File: /var/www/quadcode/frontend/node_modules/highcharts/modules/series-label.src.js
/**
* @license Highcharts JS v10.3.3 (2023-01-20)
*
* (c) 2009-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*/
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/modules/series-label', ['highcharts'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
'use strict';
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
if (typeof CustomEvent === 'function') {
window.dispatchEvent(
new CustomEvent(
'HighchartsModuleLoaded',
{ detail: { path: path, module: obj[path] }
})
);
}
}
}
_registerModule(_modules, 'Extensions/SeriesLabel/SeriesLabelDefaults.js', [], function () {
/* *
*
* (c) 2009-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Constants
*
* */
/**
* Series labels are placed as close to the series as possible in a
* natural way, seeking to avoid other series. The goal of this
* feature is to make the chart more easily readable, like if a
* human designer placed the labels in the optimal position.
*
* The series labels currently work with series types having a
* `graph` or an `area`.
*
* @sample highcharts/series-label/line-chart
* Line chart
* @sample highcharts/demo/streamgraph
* Stream graph
* @sample highcharts/series-label/stock-chart
* Stock chart
*
* @declare Highcharts.SeriesLabelOptionsObject
* @since 6.0.0
* @product highcharts highstock gantt
* @requires modules/series-label
* @optionparent plotOptions.series.label
*/
var SeriesLabelDefaults = {
/**
* Enable the series label per series.
*/
enabled: true,
/**
* Allow labels to be placed distant to the graph if necessary,
* and draw a connector line to the graph. Setting this option
* to true may decrease the performance significantly,
since the
* algorithm with systematically search for open spaces in the
* whole plot area. Visually,
it may also result in a more
* cluttered chart,
though more of the series will be labeled.
*/
connectorAllowed: false,
/**
* If the label is closer than this to a neighbour graph,
draw a
* connector.
*/
connectorNeighbourDistance: 24,
/**
* A format string for the label,
with support for a subset of
* HTML. Variables are enclosed by curly brackets. Available
* variables are `name`,
`options.xxx`,
`color` and other
* members from the `series` object. Use this option also to set
* a static text for the label.
*
* @type string
* @since 8.1.0
*/
format: void 0,
/**
* Callback function to format each of the series' labels. The
* `this` keyword refers to the series object. By default the
* `formatter` is undefined and the `series.name` is rendered.
*
* @type {Highcharts.FormatterCallbackFunction<Series>}
* @since 8.1.0
*/
formatter: void 0,
/**
* For area-like series,
allow the font size to vary so that
* small areas get a smaller font size. The default applies this
* effect to area-like series but not line-like series.
*
* @type {number|null}
*/
minFontSize: null,
/**
* For area-like series,
allow the font size to vary so that
* small areas get a smaller font size. The default applies this
* effect to area-like series but not line-like series.
*
* @type {number|null}
*/
maxFontSize: null,
/**
* Draw the label on the area of an area series. By default it
* is drawn on the area. Set it to `false` to draw it next to
* the graph instead.
*
* @type {boolean|null}
*/
onArea: null,
/**
* Styles for the series label. The color defaults to the series
* color,
or a contrast color if `onArea`.
*
* @type {Highcharts.CSSObject}
*/
style: {
/** @internal */
fontWeight: 'bold'
},
/**
* Whether to use HTML to render the series label.
*/
useHTML: false,
/**
* An array of boxes to avoid when laying out the labels. Each
* item has a `left`,
`right`,
`top` and `bottom` property.
*
* @type {Array<Highcharts.LabelIntersectBoxObject>}
*/
boxesToAvoid: []
};
/* *
*
* Default Export
*
* */
return SeriesLabelDefaults;
});
_registerModule(_modules, 'Extensions/SeriesLabel/SeriesLabelUtilities.js', [], function () {
/* *
*
* (c) 2009-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Functions
*
* */
/**
* Counter-clockwise, part of the fast line intersection logic.
*
* @private
* @function ccw
*/
function ccw(x1, y1, x2, y2, x3, y3) {
var cw = ((y3 - y1) * (x2 - x1)) - ((y2 - y1) * (x3 - x1));
return cw > 0 ? true : !(cw < 0);
}
/**
* Detect if two lines intersect.
*
* @private
* @function intersectLine
*/
function intersectLine(x1, y1, x2, y2, x3, y3, x4, y4) {
return ccw(x1, y1, x3, y3, x4, y4) !== ccw(x2, y2, x3, y3, x4, y4) &&
ccw(x1, y1, x2, y2, x3, y3) !== ccw(x1, y1, x2, y2, x4, y4);
}
/**
* Detect if a box intersects with a line.
*
* @private
* @function boxIntersectLine
*/
function boxIntersectLine(x, y, w, h, x1, y1, x2, y2) {
return (intersectLine(x, y, x + w, y, x1, y1, x2, y2) || // top of label
intersectLine(x + w, y, x + w, y + h, x1, y1, x2, y2) || // right
intersectLine(x, y + h, x + w, y + h, x1, y1, x2, y2) || // bottom
intersectLine(x, y, x, y + h, x1, y1, x2, y2) // left of label
);
}
/**
* @private
*/
function intersectRect(r1, r2) {
return !(r2.left > r1.right ||
r2.right < r1.left ||
r2.top > r1.bottom ||
r2.bottom < r1.top);
}
/* *
*
* Default Export
*
* */
var SeriesLabelUtilities = {
boxIntersectLine: boxIntersectLine,
intersectRect: intersectRect
};
return SeriesLabelUtilities;
});
_registerModule(_modules, 'Extensions/SeriesLabel/SeriesLabel.js', [_modules['Core/Animation/AnimationUtilities.js'], _modules['Core/Chart/Chart.js'], _modules['Core/FormatUtilities.js'], _modules['Core/Defaults.js'], _modules['Extensions/SeriesLabel/SeriesLabelDefaults.js'], _modules['Extensions/SeriesLabel/SeriesLabelUtilities.js'], _modules['Core/Utilities.js']], function (A, Chart, FU, D, SeriesLabelDefaults, SLU, U) {
/* *
*
* (c) 2009-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/*
* Highcharts module to place labels next to a series in a natural position.
*
* TODO:
* - add column support (box collision detection, boxesToAvoid logic)
* - add more options (connector, format, formatter)
*
* https://jsfiddle.net/highcharts/L2u9rpwr/
* https://jsfiddle.net/highcharts/y5A37/
* https://jsfiddle.net/highcharts/264Nm/
* https://jsfiddle.net/highcharts/y5A37/
*/
var __spreadArray = (this && this.__spreadArray) || function (to,
from,
pack) {
if (pack || arguments.length === 2) for (var i = 0,
l = from.length,
ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0,
i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
var animObject = A.animObject;
var format = FU.format;
var setOptions = D.setOptions;
var boxIntersectLine = SLU.boxIntersectLine,
intersectRect = SLU.intersectRect;
var addEvent = U.addEvent,
extend = U.extend,
fireEvent = U.fireEvent,
isNumber = U.isNumber,
pick = U.pick,
syncTimeout = U.syncTimeout;
/* *
*
* Constants
*
* */
var composedClasses = [];
var labelDistance = 3;
/* *
*
* Functions
*
* */
/**
* Check whether a proposed label position is clear of other elements.
* @private
*/
function checkClearPoint(series, x, y, bBox, checkDistance) {
var chart = series.chart,
seriesLabelOptions = series.options.label || {},
onArea = pick(seriesLabelOptions.onArea, !!series.area),
findDistanceToOthers = (onArea || seriesLabelOptions.connectorAllowed),
leastDistance = 16,
boxesToAvoid = chart.boxesToAvoid;
var distToOthersSquared = Number.MAX_VALUE, // distance to other graphs
distToPointSquared = Number.MAX_VALUE,
dist,
connectorPoint,
withinRange,
xDist,
yDist,
i,
j;
/**
* Get the weight in order to determine the ideal position. Larger distance
* to other series gives more weight. Smaller distance to the actual point
* (connector points only) gives more weight.
* @private
*/
function getWeight(distToOthersSquared, distToPointSquared) {
return distToOthersSquared - distToPointSquared;
}
// First check for collision with existing labels
for (i = 0; boxesToAvoid && i < boxesToAvoid.length; i += 1) {
if (intersectRect(boxesToAvoid[i], {
left: x,
right: x + bBox.width,
top: y,
bottom: y + bBox.height
})) {
return false;
}
}
// For each position, check if the lines around the label intersect with any
// of the graphs.
for (i = 0; i < chart.series.length; i += 1) {
var serie = chart.series[i],
points = serie.interpolatedPoints && __spreadArray([],
serie.interpolatedPoints,
true);
if (serie.visible && points) {
// Avoid the sides of the plot area
var stepY = chart.plotHeight / 10;
for (var chartY = chart.plotTop; chartY <= chart.plotTop + chart.plotHeight; chartY += stepY) {
points.unshift({
chartX: chart.plotLeft,
chartY: chartY
});
points.push({
chartX: chart.plotLeft + chart.plotWidth,
chartY: chartY
});
}
for (j = 1; j < points.length; j += 1) {
if (
// To avoid processing, only check intersection if the X
// values are close to the box.
points[j].chartX >= x - leastDistance &&
points[j - 1].chartX <= x + bBox.width +
leastDistance
/* @todo condition above is not the same as below
(
points[j].chartX >=
(x - leastDistance)
) && (
points[j - 1].chartX <=
(x + bBox.width + leastDistance)
) */
) {
// If any of the box sides intersect with the line, return.
if (boxIntersectLine(x, y, bBox.width, bBox.height, points[j - 1].chartX, points[j - 1].chartY, points[j].chartX, points[j].chartY)) {
return false;
}
// But if it is too far away (a padded box doesn't
// intersect), also return.
if (series === serie && !withinRange && checkDistance) {
withinRange = boxIntersectLine(x - leastDistance, y - leastDistance, bBox.width + 2 * leastDistance, bBox.height + 2 * leastDistance, points[j - 1].chartX, points[j - 1].chartY, points[j].chartX, points[j].chartY);
}
}
// Find the squared distance from the center of the label. On
// area series, avoid its own graph.
if ((findDistanceToOthers || withinRange) &&
(series !== serie || onArea)) {
xDist = x + bBox.width / 2 - points[j].chartX;
yDist = y + bBox.height / 2 - points[j].chartY;
distToOthersSquared = Math.min(distToOthersSquared, xDist * xDist + yDist * yDist);
}
}
// Do we need a connector?
if (!onArea &&
findDistanceToOthers &&
series === serie &&
((checkDistance && !withinRange) ||
distToOthersSquared < Math.pow(seriesLabelOptions.connectorNeighbourDistance || 1, 2))) {
for (j = 1; j < points.length; j += 1) {
dist = Math.min((Math.pow(x + bBox.width / 2 - points[j].chartX, 2) +
Math.pow(y + bBox.height / 2 - points[j].chartY, 2)), (Math.pow(x - points[j].chartX, 2) +
Math.pow(y - points[j].chartY, 2)), (Math.pow(x + bBox.width - points[j].chartX, 2) +
Math.pow(y - points[j].chartY, 2)), (Math.pow(x + bBox.width - points[j].chartX, 2) +
Math.pow(y + bBox.height - points[j].chartY, 2)), (Math.pow(x - points[j].chartX, 2) +
Math.pow(y + bBox.height - points[j].chartY, 2)));
if (dist < distToPointSquared) {
distToPointSquared = dist;
connectorPoint = points[j];
}
}
withinRange = true;
}
}
}
return !checkDistance || withinRange ? {
x: x,
y: y,
weight: getWeight(distToOthersSquared, connectorPoint ? distToPointSquared : 0),
connectorPoint: connectorPoint
} : false;
}
/**
* @private
*/
function compose(ChartClass, SVGRendererClass) {
if (composedClasses.indexOf(ChartClass) === -1) {
composedClasses.push(ChartClass);
// Leave both events, we handle animation differently (#9815)
addEvent(Chart, 'load', onChartRedraw);
addEvent(Chart, 'redraw', onChartRedraw);
}
if (composedClasses.indexOf(SVGRendererClass) === -1) {
composedClasses.push(SVGRendererClass);
SVGRendererClass.prototype.symbols.connector = symbolConnector;
}
if (composedClasses.indexOf(setOptions) === -1) {
composedClasses.push(setOptions);
setOptions({ plotOptions: { series: { label: SeriesLabelDefaults } } });
}
}
/**
* The main initialize method that runs on chart level after initialization and
* redraw. It runs in a timeout to prevent locking, and loops over all series,
* taking all series and labels into account when placing the labels.
*
* @private
* @function Highcharts.Chart#drawSeriesLabels
*/
function drawSeriesLabels(chart) {
// console.time('drawSeriesLabels');
chart.boxesToAvoid = [];
var labelSeries = chart.labelSeries || [],
boxesToAvoid = chart.boxesToAvoid;
// Avoid data labels
chart.series.forEach(function (s) {
return (s.points || []).forEach(function (p) {
return (p.dataLabels || []).forEach(function (label) {
var _a = label.getBBox(),
width = _a.width,
height = _a.height,
left = label.translateX + (s.xAxis ? s.xAxis.pos : s.chart.plotLeft),
top = label.translateY + (s.yAxis ? s.yAxis.pos : s.chart.plotTop);
boxesToAvoid.push({
left: left,
top: top,
right: left + width,
bottom: top + height
});
});
});
});
// Build the interpolated points
labelSeries.forEach(function (series) {
var seriesLabelOptions = series.options.label || {};
series.interpolatedPoints = getPointsOnGraph(series);
boxesToAvoid.push.apply(boxesToAvoid, (seriesLabelOptions.boxesToAvoid || []));
});
chart.series.forEach(function (series) {
var labelOptions = series.options.label;
if (!labelOptions || (!series.xAxis && !series.yAxis)) {
return;
}
var colorClass = ('highcharts-color-' + pick(series.colorIndex, 'none')), isNew = !series.labelBySeries, minFontSize = labelOptions.minFontSize, maxFontSize = labelOptions.maxFontSize, inverted = chart.inverted, paneLeft = (inverted ? series.yAxis.pos : series.xAxis.pos), paneTop = (inverted ? series.xAxis.pos : series.yAxis.pos), paneWidth = chart.inverted ? series.yAxis.len : series.xAxis.len, paneHeight = chart.inverted ? series.xAxis.len : series.yAxis.len, points = series.interpolatedPoints, onArea = pick(labelOptions.onArea, !!series.area), results = [], xData = series.xData || [];
var bBox,
x,
y,
clearPoint,
i,
best,
label = series.labelBySeries,
dataExtremes,
areaMin,
areaMax;
// Stay within the area data bounds (#10038)
if (onArea && !inverted) {
dataExtremes = [
series.xAxis.toPixels(xData[0]),
series.xAxis.toPixels(xData[xData.length - 1])
];
areaMin = Math.min.apply(Math, dataExtremes);
areaMax = Math.max.apply(Math, dataExtremes);
}
/**
* @private
*/
function insidePane(x, y, bBox) {
var leftBound = Math.max(paneLeft,
pick(areaMin, -Infinity)),
rightBound = Math.min(paneLeft + paneWidth,
pick(areaMax,
Infinity));
return (x > leftBound &&
x <= rightBound - bBox.width &&
y >= paneTop &&
y <= paneTop + paneHeight - bBox.height);
}
/**
* @private
*/
function destroyLabel() {
if (label) {
series.labelBySeries = label.destroy();
}
}
if (series.visible && !series.boosted && points) {
if (!label) {
var labelText = series.name;
if (typeof labelOptions.format === 'string') {
labelText = format(labelOptions.format, series, chart);
}
else if (labelOptions.formatter) {
labelText = labelOptions.formatter.call(series);
}
series.labelBySeries = label = chart.renderer
.label(labelText, 0, 0, 'connector', 0, 0, labelOptions.useHTML)
.addClass('highcharts-series-label ' +
'highcharts-series-label-' + series.index + ' ' +
(series.options.className || '') + ' ' +
colorClass);
if (!chart.renderer.styledMode) {
var color = typeof series.color === 'string' ?
series.color : "#666666" /* Palette.neutralColor60 */;
label.css(extend({
color: onArea ?
chart.renderer.getContrast(color) :
color
}, labelOptions.style || {}));
label.attr({
opacity: chart.renderer.forExport ? 1 : 0,
stroke: series.color,
'stroke-width': 1
});
}
// Adapt label sizes to the sum of the data
if (minFontSize && maxFontSize) {
label.css({
fontSize: labelFontSize(series, minFontSize, maxFontSize)
});
}
label
.attr({
padding: 0,
zIndex: 3
})
.add();
}
bBox = label.getBBox();
bBox.width = Math.round(bBox.width);
// Ideal positions are centered above or below a point on right side
// of chart
for (i = points.length - 1; i > 0; i -= 1) {
if (onArea) {
// Centered
x = points[i].chartX - bBox.width / 2;
y = (points[i].chartCenterY || 0) - bBox.height / 2;
if (insidePane(x, y, bBox)) {
best = checkClearPoint(series, x, y, bBox);
}
if (best) {
results.push(best);
}
}
else {
// Right - up
x = points[i].chartX + labelDistance;
y = points[i].chartY - bBox.height - labelDistance;
if (insidePane(x, y, bBox)) {
best = checkClearPoint(series, x, y, bBox, true);
}
if (best) {
results.push(best);
}
// Right - down
x = points[i].chartX + labelDistance;
y = points[i].chartY + labelDistance;
if (insidePane(x, y, bBox)) {
best = checkClearPoint(series, x, y, bBox, true);
}
if (best) {
results.push(best);
}
// Left - down
x = points[i].chartX - bBox.width - labelDistance;
y = points[i].chartY + labelDistance;
if (insidePane(x, y, bBox)) {
best = checkClearPoint(series, x, y, bBox, true);
}
if (best) {
results.push(best);
}
// Left - up
x = points[i].chartX - bBox.width - labelDistance;
y = points[i].chartY - bBox.height - labelDistance;
if (insidePane(x, y, bBox)) {
best = checkClearPoint(series, x, y, bBox, true);
}
if (best) {
results.push(best);
}
}
}
// Brute force, try all positions on the chart in a 16x16 grid
if (labelOptions.connectorAllowed && !results.length && !onArea) {
for (x = paneLeft + paneWidth - bBox.width; x >= paneLeft; x -= 16) {
for (y = paneTop; y < paneTop + paneHeight - bBox.height; y += 16) {
clearPoint = checkClearPoint(series, x, y, bBox, true);
if (clearPoint) {
results.push(clearPoint);
}
}
}
}
if (results.length) {
results.sort(function (a, b) { return b.weight - a.weight; });
best = results[0];
(chart.boxesToAvoid || []).push({
left: best.x,
right: best.x + bBox.width,
top: best.y,
bottom: best.y + bBox.height
});
// Move it if needed
var dist = Math.sqrt(Math.pow(Math.abs(best.x - (label.x || 0)), 2) +
Math.pow(Math.abs(best.y - (label.y || 0)), 2));
if (dist && series.labelBySeries) {
// Move fast and fade in - pure animation movement is
// distractive...
var attr = {
opacity: chart.renderer.forExport ? 1 : 0,
x: best.x,
y: best.y
},
anim = {
opacity: 1
};
// ... unless we're just moving a short distance
if (dist <= 10) {
anim = {
x: attr.x,
y: attr.y
};
attr = {};
}
// Default initial animation to a fraction of the series
// animation (#9396)
var animationOptions = void 0;
if (isNew) {
animationOptions = animObject(series.options.animation);
animationOptions.duration *= 0.2;
}
series.labelBySeries
.attr(extend(attr, {
anchorX: best.connectorPoint &&
(best.connectorPoint.plotX || 0) + paneLeft,
anchorY: best.connectorPoint &&
(best.connectorPoint.plotY || 0) + paneTop
}))
.animate(anim, animationOptions);
// Record closest point to stick to for sync redraw
series.options.kdNow = true;
series.buildKDTree();
var closest = series.searchPoint({
chartX: best.x,
chartY: best.y
},
true);
if (closest) {
label.closest = [
closest,
best.x - (closest.plotX || 0),
best.y - (closest.plotY || 0)
];
}
}
}
else {
destroyLabel();
}
}
else {
destroyLabel();
}
});
fireEvent(chart, 'afterDrawSeriesLabels');
// console.timeEnd('drawSeriesLabels');
}
/**
* Points to avoid. In addition to actual data points, the label should avoid
* interpolated positions.
*
* @private
* @function Highcharts.Series#getPointsOnGraph
*/
function getPointsOnGraph(series) {
if (!series.xAxis && !series.yAxis) {
return;
}
var distance = 16,
points = series.points,
interpolated = [],
graph = series.graph || series.area,
node = graph && graph.element,
inverted = series.chart.inverted,
xAxis = series.xAxis,
yAxis = series.yAxis,
paneLeft = inverted ? yAxis.pos : xAxis.pos,
paneTop = inverted ? xAxis.pos : yAxis.pos,
seriesLabelOptions = series.options.label || {},
onArea = pick(seriesLabelOptions.onArea, !!series.area),
translatedThreshold = yAxis.getThreshold(series.options.threshold),
grid = {};
var i,
deltaX,
deltaY,
delta,
len,
n,
j;
/**
* Push the point to the interpolated points, but only if that position in
* the grid has not been occupied. As a performance optimization, we divide
* the plot area into a grid and only add one point per series (#9815).
* @private
*/
function pushDiscrete(point) {
var cellSize = 8, key = Math.round((point.plotX || 0) / cellSize) + ',' +
Math.round((point.plotY || 0) / cellSize);
if (!grid[key]) {
grid[key] = 1;
interpolated.push(point);
}
}
// For splines, get the point at length (possible caveat: peaks are not
// correctly detected)
if (series.getPointSpline &&
node &&
node.getPointAtLength &&
!onArea &&
// Not performing well on complex series, node.getPointAtLength is too
// heavy (#9815)
points.length < (series.chart.plotSizeX || 0) / distance) {
// If it is animating towards a path definition, use that briefly, and
// reset
var d = graph.toD && graph.attr('d');
if (graph.toD) {
graph.attr({ d: graph.toD });
}
len = node.getTotalLength();
for (i = 0; i < len; i += distance) {
var domPoint = node.getPointAtLength(i);
pushDiscrete({
chartX: paneLeft + domPoint.x,
chartY: paneTop + domPoint.y,
plotX: domPoint.x,
plotY: domPoint.y
});
}
if (d) {
graph.attr({ d: d });
}
// Last point
var point = points[points.length - 1];
pushDiscrete({
chartX: paneLeft + (point.plotX || 0),
chartY: paneTop + (point.plotY || 0)
});
// Interpolate
}
else {
len = points.length;
var last = void 0;
for (i = 0; i < len; i += 1) {
var point = points[i],
plotX = point.plotX,
plotY = point.plotY;
if (isNumber(plotX) && isNumber(plotY)) {
var ctlPoint = {
plotX: plotX,
plotY: plotY,
// Absolute coordinates so we can compare different panes
chartX: paneLeft + plotX,
chartY: paneTop + plotY
};
if (onArea) {
// Vertically centered inside area
ctlPoint.chartCenterY = paneTop + (plotY + pick(point.yBottom, translatedThreshold)) / 2;
}
// Add interpolated points
if (last) {
deltaX = Math.abs(ctlPoint.chartX - last.chartX);
deltaY = Math.abs(ctlPoint.chartY - last.chartY);
delta = Math.max(deltaX, deltaY);
if (delta > distance) {
n = Math.ceil(delta / distance);
for (j = 1; j < n; j += 1) {
pushDiscrete({
chartX: last.chartX +
(ctlPoint.chartX - last.chartX) * (j / n),
chartY: last.chartY +
(ctlPoint.chartY - last.chartY) * (j / n),
chartCenterY: (last.chartCenterY || 0) +
((ctlPoint.chartCenterY || 0) -
(last.chartCenterY || 0)) * (j / n),
plotX: (last.plotX || 0) +
(plotX - (last.plotX || 0)) * (j / n),
plotY: (last.plotY || 0) +
(plotY - (last.plotY || 0)) * (j / n)
});
}
}
}
// Add the real point in order to find positive and negative
// peaks
pushDiscrete(ctlPoint);
last = ctlPoint;
}
}
}
// Get the bounding box so we can do a quick check first if the bounding
// boxes overlap.
/*
interpolated.bBox = node.getBBox();
interpolated.bBox.x += paneLeft;
interpolated.bBox.y += paneTop;
*/
return interpolated;
}
/**
* Overridable function to return series-specific font sizes for the labels. By
* default it returns bigger font sizes for series with the greater sum of y
* values.
* @private
*/
function labelFontSize(series, minFontSize, maxFontSize) {
return minFontSize + (((series.sum || 0) / (series.chart.labelSeriesMaxSum || 0)) *
(maxFontSize - minFontSize)) + 'px';
}
/**
* Prepare drawing series labels.
* @private
*/
function onChartRedraw(e) {
if (this.renderer) {
var chart_1 = this;
var delay_1 = animObject(chart_1.renderer.globalAnimation).duration;
chart_1.labelSeries = [];
chart_1.labelSeriesMaxSum = 0;
if (chart_1.seriesLabelTimer) {
U.clearTimeout(chart_1.seriesLabelTimer);
}
// Which series should have labels
chart_1.series.forEach(function (series) {
var seriesLabelOptions = series.options.label || {},
label = series.labelBySeries,
closest = label && label.closest;
if (seriesLabelOptions.enabled &&
series.visible &&
(series.graph || series.area) &&
!series.boosted &&
chart_1.labelSeries) {
chart_1.labelSeries.push(series);
if (seriesLabelOptions.minFontSize &&
seriesLabelOptions.maxFontSize &&
series.yData) {
series.sum = series.yData.reduce(function (pv, cv) { return (pv || 0) + (cv || 0); }, 0);
chart_1.labelSeriesMaxSum = Math.max(chart_1.labelSeriesMaxSum || 0, series.sum || 0);
}
// The labels are processing heavy, wait until the animation is
// done
if (e.type === 'load') {
delay_1 = Math.max(delay_1, animObject(series.options.animation).duration);
}
// Keep the position updated to the axis while redrawing
if (closest) {
if (typeof closest[0].plotX !== 'undefined') {
label.animate({
x: closest[0].plotX + closest[1],
y: closest[0].plotY + closest[2]
});
}
else {
label.attr({ opacity: 0 });
}
}
}
});
chart_1.seriesLabelTimer = syncTimeout(function () {
if (chart_1.series && chart_1.labelSeries) { // #7931, chart destroyed
drawSeriesLabels(chart_1);
}
}, chart_1.renderer.forExport || !delay_1 ? 0 : delay_1);
}
}
/**
* General symbol definition for labels with connector.
* @private
*/
function symbolConnector(x, y, w, h, options) {
var anchorX = options && options.anchorX,
anchorY = options && options.anchorY;
var path,
yOffset,
lateral = w / 2;
if (isNumber(anchorX) && isNumber(anchorY)) {
path = [['M', anchorX, anchorY]];
// Prefer 45 deg connectors
yOffset = y - anchorY;
if (yOffset < 0) {
yOffset = -h - yOffset;
}
if (yOffset < w) {
lateral = anchorX < x + (w / 2) ? yOffset : w - yOffset;
}
// Anchor below label
if (anchorY > y + h) {
path.push(['L', x + lateral, y + h]);
// Anchor above label
}
else if (anchorY < y) {
path.push(['L', x + lateral, y]);
// Anchor left of label
}
else if (anchorX < x) {
path.push(['L', x, y + h / 2]);
// Anchor right of label
}
else if (anchorX > x + w) {
path.push(['L', x + w, y + h / 2]);
}
}
return path || [];
}
/* *
*
* Default Export
*
* */
var SeriesLabel = {
compose: compose
};
/* *
*
* API Declarations
*
* */
/**
* Containing the position of a box that should be avoided by labels.
*
* @interface Highcharts.LabelIntersectBoxObject
*/ /**
* @name Highcharts.LabelIntersectBoxObject#bottom
* @type {number}
*/ /**
* @name Highcharts.LabelIntersectBoxObject#left
* @type {number}
*/ /**
* @name Highcharts.LabelIntersectBoxObject#right
* @type {number}
*/ /**
* @name Highcharts.LabelIntersectBoxObject#top
* @type {number}
*/
(''); // keeps doclets above in JS file
return SeriesLabel;
});
_registerModule(_modules, 'masters/modules/series-label.src.js', [_modules['Core/Globals.js'], _modules['Extensions/SeriesLabel/SeriesLabel.js']], function (Highcharts, SeriesLabel) {
var G = Highcharts;
SeriesLabel.compose(G.Chart, G.SVGRenderer);
});
}));