rgb(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + ")",
}
}
main();
</script>
</body>
</html>