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
|
<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8">
<link href="../inter-ui.css" rel="stylesheet">
<style type="text/css">
@font-face {
font-family: 'Inter UI var';
font-weight: 400 900;
src: url('fonts/var/Inter-UI.var.woff2') format("woff2-variations"),
url('../font-files/Inter-UI.var.woff2') format("woff2-variations");
}
html {
font-family: 'Inter UI', sans-serif;
font-size: 14px;
letter-spacing: 0.001em;
}
body {
margin: 0;
padding: 0;
}
.sample {
padding: 40px 40px 40px 35px;
font-size: 96px;
letter-spacing: -0.03em;
/*font-variation-settings: 'wght' 400, 'ital' 0;*/
}
@supports (font-variation-settings: normal) {
html {
font-family: 'Inter UI var', sans-serif;
}
}
label {
user-select: none;
}
.ctrl {
display: flex;
/*justify-content:center;*/
align-items:center;
background: #e5e5e5;
color: #333;
padding:20px 20px 20px 40px;
}
.ctrl input {
margin:0 8px;
}
.ctrl label {
display: flex;
/*justify-content:center;*/
align-items:center;
margin-right:20px;
}
</style>
</head>
<body>
<div class="ctrl">
<label>
Weight:
<input type="range" value="400" min="400" max="900" name="weight">
</label>
<label>
Italic:
<input type="range" value="0" min="0" max="100" name="italic">
</label>
<label>
<input type="checkbox" name="animate">
Animate
</label>
</div>
<div class="sample" contenteditable>
Inter UI 2.6 coming soon <br>
Refined glyphs & kerning <br>
Variable weight axis <br>
Major overhaul 123ABC! <br>
</div>
<script type="text/javascript">
var state = {
weight: 400,
italic: 0,
}
var samples = document.querySelectorAll('div.sample')
var weightInput = document.querySelector('[name="weight"]')
var italicInput = document.querySelector('[name="italic"]')
weightInput.value = String(state.weight)
italicInput.value = String(state.italic)
function updateFontVariationSettings() {
for (let i = 0; i < samples.length; i++) {
let sample = samples[i]
// sample.style.fontVariationSettings =
// `'wght' ${state.weight}, 'ital' ${state.italic}`
sample.style.fontVariationSettings =
`'wght' ${state.weight}, 'ital' ${state.italic}`
}
}
function setWeight(weight) {
state.weight = weight
updateFontVariationSettings()
}
function setItalic(italic) {
state.italic = italic
updateFontVariationSettings()
}
// monotime() :float milliseconds
//
var monotime = (
window.performance !== undefined && window.performance.now ? function() {
return window.performance.now()
} : Date.now ? function() {
return Date.now()
} : function() {
return (new Date()).getTime()
}
)
var isAnimating = false
function startAnimation() {
if (isAnimating) {
return
}
weightInput.disabled = true
isAnimating = true
let v = 0
let wmin = parseFloat(weightInput.min)
, wmax = parseFloat(weightInput.max)
, imin = parseFloat(italicInput.min)
, imax = parseFloat(italicInput.max)
, wspeed = 200 // lower is faster; time divisor
, ispeed = 800
, clamp = 0.001
, startTime = monotime()
function update() {
let r = 0, v = 0
r = (1 + Math.sin((monotime() - startTime) / wspeed)) * 0.5
v = (wmin * (1 - clamp)) + (((wmax * (1 + clamp)) - (wmin * (1 - clamp))) * r)
v = Math.max(wmin, Math.min(wmax, v))
setWeight(v)
weightInput.value = v
r = (1 + Math.sin((monotime() - startTime) / ispeed)) * 0.5
v = (imin * (1 - clamp)) + (((imax * (1 + clamp)) - (imin * (1 - clamp))) * r)
v = Math.max(imin, Math.min(imax, v))
setItalic(v)
italicInput.value = v
if (isAnimating) {
requestAnimationFrame(update)
}
}
update()
}
function stopAnimation() {
isAnimating = false
weightInput.disabled = false
weightInput.value = String(state.weight)
}
// UI control: weight slider
weightInput.addEventListener('input',
weightInput.valueAsNumber !== undefined ? ev => {
setWeight(weightInput.valueAsNumber)
} : ev => {
setWeight(parseFloat(weightInput.value))
}
)
// UI control: italic slider
italicInput.addEventListener('input',
italicInput.valueAsNumber !== undefined ? ev => {
setItalic(italicInput.valueAsNumber)
} : ev => {
setItalic(parseFloat(italicInput.value))
}
)
// UI control: animate
var animateInput = document.querySelector('[name="animate"]')
if (!window.requestAnimationFrame) {
animateInput.disabled = true
} else {
animateInput.addEventListener('change', ev => {
if (animateInput.checked) {
startAnimation()
} else {
stopAnimation()
}
})
}
</script>
</body>
</html>
|
