68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var Path = require("zrender/lib/graphic/Path");
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var _default = Path.extend({
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type: 'echartsGaugePointer',
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shape: {
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angle: 0,
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width: 10,
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r: 10,
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x: 0,
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y: 0
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},
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buildPath: function (ctx, shape) {
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var mathCos = Math.cos;
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var mathSin = Math.sin;
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var r = shape.r;
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var width = shape.width;
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var angle = shape.angle;
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var x = shape.x - mathCos(angle) * width * (width >= r / 3 ? 1 : 2);
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var y = shape.y - mathSin(angle) * width * (width >= r / 3 ? 1 : 2);
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angle = shape.angle - Math.PI / 2;
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ctx.moveTo(x, y);
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ctx.lineTo(shape.x + mathCos(angle) * width, shape.y + mathSin(angle) * width);
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ctx.lineTo(shape.x + mathCos(shape.angle) * r, shape.y + mathSin(shape.angle) * r);
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ctx.lineTo(shape.x - mathCos(angle) * width, shape.y - mathSin(angle) * width);
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ctx.lineTo(x, y);
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return;
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}
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});
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module.exports = _default;
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