mirror of
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Merge pull request #3767 from tylershuster/svg-clock
clock: render in SVG, show moon phase
This commit is contained in:
matildepark
GitHub
commit
e147599bbe
@ -1,38 +1,28 @@
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import React from 'react';
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import moment from 'moment';
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import SunCalc from 'suncalc';
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import styled from 'styled-components';
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import Tile from './tile';
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const innerSize = 124; // clock size
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const VIEWBOX_SIZE = 100;
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const CX = VIEWBOX_SIZE / 2;
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const CY = VIEWBOX_SIZE / 2;
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const RADIUS = VIEWBOX_SIZE / 2;
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const CELESTIAL_BODY_SIZE = 16;
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// polar to cartesian
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// var ptc = function(r, theta) {
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// return {
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// x: r * Math.cos(theta),
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// y: r * Math.sin(theta)
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// }
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// }
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let timeTextColor = '#000000', dateTextColor = '#333333', background = '#ffffff';
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const dark = window.matchMedia('(prefers-color-scheme: dark)');
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if (dark.matches) {
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timeTextColor = '#ffffff';
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dateTextColor = '#7f7f7f';
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background = '#333';
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}
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function darkColors(dark) {
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if (dark.matches) {
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timeTextColor = '#ffffff';
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dateTextColor = '#7f7f7f';
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background = '#ffffff';
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const ApplyClockBg = styled.div`
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.background {
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fill: ${p => p.theme.colors.white};
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}
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}
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dark.addListener(darkColors);
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.time {
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fill: ${p => p.theme.colors.black};
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color: ${p => p.theme.colors.black};
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}
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.date {
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fill: ${p => p.theme.colors.gray};
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}
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`;
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const toRelativeTime = (date, referenceTime, unit) => moment(date)
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.diff(referenceTime, unit);
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@ -42,10 +32,6 @@ const minsToDegs = (mins) => {
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return (mins / 1440) * 360;
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};
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const splitArc = (start, end) => end + ((start - end) * 0.5);
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const isOdd = n => Math.abs(n % 2) == 1;
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const radToDeg = rad => rad * (180 / Math.PI);
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const degToRad = deg => deg * (Math.PI / 180);
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@ -54,58 +40,137 @@ const convert = (date, referenceTime) => {
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return minsToDegs(toRelativeTime(date, referenceTime, 'minutes'));
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};
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const circle = (ctx, x, y, r, from, to, fill) => {
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ctx.beginPath();
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ctx.arc( x, y, r, from, to );
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ctx.strokeStyle = 'rgba(0,0,0,0)';
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ctx.fillStyle = fill || 'rgba(0,0,0,0)';
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ctx.fill();
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};
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const circleClip = (ctx, x, y, r, from, to, fill) => {
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ctx.globalCompositeOperation = 'xor';
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circle(ctx, x, y, r, from, to, fill);
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ctx.globalCompositeOperation = 'source-over';
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};
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const circleOutline = (ctx, x, y, r, from, to, stroke, lineWidth) => {
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ctx.beginPath();
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ctx.arc( x, y, r, from, to );
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ctx.fillStyle = 'rgba(0,0,0,0)';
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ctx.lineWidth = lineWidth;
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ctx.strokeStyle = stroke || 'rgba(0,0,0,0)';
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if (lineWidth) {
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ctx.stroke();
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// https://github.com/tingletech/moon-phase
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export const dFromPhase = (moonPhase) => {
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let mag, sweep, d = "m50,0";
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if (moonPhase <= 0.25) {
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sweep = [ 1, 0 ];
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mag = 20 - 20 * moonPhase * 4;
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} else if (moonPhase <= 0.50) {
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sweep = [ 0, 0 ];
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mag = 20 * (moonPhase - 0.25) * 4;
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} else if (moonPhase <= 0.75) {
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sweep = [ 1, 1 ];
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mag = 20 - 20 * (moonPhase - 0.50) * 4;
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} else if (moonPhase <= 1) {
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sweep = [ 0, 1 ];
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mag = 20 * (moonPhase - 0.75) * 4;
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}
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};
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const arc = (ctx, x, y, r, from, to, fill) => {
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ctx.beginPath();
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ctx.arc( x, y, r, from, to );
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ctx.fillStyle = 'rgba(0,0,0,0)';
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ctx.lineWidth = r * 2;
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ctx.strokeStyle = fill || 'rgba(0,0,0,0)';
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ctx.stroke();
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};
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d = d + "a" + mag + ",20 0 1," + sweep[0] + " 0,100 ";
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d = d + "a20,20 0 1," + sweep[1] + " 0,-100";
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return d;
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}
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const degArc = (ctx, x, y, r, from, to, fill) => {
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ctx.beginPath();
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ctx.arc( x, y, r, degToRad(from), degToRad(to));
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ctx.fillStyle = 'rgba(0,0,0,0)';
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ctx.lineWidth = r * 2;
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ctx.strokeStyle = fill || 'rgba(0,0,0,0)';
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ctx.stroke();
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};
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const Moon = ({ angle, ...props }) => {
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const phase = SunCalc.getMoonIllumination(moment().toDate()).phase.toFixed(2);
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const cx = CX + (RADIUS - 12) * Math.cos(degToRad(angle)) - (CELESTIAL_BODY_SIZE / 2);
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const cy = CY + (RADIUS - 12) * Math.sin(degToRad(angle)) - (CELESTIAL_BODY_SIZE / 2);
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return (
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<g>
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<mask id="umbra">
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<rect x="-50" y="-50" height="200" width="200" fill="black" />
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<path d={dFromPhase(phase)} fill="white"/>
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</mask>
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<use
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width={CELESTIAL_BODY_SIZE}
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height={CELESTIAL_BODY_SIZE}
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xlinkHref="#Moon-symbol"
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x={cx}
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y={cy}
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transform={`rotate(${angle} ${cx + (CELESTIAL_BODY_SIZE / 2)} ${cy + (CELESTIAL_BODY_SIZE / 2)})`}
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/>
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</g>
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);
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}
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class Clock extends React.Component {
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const Sun = ({ angle, ...props}) => (
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<circle
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id="sun"
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cx={CX + (RADIUS - 12) * Math.cos(degToRad(angle))}
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cy={CY + (RADIUS - 12) * Math.sin(degToRad(angle))}
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fill="#FCC440"
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stroke="rgba(0,0,0,0.1)"
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r={CELESTIAL_BODY_SIZE / 2}
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{...props}
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></circle>
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);
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const SvgArc = ({ start, end, ...rest }) => {
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const x1 = CX + RADIUS * Math.cos(degToRad(start));
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const y1 = CY + RADIUS * Math.sin(degToRad(start));
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const x2 = CX + RADIUS * Math.cos(degToRad(end));
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const y2 = CY + RADIUS * Math.sin(degToRad(end));
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const isLarge = Math.abs((start > 360 ? start - 360 : start) - end) > 180;
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const d = [
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'M', CX, CY,
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'L', x1, y1,
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'A', RADIUS, RADIUS, '0', (isLarge ? '1' : '0'), '1', x2, y2, 'z'
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].join(' ');
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return <path d={d} {...rest} />;
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}
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class ClockText extends React.Component {
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constructor(props) {
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super(props);
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this.state = {
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time: Date.now()
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}
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}
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componentDidMount() {
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this.interval = setInterval(() => this.setState({ time: Date.now() }), 1000);
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}
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componentWillUnmount() {
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clearInterval(this.interval);
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}
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render() {
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const now = moment(this.state.time);
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return (
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<>
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<use xlinkHref="#clock-center" className="background" />
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<text
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textAnchor="middle"
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x={CX}
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y={CY - 2}
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fontSize="10"
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fontFamily="Inter"
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className="time"
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>
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<tspan>{now.format('h')}</tspan>
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<tspan>:<animate attributeName="fill"
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values="currentColor;transparent"
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begin="0s"
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dur="1s"
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calcMode="discrete"
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repeatCount="indefinite"/>
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</tspan>
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<tspan>{now.format('mm A')}</tspan>
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</text>
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<text
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textAnchor="middle"
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x={CX}
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y={CY + 11}
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fontSize="10"
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fontFamily="Inter"
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className="date"
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>{now.format('MMM D')}<tspan style={{ fontFeatureSettings: "'sups' 1" }}>{now.format('Do').replace(now.format('D'), '')}</tspan></text>
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</>
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);
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}
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}
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class Clock extends React.PureComponent {
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constructor(props) {
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super(props);
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this.animate = this.animate.bind(this);
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this.canvasRef = React.createRef();
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this.canvas = null;
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this.angle = 0;
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this.referenceTime = moment().startOf('day').subtract(6, 'hours');
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this.state = {
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time: Date.now(),
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lat: 0,
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lon: 0,
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geolocationSuccess: false,
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@ -164,246 +229,84 @@ class Clock extends React.Component {
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}
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componentDidMount() {
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this.canvas = initCanvas(
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this.canvasRef,
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{ x: innerSize, y: innerSize },
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4
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);
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this.initGeolocation();
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this.animate();
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this.interval = setInterval(() => this.setState({ time: Date.now() }), 60000);
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}
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componentWillUnmount() {
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if (this.animationTimer) {
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window.clearTimeout(this.animationTimer);
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}
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}
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animate() {
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this.animationTimer =
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window.setTimeout(() => window.requestAnimationFrame(this.animate), 1000);
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const { state } = this;
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const time = new Date();
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const ctx = this.canvas.getContext('2d');
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ctx.clearRect(0, 0, ctx.width, ctx.height);
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ctx.save();
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const ctr = innerSize / 2;
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// Sun+moon calculations
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const cx = ctr;
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const cy = ctr;
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this.angle = degToRad(convert(time, this.referenceTime));
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const newX = cx + (ctr - 15) * Math.cos(this.angle);
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const newY = cy + (ctr - 15) * Math.sin(this.angle);
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// Center white circle with time and date
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circle(
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ctx,
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ctr,
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ctr,
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ctr,
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-1,
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2 * Math.PI,
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background
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);
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// Day
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degArc(
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ctx,
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ctr,
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ctr,
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ctr / 2,
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state.sunriseEnd,
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state.sunset,
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'rgba(33, 157, 255, .2)'
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);
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// Sunrise
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degArc(
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ctx,
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ctr,
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ctr,
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ctr / 2,
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state.sunsetStart,
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state.sunriseEnd,
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'#FFC700'
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);
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// Sunset
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degArc(
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ctx,
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ctr,
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ctr,
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ctr / 2,
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state.dusk,
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state.dawn,
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'rgba(255, 65, 54, .8)'
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);
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// Night
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degArc(
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ctx,
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ctr,
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ctr,
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ctr / 2,
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state.night,
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state.nightEnd,
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'rgba(0, 0, 0, .8)'
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);
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if (
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radToDeg(this.angle) > splitArc(state.sunriseEnd, state.nightEnd)
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&& radToDeg(this.angle) < splitArc(state.sunset, state.night)
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) {
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// Sun circle
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circle(
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ctx,
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newX-1/2,
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newY-1/2,
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8,
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0,
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2 * Math.PI,
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'#FCC440'
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);
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// Sun circle border
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circleOutline(
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ctx,
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newX-1/2,
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newY-1/2,
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8,
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0,
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2 * Math.PI,
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'rgba(0,0,0,0.1)',
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1
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);
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} else {
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// Moon circle
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circle(
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ctx,
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newX-1/2,
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newY-1/2,
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8,
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0,
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2 * Math.PI,
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'#FFFFFF'
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);
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// Moon circle outline
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circleOutline(
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ctx,
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newX-1/2,
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newY-1/2,
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8,
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0,
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2 * Math.PI,
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'#000000',
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1
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);
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}
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// Outer borders
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circleOutline(
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ctx,
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ctr,
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ctr,
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ctr-1,
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-1,
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2 * Math.PI,
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'none',
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0
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);
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// Center white circle border
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circleOutline(
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ctx,
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ctr,
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ctr,
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ctr/1.85,
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-1,
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2 * Math.PI,
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'none',
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0
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);
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// Inner hole
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circle(
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ctx,
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ctr,
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ctr,
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ctr/1.85,
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-1,
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2 * Math.PI,
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background
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);
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// Text for time and date
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const timeText = isOdd(time.getSeconds())
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? moment().format('h mm A')
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: moment().format('h:mm A');
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const dateText = moment().format('MMM Do');
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ctx.textAlign = 'center';
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ctx.fillStyle = timeTextColor;
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ctx.font = '12px Inter';
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ctx.fillText(timeText, ctr, ctr + 6 - 7);
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ctx.fillStyle = dateTextColor;
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ctx.font = '12px Inter';
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ctx.fillText(dateText, ctr, ctr + 6 + 7);
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ctx.restore();
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clearInterval(this.interval);
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}
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render() {
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const now = moment(this.state.time);
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const angle = convert(now, this.referenceTime);
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|
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return (
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<canvas
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style={{ height: '100%', width: '100%'}}
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ref={ canvasRef => this.canvasRef = canvasRef }
|
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id="clock-canvas"
|
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/>
|
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<ApplyClockBg>
|
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<svg
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style={{ height: '100%', width: '100%'}}
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viewBox={`0 0 ${VIEWBOX_SIZE} ${VIEWBOX_SIZE}`}
|
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xmlns="http://www.w3.org/2000/svg"
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xmlnsXlink="http://www.w3.org/1999/xlink"
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>
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<defs>
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<symbol id="clock-center">
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||||
<circle r={VIEWBOX_SIZE / 1.85 / 2} cx={CX} cy={CY} />
|
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</symbol>
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<mask id="center-mask">
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<rect x="0" y="0" width={VIEWBOX_SIZE} height={VIEWBOX_SIZE} fill="white" />
|
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<use xlinkHref="#clock-center" fill="black"/>
|
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</mask>
|
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<symbol id="Moon-symbol" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid">
|
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<g>
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<path mask="url(#umbra)" d="m50,0 a20,20 0 1,1 0,100 a20,20 0 1,1 0,-100" fill="#fff" stroke="#000"/>
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</g>
|
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</symbol>
|
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</defs>
|
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<g mask="url(#center-mask)">
|
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<circle cx={CY} cy={CY} r={RADIUS} className="background" />
|
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<SvgArc
|
||||
id="day"
|
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start={this.state.sunriseEnd}
|
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end={this.state.sunset}
|
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fill="rgba(33, 157, 255, .2)"
|
||||
/>
|
||||
<SvgArc
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id="sunrise"
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||||
start={this.state.sunsetStart}
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end={this.state.sunriseEnd}
|
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fill="#FFC700"
|
||||
/>
|
||||
<SvgArc
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id="sunset"
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start={this.state.dusk}
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||||
end={this.state.dawn}
|
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fill="rgba(255, 65, 54, .8)"
|
||||
/>
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<SvgArc
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id="night"
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start={this.state.night}
|
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end={this.state.nightEnd}
|
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fill="rgba(0, 0, 0, .8)"
|
||||
/>
|
||||
{angle > this.state.nightEnd && angle < this.state.sunset
|
||||
? <Sun angle={angle} />
|
||||
: <Moon angle={angle} />
|
||||
}
|
||||
</g>
|
||||
<ClockText />
|
||||
</svg>
|
||||
</ApplyClockBg>
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
export default class ClockTile extends React.Component {
|
||||
constructor(props) {
|
||||
super(props);
|
||||
}
|
||||
|
||||
renderWrapper(child) {
|
||||
return (
|
||||
<Tile p={0} border={0} bg='transparent' boxShadow='none'>
|
||||
{child}
|
||||
</Tile>
|
||||
);
|
||||
}
|
||||
|
||||
render() {
|
||||
const data = this.props.location ? this.props.location : {};
|
||||
return this.renderWrapper((
|
||||
<Clock data={data} />
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
const initCanvas = (canvas, size, ratio) => {
|
||||
const { x, y } = size;
|
||||
// let ratio = ctx.webkitBackingStorePixelRatio < 2
|
||||
// ? window.devicePixelRatio
|
||||
// : 1;
|
||||
|
||||
// default for high print resolution.
|
||||
// ratio = ratio * resMult;
|
||||
|
||||
canvas.width = x * ratio;
|
||||
canvas.height = y * ratio;
|
||||
canvas.style.width = x + 'px';
|
||||
canvas.style.height = y + 'px';
|
||||
|
||||
canvas.getContext('2d').scale(ratio, ratio);
|
||||
|
||||
return canvas;
|
||||
};
|
||||
const ClockTile = ({ location = {} }) => (
|
||||
<Tile p={0} border={0} bg='transparent' boxShadow='none'>
|
||||
<Clock data={location} />
|
||||
</Tile>
|
||||
);
|
||||
|
||||
export default ClockTile;
|
||||
Loading…
Reference in New Issue
Block a user