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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
/**
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* @fileoverview 圆
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* @author dxq613@gmail.com
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*/
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import { __assign, __extends } from "tslib";
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import ShapeBase from './base';
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import { distance } from '../util/util';
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var Circle = /** @class */ (function (_super) {
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__extends(Circle, _super);
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function Circle() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Circle.prototype.getDefaultAttrs = function () {
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var attrs = _super.prototype.getDefaultAttrs.call(this);
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return __assign(__assign({}, attrs), { x: 0, y: 0, r: 0 });
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};
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Circle.prototype.isInStrokeOrPath = function (x, y, isStroke, isFill, lineWidth) {
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var attrs = this.attr();
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var cx = attrs.x;
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var cy = attrs.y;
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var r = attrs.r;
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var halfLineWidth = lineWidth / 2;
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var absDistance = distance(cx, cy, x, y);
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// 直接用距离，如果同时存在边和填充时，可以减少两次计算
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if (isFill && isStroke) {
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return absDistance <= r + halfLineWidth;
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}
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if (isFill) {
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return absDistance <= r;
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}
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if (isStroke) {
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return absDistance >= r - halfLineWidth && absDistance <= r + halfLineWidth;
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}
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return false;
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};
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Circle.prototype.createPath = function (context) {
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var attrs = this.attr();
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var cx = attrs.x;
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var cy = attrs.y;
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var r = attrs.r;
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context.beginPath();
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context.arc(cx, cy, r, 0, Math.PI * 2, false);
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context.closePath();
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};
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return Circle;
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}(ShapeBase));
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export default Circle;
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//# sourceMappingURL=circle.js.map
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