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SVG Arc Path Demo with Snap.svg
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| <!-- Written By Philippe Leefsma, Feb 2016 --> | |
| <!DOCTYPE html> | |
| <html> | |
| <head lang="en"> | |
| <meta name="viewport" content="width=device-width, height=device-height, minimal-ui"> | |
| <meta name="apple-mobile-web-app-capable" content="yes"> | |
| <meta charset="UTF-8"> | |
| <title>Snap SVG Arc Path Demo</title> | |
| <script src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/snap.svg-min.js"></script> | |
| <style> | |
| @import url(http://fonts.googleapis.com/css?family=Share+Tech); | |
| body { | |
| background: #efefef; | |
| } | |
| .container.svg { | |
| width: 200px; | |
| height: 200px; | |
| position: relative; | |
| font-family: 'Share Tech', sans-serif; | |
| color: #444; | |
| } | |
| #percent{ | |
| width: 200px; | |
| height: 200px; | |
| top: 0; | |
| left: 0; | |
| } | |
| #svg1, #svg2 { | |
| width: 200px; | |
| height: 200px; | |
| top: 0; | |
| left: 0; | |
| } | |
| #percent { | |
| line-height: 20px; | |
| height: 20px; | |
| width: 100%; | |
| top: 180px; | |
| font-size: 43px; | |
| text-align: center; | |
| color: #3da08d; | |
| opacity: 0.8; | |
| position: absolute | |
| } | |
| p, .btn { | |
| display: block; | |
| text-transform: uppercase; | |
| font-size: 24px; | |
| top: 30px; | |
| } | |
| .btn { | |
| text-align: center; | |
| background: #5fc2af; | |
| color: #fff; | |
| width: 120px; | |
| height: 37px; | |
| line-height: 37px; | |
| cursor: pointer; | |
| } | |
| input.percent { | |
| border: 0; | |
| outline: 0; | |
| border-bottom: 1px solid #eee; | |
| width: 35px; | |
| font-family: helvetica; | |
| font-size: 24px; | |
| text-transform: capitalise; | |
| font-family: 'Share Tech', sans-serif; | |
| background: transparent; | |
| } | |
| .controls1 { | |
| margin-left: 45px; | |
| } | |
| input.clr { | |
| width: 170px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container svg"> | |
| <div class="controls1"> | |
| <p> | |
| <label>Percent:</label> | |
| <input class="percent" maxlength="2" type="text" id="input" value="65"/> | |
| </p> | |
| <a class="btn" id="run">Run</a> | |
| </div> | |
| <div id="percent"></div> | |
| <svg id="svg1"></svg> | |
| <div class="controls2"> | |
| <p> | |
| <label>R:</label> | |
| <input class="clr" type="range" id="inputR" value="200" min="1" max="255" step="1" onchange="drawColorChart()"/> | |
| </p> | |
| <p> | |
| <label>G:</label> | |
| <input class="clr" type="range" id="inputG" value="200" min="1" max="255" step="1" onchange="drawColorChart()"/> | |
| </p> | |
| <p> | |
| <label>B:</label> | |
| <input class="clr" type="range" id="inputB" value="200" min="1" max="255" step="1" onchange="drawColorChart()"/> | |
| </p> | |
| </div> | |
| <svg id="svg2"></svg> | |
| </div> | |
| <script> | |
| //Original version | |
| //http://codepen.io/rachsmith/pen/BqpCd | |
| var runBtn = document.getElementById('run'), | |
| percDiv = document.getElementById('percent'), | |
| input = document.getElementById('input'); | |
| input.onkeyup = function(evt) { | |
| if(isNaN(input.value)) { | |
| input.value = ''; | |
| } | |
| }; | |
| runBtn.onclick = function() { | |
| run(input.value/100); | |
| }; | |
| var sector = null; | |
| var chart = null; | |
| /////////////////////////////////////////////////////////////////// | |
| // Draws the percent counter | |
| // | |
| /////////////////////////////////////////////////////////////////// | |
| function run(percent) { | |
| var snap = Snap('#svg1'); | |
| var attr = { | |
| stroke: '#3da08d', | |
| fill: '#3da08d', | |
| fillOpacity: 0.5, | |
| strokeWidth: 1 | |
| }; | |
| Snap.animate(0, percent * 359.99, function (deg) { | |
| if(sector) sector.remove(); | |
| sector = drawPieSector(snap, | |
| {x:100, y:100}, | |
| 50, 95, | |
| 0, deg, | |
| attr); | |
| percDiv.innerHTML = Math.round(deg/360 * 100) +'%'; | |
| }, 1000, mina.easeinout); | |
| } | |
| /////////////////////////////////////////////////////////////////// | |
| // Draws the color chart | |
| // | |
| /////////////////////////////////////////////////////////////////// | |
| function drawColorChart() { | |
| var r = parseInt(document.getElementById('inputR').value); | |
| var g = parseInt(document.getElementById('inputG').value); | |
| var b = parseInt(document.getElementById('inputB').value); | |
| var data = { | |
| Red: { | |
| value: r, | |
| attr: { | |
| stroke: 'rgb(' + r + ', 0, 0)', | |
| fill: 'rgb(' + r + ', 0, 0)', | |
| fillOpacity: 0.5, | |
| strokeWidth: 1 | |
| } | |
| }, | |
| Green: { | |
| value: g, | |
| attr: { | |
| stroke: 'rgb(0, ' + g + ', 0)', | |
| fill: 'rgb(0, ' + g + ', 0)', | |
| fillOpacity: 0.5, | |
| strokeWidth: 1 | |
| } | |
| }, | |
| Blue: { | |
| value: b, | |
| attr: { | |
| stroke: 'rgb(0, 0, ' + b + ')', | |
| fill: 'rgb(0, 0, ' + b + ')', | |
| fillOpacity: 0.5, | |
| strokeWidth: 1 | |
| } | |
| } | |
| } | |
| var snap = Snap('#svg2'); | |
| if(chart) chart.remove(); | |
| var pie = drawPie(snap, | |
| {x:100, y:100}, | |
| 50, 95, data); | |
| var circle = snap.circle(100, 100, 50); | |
| circle.attr({ | |
| stroke: 'rgb(' + r + ',' + g + ', ' + b + ')', | |
| fill: 'rgb(' + r + ',' + g + ', ' + b + ')', | |
| fillOpacity: 1, | |
| strokeWidth: 1 | |
| }); | |
| chart = snap.group(pie, circle); | |
| } | |
| /////////////////////////////////////////////////////////////////// | |
| // Draws a pie sector | |
| // | |
| /////////////////////////////////////////////////////////////////// | |
| function drawPieSector(snap, centre, | |
| rIn, rOut, startDeg, delta, attr) { | |
| var startOut = { | |
| x: centre.x + rOut * Math.cos(Math.PI*(startDeg)/180), | |
| y: centre.y + rOut * Math.sin(Math.PI*(startDeg)/180) | |
| }; | |
| var endOut = { | |
| x: centre.x + rOut * Math.cos(Math.PI*(startDeg + delta)/180), | |
| y: centre.y + rOut * Math.sin(Math.PI*(startDeg + delta)/180) | |
| }; | |
| var startIn = { | |
| x: centre.x + rIn * Math.cos(Math.PI*(startDeg + delta)/180), | |
| y: centre.y + rIn * Math.sin(Math.PI*(startDeg + delta)/180) | |
| }; | |
| var endIn = { | |
| x: centre.x + rIn * Math.cos(Math.PI*(startDeg)/180), | |
| y: centre.y + rIn * Math.sin(Math.PI*(startDeg)/180) | |
| }; | |
| var largeArc = delta > 180 ? 1 : 0; | |
| var path = "M" + startOut.x + "," + startOut.y + | |
| " A" + rOut + "," + rOut + " 0 " + | |
| largeArc + ",1 " + endOut.x + "," + endOut.y + | |
| " L" + startIn.x + "," + startIn.y + | |
| " A" + rIn + "," + rIn + " 0 " + | |
| largeArc + ",0 " + endIn.x + "," + endIn.y + | |
| " L" + startOut.x + "," + startOut.y + " Z"; | |
| var path = snap.path(path); | |
| path.attr(attr); | |
| return path; | |
| } | |
| /////////////////////////////////////////////////////////////////// | |
| // Draws a pie chart | |
| // | |
| /////////////////////////////////////////////////////////////////// | |
| function drawPie(snap, centre, rIn, rOut, data) { | |
| var total = 0; | |
| for(var key in data){ | |
| total += data[key].value; | |
| } | |
| var startDeg = 0; | |
| var pie = snap.group(); | |
| for(var key in data){ | |
| var delta = 359.99 * data[key].value / total; | |
| var sector = drawPieSector(snap, centre, | |
| rIn, rOut, startDeg, delta, data[key].attr); | |
| pie.add(sector); | |
| startDeg += delta; | |
| } | |
| return pie; | |
| } | |
| run(input.value/100); | |
| drawColorChart(); | |
| </script> | |
| </body> | |
| </html> |
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Thanks for the great example!