wit-uniapp/node_modules/echarts/lib/util/shape/sausage.js

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { __extends } from "tslib";
import { Path } from '../graphic.js';
/**
 * Sausage: similar to sector, but have half circle on both sides
 */

var SausageShape =
/** @class */
function () {
  function SausageShape() {
    this.cx = 0;
    this.cy = 0;
    this.r0 = 0;
    this.r = 0;
    this.startAngle = 0;
    this.endAngle = Math.PI * 2;
    this.clockwise = true;
  }

  return SausageShape;
}();

var SausagePath =
/** @class */
function (_super) {
  __extends(SausagePath, _super);

  function SausagePath(opts) {
    var _this = _super.call(this, opts) || this;

    _this.type = 'sausage';
    return _this;
  }

  SausagePath.prototype.getDefaultShape = function () {
    return new SausageShape();
  };

  SausagePath.prototype.buildPath = function (ctx, shape) {
    var cx = shape.cx;
    var cy = shape.cy;
    var r0 = Math.max(shape.r0 || 0, 0);
    var r = Math.max(shape.r, 0);
    var dr = (r - r0) * 0.5;
    var rCenter = r0 + dr;
    var startAngle = shape.startAngle;
    var endAngle = shape.endAngle;
    var clockwise = shape.clockwise;
    var PI2 = Math.PI * 2;
    var lessThanCircle = clockwise ? endAngle - startAngle < PI2 : startAngle - endAngle < PI2;

    if (!lessThanCircle) {
      // Normalize angles
      startAngle = endAngle - (clockwise ? PI2 : -PI2);
    }

    var unitStartX = Math.cos(startAngle);
    var unitStartY = Math.sin(startAngle);
    var unitEndX = Math.cos(endAngle);
    var unitEndY = Math.sin(endAngle);

    if (lessThanCircle) {
      ctx.moveTo(unitStartX * r0 + cx, unitStartY * r0 + cy);
      ctx.arc(unitStartX * rCenter + cx, unitStartY * rCenter + cy, dr, -Math.PI + startAngle, startAngle, !clockwise);
    } else {
      ctx.moveTo(unitStartX * r + cx, unitStartY * r + cy);
    }

    ctx.arc(cx, cy, r, startAngle, endAngle, !clockwise);
    ctx.arc(unitEndX * rCenter + cx, unitEndY * rCenter + cy, dr, endAngle - Math.PI * 2, endAngle - Math.PI, !clockwise);

    if (r0 !== 0) {
      ctx.arc(cx, cy, r0, endAngle, startAngle, clockwise);
    } // ctx.closePath();

  };

  return SausagePath;
}(Path);

export default SausagePath;