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Direktori : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/graphic/shape/ |
Current File : /home/opti/workflow/src/public/app-assets/vendors/js/charts/echarts/zrender/graphic/shape/Sector.js |
/** * 扇形 * @module zrender/graphic/shape/Sector */ // FIXME clockwise seems wrong define(function (require) { return require('../Path').extend({ type: 'sector', shape: { cx: 0, cy: 0, r0: 0, r: 0, startAngle: 0, endAngle: Math.PI * 2, clockwise: true }, 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(); } }); });