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Direktori : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/graphic/helper/ |
Current File : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/graphic/helper/poly.js |
define(function (require) { var smoothSpline = require('./smoothSpline'); var smoothBezier = require('./smoothBezier'); return { buildPath: function (ctx, shape, closePath) { var points = shape.points; var smooth = shape.smooth; if (points && points.length >= 2) { if (smooth && smooth !== 'spline') { var controlPoints = smoothBezier( points, smooth, closePath, shape.smoothConstraint ); ctx.moveTo(points[0][0], points[0][1]); var len = points.length; for (var i = 0; i < (closePath ? len : len - 1); i++) { var cp1 = controlPoints[i * 2]; var cp2 = controlPoints[i * 2 + 1]; var p = points[(i + 1) % len]; ctx.bezierCurveTo( cp1[0], cp1[1], cp2[0], cp2[1], p[0], p[1] ); } } else { if (smooth === 'spline') { points = smoothSpline(points, closePath); } ctx.moveTo(points[0][0], points[0][1]); for (var i = 1, l = points.length; i < l; i++) { ctx.lineTo(points[i][0], points[i][1]); } } closePath && ctx.closePath(); } } }; });