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| var Path = require("../Path");
|
| var fixClipWithShadow = require("../helper/fixClipWithShadow");
|
| /**
| * 扇形
| * @module zrender/graphic/shape/Sector
| */
| var _default = Path.extend({
| type: 'sector',
| shape: {
| cx: 0,
| cy: 0,
| r0: 0,
| r: 0,
| startAngle: 0,
| endAngle: Math.PI * 2,
| clockwise: true
| },
| brush: fixClipWithShadow(Path.prototype.brush),
| buildPath: function (ctx, shape) {
| var x = shape.cx;
| var y = shape.cy;
| var r0 = Math.max(shape.r0 || 0, 0);
| var r = Math.max(shape.r, 0);
| var startAngle = shape.startAngle;
| var endAngle = shape.endAngle;
| var clockwise = shape.clockwise;
| var unitX = Math.cos(startAngle);
| var unitY = Math.sin(startAngle);
| ctx.moveTo(unitX * r0 + x, unitY * r0 + y);
| ctx.lineTo(unitX * r + x, unitY * r + y);
| ctx.arc(x, y, r, startAngle, endAngle, !clockwise);
| ctx.lineTo(Math.cos(endAngle) * r0 + x, Math.sin(endAngle) * r0 + y);
|
| if (r0 !== 0) {
| ctx.arc(x, y, r0, endAngle, startAngle, clockwise);
| }
|
| ctx.closePath();
| }
| });
|
| module.exports = _default;
|
|
