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Direktori : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/contain/ |
Current File : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/contain/quadratic.js |
define(function (require) { var curve = require('../core/curve'); return { /** * 二次贝塞尔曲线描边包含判断 * @param {number} x0 * @param {number} y0 * @param {number} x1 * @param {number} y1 * @param {number} x2 * @param {number} y2 * @param {number} lineWidth * @param {number} x * @param {number} y * @return {boolean} */ containStroke: function (x0, y0, x1, y1, x2, y2, lineWidth, x, y) { if (lineWidth === 0) { return false; } var _l = lineWidth; // Quick reject if ( (y > y0 + _l && y > y1 + _l && y > y2 + _l) || (y < y0 - _l && y < y1 - _l && y < y2 - _l) || (x > x0 + _l && x > x1 + _l && x > x2 + _l) || (x < x0 - _l && x < x1 - _l && x < x2 - _l) ) { return false; } var d = curve.quadraticProjectPoint( x0, y0, x1, y1, x2, y2, x, y, null ); return d <= _l / 2; } }; });