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<!doctype html> <html> <head> <title>Code coverage report for src/geometry/LineUtil.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta http-equiv="content-language" content="en-gb"> <link rel='stylesheet' href='../../prettify.css'> <style type='text/css'> body, html { margin:0; padding: 0; } body { font-family: "Helvetic Neue", Helvetica,Arial; font-size: 10pt; } div.header, div.footer { background: #eee; padding: 1em; } div.header { z-index: 100; position: fixed; top: 0; border-bottom: 1px solid #666; width: 100%; } div.footer { border-top: 1px solid #666; } div.body { margin-top: 10em; } div.meta { font-size: 90%; text-align: center; } h1, h2, h3 { font-weight: normal; } h1 { font-size: 12pt; } h2 { font-size: 10pt; } pre { font-family: consolas, menlo, monaco, monospace; margin: 0; padding: 0; line-height: 14px; font-size: 14px; } div.path { font-size: 110%; } div.path a:link, div.path a:visited { color: #000; } table.coverage { border-collapse: collapse; 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}   var sqTolerance = tolerance * tolerance;   // stage 1: vertex reduction points = this._reducePoints(points, sqTolerance);   // stage 2: Douglas-Peucker simplification points = this._simplifyDP(points, sqTolerance);   return points; },   // distance from a point to a segment between two points pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) { return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true)); },   closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) { return this._sqClosestPointOnSegment(p, p1, p2); },   // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm _simplifyDP: function (points, sqTolerance) {   var len = points.length, ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array, markers = new ArrayConstructor(len);   markers[0] = markers[len - 1] = 1;   this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);   var i, newPoints = [];   for (i = 0; i < len; i++) { if (markers[i]) { newPoints.push(points[i]); } }   return newPoints; },   _simplifyDPStep: function (points, markers, sqTolerance, first, last) {   var maxSqDist = 0, index, i, sqDist;   for (i = first + 1; i <= last - 1; i++) { sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);   if (sqDist > maxSqDist) { index = i; maxSqDist = sqDist; } }   if (maxSqDist > sqTolerance) { markers[index] = 1;   this._simplifyDPStep(points, markers, sqTolerance, first, index); this._simplifyDPStep(points, markers, sqTolerance, index, last); } },   // reduce points that are too close to each other to a single point _reducePoints: function (points, sqTolerance) { var reducedPoints = [points[0]];   for (var i = 1, prev = 0, len = points.length; i < len; i++) { if (this._sqDist(points[i], points[prev]) > sqTolerance) { reducedPoints.push(points[i]); prev = i; } } if (prev < len - 1) { reducedPoints.push(points[len - 1]); } return reducedPoints; },   // Cohen-Sutherland line clipping algorithm. // Used to avoid rendering parts of a polyline that are not currently visible.   clipSegment: function (a, b, bounds, useLastCode) { var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds), codeB = this._getBitCode(b, bounds),   codeOut, p, newCode;   // save 2nd code to avoid calculating it on the next segment this._lastCode = codeB;   while (true) { // if a,b is inside the clip window (trivial accept) if (!(codeA | codeB)) { return [a, b]; // if a,b is outside the clip window (trivial reject) } else if (codeA & codeB) { return false; // other cases } else { codeOut = codeA || codeB, p = this._getEdgeIntersection(a, b, codeOut, bounds), newCode = this._getBitCode(p, bounds);   if (codeOut === codeA) { a = p; codeA = newCode; } else { b = p; codeB = newCode; } } } },   _getEdgeIntersection: function (a, b, code, bounds) { var dx = b.x - a.x, dy = b.y - a.y, min = bounds.min, max = bounds.max;   if (code & 8) { // top return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y); } else if (code & 4) { // bottom return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y); } else if (code & 2) { // right return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx); } else Eif (code & 1) { // left return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx); } },   _getBitCode: function (/*Point*/ p, bounds) { var code = 0;   if (p.x < bounds.min.x) { // left code |= 1; } else if (p.x > bounds.max.x) { // right code |= 2; } if (p.y < bounds.min.y) { // bottom code |= 4; } else if (p.y > bounds.max.y) { // top code |= 8; }   return code; },   // square distance (to avoid unnecessary Math.sqrt calls) _sqDist: function (p1, p2) { var dx = p2.x - p1.x, dy = p2.y - p1.y; return dx * dx + dy * dy; },   // return closest point on segment or distance to that point _sqClosestPointOnSegment: function (p, p1, p2, sqDist) { var x = p1.x, y = p1.y, dx = p2.x - x, dy = p2.y - y, dot = dx * dx + dy * dy, t;   Eif (dot > 0) { t = ((p.x - x) * dx + (p.y - y) * dy) / dot;   if (t > 1) { x = p2.x; y = p2.y; } else if (t > 0) { x += dx * t; y += dy * t; } }   dx = p.x - x; dy = p.y - y;   return sqDist ? dx * dx + dy * dy : new L.Point(x, y); } };  </pre></td></tr> </table></pre> </div> <div class='footer'> <div class='meta'>Generated by <a href='http://istanbul-js.org' target='_blank'>istanbul</a> at Thu Apr 04 2013 12:16:35 GMT+0300 (EEST)</div> </div> </body> <script src="../../prettify.js"></script> <script src="http://yui.yahooapis.com/3.6.0/build/yui/yui-min.js"></script> <script> YUI().use('datatable', function (Y) { var formatters = { pct: function (o) { o.className += o.record.get('classes')[o.column.key]; try { return o.value.toFixed(2) + '%'; } catch (ex) { return o.value + '%'; } }, html: function (o) { o.className += o.record.get('classes')[o.column.key]; return o.record.get(o.column.key + '_html'); } }, defaultFormatter = function (o) { o.className += o.record.get('classes')[o.column.key]; return o.value; }; function getColumns(theadNode) { var colNodes = theadNode.all('tr th'), cols = [], col; colNodes.each(function (colNode) { col = { key: colNode.getAttribute('data-col'), label: colNode.get('innerHTML') || ' ', sortable: !colNode.getAttribute('data-nosort'), className: colNode.getAttribute('class'), type: colNode.getAttribute('data-type'), allowHTML: colNode.getAttribute('data-html') === 'true' || colNode.getAttribute('data-fmt') === 'html' }; col.formatter = formatters[colNode.getAttribute('data-fmt')] || defaultFormatter; cols.push(col); }); return cols; } function getRowData(trNode, cols) { var tdNodes = trNode.all('td'), i, row = { classes: {} }, node, name; for (i = 0; i < cols.length; i += 1) { name = cols[i].key; node = tdNodes.item(i); row[name] = node.getAttribute('data-value') || node.get('innerHTML'); row[name + '_html'] = node.get('innerHTML'); row.classes[name] = node.getAttribute('class'); //Y.log('Name: ' + name + '; Value: ' + row[name]); if (cols[i].type === 'number') { row[name] = row[name] * 1; } } //Y.log(row); return row; } function getData(tbodyNode, cols) { var data = []; tbodyNode.all('tr').each(function (trNode) { data.push(getRowData(trNode, cols)); }); return data; } function replaceTable(node) { if (!node) { return; } var cols = getColumns(node.one('thead')), data = getData(node.one('tbody'), cols), table, parent = node.get('parentNode'); table = new Y.DataTable({ columns: cols, data: data, sortBy: 'file' }); parent.set('innerHTML', ''); table.render(parent); } Y.on('domready', function () { replaceTable(Y.one('div.coverage-summary table')); if (typeof prettyPrint === 'function') { prettyPrint(); } }); }); </script> </html>