| 1 | import { normalizeRadian } from './util.js';
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| 2 | var PI2 = Math.PI * 2;
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| 3 | export function containStroke(cx, cy, r, startAngle, endAngle, anticlockwise, lineWidth, x, y) {
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| 4 | if (lineWidth === 0) {
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| 5 | return false;
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| 6 | }
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| 7 | var _l = lineWidth;
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| 8 | x -= cx;
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| 9 | y -= cy;
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| 10 | var d = Math.sqrt(x * x + y * y);
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| 11 | if ((d - _l > r) || (d + _l < r)) {
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| 12 | return false;
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| 13 | }
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| 14 | if (Math.abs(startAngle - endAngle) % PI2 < 1e-4) {
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| 15 | return true;
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| 16 | }
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| 17 | if (anticlockwise) {
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| 18 | var tmp = startAngle;
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| 19 | startAngle = normalizeRadian(endAngle);
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| 20 | endAngle = normalizeRadian(tmp);
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| 21 | }
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| 22 | else {
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| 23 | startAngle = normalizeRadian(startAngle);
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| 24 | endAngle = normalizeRadian(endAngle);
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| 25 | }
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| 26 | if (startAngle > endAngle) {
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| 27 | endAngle += PI2;
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| 28 | }
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| 29 | var angle = Math.atan2(y, x);
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| 30 | if (angle < 0) {
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| 31 | angle += PI2;
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| 32 | }
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| 33 | return (angle >= startAngle && angle <= endAngle)
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| 34 | || (angle + PI2 >= startAngle && angle + PI2 <= endAngle);
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| 35 | }
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