| /* |
| * 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 Path from 'zrender/src/graphic/Path'; |
| export default Path.extend({ |
| type: 'echartsGaugePointer', |
| shape: { |
| angle: 0, |
| width: 10, |
| r: 10, |
| x: 0, |
| y: 0 |
| }, |
| buildPath: function (ctx, shape) { |
| var mathCos = Math.cos; |
| var mathSin = Math.sin; |
| var r = shape.r; |
| var width = shape.width; |
| var angle = shape.angle; |
| var x = shape.x - mathCos(angle) * width * (width >= r / 3 ? 1 : 2); |
| var y = shape.y - mathSin(angle) * width * (width >= r / 3 ? 1 : 2); |
| angle = shape.angle - Math.PI / 2; |
| ctx.moveTo(x, y); |
| ctx.lineTo(shape.x + mathCos(angle) * width, shape.y + mathSin(angle) * width); |
| ctx.lineTo(shape.x + mathCos(shape.angle) * r, shape.y + mathSin(shape.angle) * r); |
| ctx.lineTo(shape.x - mathCos(angle) * width, shape.y - mathSin(angle) * width); |
| ctx.lineTo(x, y); |
| return; |
| } |
| }); |