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parttimejob/node_modules/echarts/lib/coord/cartesian/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.
*/
/**
* 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 BoundingRect from 'zrender/lib/core/BoundingRect.js';
import Cartesian from './Cartesian.js';
import { invert } from 'zrender/lib/core/matrix.js';
import { applyTransform } from 'zrender/lib/core/vector.js';
export var cartesian2DDimensions = ['x', 'y'];
function canCalculateAffineTransform(scale) {
return scale.type === 'interval' || scale.type === 'time';
}
var Cartesian2D = /** @class */function (_super) {
__extends(Cartesian2D, _super);
function Cartesian2D() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.type = 'cartesian2d';
_this.dimensions = cartesian2DDimensions;
return _this;
}
/**
* Calculate an affine transform matrix if two axes are time or value.
* It's mainly for accelartion on the large time series data.
*/
Cartesian2D.prototype.calcAffineTransform = function () {
this._transform = this._invTransform = null;
var xAxisScale = this.getAxis('x').scale;
var yAxisScale = this.getAxis('y').scale;
if (!canCalculateAffineTransform(xAxisScale) || !canCalculateAffineTransform(yAxisScale)) {
return;
}
var xScaleExtent = xAxisScale.getExtent();
var yScaleExtent = yAxisScale.getExtent();
var start = this.dataToPoint([xScaleExtent[0], yScaleExtent[0]]);
var end = this.dataToPoint([xScaleExtent[1], yScaleExtent[1]]);
var xScaleSpan = xScaleExtent[1] - xScaleExtent[0];
var yScaleSpan = yScaleExtent[1] - yScaleExtent[0];
if (!xScaleSpan || !yScaleSpan) {
return;
}
// Accelerate data to point calculation on the special large time series data.
var scaleX = (end[0] - start[0]) / xScaleSpan;
var scaleY = (end[1] - start[1]) / yScaleSpan;
var translateX = start[0] - xScaleExtent[0] * scaleX;
var translateY = start[1] - yScaleExtent[0] * scaleY;
var m = this._transform = [scaleX, 0, 0, scaleY, translateX, translateY];
this._invTransform = invert([], m);
};
/**
* Base axis will be used on stacking.
*/
Cartesian2D.prototype.getBaseAxis = function () {
return this.getAxesByScale('ordinal')[0] || this.getAxesByScale('time')[0] || this.getAxis('x');
};
Cartesian2D.prototype.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]));
};
Cartesian2D.prototype.containData = function (data) {
return this.getAxis('x').containData(data[0]) && this.getAxis('y').containData(data[1]);
};
Cartesian2D.prototype.containZone = function (data1, data2) {
var zoneDiag1 = this.dataToPoint(data1);
var zoneDiag2 = this.dataToPoint(data2);
var area = this.getArea();
var zone = new BoundingRect(zoneDiag1[0], zoneDiag1[1], zoneDiag2[0] - zoneDiag1[0], zoneDiag2[1] - zoneDiag1[1]);
return area.intersect(zone);
};
Cartesian2D.prototype.dataToPoint = function (data, clamp, out) {
out = out || [];
var xVal = data[0];
var yVal = data[1];
// Fast path
if (this._transform
// It's supported that if data is like `[Inifity, 123]`, where only Y pixel calculated.
&& xVal != null && isFinite(xVal) && yVal != null && isFinite(yVal)) {
return applyTransform(out, data, this._transform);
}
var xAxis = this.getAxis('x');
var yAxis = this.getAxis('y');
out[0] = xAxis.toGlobalCoord(xAxis.dataToCoord(xVal, clamp));
out[1] = yAxis.toGlobalCoord(yAxis.dataToCoord(yVal, clamp));
return out;
};
Cartesian2D.prototype.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;
};
Cartesian2D.prototype.pointToData = function (point, clamp) {
var out = [];
if (this._invTransform) {
return applyTransform(out, point, this._invTransform);
}
var xAxis = this.getAxis('x');
var yAxis = this.getAxis('y');
out[0] = xAxis.coordToData(xAxis.toLocalCoord(point[0]), clamp);
out[1] = yAxis.coordToData(yAxis.toLocalCoord(point[1]), clamp);
return out;
};
Cartesian2D.prototype.getOtherAxis = function (axis) {
return this.getAxis(axis.dim === 'x' ? 'y' : 'x');
};
/**
* Get rect area of cartesian.
* Area will have a contain function to determine if a point is in the coordinate system.
*/
Cartesian2D.prototype.getArea = function (tolerance) {
tolerance = tolerance || 0;
var xExtent = this.getAxis('x').getGlobalExtent();
var yExtent = this.getAxis('y').getGlobalExtent();
var x = Math.min(xExtent[0], xExtent[1]) - tolerance;
var y = Math.min(yExtent[0], yExtent[1]) - tolerance;
var width = Math.max(xExtent[0], xExtent[1]) - x + tolerance;
var height = Math.max(yExtent[0], yExtent[1]) - y + tolerance;
return new BoundingRect(x, y, width, height);
};
return Cartesian2D;
}(Cartesian);
;
export default Cartesian2D;