project/node_modules/echarts/lib/util/shape/sausage.js

107 lines
3.6 KiB
JavaScript

/*
* 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;