Created
August 30, 2016 18:59
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Save anonymous/59f774b826ff247b134a27612925d405 to your computer and use it in GitHub Desktop.
JS Bin // source http://jsbin.com/cimoqob
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <div id="el1"></div> | |
| <div id="el2"></div> | |
| <script id="jsbin-javascript"> | |
| function horizontalCurve (w, h, opts = {}) { | |
| let { fromBottom, vertical, offset } = Object.assign({ | |
| fromBottom: false, | |
| vertical: false, | |
| offset: 0 | |
| }, opts) | |
| let x1, y1, x2, y2 | |
| if (fromBottom) { | |
| [x1, y1, x2, y2] = [0, h, w, 0] | |
| if (!vertical) { | |
| y1 -= offset | |
| y2 += offset | |
| } | |
| } else { | |
| [x1, y1, x2, y2] = [0, 0, w, h] | |
| if (!vertical) { | |
| y1 += offset | |
| y2 -= offset | |
| } | |
| } | |
| if (vertical) { | |
| x1 += offset | |
| x2 -= offset | |
| } | |
| let line = [] | |
| let mx = x1 + (x2 - x1) / 2 | |
| line.push('M', x1, y1) | |
| if (vertical) { | |
| let my = y1 + (y2 - y1) / 2 | |
| line.push('C', x1, my, x2, my, x2, y2) | |
| } else { | |
| line.push('C', mx, y1, mx, y2, x2, y2) | |
| } | |
| return line.join(' ') | |
| } | |
| (function () { | |
| let strokeWidth = 10 | |
| let [w, h] = [400, 100] | |
| let curve = horizontalCurve(w, h, { | |
| offset: strokeWidth / 2, | |
| fromBottom: true, | |
| vertical: true | |
| }) | |
| let fragment = document.createElement('div') | |
| fragment.innerHTML = ` | |
| <svg width="${w}px" height="${h}px" viewBox="0 0 ${w} ${h}"> | |
| <g> | |
| <path d="${curve}" stroke-width="${strokeWidth}" stroke="#000" fill="none"></path> | |
| </g> | |
| </svg> | |
| ` | |
| let svg = fragment.children[0] | |
| document.body.appendChild(svg) | |
| })() | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">function horizontalCurve (w, h, opts = {}) { | |
| let { fromBottom, vertical, offset } = Object.assign({ | |
| fromBottom: false, | |
| vertical: false, | |
| offset: 0 | |
| }, opts) | |
| let x1, y1, x2, y2 | |
| if (fromBottom) { | |
| [x1, y1, x2, y2] = [0, h, w, 0] | |
| if (!vertical) { | |
| y1 -= offset | |
| y2 += offset | |
| } | |
| } else { | |
| [x1, y1, x2, y2] = [0, 0, w, h] | |
| if (!vertical) { | |
| y1 += offset | |
| y2 -= offset | |
| } | |
| } | |
| if (vertical) { | |
| x1 += offset | |
| x2 -= offset | |
| } | |
| let line = [] | |
| let mx = x1 + (x2 - x1) / 2 | |
| line.push('M', x1, y1) | |
| if (vertical) { | |
| let my = y1 + (y2 - y1) / 2 | |
| line.push('C', x1, my, x2, my, x2, y2) | |
| } else { | |
| line.push('C', mx, y1, mx, y2, x2, y2) | |
| } | |
| return line.join(' ') | |
| } | |
| (function () { | |
| let strokeWidth = 10 | |
| let [w, h] = [400, 100] | |
| let curve = horizontalCurve(w, h, { | |
| offset: strokeWidth / 2, | |
| fromBottom: true, | |
| vertical: true | |
| }) | |
| let fragment = document.createElement('div') | |
| fragment.innerHTML = ` | |
| <svg width="${w}px" height="${h}px" viewBox="0 0 ${w} ${h}"> | |
| <g> | |
| <path d="${curve}" stroke-width="${strokeWidth}" stroke="#000" fill="none"></path> | |
| </g> | |
| </svg> | |
| ` | |
| let svg = fragment.children[0] | |
| document.body.appendChild(svg) | |
| })()</script></body> | |
| </html> |
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Learn more about bidirectional Unicode characters
| function horizontalCurve (w, h, opts = {}) { | |
| let { fromBottom, vertical, offset } = Object.assign({ | |
| fromBottom: false, | |
| vertical: false, | |
| offset: 0 | |
| }, opts) | |
| let x1, y1, x2, y2 | |
| if (fromBottom) { | |
| [x1, y1, x2, y2] = [0, h, w, 0] | |
| if (!vertical) { | |
| y1 -= offset | |
| y2 += offset | |
| } | |
| } else { | |
| [x1, y1, x2, y2] = [0, 0, w, h] | |
| if (!vertical) { | |
| y1 += offset | |
| y2 -= offset | |
| } | |
| } | |
| if (vertical) { | |
| x1 += offset | |
| x2 -= offset | |
| } | |
| let line = [] | |
| let mx = x1 + (x2 - x1) / 2 | |
| line.push('M', x1, y1) | |
| if (vertical) { | |
| let my = y1 + (y2 - y1) / 2 | |
| line.push('C', x1, my, x2, my, x2, y2) | |
| } else { | |
| line.push('C', mx, y1, mx, y2, x2, y2) | |
| } | |
| return line.join(' ') | |
| } | |
| (function () { | |
| let strokeWidth = 10 | |
| let [w, h] = [400, 100] | |
| let curve = horizontalCurve(w, h, { | |
| offset: strokeWidth / 2, | |
| fromBottom: true, | |
| vertical: true | |
| }) | |
| let fragment = document.createElement('div') | |
| fragment.innerHTML = ` | |
| <svg width="${w}px" height="${h}px" viewBox="0 0 ${w} ${h}"> | |
| <g> | |
| <path d="${curve}" stroke-width="${strokeWidth}" stroke="#000" fill="none"></path> | |
| </g> | |
| </svg> | |
| ` | |
| let svg = fragment.children[0] | |
| document.body.appendChild(svg) | |
| })() |
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