93 lines
3.1 KiB
JavaScript
93 lines
3.1 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var _graphic = require("../graphic");
|
||
|
|
|
||
|
|
var extendShape = _graphic.extendShape;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sausage: similar to sector, but have half circle on both sides
|
||
|
|
* @public
|
||
|
|
*/
|
||
|
|
var _default = extendShape({
|
||
|
|
type: 'sausage',
|
||
|
|
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 dr = (r - r0) * 0.5;
|
||
|
|
var rCenter = r0 + dr;
|
||
|
|
var startAngle = shape.startAngle;
|
||
|
|
var endAngle = shape.endAngle;
|
||
|
|
var clockwise = shape.clockwise;
|
||
|
|
var unitStartX = Math.cos(startAngle);
|
||
|
|
var unitStartY = Math.sin(startAngle);
|
||
|
|
var unitEndX = Math.cos(endAngle);
|
||
|
|
var unitEndY = Math.sin(endAngle);
|
||
|
|
var lessThanCircle = clockwise ? endAngle - startAngle < Math.PI * 2 : startAngle - endAngle < Math.PI * 2;
|
||
|
|
|
||
|
|
if (lessThanCircle) {
|
||
|
|
ctx.moveTo(unitStartX * r0 + x, unitStartY * r0 + y);
|
||
|
|
ctx.arc(unitStartX * rCenter + x, unitStartY * rCenter + y, dr, -Math.PI + startAngle, startAngle, !clockwise);
|
||
|
|
}
|
||
|
|
|
||
|
|
ctx.arc(x, y, r, startAngle, endAngle, !clockwise);
|
||
|
|
ctx.moveTo(unitEndX * r + x, unitEndY * r + y);
|
||
|
|
ctx.arc(unitEndX * rCenter + x, unitEndY * rCenter + y, dr, endAngle - Math.PI * 2, endAngle - Math.PI, !clockwise);
|
||
|
|
|
||
|
|
if (r0 !== 0) {
|
||
|
|
ctx.arc(x, y, r0, endAngle, startAngle, clockwise);
|
||
|
|
ctx.moveTo(unitStartX * r0 + x, unitEndY * r0 + y);
|
||
|
|
}
|
||
|
|
|
||
|
|
ctx.closePath();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
module.exports = _default;
|