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watch-canvas.html
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<!doctype html>
<meta charset='utf-8'/>
<meta name='viewport' content='width=device-width' />
<meta name='theme-color' content='#000000'/>
<link id='favicon' rel='shortcut icon'>
<title>
Watch
</title>
<style type='text/css'>
:root {
--bg: #000;
--text: #FFF;
accent-color: var(--accent);
color-scheme: dark;
}
body {
overflow: hidden;
}
body, .btn, input, select {
font-family: Roboto, sans-serif;
font-size: 1rem;
margin: 0;
}
body, .btn, select {
background-color: var(--bg);
color: var(--text);
}
.btn, input, select, summary, .label {
display: block;
padding: .5em;
border-width: 1px;
}
input {
width: 100%;
}
select {
min-width: 8rem;
}
.fade { opacity: 0.5; }
.w100 { width: 100%; }
</style>
<canvas id='face'></canvas>
<div class='fade'>
<input id='offset' class='w100' title='Demo Offset' value='0' type='range' max='86400000' step='100000' onChange='synchronize()'>
<select id='theme' title='Theme' onChange='setTheme(this.value)'></select>
</div>
<canvas id='icon'></canvas>
<script type='text/javascript'>
const doc = document
const $ = doc.querySelector.bind(doc)
const eid = doc.getElementById.bind(doc)
const font = 'jag'
let palettes
const color_palettes = {
black: {
1: '#000',
2: '#408080',
},
white: {
1: '#FFF',
2: '#E0FFFF',
},
red: {
1: '#800000',
2: '#FF7F7F',
},
green: {
1: '#007F00',
2: '#7FFF7F',
},
cyan: {
1: '#408080',
2: '#80C0C0',
},
blue_cyan: {
1: '#0080FF',
},
blue: {
1: '#000080',
},
sky: {
1: '#B0D0FF',
},
}
const colors = ['accent', 'bg', 'color', 'text'].concat(Object.keys(color_palettes))
const themes = {
Dark: {
batt_hi: color_palettes.green,
batt_lo: color_palettes.red,
batt_mid: color_palettes.white,
bg: color_palettes.black[1],
bluetooth_0: color_palettes.red,
bluetooth_1: color_palettes.sky,
body: color_palettes.white,
sec: color_palettes.cyan,
text: color_palettes.white[1],
weather: color_palettes.blue_cyan,
},
Light: {
batt_hi: color_palettes.green,
batt_lo: color_palettes.red,
batt_mid: color_palettes.black,
bg: color_palettes.sky[1],
bluetooth_0: color_palettes.red,
bluetooth_1: color_palettes.blue,
body: color_palettes.black,
sec: color_palettes.cyan,
text: color_palettes.black[1],
weather: color_palettes.blue_cyan,
},
}
for(k in themes){
Object.assign(themes[k], color_palettes)
}
eid('theme').innerHTML = Object.keys(themes).map(t => `<option value='${t}'>${t}</option>`).join('')
const locale = "en-us"
const months = ['JAN.', 'FEB.', 'MAR.', 'APR.', 'MAY', 'JUNE', 'JULY', 'AUG.', 'SEPT', 'OCT.', 'NOV.', 'DEC.']
const _ = void 0
const can = eid('face')
const c = can.getContext('2d')
const height = 160
const width = 130
const pad_h = 6
const pad_v = 6
// zoom dev
const z = 5
can.height = height * z
can.width = width * z
// can.style.height = height + 'px';
// can.style.width = width + 'px';
c.setTransform(z, 0, 0, z, 0, 0)
// icon
const icon_size = 32
const favicon = eid('favicon')
const icon = eid('icon')
icon.style.display = 'none'
const ic = icon.getContext('2d')
icon.height = icon.width = icon_size
// display at the start of each second
function synchronize(){
window.clearTimeout(window.synchronizeTimeout)
const offset = Number(eid('offset').value)
const t = new Date(Date.now() + offset)
display(t)
const r = 1000 - (t % 1000)
window.synchronizeTimeout = window.setTimeout(synchronize, r)
}
const fonts = {
block: {
missing: [
2,2,2,2,2,
2,2,0,2,2,
2,0,2,0,2,
2,2,0,2,2,
2,2,2,2,2,
],
' ': [],
'%': [
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0,0,0,1,0,
0,0,1,0,0,
0,1,0,0,0,
1,0,0,0,1,
],
'*': [
0,1,1,1,0,
0,1,0,1,0,
0,1,1,1,0,
],
'-': [
0,0,0,0,0,
0,0,0,0,0,
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],
'.': [
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0,0,0,0,0,
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0,0,0,0,0,
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],
':': [
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0,0,1,0,0,
0,0,0,0,0,
0,0,1,0,0,
],
'[': [
1,1,1,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,1,1,0,0,
],
']': [
0,0,1,1,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,1,1,1,
],
'}': [
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0,0,0,1,0,
0,0,0,1,1,
0,0,0,1,0,
0,1,1,1,0,
],
_: [
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0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
],
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1,0,0,0,1,
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1,1,1,1,1,
],
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],
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1,1,1,1,1,
],
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],
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0,0,0,0,1,
0,0,0,0,1,
],
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1,1,1,1,1,
1,0,0,0,0,
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0,0,0,0,1,
1,1,1,1,1,
],
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1,1,1,1,1,
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1,0,0,0,1,
1,1,1,1,1,
],
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1,1,1,1,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
],
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1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
],
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1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
0,0,0,0,1,
0,0,0,0,1,
],
A: [
1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
],
B: [
1,1,1,1,0,
1,0,0,1,0,
1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
],
C: [
1,1,1,1,1,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,1,1,1,1,
],
D: [
1,1,1,1,0,
1,0,0,1,1,
1,0,0,0,1,
1,0,0,1,1,
1,1,1,1,0,
],
E: [
1,1,1,1,1,
1,0,0,0,0,
1,1,1,1,1,
1,0,0,0,0,
1,1,1,1,1,
],
F: [
1,1,1,1,1,
1,0,0,0,0,
1,1,1,1,0,
1,0,0,0,0,
1,0,0,0,0,
],
G: [
1,1,1,1,1,
1,0,0,0,0,
1,0,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
],
H: [
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
],
I: [
1,1,1,1,1,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
1,1,1,1,1,
],
J: [
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
],
K: [
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1,0,0,1,0,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
],
L: [
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,1,1,1,1,
],
M: [
1,1,1,1,1,
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
],
N: [
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
],
O: [
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
],
P: [
1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,0,0,
1,0,0,0,0,
],
Q: [
1,1,1,1,0,
1,0,0,1,0,
1,0,0,1,0,
1,0,0,1,0,
1,1,1,1,1,
],
R: [
1,1,1,1,1,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,1,0,
1,0,0,1,0,
],
S: [
1,1,1,1,1,
1,0,0,0,0,
1,1,1,1,1,
0,0,0,0,1,
1,1,1,1,1,
],
T: [
1,1,1,1,1,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
],
U: [
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
],
V: [
1,0,0,0,1,
1,0,0,0,1,
1,1,0,1,1,
0,1,1,1,0,
0,0,1,0,0,
],
W: [
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
1,1,1,1,1,
],
X: [
1,0,0,0,1,
1,1,0,1,1,
0,1,1,1,0,
1,1,0,1,1,
1,0,0,0,1,
],
Y: [
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
0,0,1,0,0,
0,0,1,0,0,
],
Z: [
1,1,1,1,1,
0,0,0,1,1,
0,1,1,1,0,
1,1,0,0,0,
1,1,1,1,1,
],
'β': [1],
'π': [
0,1,1,1,0,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
],
'ο': [
1,0,1,1,0,
0,1,1,0,1,
0,0,1,1,0,
0,1,1,0,1,
1,0,1,1,0,
],
},
jag: {
missing: [
2,2,2,2,2,
2,0,2,2,2,
2,0,2,0,2,
2,2,2,0,2,
2,2,2,2,2,
],
' ': [],
'%': [
1,0,0,0,1,
0,0,0,1,0,
0,0,1,0,0,
0,1,0,0,0,
1,0,0,0,1,
],
'*': [
0,1,0,1,0,
0,0,1,0,0,
0,1,0,1,0,
],
'Β°': [
0,0,1,0,0,
0,1,0,1,0,
0,0,1,0,0,
],
'-': [
0,0,0,0,0,
0,0,0,0,0,
0,1,1,1,0,
],
'.': [
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,0,0,0,0,
],
':': [
0,0,0,0,0,
0,0,1,0,0,
0,0,0,0,0,
0,0,1,0,0,
],
'[': [
1,1,1,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,1,1,0,0,
],
']': [
0,0,1,1,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,1,1,1,
],
'}': [
0,1,1,1,0,
0,0,0,1,0,
0,0,0,1,1,
0,0,0,1,0,
0,1,1,1,0,
],
_: [
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
],
0: [
0,1,1,1,0,
1,0,0,0,1,
1,0,2,0,1,
1,0,0,0,1,
0,1,1,1,0,
],
1: [
0,0,1,0,0,
0,1,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,1,1,1,0,
],
2: [
1,1,1,1,0,
0,0,0,0,1,
0,1,1,1,0,
1,0,0,0,0,
1,1,1,1,1,
],
3: [
1,1,1,1,0,
0,0,0,0,1,
0,1,1,1,0,
0,0,0,0,1,
1,1,1,1,0,
],
4: [
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
0,0,0,0,1,
0,0,0,0,1,
],
5: [
1,1,1,1,1,
1,0,0,0,0,
1,1,1,1,0,
0,0,0,0,1,
1,1,1,1,0,
],
6: [
0,1,1,1,0,
1,0,0,0,0,
1,1,1,1,0,
1,0,0,0,1,
0,1,1,1,0,
],
7: [
1,1,1,1,1,
0,0,0,0,1,
0,0,0,1,0,
0,0,1,0,0,
0,0,1,0,0,
],
8: [
0,1,1,1,0,
1,0,0,0,1,
0,1,1,1,0,
1,0,0,0,1,
0,1,1,1,0,
],
9: [
0,1,1,1,0,
1,0,0,0,1,
0,1,1,1,1,
0,0,0,0,1,
0,1,1,1,0,
],
A: [
0,1,1,1,0,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
],
B: [
1,1,1,1,0,
1,0,0,0,1,
1,1,1,1,0,
1,0,0,0,1,
1,1,1,1,0,
],
C: [
0,1,1,1,1,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
0,1,1,1,1,
],
D: [
1,1,1,1,0,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,0,
],
E: [
1,1,1,1,0,
1,0,0,0,0,
1,1,1,0,0,
1,0,0,0,0,
1,1,1,1,1,
],
F: [
1,1,1,1,1,
1,0,0,0,0,
1,1,1,1,0,
1,0,0,0,0,
1,0,0,0,0,
],
G: [
0,1,1,1,1,
1,0,0,0,0,
1,0,1,1,1,
1,0,0,0,1,
0,1,1,1,1,
],
H: [
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
],
I: [
1,1,1,1,1,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
1,1,1,1,1,
],
J: [
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
],
K: [
1,0,0,1,0,
1,0,0,1,0,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
],
L: [
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,1,1,1,1,
],
M: [
1,1,1,1,1,
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
],
N: [
1,0,0,0,1,
1,1,0,0,1,
1,0,1,0,1,
1,0,0,1,1,
1,0,0,0,1,
],
O: [
0,1,1,1,0,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
0,1,1,1,0,
],
P: [
1,1,1,1,0,
1,0,0,0,1,
1,1,1,1,0,
1,0,0,0,0,
1,0,0,0,0,
],
Q: [
1,1,1,1,0,
1,0,0,1,0,
1,0,0,1,0,
1,0,0,1,0,
1,1,1,1,1,
],
R: [
1,1,1,1,0,
1,0,0,0,1,
1,1,1,1,0,
1,0,0,0,1,
1,0,0,0,1,
],
S: [
0,1,1,1,1,
1,0,0,0,0,
0,1,1,1,0,
0,0,0,0,1,
1,1,1,1,0,
],
T: [
1,1,1,1,1,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
],
U: [
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
0,1,1,1,0,
],
V: [
1,0,0,0,1,
1,0,0,0,1,
1,0,0,0,1,
0,1,0,1,0,
0,0,1,0,0,
],
W: [
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
1,0,1,0,1,
0,1,0,1,0,
],
X: [
1,0,0,0,1,
1,1,0,1,1,
0,1,1,1,0,
1,1,0,1,1,
1,0,0,0,1,
],
Y: [
1,0,0,0,1,
0,1,0,1,0,
0,0,1,0,0,
0,0,1,0,0,
0,0,1,0,0,
],
Z: [
1,1,1,1,1,
0,0,0,1,0,
0,0,1,0,0,
0,1,0,0,0,
1,1,1,1,1,
],
'π': [
0,1,1,1,0,
1,1,1,1,1,
1,0,0,0,1,
1,0,0,0,1,
1,1,1,1,1,
],
'ο': [
1,0,1,1,0,
0,1,1,0,1,
0,0,1,1,0,
0,1,1,0,1,
1,0,1,1,0,
],
},
}
const {ceil, floor, random, round} = Math
const sym_w = 5
const sym_w2 = sym_w * 2
const g = sym_w + 1
const g2 = g * 2
const slots_h = floor((width - pad_h) / g)
const slots_v = floor((height - pad_v) / g)
const tiles_h = ceil(width / g * .5)
const tiles_v = ceil(height / g * .5) - 1
setTheme('Dark')
function setTheme(theme){
palettes = themes[theme]
$(`#theme [value=${theme}]`).selected = true
palettes.accent = palettes.color
colors.forEach(color => {
doc.documentElement.style.setProperty('--'+color, palettes[color])
})
$(`meta[name='theme-color']`).setAttribute('content', palettes.bg)
synchronize()
}
function symbol(s, x, y, m, p, f, c = c){
const font = fonts[f]
const bmp = font[s] || font.missing
const l = bmp.length
for(var i = 0; i < l; ++i){
let b = bmp[i]
if(b === 0) continue
c.fillStyle = palettes[p][b]
c.fillRect(
m * (x * g + (i % sym_w)) + pad_h,
(y * g + m * floor(i / sym_w)) + pad_v,
m, m
)
}
}
function str(s, x, y, m = 1, p = 'body', f = font, ctx = c){
s = [...s] // unicode
for(var i = 0; i < s.length; ++i){
symbol(
s[i],
x + i,
y, m, p, f, ctx
)
}
}
function display(t){
const month = months[t.getMonth()]
const weekday = t.toLocaleString(locale, { weekday: 'long' }).toUpperCase()
const hours = t.getHours()
const minutes = t.getMinutes()
const time = zeropad2(hours) + ':' + zeropad2(minutes)
const seconds = zeropad2(t.getSeconds())
const numdate =
t.getFullYear()+
'-'+
zeropad2(t.getMonth() + 1)+
'-'+
zeropad2(t.getDate())
c.clearRect(0, 0, width, height)
const tiles = tiles_h * tiles_v
for(var i = 0; i < tiles; ++i){
c.fillStyle = 'rgba('+
Array.apply(null, Array(3)).map(
() => floor(random() * 256)
).concat(.1).join()
+')'
c.fillRect(
i % tiles_h * g2,
floor(i / tiles_h) * g2,
sym_w2, sym_w2
)
}
let x = y = 0, m = 1
str(month, 10, y-.2)
str(weekday.slice(0,3)+'.', 16, y-.2)
str(numdate, 0, y+=1, 2)
str(time, 0, y+=3, 4, _, 'block')
str(seconds, 3, y+=4, 4, 'sec', 'block')
str(weekday, .5, y+=5, 2)
y += 4
const weathers = ['CLOUD', 'SNOW', 'FOG', 'RAIN', 'FAIR', 'SUNNY']
const temperature = (t % 864e5) / 864e3
const weather = weathers[floor(temperature / 100 * weathers.length)]
const s = round((temperature-32)/1.8)+'Β°C'
const battery = 100 - floor((t % 864e5) / 864e3)
const batt_s = (' ' + battery).slice(-2)
const batt_c = 'batt_' + ['lo', 'mid', 'hi'][floor(battery * .0299)]
str(`π${batt_s}%`, .5, y, 2, batt_c, 'block')
'β'
'π'
const bluetooth = floor(hours / 12)
str(
'ο'
, 5.5, y, 2
,'bluetooth_'+bluetooth
)
str(
(bluetooth ? 'ON' : 'OFF')
, 7, y, 2
,'bluetooth_'+bluetooth
)
{
let y = 23, m = 10, f = 'block'
str('β', .7, y, m, 'red', f)
str('β', .9, y, m, 'green', f)
str('β', 1.1, y, m, 'blue', f)
}
ic.clearRect(0, 0, icon_size, icon_size)
str(`${zeropad2(hours)}`, 0, 0, 2, 'white', 'block', ic)
str(`${zeropad2(minutes)}`, 0, 2, 2, 'white', 'block', ic)
favicon.href = icon.toDataURL('image/png')
}
function zeropad2(s){
return ('0' + s).slice(-2)
}
synchronize()
</script>