highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highcharts JS v12.1.2 (2024-12-21)
* @module highcharts/modules/boost-canvas
* @requires highcharts
*
* Boost module
*
* (c) 2010-2024 Highsoft AS
* Author: Torstein Honsi
*
* License: www.highcharts.com/license
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(root["_Highcharts"], root["_Highcharts"]["Color"]);
else if(typeof define === 'function' && define.amd)
define("highcharts/modules/boost-canvas", ["highcharts/highcharts"], function (amd1) {return factory(amd1,amd1["Color"]);});
else if(typeof exports === 'object')
exports["highcharts/modules/boost-canvas"] = factory(root["_Highcharts"], root["_Highcharts"]["Color"]);
else
root["Highcharts"] = factory(root["Highcharts"], root["Highcharts"]["Color"]);
})(typeof window === 'undefined' ? this : window, (__WEBPACK_EXTERNAL_MODULE__944__, __WEBPACK_EXTERNAL_MODULE__620__) => {
return /******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ({
/***/ 620:
/***/ ((module) => {
module.exports = __WEBPACK_EXTERNAL_MODULE__620__;
/***/ }),
/***/ 944:
/***/ ((module) => {
module.exports = __WEBPACK_EXTERNAL_MODULE__944__;
/***/ })
/******/ });
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
/******/ var getter = module && module.__esModule ?
/******/ () => (module['default']) :
/******/ () => (module);
/******/ __webpack_require__.d(getter, { a: getter });
/******/ return getter;
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
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var __webpack_exports__ = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"default": () => (/* binding */ boost_canvas_src)
});
// EXTERNAL MODULE: external {"amd":["highcharts/highcharts"],"commonjs":["highcharts"],"commonjs2":["highcharts"],"root":["Highcharts"]}
var highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_ = __webpack_require__(944);
var highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default = /*#__PURE__*/__webpack_require__.n(highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_);
;// ./code/es-modules/Extensions/Boost/Boostables.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Constants
*
* */
// These are the series we allow boosting for.
const Boostables = [
'area',
'areaspline',
'arearange',
'column',
'columnrange',
'bar',
'line',
'scatter',
'heatmap',
'bubble',
'treemap'
];
/* *
*
* Default Export
*
* */
/* harmony default export */ const Boost_Boostables = (Boostables);
;// ./code/es-modules/Extensions/Boost/BoostableMap.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Imports
*
* */
/* *
*
* Constants
*
* */
// These are the series we allow boosting for.
const BoostableMap = {};
Boost_Boostables.forEach((item) => {
BoostableMap[item] = true;
});
/* *
*
* Default Export
*
* */
/* harmony default export */ const Boost_BoostableMap = (BoostableMap);
;// ./code/es-modules/Extensions/Boost/BoostChart.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { composed } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
const { addEvent, pick, pushUnique } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Functions
*
* */
/**
* @private
*/
function compose(ChartClass, wglMode) {
if (wglMode && pushUnique(composed, 'Boost.Chart')) {
ChartClass.prototype.callbacks.push(onChartCallback);
}
return ChartClass;
}
/**
* Get the clip rectangle for a target, either a series or the chart.
* For the chart, we need to consider the maximum extent of its Y axes,
* in case of Highcharts Stock panes and navigator.
*
* @private
* @function Highcharts.Chart#getBoostClipRect
*/
function getBoostClipRect(chart, target) {
const navigator = chart.navigator;
let clipBox = {
x: chart.plotLeft,
y: chart.plotTop,
width: chart.plotWidth,
height: chart.plotHeight
};
if (navigator && chart.inverted) { // #17820, #20936
clipBox.width += navigator.top + navigator.height;
if (!navigator.opposite) {
clipBox.x = navigator.left;
}
}
else if (navigator && !chart.inverted) {
clipBox.height = navigator.top + navigator.height - chart.plotTop;
}
// Clipping of individual series (#11906, #19039).
if (target.getClipBox) {
const { xAxis, yAxis } = target;
clipBox = target.getClipBox();
if (chart.inverted) {
const lateral = clipBox.width;
clipBox.width = clipBox.height;
clipBox.height = lateral;
clipBox.x = yAxis.pos;
clipBox.y = xAxis.pos;
}
else {
clipBox.x = xAxis.pos;
clipBox.y = yAxis.pos;
}
}
if (target === chart) {
const verticalAxes = chart.inverted ? chart.xAxis : chart.yAxis; // #14444
if (verticalAxes.length <= 1) {
clipBox.y = Math.min(verticalAxes[0].pos, clipBox.y);
clipBox.height = (verticalAxes[0].pos -
chart.plotTop +
verticalAxes[0].len);
}
}
return clipBox;
}
/**
* Returns true if the chart is in series boost mode.
* @private
* @param {Highcharts.Chart} chart
* Chart to check.
* @return {boolean}
* `true` if the chart is in series boost mode.
*/
function isChartSeriesBoosting(chart) {
const allSeries = chart.series, boost = chart.boost = chart.boost || {}, boostOptions = chart.options.boost || {}, threshold = pick(boostOptions.seriesThreshold, 50);
if (allSeries.length >= threshold) {
return true;
}
if (allSeries.length === 1) {
return false;
}
let allowBoostForce = boostOptions.allowForce;
if (typeof allowBoostForce === 'undefined') {
allowBoostForce = true;
for (const axis of chart.xAxis) {
if (pick(axis.min, -Infinity) > pick(axis.dataMin, -Infinity) ||
pick(axis.max, Infinity) < pick(axis.dataMax, Infinity)) {
allowBoostForce = false;
break;
}
}
}
if (typeof boost.forceChartBoost !== 'undefined') {
if (allowBoostForce) {
return boost.forceChartBoost;
}
boost.forceChartBoost = void 0;
}
// If there are more than five series currently boosting,
// we should boost the whole chart to avoid running out of webgl contexts.
let canBoostCount = 0, needBoostCount = 0, seriesOptions;
for (const series of allSeries) {
seriesOptions = series.options;
// Don't count series with boostThreshold set to 0
// See #8950
// Also don't count if the series is hidden.
// See #9046
if (seriesOptions.boostThreshold === 0 ||
series.visible === false) {
continue;
}
// Don't count heatmap series as they are handled differently.
// In the future we should make the heatmap/treemap path compatible
// with forcing. See #9636.
if (series.type === 'heatmap') {
continue;
}
if (Boost_BoostableMap[series.type]) {
++canBoostCount;
}
if (patientMax(series.getColumn('x', true), seriesOptions.data,
/// series.xData,
series.points) >= (seriesOptions.boostThreshold || Number.MAX_VALUE)) {
++needBoostCount;
}
}
boost.forceChartBoost = allowBoostForce && ((
// Even when the series that need a boost are less than or equal
// to 5, force a chart boost when all series are to be boosted.
// See #18815
canBoostCount === allSeries.length &&
needBoostCount === canBoostCount) ||
needBoostCount > 5);
return boost.forceChartBoost;
}
/**
* Take care of the canvas blitting
* @private
*/
function onChartCallback(chart) {
/**
* Convert chart-level canvas to image.
* @private
*/
function canvasToSVG() {
if (chart.boost &&
chart.boost.wgl &&
isChartSeriesBoosting(chart)) {
chart.boost.wgl.render(chart);
}
}
/**
* Clear chart-level canvas.
* @private
*/
function preRender() {
// Reset force state
chart.boost = chart.boost || {};
chart.boost.forceChartBoost = void 0;
chart.boosted = false;
// Clear the canvas
if (!chart.axes.some((axis) => axis.isPanning)) {
chart.boost.clear?.();
}
if (chart.boost.canvas &&
chart.boost.wgl &&
isChartSeriesBoosting(chart)) {
// Allocate
chart.boost.wgl.allocateBuffer(chart);
}
// See #6518 + #6739
if (chart.boost.markerGroup &&
chart.xAxis &&
chart.xAxis.length > 0 &&
chart.yAxis &&
chart.yAxis.length > 0) {
chart.boost.markerGroup.translate(chart.xAxis[0].pos, chart.yAxis[0].pos);
}
}
addEvent(chart, 'predraw', preRender);
// Use the load event rather than redraw, otherwise user load events will
// fire too early (#18755)
addEvent(chart, 'load', canvasToSVG, { order: -1 });
addEvent(chart, 'redraw', canvasToSVG);
let prevX = -1;
let prevY = -1;
addEvent(chart.pointer, 'afterGetHoverData', (e) => {
const series = e.hoverPoint?.series;
chart.boost = chart.boost || {};
if (chart.boost.markerGroup && series) {
const xAxis = chart.inverted ? series.yAxis : series.xAxis;
const yAxis = chart.inverted ? series.xAxis : series.yAxis;
if ((xAxis && xAxis.pos !== prevX) ||
(yAxis && yAxis.pos !== prevY)) {
// #21176: If the axis is changed, hide teh halo without
// animation to prevent flickering of halos sharing the
// same marker group
chart.series.forEach((s) => {
s.halo?.hide();
});
// #10464: Keep the marker group position in sync with the
// position of the hovered series axes since there is only
// one shared marker group when boosting.
chart.boost.markerGroup.translate(xAxis.pos, yAxis.pos);
prevX = xAxis.pos;
prevY = yAxis.pos;
}
}
});
}
/**
* Tolerant max() function.
*
* @private
* @param {...Array<Array<unknown>>} args
* Max arguments
* @return {number}
* Max value
*/
function patientMax(...args) {
let r = -Number.MAX_VALUE;
args.forEach((t) => {
if (typeof t !== 'undefined' &&
t !== null &&
typeof t.length !== 'undefined') {
if (t.length > 0) {
r = t.length;
return true;
}
}
});
return r;
}
/* *
*
* Default Export
*
* */
const BoostChart = {
compose,
getBoostClipRect,
isChartSeriesBoosting
};
/* harmony default export */ const Boost_BoostChart = (BoostChart);
// EXTERNAL MODULE: external {"amd":["highcharts/highcharts","Color"],"commonjs":["highcharts","Color"],"commonjs2":["highcharts","Color"],"root":["Highcharts","Color"]}
var highcharts_Color_commonjs_highcharts_Color_commonjs2_highcharts_Color_root_Highcharts_Color_ = __webpack_require__(620);
var highcharts_Color_commonjs_highcharts_Color_commonjs2_highcharts_Color_root_Highcharts_Color_default = /*#__PURE__*/__webpack_require__.n(highcharts_Color_commonjs_highcharts_Color_commonjs2_highcharts_Color_root_Highcharts_Color_);
;// ./code/es-modules/Extensions/Boost/WGLDrawMode.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Constants
*
* */
const WGLDrawMode = {
'area': 'LINES',
'arearange': 'LINES',
'areaspline': 'LINES',
'column': 'LINES',
'columnrange': 'LINES',
'bar': 'LINES',
'line': 'LINE_STRIP',
'scatter': 'POINTS',
'heatmap': 'TRIANGLES',
'treemap': 'TRIANGLES',
'bubble': 'POINTS'
};
/* *
*
* Default Export
*
* */
/* harmony default export */ const Boost_WGLDrawMode = (WGLDrawMode);
;// ./code/es-modules/Extensions/Boost/WGLShader.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { clamp, error, pick: WGLShader_pick } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Constants
*
* */
const fragmentShader = [
/* eslint-disable max-len, @typescript-eslint/indent */
'precision highp float;',
'uniform vec4 fillColor;',
'varying highp vec2 position;',
'varying highp vec4 vColor;',
'uniform sampler2D uSampler;',
'uniform bool isCircle;',
'uniform bool hasColor;',
// 'vec4 toColor(float value, vec2 point) {',
// 'return vec4(0.0, 0.0, 0.0, 0.0);',
// '}',
'void main(void) {',
'vec4 col = fillColor;',
'vec4 tcol = texture2D(uSampler, gl_PointCoord.st);',
'if (hasColor) {',
'col = vColor;',
'}',
'if (isCircle) {',
'col *= tcol;',
'if (tcol.r < 0.0) {',
'discard;',
'} else {',
'gl_FragColor = col;',
'}',
'} else {',
'gl_FragColor = col;',
'}',
'}'
/* eslint-enable max-len, @typescript-eslint/indent */
].join('\n');
const vertexShader = [
/* eslint-disable max-len, @typescript-eslint/indent */
'#version 100',
'#define LN10 2.302585092994046',
'precision highp float;',
'attribute vec4 aVertexPosition;',
'attribute vec4 aColor;',
'varying highp vec2 position;',
'varying highp vec4 vColor;',
'uniform mat4 uPMatrix;',
'uniform float pSize;',
'uniform float translatedThreshold;',
'uniform bool hasThreshold;',
'uniform bool skipTranslation;',
'uniform float xAxisTrans;',
'uniform float xAxisMin;',
'uniform float xAxisMinPad;',
'uniform float xAxisPointRange;',
'uniform float xAxisLen;',
'uniform bool xAxisPostTranslate;',
'uniform float xAxisOrdinalSlope;',
'uniform float xAxisOrdinalOffset;',
'uniform float xAxisPos;',
'uniform bool xAxisCVSCoord;',
'uniform bool xAxisIsLog;',
'uniform bool xAxisReversed;',
'uniform float yAxisTrans;',
'uniform float yAxisMin;',
'uniform float yAxisMinPad;',
'uniform float yAxisPointRange;',
'uniform float yAxisLen;',
'uniform bool yAxisPostTranslate;',
'uniform float yAxisOrdinalSlope;',
'uniform float yAxisOrdinalOffset;',
'uniform float yAxisPos;',
'uniform bool yAxisCVSCoord;',
'uniform bool yAxisIsLog;',
'uniform bool yAxisReversed;',
'uniform bool isBubble;',
'uniform bool bubbleSizeByArea;',
'uniform float bubbleZMin;',
'uniform float bubbleZMax;',
'uniform float bubbleZThreshold;',
'uniform float bubbleMinSize;',
'uniform float bubbleMaxSize;',
'uniform bool bubbleSizeAbs;',
'uniform bool isInverted;',
'float bubbleRadius(){',
'float value = aVertexPosition.w;',
'float zMax = bubbleZMax;',
'float zMin = bubbleZMin;',
'float radius = 0.0;',
'float pos = 0.0;',
'float zRange = zMax - zMin;',
'if (bubbleSizeAbs){',
'value = value - bubbleZThreshold;',
'zMax = max(zMax - bubbleZThreshold, zMin - bubbleZThreshold);',
'zMin = 0.0;',
'}',
'if (value < zMin){',
'radius = bubbleZMin / 2.0 - 1.0;',
'} else {',
'pos = zRange > 0.0 ? (value - zMin) / zRange : 0.5;',
'if (bubbleSizeByArea && pos > 0.0){',
'pos = sqrt(pos);',
'}',
'radius = ceil(bubbleMinSize + pos * (bubbleMaxSize - bubbleMinSize)) / 2.0;',
'}',
'return radius * 2.0;',
'}',
'float translate(float val,',
'float pointPlacement,',
'float localA,',
'float localMin,',
'float minPixelPadding,',
'float pointRange,',
'float len,',
'bool cvsCoord,',
'bool isLog,',
'bool reversed',
'){',
'float sign = 1.0;',
'float cvsOffset = 0.0;',
'if (cvsCoord) {',
'sign *= -1.0;',
'cvsOffset = len;',
'}',
'if (isLog) {',
'val = log(val) / LN10;',
'}',
'if (reversed) {',
'sign *= -1.0;',
'cvsOffset -= sign * len;',
'}',
'return sign * (val - localMin) * localA + cvsOffset + ',
'(sign * minPixelPadding);', // ' + localA * pointPlacement * pointRange;',
'}',
'float xToPixels(float value) {',
'if (skipTranslation){',
'return value;// + xAxisPos;',
'}',
'return translate(value, 0.0, xAxisTrans, xAxisMin, xAxisMinPad, xAxisPointRange, xAxisLen, xAxisCVSCoord, xAxisIsLog, xAxisReversed);// + xAxisPos;',
'}',
'float yToPixels(float value, float checkTreshold) {',
'float v;',
'if (skipTranslation){',
'v = value;// + yAxisPos;',
'} else {',
'v = translate(value, 0.0, yAxisTrans, yAxisMin, yAxisMinPad, yAxisPointRange, yAxisLen, yAxisCVSCoord, yAxisIsLog, yAxisReversed);// + yAxisPos;',
'if (v > yAxisLen) {',
'v = yAxisLen;',
'}',
'}',
'if (checkTreshold > 0.0 && hasThreshold) {',
'v = min(v, translatedThreshold);',
'}',
'return v;',
'}',
'void main(void) {',
'if (isBubble){',
'gl_PointSize = bubbleRadius();',
'} else {',
'gl_PointSize = pSize;',
'}',
// 'gl_PointSize = 10.0;',
'vColor = aColor;',
'if (skipTranslation && isInverted) {',
// If we get translated values from JS, just swap them (x, y)
'gl_Position = uPMatrix * vec4(aVertexPosition.y + yAxisPos, aVertexPosition.x + xAxisPos, 0.0, 1.0);',
'} else if (isInverted) {',
// But when calculating pixel positions directly,
// swap axes and values (x, y)
'gl_Position = uPMatrix * vec4(yToPixels(aVertexPosition.y, aVertexPosition.z) + yAxisPos, xToPixels(aVertexPosition.x) + xAxisPos, 0.0, 1.0);',
'} else {',
'gl_Position = uPMatrix * vec4(xToPixels(aVertexPosition.x) + xAxisPos, yToPixels(aVertexPosition.y, aVertexPosition.z) + yAxisPos, 0.0, 1.0);',
'}',
// 'gl_Position = uPMatrix * vec4(aVertexPosition.x, aVertexPosition.y, 0.0, 1.0);',
'}'
/* eslint-enable max-len, @typescript-eslint/indent */
].join('\n');
/* *
*
* Class
*
* */
/* eslint-disable valid-jsdoc */
/**
* A static shader mimicing axis translation functions found in Core/Axis
*
* @private
*
* @param {WebGLContext} gl
* the context in which the shader is active
*/
class WGLShader {
/* *
*
* Constructor
*
* */
constructor(gl) {
// Error stack
this.errors = [];
this.uLocations = {};
this.gl = gl;
if (gl && !this.createShader()) {
return void 0;
}
}
/* *
*
* Functions
*
* */
/**
* Bind the shader.
* This makes the shader the active one until another one is bound,
* or until 0 is bound.
* @private
*/
bind() {
if (this.gl && this.shaderProgram) {
this.gl.useProgram(this.shaderProgram);
}
}
/**
* Create the shader.
* Loads the shader program statically defined above
* @private
*/
createShader() {
const v = this.stringToProgram(vertexShader, 'vertex'), f = this.stringToProgram(fragmentShader, 'fragment'), uloc = (n) => (this.gl.getUniformLocation(this.shaderProgram, n));
if (!v || !f) {
this.shaderProgram = false;
this.handleErrors();
return false;
}
this.shaderProgram = this.gl.createProgram();
this.gl.attachShader(this.shaderProgram, v);
this.gl.attachShader(this.shaderProgram, f);
this.gl.linkProgram(this.shaderProgram);
if (!this.gl.getProgramParameter(this.shaderProgram, this.gl.LINK_STATUS)) {
this.errors.push(this.gl.getProgramInfoLog(this.shaderProgram));
this.handleErrors();
this.shaderProgram = false;
return false;
}
this.gl.useProgram(this.shaderProgram);
this.gl.bindAttribLocation(this.shaderProgram, 0, 'aVertexPosition');
this.pUniform = uloc('uPMatrix');
this.psUniform = uloc('pSize');
this.fcUniform = uloc('fillColor');
this.isBubbleUniform = uloc('isBubble');
this.bubbleSizeAbsUniform = uloc('bubbleSizeAbs');
this.bubbleSizeAreaUniform = uloc('bubbleSizeByArea');
this.uSamplerUniform = uloc('uSampler');
this.skipTranslationUniform = uloc('skipTranslation');
this.isCircleUniform = uloc('isCircle');
this.isInverted = uloc('isInverted');
return true;
}
/**
* Handle errors accumulated in errors stack
* @private
*/
handleErrors() {
if (this.errors.length) {
error('[highcharts boost] shader error - ' +
this.errors.join('\n'));
}
}
/**
* String to shader program
* @private
* @param {string} str
* Program source
* @param {string} type
* Program type: either `vertex` or `fragment`
*/
stringToProgram(str, type) {
const shader = this.gl.createShader(type === 'vertex' ? this.gl.VERTEX_SHADER : this.gl.FRAGMENT_SHADER);
this.gl.shaderSource(shader, str);
this.gl.compileShader(shader);
if (!this.gl.getShaderParameter(shader, this.gl.COMPILE_STATUS)) {
this.errors.push('when compiling ' +
type +
' shader:\n' +
this.gl.getShaderInfoLog(shader));
return false;
}
return shader;
}
/**
* Destroy the shader
* @private
*/
destroy() {
if (this.gl && this.shaderProgram) {
this.gl.deleteProgram(this.shaderProgram);
this.shaderProgram = false;
}
}
fillColorUniform() {
return this.fcUniform;
}
/**
* Get the shader program handle
* @private
* @return {WebGLProgram}
* The handle for the program
*/
getProgram() {
return this.shaderProgram;
}
pointSizeUniform() {
return this.psUniform;
}
perspectiveUniform() {
return this.pUniform;
}
/**
* Flush
* @private
*/
reset() {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.isBubbleUniform, 0);
this.gl.uniform1i(this.isCircleUniform, 0);
}
}
/**
* Set bubble uniforms
* @private
* @param {Highcharts.Series} series
* Series to use
*/
setBubbleUniforms(series, zCalcMin, zCalcMax, pixelRatio = 1) {
const seriesOptions = series.options;
let zMin = Number.MAX_VALUE, zMax = -Number.MAX_VALUE;
if (this.gl && this.shaderProgram && series.is('bubble')) {
const pxSizes = series.getPxExtremes();
zMin = WGLShader_pick(seriesOptions.zMin, clamp(zCalcMin, seriesOptions.displayNegative === false ?
seriesOptions.zThreshold : -Number.MAX_VALUE, zMin));
zMax = WGLShader_pick(seriesOptions.zMax, Math.max(zMax, zCalcMax));
this.gl.uniform1i(this.isBubbleUniform, 1);
this.gl.uniform1i(this.isCircleUniform, 1);
this.gl.uniform1i(this.bubbleSizeAreaUniform, (series.options.sizeBy !== 'width'));
this.gl.uniform1i(this.bubbleSizeAbsUniform, series.options
.sizeByAbsoluteValue);
this.setUniform('bubbleMinSize', pxSizes.minPxSize * pixelRatio);
this.setUniform('bubbleMaxSize', pxSizes.maxPxSize * pixelRatio);
this.setUniform('bubbleZMin', zMin);
this.setUniform('bubbleZMax', zMax);
this.setUniform('bubbleZThreshold', series.options.zThreshold);
}
}
/**
* Set the Color uniform.
* @private
* @param {Array<number>} color
* Array with RGBA values.
*/
setColor(color) {
if (this.gl && this.shaderProgram) {
this.gl.uniform4f(this.fcUniform, color[0] / 255.0, color[1] / 255.0, color[2] / 255.0, color[3]);
}
}
/**
* Enable/disable circle drawing
* @private
*/
setDrawAsCircle(flag) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.isCircleUniform, flag ? 1 : 0);
}
}
/**
* Set if inversion state
* @private
* @param {number} flag
* Inversion flag
*/
setInverted(flag) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.isInverted, flag);
}
}
/**
* Set the perspective matrix
* @private
* @param {Float32List} m
* Matrix 4 x 4
*/
setPMatrix(m) {
if (this.gl && this.shaderProgram) {
this.gl.uniformMatrix4fv(this.pUniform, false, m);
}
}
/**
* Set the point size.
* @private
* @param {number} p
* Point size
*/
setPointSize(p) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1f(this.psUniform, p);
}
}
/**
* Set skip translation
* @private
*/
setSkipTranslation(flag) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.skipTranslationUniform, flag === true ? 1 : 0);
}
}
/**
* Set the active texture
* @private
* @param {number} texture
* Texture to activate
*/
setTexture(texture) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.uSamplerUniform, texture);
}
}
/**
* Set a uniform value.
* This uses a hash map to cache uniform locations.
* @private
* @param {string} name
* Name of the uniform to set.
* @param {number} val
* Value to set
*/
setUniform(name, val) {
if (this.gl && this.shaderProgram) {
const u = this.uLocations[name] = (this.uLocations[name] ||
this.gl.getUniformLocation(this.shaderProgram, name));
this.gl.uniform1f(u, val);
}
}
}
/* *
*
* Default Export
*
* */
/* harmony default export */ const Boost_WGLShader = (WGLShader);
;// ./code/es-modules/Extensions/Boost/WGLVertexBuffer.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Class
*
* */
/**
* Vertex Buffer abstraction.
* A vertex buffer is a set of vertices which are passed to the GPU
* in a single call.
*
* @private
* @class
* @name WGLVertexBuffer
*
* @param {WebGLContext} gl
* Context in which to create the buffer.
* @param {WGLShader} shader
* Shader to use.
*/
class WGLVertexBuffer {
/* *
*
* Constructor
*
* */
constructor(gl, shader, dataComponents
/* , type */
) {
/* *
*
* Properties
*
* */
this.buffer = false;
this.iterator = 0;
this.preAllocated = false;
this.vertAttribute = false;
this.components = dataComponents || 2;
this.dataComponents = dataComponents;
this.gl = gl;
this.shader = shader;
}
/* *
*
* Functions
*
* */
/**
* Note about pre-allocated buffers:
* - This is slower for charts with many series
* @private
*/
allocate(size) {
this.iterator = -1;
this.preAllocated = new Float32Array(size * 4);
}
/**
* Bind the buffer
* @private
*/
bind() {
if (!this.buffer) {
return false;
}
/// gl.bindAttribLocation(shader.program(), 0, 'aVertexPosition');
// gl.enableVertexAttribArray(vertAttribute);
// gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
this.gl.vertexAttribPointer(this.vertAttribute, this.components, this.gl.FLOAT, false, 0, 0);
/// gl.enableVertexAttribArray(vertAttribute);
}
/**
* Build the buffer
* @private
* @param {Array<number>} dataIn
* Zero padded array of indices
* @param {string} attrib
* Name of the Attribute to bind the buffer to
* @param {number} dataComponents
* Number of components per. indice
*/
build(dataIn, attrib, dataComponents) {
let farray;
this.data = dataIn || [];
if ((!this.data || this.data.length === 0) && !this.preAllocated) {
/// console.error('trying to render empty vbuffer');
this.destroy();
return false;
}
this.components = dataComponents || this.components;
if (this.buffer) {
this.gl.deleteBuffer(this.buffer);
}
if (!this.preAllocated) {
farray = new Float32Array(this.data);
}
this.buffer = this.gl.createBuffer();
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.buffer);
this.gl.bufferData(this.gl.ARRAY_BUFFER, this.preAllocated || farray, this.gl.STATIC_DRAW);
/// gl.bindAttribLocation(shader.program(), 0, 'aVertexPosition');
this.vertAttribute = this.gl
.getAttribLocation(this.shader.getProgram(), attrib);
this.gl.enableVertexAttribArray(this.vertAttribute);
// Trigger cleanup
farray = false;
return true;
}
/**
* @private
*/
destroy() {
if (this.buffer) {
this.gl.deleteBuffer(this.buffer);
this.buffer = false;
this.vertAttribute = false;
}
this.iterator = 0;
this.components = this.dataComponents || 2;
this.data = [];
}
/**
* Adds data to the pre-allocated buffer.
* @private
* @param {number} x
* X data
* @param {number} y
* Y data
* @param {number} a
* A data
* @param {number} b
* B data
*/
push(x, y, a, b) {
if (this.preAllocated) { // && iterator <= preAllocated.length - 4) {
this.preAllocated[++this.iterator] = x;
this.preAllocated[++this.iterator] = y;
this.preAllocated[++this.iterator] = a;
this.preAllocated[++this.iterator] = b;
}
}
/**
* Render the buffer
*
* @private
* @param {number} from
* Start indice.
* @param {number} to
* End indice.
* @param {WGLDrawModeValue} drawMode
* Draw mode.
*/
render(from, to, drawMode) {
const length = this.preAllocated ?
this.preAllocated.length : this.data.length;
if (!this.buffer) {
return false;
}
if (!length) {
return false;
}
if (!from || from > length || from < 0) {
from = 0;
}
if (!to || to > length) {
to = length;
}
if (from >= to) {
return false;
}
drawMode = drawMode || 'POINTS';
this.gl.drawArrays(this.gl[drawMode], from / this.components, (to - from) / this.components);
return true;
}
}
/* *
*
* Default Export
*
* */
/* harmony default export */ const Boost_WGLVertexBuffer = (WGLVertexBuffer);
;// ./code/es-modules/Extensions/Boost/WGLRenderer.js
/* *
*
* (c) 2019-2024 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { parse: color } = (highcharts_Color_commonjs_highcharts_Color_commonjs2_highcharts_Color_root_Highcharts_Color_default());
const { doc, win } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
const { isNumber, isObject, merge, objectEach, pick: WGLRenderer_pick } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Constants
*
* */
// Things to draw as "rectangles" (i.e lines)
const asBar = {
'column': true,
'columnrange': true,
'bar': true,
'area': true,
'areaspline': true,
'arearange': true
};
const asCircle = {
'scatter': true,
'bubble': true
};
const contexts = [
'webgl',
'experimental-webgl',
'moz-webgl',
'webkit-3d'
];
/* *
*
* Class
*
* */
/* eslint-disable valid-jsdoc */
/**
* Main renderer. Used to render series.
*
* Notes to self:
* - May be able to build a point map by rendering to a separate canvas and
* encoding values in the color data.
* - Need to figure out a way to transform the data quicker
*
* @private
*
* @param {Function} postRenderCallback
*/
class WGLRenderer {
/* *
*
* Static Functions
*
* */
/**
* Returns an orthographic perspective matrix
* @private
* @param {number} width
* the width of the viewport in pixels
* @param {number} height
* the height of the viewport in pixels
*/
static orthoMatrix(width, height) {
const near = 0, far = 1;
return [
2 / width, 0, 0, 0,
0, -(2 / height), 0, 0,
0, 0, -2 / (far - near), 0,
-1, 1, -(far + near) / (far - near), 1
];
}
/**
* @private
*/
static seriesPointCount(series) {
let isStacked, xData, s;
if (series.boosted) {
isStacked = !!series.options.stacking;
xData = ((series.getColumn('x').length ?
series.getColumn('x') :
void 0) ||
series.options.xData ||
series.getColumn('x', true));
s = (isStacked ? series.data : (xData || series.options.data))
.length;
if (series.type === 'treemap') {
s *= 12;
}
else if (series.type === 'heatmap') {
s *= 6;
}
else if (asBar[series.type]) {
s *= 2;
}
return s;
}
return 0;
}
/* *
*
* Constructor
*
* */
constructor(postRenderCallback) {
/**
* The data to render - array of coordinates.
* Repeating sequence of [x, y, checkThreshold, pointSize].
*/
this.data = [];
// Height of our viewport in pixels
this.height = 0;
// Is it inited?
this.isInited = false;
// The marker data
this.markerData = [];
// The series stack
this.series = [];
// Texture handles
this.textureHandles = {};
// Width of our viewport in pixels
this.width = 0;
this.postRenderCallback = postRenderCallback;
this.settings = {
pointSize: 1,
lineWidth: 1,
fillColor: '#AA00AA',
useAlpha: true,
usePreallocated: false,
useGPUTranslations: false,
debug: {
timeRendering: false,
timeSeriesProcessing: false,
timeSetup: false,
timeBufferCopy: false,
timeKDTree: false,
showSkipSummary: false
}
};
}
/* *
*
* Functions
*
* */
/**
* @private
*/
getPixelRatio() {
return this.settings.pixelRatio || win.devicePixelRatio || 1;
}
/**
* @private
*/
setOptions(options) {
// The pixelRatio defaults to 1. This is an antipattern, we should
// refactor the Boost options to include an object of default options as
// base for the merge, like other components.
if (!('pixelRatio' in options)) {
options.pixelRatio = 1;
}
merge(true, this.settings, options);
}
/**
* Allocate a float buffer to fit all series
* @private
*/
allocateBuffer(chart) {
const vbuffer = this.vbuffer;
let s = 0;
if (!this.settings.usePreallocated) {
return;
}
chart.series.forEach((series) => {
if (series.boosted) {
s += WGLRenderer.seriesPointCount(series);
}
});
vbuffer && vbuffer.allocate(s);
}
/**
* @private
*/
allocateBufferForSingleSeries(series) {
const vbuffer = this.vbuffer;
let s = 0;
if (!this.settings.usePreallocated) {
return;
}
if (series.boosted) {
s = WGLRenderer.seriesPointCount(series);
}
vbuffer && vbuffer.allocate(s);
}
/**
* Clear the depth and color buffer
* @private
*/
clear() {
const gl = this.gl;
gl && gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
}
/**
* Push data for a single series
* This calculates additional vertices and transforms the data to be
* aligned correctly in memory
* @private
*/
pushSeriesData(series, inst) {
const data = this.data, settings = this.settings, vbuffer = this.vbuffer, isRange = (series.pointArrayMap &&
series.pointArrayMap.join(',') === 'low,high'), { chart, options, sorted, xAxis, yAxis } = series, isStacked = !!options.stacking, rawData = options.data, xExtremes = series.xAxis.getExtremes(),
// Taking into account the offset of the min point #19497
xMin = xExtremes.min - (series.xAxis.minPointOffset || 0), xMax = xExtremes.max + (series.xAxis.minPointOffset || 0), yExtremes = series.yAxis.getExtremes(), yMin = yExtremes.min - (series.yAxis.minPointOffset || 0), yMax = yExtremes.max + (series.yAxis.minPointOffset || 0), xData = (series.getColumn('x').length ? series.getColumn('x') : void 0) || options.xData || series.getColumn('x', true), yData = (series.getColumn('y').length ? series.getColumn('y') : void 0) || options.yData || series.getColumn('y', true), zData = (series.getColumn('z').length ? series.getColumn('z') : void 0) || options.zData || series.getColumn('z', true), useRaw = !xData || xData.length === 0,
/// threshold = options.threshold,
// yBottom = chart.yAxis[0].getThreshold(threshold),
// hasThreshold = isNumber(threshold),
// colorByPoint = series.options.colorByPoint,
// This is required for color by point, so make sure this is
// uncommented if enabling that
// colorIndex = 0,
// Required for color axis support
// caxis,
connectNulls = options.connectNulls,
// For some reason eslint/TypeScript don't pick up that this is
// actually used: --- bre1470: it is never read, just set
// maxVal: (number|undefined), // eslint-disable-line no-unused-vars
points = series.points || false, sdata = isStacked ? series.data : (xData || rawData), closestLeft = { x: Number.MAX_VALUE, y: 0 }, closestRight = { x: -Number.MAX_VALUE, y: 0 }, cullXThreshold = 1, cullYThreshold = 1, chartDestroyed = typeof chart.index === 'undefined', drawAsBar = asBar[series.type], zoneAxis = options.zoneAxis || 'y', zones = options.zones || false, threshold = options.threshold, pixelRatio = this.getPixelRatio();
let plotWidth = series.chart.plotWidth, lastX = false, lastY = false, minVal, scolor,
//
skipped = 0, hadPoints = false,
// The following are used in the builder while loop
x, y, d, z, i = -1, px = false, nx = false, low, nextInside = false, prevInside = false, pcolor = false, isXInside = false, isYInside = true, firstPoint = true, zoneColors, zoneDefColor = false, gapSize = false, vlen = 0;
if (options.boostData && options.boostData.length > 0) {
return;
}
if (options.gapSize) {
gapSize = options.gapUnit !== 'value' ?
options.gapSize * series.closestPointRange :
options.gapSize;
}
if (zones) {
zoneColors = [];
zones.forEach((zone, i) => {
if (zone.color) {
const zoneColor = color(zone.color).rgba;
zoneColor[0] /= 255.0;
zoneColor[1] /= 255.0;
zoneColor[2] /= 255.0;
zoneColors[i] = zoneColor;
if (!zoneDefColor && typeof zone.value === 'undefined') {
zoneDefColor = zoneColor;
}
}
});
if (!zoneDefColor) {
const seriesColor = ((series.pointAttribs && series.pointAttribs().fill) ||
series.color);
zoneDefColor = color(seriesColor).rgba;
zoneDefColor[0] /= 255.0;
zoneDefColor[1] /= 255.0;
zoneDefColor[2] /= 255.0;
}
}
if (chart.inverted) {
plotWidth = series.chart.plotHeight;
}
series.closestPointRangePx = Number.MAX_VALUE;
/**
* Push color to color buffer - need to do this per vertex.
* @private
*/
const pushColor = (color) => {
if (color) {
inst.colorData.push(color[0]);
inst.colorData.push(color[1]);
inst.colorData.push(color[2]);
inst.colorData.push(color[3]);
}
};
/**
* Push a vertice to the data buffer.
* @private
*/
const vertice = (x, y, checkTreshold, pointSize = 1, color) => {
pushColor(color);
// Correct for pixel ratio
if (pixelRatio !== 1 && (!settings.useGPUTranslations ||
inst.skipTranslation)) {
x *= pixelRatio;
y *= pixelRatio;
pointSize *= pixelRatio;
}
if (settings.usePreallocated && vbuffer) {
vbuffer.push(x, y, checkTreshold ? 1 : 0, pointSize);
vlen += 4;
}
else {
data.push(x);
data.push(y);
data.push(checkTreshold ? pixelRatio : 0);
data.push(pointSize);
}
};
/**
* @private
*/
const closeSegment = () => {
if (inst.segments.length) {
inst.segments[inst.segments.length - 1].to = data.length || vlen;
}
};
/**
* Create a new segment for the current set.
* @private
*/
const beginSegment = () => {
// Insert a segment on the series.
// A segment is just a start indice.
// When adding a segment, if one exists from before, it should
// set the previous segment's end
if (inst.segments.length &&
inst.segments[inst.segments.length - 1].from === (data.length || vlen)) {
return;
}
closeSegment();
inst.segments.push({
from: data.length || vlen
});
};
/**
* Push a rectangle to the data buffer.
* @private
*/
const pushRect = (x, y, w, h, color) => {
pushColor(color);
vertice(x + w, y);
pushColor(color);
vertice(x, y);
pushColor(color);
vertice(x, y + h);
pushColor(color);
vertice(x, y + h);
pushColor(color);
vertice(x + w, y + h);
pushColor(color);
vertice(x + w, y);
};
// Create the first segment
beginSegment();
// Special case for point shapes
if (points && points.length > 0) {
// If we're doing points, we assume that the points are already
// translated, so we skip the shader translation.
inst.skipTranslation = true;
// Force triangle draw mode
inst.drawMode = 'TRIANGLES';
// We don't have a z component in the shader, so we need to sort.
if (points[0].node && points[0].node.levelDynamic) {
points.sort((a, b) => {
if (a.node) {
if (a.node.levelDynamic >
b.node.levelDynamic) {
return 1;
}
if (a.node.levelDynamic <
b.node.levelDynamic) {
return -1;
}
}
return 0;
});
}
points.forEach((point) => {
const plotY = point.plotY;
let swidth, pointAttr;
if (typeof plotY !== 'undefined' &&
!isNaN(plotY) &&
point.y !== null &&
point.shapeArgs) {
let { x = 0, y = 0, width = 0, height = 0 } = point.shapeArgs;
pointAttr = chart.styledMode ?
point.series
.colorAttribs(point) :
pointAttr = point.series.pointAttribs(point);
swidth = pointAttr['stroke-width'] || 0;
// Handle point colors
pcolor = color(pointAttr.fill).rgba;
pcolor[0] /= 255.0;
pcolor[1] /= 255.0;
pcolor[2] /= 255.0;
// So there are two ways of doing this. Either we can
// create a rectangle of two triangles, or we can do a
// point and use point size. Latter is faster, but
// only supports squares. So we're doing triangles.
// We could also use one color per. vertice to get
// better color interpolation.
// If there's stroking, we do an additional rect
if (series.is('treemap')) {
swidth = swidth || 1;
scolor = color(pointAttr.stroke).rgba;
scolor[0] /= 255.0;
scolor[1] /= 255.0;
scolor[2] /= 255.0;
pushRect(x, y, width, height, scolor);
swidth /= 2;
}
// } else {
// swidth = 0;
// }
// Fixes issues with inverted heatmaps (see #6981). The root
// cause is that the coordinate system is flipped. In other
// words, instead of [0,0] being top-left, it's
// bottom-right. This causes a vertical and horizontal flip
// in the resulting image, making it rotated 180 degrees.
if (series.is('heatmap') && chart.inverted) {
x = xAxis.len - x;
y = yAxis.len - y;