Cartesian2D.js
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/*
* 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 * as zrUtil from 'zrender/src/core/util';
import Cartesian from './Cartesian';
function Cartesian2D(name) {
Cartesian.call(this, name);
}
Cartesian2D.prototype = {
constructor: Cartesian2D,
type: 'cartesian2d',
/**
* @type {Array.<string>}
* @readOnly
*/
dimensions: ['x', 'y'],
/**
* Base axis will be used on stacking.
*
* @return {module:echarts/coord/cartesian/Axis2D}
*/
getBaseAxis: function () {
return this.getAxesByScale('ordinal')[0]
|| this.getAxesByScale('time')[0]
|| this.getAxis('x');
},
/**
* If contain point
* @param {Array.<number>} point
* @return {boolean}
*/
containPoint: function (point) {
var axisX = this.getAxis('x');
var axisY = this.getAxis('y');
return axisX.contain(axisX.toLocalCoord(point[0]))
&& axisY.contain(axisY.toLocalCoord(point[1]));
},
/**
* If contain data
* @param {Array.<number>} data
* @return {boolean}
*/
containData: function (data) {
return this.getAxis('x').containData(data[0])
&& this.getAxis('y').containData(data[1]);
},
/**
* @param {Array.<number>} data
* @param {Array.<number>} out
* @return {Array.<number>}
*/
dataToPoint: function (data, reserved, out) {
var xAxis = this.getAxis('x');
var yAxis = this.getAxis('y');
out = out || [];
out[0] = xAxis.toGlobalCoord(xAxis.dataToCoord(data[0]));
out[1] = yAxis.toGlobalCoord(yAxis.dataToCoord(data[1]));
return out;
},
/**
* @param {Array.<number>} data
* @param {Array.<number>} out
* @return {Array.<number>}
*/
clampData: function (data, out) {
var xScale = this.getAxis('x').scale;
var yScale = this.getAxis('y').scale;
var xAxisExtent = xScale.getExtent();
var yAxisExtent = yScale.getExtent();
var x = xScale.parse(data[0]);
var y = yScale.parse(data[1]);
out = out || [];
out[0] = Math.min(
Math.max(Math.min(xAxisExtent[0], xAxisExtent[1]), x),
Math.max(xAxisExtent[0], xAxisExtent[1])
);
out[1] = Math.min(
Math.max(Math.min(yAxisExtent[0], yAxisExtent[1]), y),
Math.max(yAxisExtent[0], yAxisExtent[1])
);
return out;
},
/**
* @param {Array.<number>} point
* @param {Array.<number>} out
* @return {Array.<number>}
*/
pointToData: function (point, out) {
var xAxis = this.getAxis('x');
var yAxis = this.getAxis('y');
out = out || [];
out[0] = xAxis.coordToData(xAxis.toLocalCoord(point[0]));
out[1] = yAxis.coordToData(yAxis.toLocalCoord(point[1]));
return out;
},
/**
* Get other axis
* @param {module:echarts/coord/cartesian/Axis2D} axis
*/
getOtherAxis: function (axis) {
return this.getAxis(axis.dim === 'x' ? 'y' : 'x');
}
};
zrUtil.inherits(Cartesian2D, Cartesian);
export default Cartesian2D;