This will convert an absolute SVG path to a relative SVG path.
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| <html> | |
| <head> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <link href="http://getbootstrap.com/2.3.2/assets/css/bootstrap-responsive.css" rel="stylesheet"> | |
| <link href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css" rel="stylesheet"> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script> | |
| </head> | |
| <div class="page-header"> | |
| <center> | |
| <h1>Conversion<small>(1.937)</small></h1></center> | |
| </div> | |
| <div class= "container-fluid"> | |
| <div class = "hero-unit"> | |
| <center> | |
| <legend>Convert SVG Line to relative</legend> | |
| <label>Mixed relative and Absolute path (string only)</label> | |
| <textarea rows = "4" id = "incorrectpath" type="text" placeholder="place text here"></textarea> | |
| <span id = "answerhere" class="help-block">Answer will appear here</span> | |
| <button onclick = "convertToRelative()" class="btn btn-inverse">Submit</button> | |
| </center> | |
| </div> | |
| </div> | |
| <script src="http://code.jquery.com/jquery-latest.js"></script> | |
| <script> | |
| function convertToRelative() { | |
| var pathstring = document.getElementById("incorrectpath").value | |
| //console.log(pathstring + "got it in") | |
| var svg = d3.select("body").append("svg") | |
| var simple = svg.append("path") | |
| .attr("d", pathstring); | |
| var path = simple.node() | |
| function set(type) { | |
| var args = [].slice.call(arguments, 1) | |
| , rcmd = 'createSVGPathSeg'+ type +'Rel' | |
| , rseg = path[rcmd].apply(path, args); | |
| segs.replaceItem(rseg, i); | |
| } | |
| var dx, dy, x0, y0, x1, y1, x2, y2, segs = path.pathSegList; | |
| for (var x = 0, y = 0, i = 0, len = segs.numberOfItems; i < len; i++) { | |
| var seg = segs.getItem(i) | |
| , c = seg.pathSegTypeAsLetter; | |
| if (/[MLHVCSQTAZz]/.test(c)) { | |
| if ('x1' in seg) x1 = seg.x1 - x; | |
| if ('x2' in seg) x2 = seg.x2 - x; | |
| if ('y1' in seg) y1 = seg.y1 - y; | |
| if ('y2' in seg) y2 = seg.y2 - y; | |
| if ('x' in seg) dx = -x + (x = seg.x); | |
| if ('y' in seg) dy = -y + (y = seg.y); | |
| switch (c) { | |
| case 'M': set('Moveto',dx,dy); break; | |
| case 'L': set('Lineto',dx,dy); break; | |
| case 'H': set('LinetoHorizontal',dx); break; | |
| case 'V': set('LinetoVertical',dy); break; | |
| case 'C': set('CurvetoCubic',dx,dy,x1,y1,x2,y2); break; | |
| case 'S': set('CurvetoCubicSmooth',dx,dy,x2,y2); break; | |
| case 'Q': set('CurvetoQuadratic',dx,dy,x1,y1); break; | |
| case 'T': set('CurvetoQuadraticSmooth',dx,dy); break; | |
| case 'A': set('Arc',dx,dy,seg.r1,seg.r2,seg.angle, | |
| seg.largeArcFlag,seg.sweepFlag); break; | |
| case 'Z': case 'z': x = x0; y = y0; break; | |
| } | |
| } | |
| else { | |
| if ('x' in seg) x += seg.x; | |
| if ('y' in seg) y += seg.y; | |
| } | |
| // store the start of a subpath | |
| if (c == 'M' || c == 'm') { | |
| x0 = x; | |
| y0 = y; | |
| } | |
| } | |
| path.setAttribute('d', path.getAttribute('d').replace(/Z/g, 'z')); | |
| var NewPathAsString = path.getAttribute('d'); | |
| simple.remove() | |
| //console.log(NewPathAsString) | |
| $("span").text(NewPathAsString) | |
| } | |
| </script> | |
| </body> | |
| </html> |
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