File: /var/www/quadcode/frontend/node_modules/highcharts/modules/boost.src.js
/**
* @license Highcharts JS v10.3.3 (2023-01-20)
*
* Boost module
*
* (c) 2010-2021 Highsoft AS
* Author: 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/boost', ['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/Boost/Boostables.js', [], function () {
/* *
*
* Copyright (c) 2019-2021 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.
var Boostables = [
'area',
'areaspline',
'arearange',
'column',
'columnrange',
'bar',
'line',
'scatter',
'heatmap',
'bubble',
'treemap'
];
/* *
*
* Default Export
*
* */
return Boostables;
});
_registerModule(_modules, 'Extensions/Boost/BoostableMap.js', [_modules['Extensions/Boost/Boostables.js']], function (Boostables) {
/* *
*
* Copyright (c) 2019-2021 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.
var BoostableMap = {};
Boostables.forEach(function (item) {
BoostableMap[item] = true;
});
/* *
*
* Default Export
*
* */
return BoostableMap;
});
_registerModule(_modules, 'Extensions/Boost/BoostChart.js', [_modules['Extensions/Boost/BoostableMap.js'], _modules['Core/Utilities.js']], function (BoostableMap, U) {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var addEvent = U.addEvent,
pick = U.pick;
/* *
*
* Constants
*
* */
var composedClasses = [];
/* *
*
* Functions
*
* */
/**
* @private
*/
function compose(ChartClass, wglMode) {
if (wglMode && composedClasses.indexOf(ChartClass) === -1) {
composedClasses.push(ChartClass);
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) {
var clipBox = {
x: chart.plotLeft,
y: chart.plotTop,
width: chart.plotWidth,
height: chart.plotHeight
};
if (target === chart) {
var 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);
}
else {
clipBox.height = chart.plotHeight;
}
}
return clipBox;
}
/**
* Returns true if the chart is in series boost mode.
*
* @function Highcharts.Chart#isChartSeriesBoosting
*
* @param {Highcharts.Chart} chart
* the chart to check
*
* @return {boolean}
* true if the chart is in series boost mode
*/
function isChartSeriesBoosting(chart) {
var 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;
}
var allowBoostForce = boostOptions.allowForce;
if (typeof allowBoostForce === 'undefined') {
allowBoostForce = true;
for (var _i = 0, _a = chart.xAxis; _i < _a.length; _i++) {
var axis = _a[_i];
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.
var canBoostCount = 0,
needBoostCount = 0,
seriesOptions;
for (var _b = 0, allSeries_1 = allSeries; _b < allSeries_1.length; _b++) {
var series = allSeries_1[_b];
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 (BoostableMap[series.type]) {
++canBoostCount;
}
if (patientMax(series.processedXData, seriesOptions.data,
// series.xData,
series.points) >= (seriesOptions.boostThreshold || Number.MAX_VALUE)) {
++needBoostCount;
}
}
boost.forceChartBoost = allowBoostForce && ((canBoostCount === allSeries.length &&
needBoostCount > 0) ||
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.boost.clear) {
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);
addEvent(chart, 'render', canvasToSVG);
// addEvent(chart, 'zoom', function () {
// chart.boostForceChartBoost =
// shouldForceChartSeriesBoosting(chart);
// });
var prevX = -1;
var prevY = -1;
addEvent(chart.pointer, 'afterGetHoverData', function () {
var series = chart.hoverSeries;
chart.boost = chart.boost || {};
if (chart.boost.markerGroup && series) {
var xAxis = chart.inverted ? series.yAxis : series.xAxis;
var yAxis = chart.inverted ? series.xAxis : series.yAxis;
if ((xAxis && xAxis.pos !== prevX) ||
(yAxis && yAxis.pos !== prevY)) {
// #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() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var r = -Number.MAX_VALUE;
args.forEach(function (t) {
if (typeof t !== 'undefined' &&
t !== null &&
typeof t.length !== 'undefined') {
// r = r < t.length ? t.length : r;
if (t.length > 0) {
r = t.length;
return true;
}
}
});
return r;
}
/* *
*
* Default Export
*
* */
var BoostChart = {
compose: compose,
getBoostClipRect: getBoostClipRect,
isChartSeriesBoosting: isChartSeriesBoosting
};
return BoostChart;
});
_registerModule(_modules, 'Extensions/Boost/WGLDrawMode.js', [], function () {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Constants
*
* */
var 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
*
* */
return WGLDrawMode;
});
_registerModule(_modules, 'Extensions/Boost/WGLShader.js', [_modules['Core/Utilities.js']], function (U) {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var clamp = U.clamp,
error = U.error,
pick = U.pick;
/* *
*
* Constants
*
* */
var 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');
var 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);',
'}',
'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
*/
var WGLShader = /** @class */ (function () {
/* *
*
* Constructor
*
* */
function WGLShader(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
*/
WGLShader.prototype.bind = function () {
if (this.gl && this.shaderProgram) {
this.gl.useProgram(this.shaderProgram);
}
};
/**
* Create the shader.
* Loads the shader program statically defined above
* @private
*/
WGLShader.prototype.createShader = function () {
var _this = this;
var v = this.stringToProgram(vertexShader, 'vertex'), f = this.stringToProgram(fragmentShader, 'fragment'), uloc = function (n) { return (_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
*/
WGLShader.prototype.handleErrors = function () {
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`
*/
WGLShader.prototype.stringToProgram = function (str, type) {
var 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
*/
WGLShader.prototype.destroy = function () {
if (this.gl && this.shaderProgram) {
this.gl.deleteProgram(this.shaderProgram);
this.shaderProgram = false;
}
};
WGLShader.prototype.fillColorUniform = function () {
return this.fcUniform;
};
/**
* Get the shader program handle
* @private
* @return {WebGLProgram}
* The handle for the program
*/
WGLShader.prototype.getProgram = function () {
return this.shaderProgram;
};
WGLShader.prototype.pointSizeUniform = function () {
return this.psUniform;
};
WGLShader.prototype.perspectiveUniform = function () {
return this.pUniform;
};
/**
* Flush
* @private
*/
WGLShader.prototype.reset = function () {
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
*/
WGLShader.prototype.setBubbleUniforms = function (series, zCalcMin, zCalcMax, pixelRatio) {
if (pixelRatio === void 0) { pixelRatio = 1; }
var seriesOptions = series.options;
var zMin = Number.MAX_VALUE,
zMax = -Number.MAX_VALUE;
if (this.gl && this.shaderProgram && series.is('bubble')) {
var pxSizes = series.getPxExtremes();
zMin = pick(seriesOptions.zMin, clamp(zCalcMin, seriesOptions.displayNegative === false ?
seriesOptions.zThreshold : -Number.MAX_VALUE, zMin));
zMax = 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.
*/
WGLShader.prototype.setColor = function (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
*/
WGLShader.prototype.setDrawAsCircle = function (flag) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.isCircleUniform, flag ? 1 : 0);
}
};
/**
* Set if inversion state
* @private
* @param {number} flag
* Inversion flag
*/
WGLShader.prototype.setInverted = function (flag) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1i(this.isInverted, flag);
}
};
/**
* Set the perspective matrix
* @private
* @param {Float32List} m
* Matrix 4 x 4
*/
WGLShader.prototype.setPMatrix = function (m) {
if (this.gl && this.shaderProgram) {
this.gl.uniformMatrix4fv(this.pUniform, false, m);
}
};
/**
* Set the point size.
* @private
* @param {number} p
* Point size
*/
WGLShader.prototype.setPointSize = function (p) {
if (this.gl && this.shaderProgram) {
this.gl.uniform1f(this.psUniform, p);
}
};
/**
* Set skip translation
* @private
*/
WGLShader.prototype.setSkipTranslation = function (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
*/
WGLShader.prototype.setTexture = function (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
*/
WGLShader.prototype.setUniform = function (name, val) {
if (this.gl && this.shaderProgram) {
var u = this.uLocations[name] = (this.uLocations[name] ||
this.gl.getUniformLocation(this.shaderProgram,
name));
this.gl.uniform1f(u, val);
}
};
return WGLShader;
}());
/* *
*
* Default Export
*
* */
return WGLShader;
});
_registerModule(_modules, 'Extensions/Boost/WGLVertexBuffer.js', [], function () {
/* *
*
* Copyright (c) 2019-2021 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.
*/
var WGLVertexBuffer = /** @class */ (function () {
/* *
*
* Constructor
*
* */
function WGLVertexBuffer(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
*/
WGLVertexBuffer.prototype.allocate = function (size) {
this.iterator = -1;
this.preAllocated = new Float32Array(size * 4);
};
/**
* Bind the buffer
* @private
*/
WGLVertexBuffer.prototype.bind = function () {
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
* Mumber of components per. indice
*/
WGLVertexBuffer.prototype.build = function (dataIn, attrib, dataComponents) {
var 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
*/
WGLVertexBuffer.prototype.destroy = function () {
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
*/
WGLVertexBuffer.prototype.push = function (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.
*/
WGLVertexBuffer.prototype.render = function (from, to, drawMode) {
var 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;
};
return WGLVertexBuffer;
}());
/* *
*
* Default Export
*
* */
return WGLVertexBuffer;
});
_registerModule(_modules, 'Extensions/Boost/WGLRenderer.js', [_modules['Core/Color/Color.js'], _modules['Core/Globals.js'], _modules['Core/Utilities.js'], _modules['Extensions/Boost/WGLDrawMode.js'], _modules['Extensions/Boost/WGLShader.js'], _modules['Extensions/Boost/WGLVertexBuffer.js']], function (Color, H, U, WGLDrawMode, WGLShader, WGLVertexBuffer) {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var color = Color.parse;
var doc = H.doc,
win = H.win;
var isNumber = U.isNumber,
isObject = U.isObject,
merge = U.merge,
objectEach = U.objectEach,
pick = U.pick;
/* *
*
* Constants
*
* */
// Things to draw as "rectangles" (i.e lines)
var asBar = {
'column': true,
'columnrange': true,
'bar': true,
'area': true,
'areaspline': true,
'arearange': true
};
var asCircle = {
'scatter': true,
'bubble': true
};
var 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
*/
var WGLRenderer = /** @class */ (function () {
/* *
*
* Constructor
*
* */
function WGLRenderer(postRenderCallback) {
// The data to render - array of coordinates
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
}
};
}
/* *
*
* 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
*/
WGLRenderer.orthoMatrix = function (width, height) {
var 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
*/
WGLRenderer.seriesPointCount = function (series) {
var isStacked,
xData,
s;
if (series.boosted) {
isStacked = !!series.options.stacking;
xData = (series.xData ||
series.options.xData ||
series.processedXData);
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;
};
/* *
*
* Functions
*
* */
/**
* @private
*/
WGLRenderer.prototype.getPixelRatio = function () {
return this.settings.pixelRatio || win.devicePixelRatio || 1;
};
/**
* @private
*/
WGLRenderer.prototype.setOptions = function (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
*/
WGLRenderer.prototype.allocateBuffer = function (chart) {
var vbuffer = this.vbuffer;
var s = 0;
if (!this.settings.usePreallocated) {
return;
}
chart.series.forEach(function (series) {
if (series.boosted) {
s += WGLRenderer.seriesPointCount(series);
}
});
vbuffer && vbuffer.allocate(s);
};
/**
* @private
*/
WGLRenderer.prototype.allocateBufferForSingleSeries = function (series) {
var vbuffer = this.vbuffer;
var 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
*/
WGLRenderer.prototype.clear = function () {
var 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
*/
WGLRenderer.prototype.pushSeriesData = function (series, inst) {
var _this = this;
var data = this.data, settings = this.settings, vbuffer = this.vbuffer, isRange = (series.pointArrayMap &&
series.pointArrayMap.join(',') === 'low,high'), chart = series.chart, options = series.options, isStacked = !!options.stacking, rawData = options.data, xExtremes = series.xAxis.getExtremes(), xMin = xExtremes.min, xMax = xExtremes.max, yExtremes = series.yAxis.getExtremes(), yMin = yExtremes.min, yMax = yExtremes.max, xData = series.xData || options.xData || series.processedXData, yData = series.yData || options.yData || series.processedYData, zData = (series.zData || options.zData ||
series.processedZData), yAxis = series.yAxis, xAxis = series.xAxis, 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();
var // plotHeight = series.chart.plotHeight,
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(function (zone, i) {
if (zone.color) {
var 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) {
var 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) {
// plotHeight = series.chart.plotWidth;
plotWidth = series.chart.plotHeight;
}
series.closestPointRangePx = Number.MAX_VALUE;
/**
* Push color to color buffer - need to do this per vertex.
* @private
*/
var pushColor = function (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
*/
var vertice = function (x,
y,
checkTreshold,
pointSize,
color) {
if (pointSize === void 0) { pointSize = 1; }
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
*/
var closeSegment = function () {
if (inst.segments.length) {
inst.segments[inst.segments.length - 1].to = data.length || vlen;
}
};
/**
* Create a new segment for the current set.
* @private
*/
var beginSegment = function () {
// 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
*/
var pushRect = function (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(function (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(function (point) {
var plotY = point.plotY;
var swidth,
pointAttr;
if (typeof plotY !== 'undefined' &&
!isNaN(plotY) &&
point.y !== null &&
point.shapeArgs) {
var _a = point.shapeArgs,
_b = _a.x,
x_1 = _b === void 0 ? 0 : _b,
_c = _a.y,
y_1 = _c === void 0 ? 0 : _c,
_d = _a.width,
width = _d === void 0 ? 0 : _d,
_e = _a.height,
height = _e === void 0 ? 0 : _e;
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_1, y_1, 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_1 = xAxis.len - x_1;
y_1 = yAxis.len - y_1;
width = -width;
height = -height;
}
pushRect(x_1 + swidth, y_1 + swidth, width - (swidth * 2), height - (swidth * 2), pcolor);
}
});
closeSegment();
return;
}
var _loop_1 = function () {
d = sdata[++i];
if (typeof d === 'undefined') {
return "continue";
}
// px = x = y = z = nx = low = false;
// chartDestroyed = typeof chart.index === 'undefined';
// nextInside = prevInside = pcolor = isXInside = isYInside = false;
// drawAsBar = asBar[series.type];
if (chartDestroyed) {
return "break";
}
// Uncomment this to enable color by point.
// This currently left disabled as the charts look really ugly
// when enabled and there's a lot of points.
// Leaving in for the future (tm).
// if (colorByPoint) {
// colorIndex = ++colorIndex %
// series.chart.options.colors.length;
// pcolor = toRGBAFast(series.chart.options.colors[colorIndex]);
// pcolor[0] /= 255.0;
// pcolor[1] /= 255.0;
// pcolor[2] /= 255.0;
// }
// Handle the point.color option (#5999)
var pointOptions = rawData && rawData[i];
if (!useRaw && isObject(pointOptions, true)) {
if (pointOptions.color) {
pcolor = color(pointOptions.color).rgba;
pcolor[0] /= 255.0;
pcolor[1] /= 255.0;
pcolor[2] /= 255.0;
}
}
if (useRaw) {
x = d[0];
y = d[1];
if (sdata[i + 1]) {
nx = sdata[i + 1][0];
}
if (sdata[i - 1]) {
px = sdata[i - 1][0];
}
if (d.length >= 3) {
z = d[2];
if (d[2] > inst.zMax) {
inst.zMax = d[2];
}
if (d[2] < inst.zMin) {
inst.zMin = d[2];
}
}
}
else {
x = d;
y = yData[i];
if (sdata[i + 1]) {
nx = sdata[i + 1];
}
if (sdata[i - 1]) {
px = sdata[i - 1];
}
if (zData && zData.length) {
z = zData[i];
if (zData[i] > inst.zMax) {
inst.zMax = zData[i];
}
if (zData[i] < inst.zMin) {
inst.zMin = zData[i];
}
}
}
if (!connectNulls && (x === null || y === null)) {
beginSegment();
return "continue";
}
if (nx && nx >= xMin && nx <= xMax) {
nextInside = true;
}
if (px && px >= xMin && px <= xMax) {
prevInside = true;
}
if (isRange) {
if (useRaw) {
y = d.slice(1, 3);
}
low = y[0];
y = y[1];
}
else if (isStacked) {
x = d.x;
y = d.stackY;
low = y - d.y;
}
if (yMin !== null &&
typeof yMin !== 'undefined' &&
yMax !== null &&
typeof yMax !== 'undefined') {
isYInside = y >= yMin && y <= yMax;
}
if (x > xMax && closestRight.x < xMax) {
closestRight.x = x;
closestRight.y = y;
}
if (x < xMin && closestLeft.x > xMin) {
closestLeft.x = x;
closestLeft.y = y;
}
if (y === null && connectNulls) {
return "continue";
}
// Cull points outside the extremes
if (y === null || (!isYInside && !nextInside && !prevInside)) {
beginSegment();
return "continue";
}
// The first point before and first after extremes should be
// rendered (#9962)
if ((nx >= xMin || x >= xMin) &&
(px <= xMax || x <= xMax)) {
isXInside = true;
}
if (!isXInside && !nextInside && !prevInside) {
return "continue";
}
if (gapSize && x - px > gapSize) {
beginSegment();
}
// Note: Boost requires that zones are sorted!
if (zones) {
var zoneColor_1;
zones.some(function (// eslint-disable-line no-loop-func
zone, i) {
var last = zones[i - 1];
if (zoneAxis === 'x') {
if (typeof zone.value !== 'undefined' &&
x <= zone.value) {
if (zoneColors[i] &&
(!last || x >= last.value)) {
zoneColor_1 = zoneColors[i];
}
return true;
}
return false;
}
if (typeof zone.value !== 'undefined' && y <= zone.value) {
if (zoneColors[i] &&
(!last || y >= last.value)) {
zoneColor_1 = zoneColors[i];
}
return true;
}
return false;
});
pcolor = zoneColor_1 || zoneDefColor || pcolor;
}
// Skip translations - temporary floating point fix
if (!settings.useGPUTranslations) {
inst.skipTranslation = true;
x = xAxis.toPixels(x, true);
y = yAxis.toPixels(y, true);
// Make sure we're not drawing outside of the chart area.
// See #6594. Update: this is no longer required as far as I
// can tell. Leaving in for git blame in case there are edge
// cases I've not found. Having this in breaks #10246.
// if (y > plotHeight) {
// y = plotHeight;
// }
if (x > plotWidth) {
// If this is rendered as a point, just skip drawing it
// entirely, as we're not dependandt on lineTo'ing to it.
// See #8197
if (inst.drawMode === 'POINTS') {
return "continue";
}
// Having this here will clamp markers and make the angle
// of the last line wrong. See 9166.
// x = plotWidth;
}
}
// No markers on out of bounds things.
// Out of bound things are shown if and only if the next
// or previous point is inside the rect.
if (inst.hasMarkers && isXInside) {
// x = Highcharts.correctFloat(
// Math.min(Math.max(-1e5, xAxis.translate(
// x,
// 0,
// 0,
// 0,
// 1,
// 0.5,
// false
// )), 1e5)
// );
if (lastX !== false) {
series.closestPointRangePx = Math.min(series.closestPointRangePx, Math.abs(x - lastX));
}
}
// If the last _drawn_ point is closer to this point than the
// threshold, skip it. Shaves off 20-100ms in processing.
if (!settings.useGPUTranslations &&
!settings.usePreallocated &&
(lastX && Math.abs(x - lastX) < cullXThreshold) &&
(lastY && Math.abs(y - lastY) < cullYThreshold)) {
if (settings.debug.showSkipSummary) {
++skipped;
}
return "continue";
}
if (drawAsBar) {
// maxVal = y;
minVal = low;
if (low === false || typeof low === 'undefined') {
if (y < 0) {
minVal = y;
}
else {
minVal = 0;
}
}
if (!isRange && !isStacked) {
minVal = Math.max(threshold === null ? yMin : threshold, // #5268
yMin); // #8731
}
if (!settings.useGPUTranslations) {
minVal = yAxis.toPixels(minVal, true);
}
// Need to add an extra point here
vertice(x, minVal, 0, 0, pcolor);
}
// Do step line if enabled.
// Draws an additional point at the old Y at the new X.
// See #6976.
if (options.step && !firstPoint) {
vertice(x, lastY, 0, 2, pcolor);
}
vertice(x, y, 0, series.type === 'bubble' ? (z || 1) : 2, pcolor);
// Uncomment this to support color axis.
// if (caxis) {
// pcolor = color(caxis.toColor(y)).rgba;
// inst.colorData.push(color[0] / 255.0);
// inst.colorData.push(color[1] / 255.0);
// inst.colorData.push(color[2] / 255.0);
// inst.colorData.push(color[3]);
// }
lastX = x;
lastY = y;
hadPoints = true;
firstPoint = false;
};
// Extract color axis
// (chart.axes || []).forEach((a): void => {
// if (H.ColorAxis && a instanceof H.ColorAxis) {
// caxis = a;
// }
// });
while (i < sdata.length - 1) {
var state_1 = _loop_1();
if (state_1 === "break")
break;
}
if (settings.debug.showSkipSummary) {
console.log('skipped points:', skipped); // eslint-disable-line no-console
}
var pushSupplementPoint = function (point,
atStart) {
if (!settings.useGPUTranslations) {
inst.skipTranslation = true;
point.x = xAxis.toPixels(point.x, true);
point.y = yAxis.toPixels(point.y, true);
}
// We should only do this for lines, and we should ignore markers
// since there's no point here that would have a marker.
if (atStart) {
_this.data = [point.x, point.y, 0, 2].concat(_this.data);
return;
}
vertice(point.x, point.y, 0, 2);
};
if (!hadPoints &&
connectNulls !== false &&
series.drawMode === 'line_strip') {
if (closestLeft.x < Number.MAX_VALUE) {
// We actually need to push this *before* the complete buffer.
pushSupplementPoint(closestLeft, true);
}
if (closestRight.x > -Number.MAX_VALUE) {
pushSupplementPoint(closestRight);
}
}
closeSegment();
};
/**
* Push a series to the renderer
* If we render the series immediatly, we don't have to loop later
* @private
* @param {Highchart.Series} s
* The series to push.
*/
WGLRenderer.prototype.pushSeries = function (s) {
var markerData = this.markerData,
series = this.series,
settings = this.settings;
if (series.length > 0) {
// series[series.length - 1].to = data.length;
if (series[series.length - 1].hasMarkers) {
series[series.length - 1].markerTo = markerData.length;
}
}
if (settings.debug.timeSeriesProcessing) {
console.time('building ' + s.type + ' series'); // eslint-disable-line no-console
}
var obj = {
segments: [],
// from: data.length,
markerFrom: markerData.length,
// Push RGBA values to this array to use per. point coloring.
// It should be 0-padded, so each component should be pushed in
// succession.
colorData: [],
series: s,
zMin: Number.MAX_VALUE,
zMax: -Number.MAX_VALUE,
hasMarkers: s.options.marker ?
s.options.marker.enabled !== false :
false,
showMarkers: true,
drawMode: WGLDrawMode[s.type] || 'LINE_STRIP'
};
if (s.index >= series.length) {
series.push(obj);
}
else {
series[s.index] = obj;
}
// Add the series data to our buffer(s)
this.pushSeriesData(s, obj);
if (settings.debug.timeSeriesProcessing) {
console.timeEnd('building ' + s.type + ' series'); // eslint-disable-line no-console
}
};
/**
* Flush the renderer.
* This removes pushed series and vertices.
* Should be called after clearing and before rendering
* @private
*/
WGLRenderer.prototype.flush = function () {
var vbuffer = this.vbuffer;
this.data = [];
this.markerData = [];
this.series = [];
if (vbuffer) {
vbuffer.destroy();
}
};
/**
* Pass x-axis to shader
* @private
* @param {Highcharts.Axis} axis
* The x-axis.
*/
WGLRenderer.prototype.setXAxis = function (axis) {
var shader = this.shader;
if (!shader) {
return;
}
var pixelRatio = this.getPixelRatio();
shader.setUniform('xAxisTrans', axis.transA * pixelRatio);
shader.setUniform('xAxisMin', axis.min);
shader.setUniform('xAxisMinPad', axis.minPixelPadding * pixelRatio);
shader.setUniform('xAxisPointRange', axis.pointRange);
shader.setUniform('xAxisLen', axis.len * pixelRatio);
shader.setUniform('xAxisPos', axis.pos * pixelRatio);
shader.setUniform('xAxisCVSCoord', (!axis.horiz));
shader.setUniform('xAxisIsLog', (!!axis.logarithmic));
shader.setUniform('xAxisReversed', (!!axis.reversed));
};
/**
* Pass y-axis to shader
* @private
* @param {Highcharts.Axis} axis
* The y-axis.
*/
WGLRenderer.prototype.setYAxis = function (axis) {
var shader = this.shader;
if (!shader) {
return;
}
var pixelRatio = this.getPixelRatio();
shader.setUniform('yAxisTrans', axis.transA * pixelRatio);
shader.setUniform('yAxisMin', axis.min);
shader.setUniform('yAxisMinPad', axis.minPixelPadding * pixelRatio);
shader.setUniform('yAxisPointRange', axis.pointRange);
shader.setUniform('yAxisLen', axis.len * pixelRatio);
shader.setUniform('yAxisPos', axis.pos * pixelRatio);
shader.setUniform('yAxisCVSCoord', (!axis.horiz));
shader.setUniform('yAxisIsLog', (!!axis.logarithmic));
shader.setUniform('yAxisReversed', (!!axis.reversed));
};
/**
* Set the translation threshold
* @private
* @param {boolean} has
* Has threshold flag.
* @param {numbe} translation
* The threshold.
*/
WGLRenderer.prototype.setThreshold = function (has, translation) {
var shader = this.shader;
if (!shader) {
return;
}
shader.setUniform('hasThreshold', has);
shader.setUniform('translatedThreshold', translation);
};
/**
* Render the data
* This renders all pushed series.
* @private
*/
WGLRenderer.prototype.renderChart = function (chart) {
var _this = this;
var gl = this.gl,
settings = this.settings,
shader = this.shader,
vbuffer = this.vbuffer;
var pixelRatio = this.getPixelRatio();
if (chart) {
this.width = chart.chartWidth * pixelRatio;
this.height = chart.chartHeight * pixelRatio;
}
else {
return false;
}
var height = this.height,
width = this.width;
if (!gl || !shader || !width || !height) {
return false;
}
if (settings.debug.timeRendering) {
console.time('gl rendering'); // eslint-disable-line no-console
}
gl.canvas.width = width;
gl.canvas.height = height;
shader.bind();
gl.viewport(0, 0, width, height);
shader.setPMatrix(WGLRenderer.orthoMatrix(width, height));
if (settings.lineWidth > 1 && !H.isMS) {
gl.lineWidth(settings.lineWidth);
}
if (vbuffer) {
vbuffer.build(this.data, 'aVertexPosition', 4);
vbuffer.bind();
}
shader.setInverted(chart.inverted);
// Render the series
this.series.forEach(function (s, si) {
var options = s.series.options,
shapeOptions = options.marker,
lineWidth = (typeof options.lineWidth !== 'undefined' ?
options.lineWidth :
1),
threshold = options.threshold,
hasThreshold = isNumber(threshold),
yBottom = s.series.yAxis.getThreshold(threshold),
translatedThreshold = yBottom,
showMarkers = pick(options.marker ? options.marker.enabled : null,
s.series.xAxis.isRadial ? true : null,
s.series.closestPointRangePx >
2 * ((options.marker ?
options.marker.radius :
10) || 10)),
shapeTexture = _this.textureHandles[(shapeOptions && shapeOptions.symbol) ||
s.series.symbol] || _this.textureHandles.circle;
var sindex,
cbuffer,
fillColor,
scolor = [];
if (s.segments.length === 0 ||
s.segments[0].from === s.segments[0].to) {
return;
}
if (shapeTexture.isReady) {
gl.bindTexture(gl.TEXTURE_2D, shapeTexture.handle);
shader.setTexture(shapeTexture.handle);
}
if (chart.styledMode) {
fillColor = (s.series.markerGroup &&
s.series.markerGroup.getStyle('fill'));
}
else {
fillColor =
(s.drawMode === 'POINTS' && // #14260
s.series.pointAttribs &&
s.series.pointAttribs().fill) ||
s.series.color;
if (options.colorByPoint) {
fillColor = s.series.chart.options.colors[si];
}
}
if (s.series.fillOpacity && options.fillOpacity) {
fillColor = new Color(fillColor).setOpacity(pick(options.fillOpacity, 1.0)).get();
}
scolor = color(fillColor).rgba;
if (!settings.useAlpha) {
scolor[3] = 1.0;
}
// This is very much temporary
if (s.drawMode === 'LINES' &&
settings.useAlpha &&
scolor[3] < 1) {
scolor[3] /= 10;
}
// Blending
if (options.boostBlending === 'add') {
gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
gl.blendEquation(gl.FUNC_ADD);
}
else if (options.boostBlending === 'mult' ||
options.boostBlending === 'multiply') {
gl.blendFunc(gl.DST_COLOR, gl.ZERO);
}
else if (options.boostBlending === 'darken') {
gl.blendFunc(gl.ONE, gl.ONE);
gl.blendEquation(gl.FUNC_MIN);
}
else {
// gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
// gl.blendEquation(gl.FUNC_ADD);
gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
}
shader.reset();
// If there are entries in the colorData buffer, build and bind it.
if (s.colorData.length > 0) {
shader.setUniform('hasColor', 1.0);
cbuffer = new WGLVertexBuffer(gl, shader);
cbuffer.build(s.colorData, 'aColor', 4);
cbuffer.bind();
}
else {
// #15869, a buffer with fewer points might already be bound by
// a different series/chart causing out of range errors
gl.disableVertexAttribArray(gl.getAttribLocation(shader.getProgram(), 'aColor'));
}
// Set series specific uniforms
shader.setColor(scolor);
_this.setXAxis(s.series.xAxis);
_this.setYAxis(s.series.yAxis);
_this.setThreshold(hasThreshold, translatedThreshold);
if (s.drawMode === 'POINTS') {
shader.setPointSize(pick(options.marker && options.marker.radius, 0.5) * 2 * pixelRatio);
}
// If set to true, the toPixels translations in the shader
// is skipped, i.e it's assumed that the value is a pixel coord.
shader.setSkipTranslation(s.skipTranslation);
if (s.series.type === 'bubble') {
shader.setBubbleUniforms(s.series, s.zMin, s.zMax, pixelRatio);
}
shader.setDrawAsCircle(asCircle[s.series.type] || false);
if (!vbuffer) {
return;
}
// Do the actual rendering
// If the line width is < 0, skip rendering of the lines. See #7833.
if (lineWidth > 0 || s.drawMode !== 'LINE_STRIP') {
for (sindex = 0; sindex < s.segments.length; sindex++) {
vbuffer.render(s.segments[sindex].from, s.segments[sindex].to, s.drawMode);
}
}
if (s.hasMarkers && showMarkers) {
shader.setPointSize(pick(options.marker && options.marker.radius, 5) * 2 * pixelRatio);
shader.setDrawAsCircle(true);
for (sindex = 0; sindex < s.segments.length; sindex++) {
vbuffer.render(s.segments[sindex].from, s.segments[sindex].to, 'POINTS');
}
}
});
if (settings.debug.timeRendering) {
console.timeEnd('gl rendering'); // eslint-disable-line no-console
}
if (this.postRenderCallback) {
this.postRenderCallback(this);
}
this.flush();
};
/**
* Render the data when ready
* @private
*/
WGLRenderer.prototype.render = function (chart) {
var _this = this;
this.clear();
if (chart.renderer.forExport) {
return this.renderChart(chart);
}
if (this.isInited) {
this.renderChart(chart);
}
else {
setTimeout(function () {
_this.render(chart);
}, 1);
}
};
/**
* Set the viewport size in pixels
* Creates an orthographic perspective matrix and applies it.
* @private
*/
WGLRenderer.prototype.setSize = function (width, height) {
var shader = this.shader;
// Skip if there's no change, or if we have no valid shader
if (!shader || (this.width === width && this.height === height)) {
return;
}
this.width = width;
this.height = height;
shader.bind();
shader.setPMatrix(WGLRenderer.orthoMatrix(width, height));
};
/**
* Init OpenGL
* @private
*/
WGLRenderer.prototype.init = function (canvas, noFlush) {
var _this = this;
var settings = this.settings;
this.isInited = false;
if (!canvas) {
return false;
}
if (settings.debug.timeSetup) {
console.time('gl setup'); // eslint-disable-line no-console
}
for (var i = 0; i < contexts.length; ++i) {
this.gl = canvas.getContext(contexts[i], {
// premultipliedAlpha: false
});
if (this.gl) {
break;
}
}
var gl = this.gl;
if (gl) {
if (!noFlush) {
this.flush();
}
}
else {
return false;
}
gl.enable(gl.BLEND);
// gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
gl.disable(gl.DEPTH_TEST);
// gl.depthMask(gl.FALSE);
gl.depthFunc(gl.LESS);
var shader = this.shader = new WGLShader(gl);
if (!shader) {
// We need to abort, there's no shader context
return false;
}
this.vbuffer = new WGLVertexBuffer(gl, shader);
var createTexture = function (name,
fn) {
var props = {
isReady: false,
texture: doc.createElement('canvas'),
handle: gl.createTexture()
},
ctx = props.texture.getContext('2d');
_this.textureHandles[name] = props;
props.texture.width = 512;
props.texture.height = 512;
ctx.mozImageSmoothingEnabled = false;
ctx.webkitImageSmoothingEnabled = false;
ctx.msImageSmoothingEnabled = false;
ctx.imageSmoothingEnabled = false;
ctx.strokeStyle = 'rgba(255, 255, 255, 0)';
ctx.fillStyle = '#FFF';
fn(ctx);
try {
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_2D, props.handle);
// gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, props.texture);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
// gl.generateMipmap(gl.TEXTURE_2D);
gl.bindTexture(gl.TEXTURE_2D, null);
props.isReady = true;
}
catch (e) {
// silent error
}
};
// Circle shape
createTexture('circle', function (ctx) {
ctx.beginPath();
ctx.arc(256, 256, 256, 0, 2 * Math.PI);
ctx.stroke();
ctx.fill();
});
// Square shape
createTexture('square', function (ctx) {
ctx.fillRect(0, 0, 512, 512);
});
// Diamond shape
createTexture('diamond', function (ctx) {
ctx.beginPath();
ctx.moveTo(256, 0);
ctx.lineTo(512, 256);
ctx.lineTo(256, 512);
ctx.lineTo(0, 256);
ctx.lineTo(256, 0);
ctx.fill();
});
// Triangle shape
createTexture('triangle', function (ctx) {
ctx.beginPath();
ctx.moveTo(0, 512);
ctx.lineTo(256, 0);
ctx.lineTo(512, 512);
ctx.lineTo(0, 512);
ctx.fill();
});
// Triangle shape (rotated)
createTexture('triangle-down', function (ctx) {
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(256, 512);
ctx.lineTo(512, 0);
ctx.lineTo(0, 0);
ctx.fill();
});
this.isInited = true;
if (settings.debug.timeSetup) {
console.timeEnd('gl setup'); // eslint-disable-line no-console
}
return true;
};
/**
* @private
* @todo use it
*/
WGLRenderer.prototype.destroy = function () {
var gl = this.gl,
shader = this.shader,
vbuffer = this.vbuffer;
this.flush();
if (vbuffer) {
vbuffer.destroy();
}
if (shader) {
shader.destroy();
}
if (gl) {
objectEach(this.textureHandles, function (texture) {
if (texture.handle) {
gl.deleteTexture(texture.handle);
}
});
gl.canvas.width = 1;
gl.canvas.height = 1;
}
};
return WGLRenderer;
}());
/* *
*
* Default Export
*
* */
return WGLRenderer;
});
_registerModule(_modules, 'Extensions/Boost/BoostSeries.js', [_modules['Extensions/Boost/BoostableMap.js'], _modules['Extensions/Boost/Boostables.js'], _modules['Extensions/Boost/BoostChart.js'], _modules['Core/Defaults.js'], _modules['Core/Globals.js'], _modules['Core/Utilities.js'], _modules['Extensions/Boost/WGLRenderer.js']], function (BoostableMap, Boostables, BoostChart, D, H, U, WGLRenderer) {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var getBoostClipRect = BoostChart.getBoostClipRect,
isChartSeriesBoosting = BoostChart.isChartSeriesBoosting;
var getOptions = D.getOptions;
var doc = H.doc,
noop = H.noop,
win = H.win;
var addEvent = U.addEvent,
error = U.error,
extend = U.extend,
fireEvent = U.fireEvent,
isArray = U.isArray,
isNumber = U.isNumber,
pick = U.pick,
wrap = U.wrap;
/* *
*
* Constants
*
* */
var CHUNK_SIZE = 3000;
var composedClasses = [];
/* *
*
* Variables
*
* */
var index,
mainCanvas;
/* *
*
* Functions
*
* */
/**
* @private
*/
function allocateIfNotSeriesBoosting(renderer, series) {
var boost = series.boost;
if (renderer &&
boost &&
boost.target &&
boost.canvas &&
!isChartSeriesBoosting(series.chart)) {
renderer.allocateBufferForSingleSeries(series);
}
}
/**
* Return true if ths boost.enabled option is true
*
* @private
* @param {Highcharts.Chart} chart
* The chart
* @return {boolean}
* True, if boost is enabled.
*/
function boostEnabled(chart) {
return pick((chart &&
chart.options &&
chart.options.boost &&
chart.options.boost.enabled), true);
}
/**
* @private
*/
function compose(SeriesClass, seriesTypes, wglMode) {
if (composedClasses.indexOf(SeriesClass) === -1) {
composedClasses.push(SeriesClass);
addEvent(SeriesClass, 'destroy', onSeriesDestroy);
addEvent(SeriesClass, 'hide', onSeriesHide);
var seriesProto_1 = SeriesClass.prototype;
if (wglMode) {
seriesProto_1.renderCanvas = seriesRenderCanvas;
}
wrap(seriesProto_1, 'getExtremes', wrapSeriesGetExtremes);
wrap(seriesProto_1, 'processData', wrapSeriesProcessData);
wrap(seriesProto_1, 'searchPoint', wrapSeriesSearchPoint);
[
'translate',
'generatePoints',
'drawTracker',
'drawPoints',
'render'
].forEach(function (method) {
return wrapSeriesFunctions(seriesProto_1, seriesTypes, method);
});
}
if (composedClasses.indexOf(getOptions) === -1) {
composedClasses.push(getOptions);
var plotOptions_1 = getOptions().plotOptions;
// Set default options
Boostables.forEach(function (type) {
var typePlotOptions = plotOptions_1[type];
if (typePlotOptions) {
typePlotOptions.boostThreshold = 5000;
typePlotOptions.boostData = [];
seriesTypes[type].prototype.fillOpacity = true;
}
});
}
if (wglMode) {
var AreaSeries = seriesTypes.area,
AreaSplineSeries = seriesTypes.areaspline,
BubbleSeries = seriesTypes.bubble,
ColumnSeries = seriesTypes.column,
HeatmapSeries = seriesTypes.heatmap,
ScatterSeries = seriesTypes.scatter,
TreemapSeries = seriesTypes.treemap;
if (AreaSeries &&
composedClasses.indexOf(AreaSeries) === -1) {
composedClasses.push(AreaSeries);
extend(AreaSeries.prototype, {
fill: true,
fillOpacity: true,
sampling: true
});
}
if (AreaSplineSeries &&
composedClasses.indexOf(AreaSplineSeries) === -1) {
composedClasses.push(AreaSplineSeries);
extend(AreaSplineSeries.prototype, {
fill: true,
fillOpacity: true,
sampling: true
});
}
if (BubbleSeries &&
composedClasses.indexOf(BubbleSeries) === -1) {
composedClasses.push(BubbleSeries);
var bubbleProto_1 = BubbleSeries.prototype;
// By default, the bubble series does not use the KD-tree, so force
// it to.
delete bubbleProto_1.buildKDTree;
// seriesTypes.bubble.prototype.directTouch = false;
// Needed for markers to work correctly
wrap(bubbleProto_1, 'markerAttribs', function (proceed) {
if (this.boosted) {
return false;
}
return proceed.apply(this, [].slice.call(arguments, 1));
});
}
if (ColumnSeries &&
composedClasses.indexOf(ColumnSeries) === -1) {
composedClasses.push(ColumnSeries);
extend(ColumnSeries.prototype, {
fill: true,
sampling: true
});
}
if (ScatterSeries &&
composedClasses.indexOf(ScatterSeries) === -1) {
composedClasses.push(ScatterSeries);
ScatterSeries.prototype.fill = true;
}
// We need to handle heatmaps separatly, since we can't perform the
// size/color calculations in the shader easily.
// @todo This likely needs future optimization.
[HeatmapSeries, TreemapSeries].forEach(function (SC) {
if (SC && composedClasses.indexOf(SC) === -1) {
composedClasses.push(SC);
wrap(SC.prototype, 'drawPoints', wrapSeriesDrawPoints);
}
});
}
return SeriesClass;
}
/**
* Create a canvas + context and attach it to the target
*
* @private
* @function createAndAttachRenderer
*
* @param {Highcharts.Chart} chart
* the chart
*
* @param {Highcharts.Series} series
* the series
*
* @return {Highcharts.BoostGLRenderer}
* the canvas renderer
*/
function createAndAttachRenderer(chart, series) {
var ChartClass = chart.constructor,
targetGroup = chart.seriesGroup || series.group,
alpha = 1;
var width = chart.chartWidth,
height = chart.chartHeight,
target = chart,
foSupported = typeof SVGForeignObjectElement !== 'undefined';
if (isChartSeriesBoosting(chart)) {
target = chart;
}
else {
target = series;
}
var boost = target.boost =
target.boost ||
{};
// Support for foreignObject is flimsy as best.
// IE does not support it, and Chrome has a bug which messes up
// the canvas draw order.
// As such, we force the Image fallback for now, but leaving the
// actual Canvas path in-place in case this changes in the future.
foSupported = false;
if (!mainCanvas) {
mainCanvas = doc.createElement('canvas');
}
if (!boost.target) {
boost.canvas = mainCanvas;
// Fall back to image tag if foreignObject isn't supported,
// or if we're exporting.
if (chart.renderer.forExport || !foSupported) {
target.renderTarget = boost.target = chart.renderer.image('', 0, 0, width, height)
.addClass('highcharts-boost-canvas')
.add(targetGroup);
boost.clear = function () {
boost.target.attr({
// Insert a blank pixel (#17182)
/* eslint-disable-next-line max-len*/
href: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='
});
};
boost.copy = function () {
boost.resize();
boost.target.attr({
href: boost.canvas.toDataURL('image/png')
});
};
}
else {
boost.targetFo = chart.renderer
.createElement('foreignObject')
.add(targetGroup);
target.renderTarget = boost.target =
doc.createElement('canvas');
boost.targetCtx = boost.target.getContext('2d');
boost.targetFo.element.appendChild(boost.target);
boost.clear = function () {
boost.target.width = boost.canvas.width;
boost.target.height = boost.canvas.height;
};
boost.copy = function () {
boost.target.width = boost.canvas.width;
boost.target.height = boost.canvas.height;
boost.targetCtx.drawImage(boost.canvas, 0, 0);
};
}
boost.resize = function () {
width = chart.chartWidth;
height = chart.chartHeight;
(boost.targetFo || boost.target)
.attr({
x: 0,
y: 0,
width: width,
height: height
})
.css({
pointerEvents: 'none',
mixedBlendMode: 'normal',
opacity: alpha
});
if (target instanceof ChartClass) {
target.boost.markerGroup.translate(chart.plotLeft, chart.plotTop);
}
};
boost.clipRect = chart.renderer.clipRect();
(boost.targetFo || boost.target).clip(boost.clipRect);
if (target instanceof ChartClass) {
target.boost.markerGroup = target.renderer
.g()
.add(targetGroup)
.translate(series.xAxis.pos, series.yAxis.pos);
}
}
boost.canvas.width = width;
boost.canvas.height = height;
if (boost.clipRect) {
boost.clipRect.attr(getBoostClipRect(chart, target));
}
boost.resize();
boost.clear();
if (!boost.wgl) {
boost.wgl = new WGLRenderer(function (wgl) {
if (wgl.settings.debug.timeBufferCopy) {
console.time('buffer copy'); // eslint-disable-line no-console
}
boost.copy();
if (wgl.settings.debug.timeBufferCopy) {
console.timeEnd('buffer copy'); // eslint-disable-line no-console
}
});
if (!boost.wgl.init(boost.canvas)) {
// The OGL renderer couldn't be inited.
// This likely means a shader error as we wouldn't get to this point
// if there was no WebGL support.
error('[highcharts boost] - unable to init WebGL renderer');
}
// target.ogl.clear();
boost.wgl.setOptions(chart.options.boost || {});
if (target instanceof ChartClass) {
boost.wgl.allocateBuffer(chart);
}
}
boost.wgl.setSize(width, height);
return boost.wgl;
}
/**
* If implemented in the core, parts of this can probably be
* shared with other similar methods in Highcharts.
* @private
* @function Highcharts.Series#destroyGraphics
*/
function destroyGraphics(series) {
var points = series.points;
if (points) {
var point = void 0,
i = void 0;
for (i = 0; i < points.length; i = i + 1) {
point = points[i];
if (point && point.destroyElements) {
point.destroyElements(); // #7557
}
}
}
['graph', 'area', 'tracker'].forEach(function (prop) {
var seriesProp = series[prop];
if (seriesProp) {
series[prop] = seriesProp.destroy();
}
});
var zonesSeries = series;
if (zonesSeries.getZonesGraphs) {
var props = zonesSeries.getZonesGraphs([['graph', 'highcharts-graph']]);
props.forEach(function (prop) {
var zoneGraph = zonesSeries[prop[0]];
if (zoneGraph) {
zonesSeries[prop[0]] = zoneGraph.destroy();
}
});
}
}
/**
* An "async" foreach loop. Uses a setTimeout to keep the loop from blocking the
* UI thread.
*
* @private
* @param {Array<unknown>} arr
* The array to loop through.
* @param {Function} fn
* The callback to call for each item.
* @param {Function} finalFunc
* The callback to call when done.
* @param {number} [chunkSize]
* The number of iterations per timeout.
* @param {number} [i]
* The current index.
* @param {boolean} [noTimeout]
* Set to true to skip timeouts.
*/
function eachAsync(arr, fn, finalFunc, chunkSize, i, noTimeout) {
i = i || 0;
chunkSize = chunkSize || CHUNK_SIZE;
var threshold = i + chunkSize;
var proceed = true;
while (proceed && i < threshold && i < arr.length) {
proceed = fn(arr[i], i);
++i;
}
if (proceed) {
if (i < arr.length) {
if (noTimeout) {
eachAsync(arr, fn, finalFunc, chunkSize, i, noTimeout);
}
else if (win.requestAnimationFrame) {
// If available, do requestAnimationFrame - shaves off a few ms
win.requestAnimationFrame(function () {
eachAsync(arr, fn, finalFunc, chunkSize, i);
});
}
else {
setTimeout(eachAsync, 0, arr, fn, finalFunc, chunkSize, i);
}
}
else if (finalFunc) {
finalFunc();
}
}
}
/**
* Enter boost mode and apply boost-specific properties.
* @private
* @function Highcharts.Series#enterBoost
*/
function enterBoost(series) {
series.boost = series.boost || {
// faster than a series bind:
getPoint: (function (bp) { return getPoint(series, bp); })
};
var alteredByBoost = series.boost.altered = [];
// Save the original values, including whether it was an own
// property or inherited from the prototype.
['allowDG', 'directTouch', 'stickyTracking'].forEach(function (prop) {
alteredByBoost.push({
prop: prop,
val: series[prop],
own: Object.hasOwnProperty.call(series, prop)
});
});
series.allowDG = false;
series.directTouch = false;
series.stickyTracking = true;
// Prevent animation when zooming in on boosted series(#13421).
series.finishedAnimating = true;
// Hide series label if any
if (series.labelBySeries) {
series.labelBySeries = series.labelBySeries.destroy();
}
}
/**
* Exit from boost mode and restore non-boost properties.
* @private
* @function Highcharts.Series#exitBoost
*/
function exitBoost(series) {
var boost = series.boost;
// Reset instance properties and/or delete instance properties and go back
// to prototype
if (boost) {
(boost.altered || []).forEach(function (setting) {
if (setting.own) {
series[setting.prop] = setting.val;
}
else {
// Revert to prototype
delete series[setting.prop];
}
});
// Clear previous run
if (boost.clear) {
boost.clear();
}
}
}
/**
* @private
* @function Highcharts.Series#hasExtremes
*/
function hasExtremes(series, checkX) {
var options = series.options,
data = options.data,
xAxis = series.xAxis && series.xAxis.options,
yAxis = series.yAxis && series.yAxis.options,
colorAxis = series.colorAxis && series.colorAxis.options;
return data.length > (options.boostThreshold || Number.MAX_VALUE) &&
// Defined yAxis extremes
isNumber(yAxis.min) &&
isNumber(yAxis.max) &&
// Defined (and required) xAxis extremes
(!checkX ||
(isNumber(xAxis.min) && isNumber(xAxis.max))) &&
// Defined (e.g. heatmap) colorAxis extremes
(!colorAxis ||
(isNumber(colorAxis.min) && isNumber(colorAxis.max)));
}
/**
* Extend series.destroy to also remove the fake k-d-tree points (#5137).
* Normally this is handled by Series.destroy that calls Point.destroy,
* but the fake search points are not registered like that.
* @private
*/
function onSeriesDestroy() {
var series = this,
chart = series.chart;
if (chart.boost &&
chart.boost.markerGroup === series.markerGroup) {
series.markerGroup = null;
}
if (chart.hoverPoints) {
chart.hoverPoints = chart.hoverPoints.filter(function (point) {
return point.series === series;
});
}
if (chart.hoverPoint && chart.hoverPoint.series === series) {
chart.hoverPoint = null;
}
}
/**
* @private
*/
function onSeriesHide() {
var boost = this.boost;
if (boost && boost.canvas && boost.target) {
if (boost.wgl) {
boost.wgl.clear();
}
if (boost.clear) {
boost.clear();
}
}
}
/**
* Performs the actual render if the renderer is
* attached to the series.
* @private
*/
function renderIfNotSeriesBoosting(series) {
var boost = series.boost;
if (boost &&
boost.canvas &&
boost.target &&
boost.wgl &&
!isChartSeriesBoosting(series.chart)) {
boost.wgl.render(series.chart);
}
}
/**
* Return a full Point object based on the index.
* The boost module uses stripped point objects for performance reasons.
* @private
* @param {object|Highcharts.Point} boostPoint
* A stripped-down point object
* @return {Highcharts.Point}
* A Point object as per https://api.highcharts.com/highcharts#Point
*/
function getPoint(series, boostPoint) {
var seriesOptions = series.options,
xAxis = series.xAxis,
PointClass = series.pointClass;
if (boostPoint instanceof PointClass) {
return boostPoint;
}
var xData = (series.xData ||
seriesOptions.xData ||
series.processedXData ||
false),
point = (new PointClass()).init(series,
series.options.data[boostPoint.i],
xData ? xData[boostPoint.i] : void 0);
point.category = pick(xAxis.categories ?
xAxis.categories[point.x] :
point.x, // @todo simplify
point.x);
point.dist = boostPoint.dist;
point.distX = boostPoint.distX;
point.plotX = boostPoint.plotX;
point.plotY = boostPoint.plotY;
point.index = boostPoint.i;
point.percentage = boostPoint.percentage;
point.isInside = series.isPointInside(point);
return point;
}
/**
* @private
* @function Highcharts.Series#renderCanvas
*/
function seriesRenderCanvas() {
var _this = this;
var options = this.options || {}, chart = this.chart, xAxis = this.xAxis, yAxis = this.yAxis, xData = options.xData || this.processedXData, yData = options.yData || this.processedYData, rawData = options.data, xExtremes = xAxis.getExtremes(), xMin = xExtremes.min, xMax = xExtremes.max, yExtremes = yAxis.getExtremes(), yMin = yExtremes.min, yMax = yExtremes.max, pointTaken = {}, sampling = !!this.sampling, enableMouseTracking = options.enableMouseTracking !== false, threshold = options.threshold, isRange = this.pointArrayMap &&
this.pointArrayMap.join(',') === 'low,high', isStacked = !!options.stacking, cropStart = this.cropStart || 0, requireSorting = this.requireSorting, useRaw = !xData, compareX = options.findNearestPointBy === 'x', xDataFull = (this.xData ||
this.options.xData ||
this.processedXData ||
false);
var renderer = false,
lastClientX,
yBottom = yAxis.getThreshold(threshold),
minVal,
maxVal,
minI,
maxI;
// Get or create the renderer
renderer = createAndAttachRenderer(chart, this);
chart.boosted = true;
if (!this.visible) {
return;
}
// If we are zooming out from SVG mode, destroy the graphics
if (this.points || this.graph) {
destroyGraphics(this);
}
// If we're rendering per. series we should create the marker groups
// as usual.
if (!isChartSeriesBoosting(chart)) {
// If all series were boosting, but are not anymore
// restore private markerGroup
if (chart.boost &&
this.markerGroup === chart.boost.markerGroup) {
this.markerGroup = void 0;
}
this.markerGroup = this.plotGroup('markerGroup', 'markers', true, 1, chart.seriesGroup);
}
else {
// If series has a private markeGroup, remove that
// and use common markerGroup
if (this.markerGroup &&
this.markerGroup !== chart.boost.markerGroup) {
this.markerGroup.destroy();
}
// Use a single group for the markers
this.markerGroup = chart.boost.markerGroup;
// When switching from chart boosting mode, destroy redundant
// series boosting targets
if (this.boost && this.boost.target) {
this.renderTarget = this.boost.target = this.boost.target.destroy();
}
}
var points = this.points = [],
addKDPoint = function (clientX,
plotY,
i,
percentage) {
// We need to do ceil on the clientX to make things
// snap to pixel values. The renderer will frequently
// draw stuff on "sub-pixels".
clientX = Math.ceil(clientX);
// Shaves off about 60ms compared to repeated concatenation
index = compareX ? clientX : clientX + ',' + plotY;
// The k-d tree requires series points.
// Reduce the amount of points, since the time to build the
// tree increases exponentially.
if (enableMouseTracking && !pointTaken[index]) {
pointTaken[index] = true;
if (chart.inverted) {
clientX = xAxis.len - clientX;
plotY = yAxis.len - plotY;
}
points.push({
x: xDataFull ? xDataFull[cropStart + i] : false,
clientX: clientX,
plotX: clientX,
plotY: plotY,
i: cropStart + i,
percentage: percentage
});
}
};
// Do not start building while drawing
this.buildKDTree = noop;
if (renderer) {
allocateIfNotSeriesBoosting(renderer, this);
renderer.pushSeries(this);
// Perform the actual renderer if we're on series level
renderIfNotSeriesBoosting(this);
}
/**
* This builds the KD-tree
* @private
*/
function processPoint(d, i) {
var chartDestroyed = typeof chart.index === 'undefined';
var x,
y,
clientX,
plotY,
percentage,
low = false,
isYInside = true;
if (typeof d === 'undefined') {
return true;
}
if (!chartDestroyed) {
if (useRaw) {
x = d[0];
y = d[1];
}
else {
x = d;
y = yData[i];
}
// Resolve low and high for range series
if (isRange) {
if (useRaw) {
y = d.slice(1, 3);
}
low = y[0];
y = y[1];
}
else if (isStacked) {
x = d.x;
y = d.stackY;
low = y - d.y;
percentage = d.percentage;
}
// Optimize for scatter zooming
if (!requireSorting) {
isYInside = (y || 0) >= yMin && y <= yMax;
}
if (y !== null && x >= xMin && x <= xMax && isYInside) {
clientX = xAxis.toPixels(x, true);
if (sampling) {
if (typeof minI === 'undefined' ||
clientX === lastClientX) {
if (!isRange) {
low = y;
}
if (typeof maxI === 'undefined' ||
y > maxVal) {
maxVal = y;
maxI = i;
}
if (typeof minI === 'undefined' ||
low < minVal) {
minVal = low;
minI = i;
}
}
// Add points and reset
if (!compareX || clientX !== lastClientX) {
// maxI is number too:
if (typeof minI !== 'undefined') {
plotY =
yAxis.toPixels(maxVal, true);
yBottom =
yAxis.toPixels(minVal, true);
addKDPoint(clientX, plotY, maxI, percentage);
if (yBottom !== plotY) {
addKDPoint(clientX, yBottom, minI, percentage);
}
}
minI = maxI = void 0;
lastClientX = clientX;
}
}
else {
plotY = Math.ceil(yAxis.toPixels(y, true));
addKDPoint(clientX, plotY, i, percentage);
}
}
}
return !chartDestroyed;
}
/**
* @private
*/
var boostOptions = renderer.settings,
doneProcessing = function () {
fireEvent(_this, 'renderedCanvas');
// Go back to prototype, ready to build
delete _this.buildKDTree;
_this.buildKDTree();
if (boostOptions.debug.timeKDTree) {
console.timeEnd('kd tree building'); // eslint-disable-line no-console
}
};
// Loop over the points to build the k-d tree - skip this if
// exporting
if (!chart.renderer.forExport) {
if (boostOptions.debug.timeKDTree) {
console.time('kd tree building'); // eslint-disable-line no-console
}
eachAsync(isStacked ? this.data : (xData || rawData), processPoint, doneProcessing);
}
}
/**
* Used for treemap|heatmap.drawPoints
* @private
*/
function wrapSeriesDrawPoints(proceed) {
var enabled = true;
if (this.chart.options && this.chart.options.boost) {
enabled = typeof this.chart.options.boost.enabled === 'undefined' ?
true :
this.chart.options.boost.enabled;
}
if (!enabled || !this.boosted) {
return proceed.call(this);
}
this.chart.boosted = true;
// Make sure we have a valid OGL context
var renderer = createAndAttachRenderer(this.chart,
this);
if (renderer) {
allocateIfNotSeriesBoosting(renderer, this);
renderer.pushSeries(this);
}
renderIfNotSeriesBoosting(this);
}
/**
* Override a bunch of methods the same way. If the number of points is
* below the threshold, run the original method. If not, check for a
* canvas version or do nothing.
*
* Note that we're not overriding any of these for heatmaps.
*/
function wrapSeriesFunctions(seriesProto, seriesTypes, method) {
/**
* @private
*/
function branch(proceed) {
var letItPass = this.options.stacking &&
(method === 'translate' || method === 'generatePoints');
if (!this.boosted ||
letItPass ||
!boostEnabled(this.chart) ||
this.type === 'heatmap' ||
this.type === 'treemap' ||
!BoostableMap[this.type] ||
this.options.boostThreshold === 0) {
proceed.call(this);
// Run canvas version of method, like renderCanvas(), if it exists
}
else if (method === 'render' && this.renderCanvas) {
this.renderCanvas();
}
}
wrap(seriesProto, method, branch);
// Special case for some types, when translate method is already wrapped
if (method === 'translate') {
[
'column',
'arearange',
'columnrange',
'heatmap',
'treemap'
].forEach(function (type) {
if (seriesTypes[type]) {
wrap(seriesTypes[type].prototype, method, branch);
}
});
}
}
/**
* Do not compute extremes when min and max are set. If we use this in the
* core, we can add the hook to hasExtremes to the methods directly.
* @private
*/
function wrapSeriesGetExtremes(proceed) {
if (this.boosted &&
hasExtremes(this)) {
return {};
}
return proceed.apply(this, [].slice.call(arguments, 1));
}
/**
* If the series is a heatmap or treemap, or if the series is not boosting
* do the default behaviour. Otherwise, process if the series has no
* extremes.
* @private
*/
function wrapSeriesProcessData(proceed) {
var _this = this;
var dataToMeasure = this.options.data;
/**
* Used twice in this function, first on this.options.data, the second
* time it runs the check again after processedXData is built.
* If the data is going to be grouped, the series shouldn't be boosted.
* @private
*/
var getSeriesBoosting = function (data) {
var series = _this;
// Check if will be grouped.
if (series.forceCrop) {
return false;
}
return (isChartSeriesBoosting(series.chart) ||
((data ? data.length : 0) >=
(series.options.boostThreshold || Number.MAX_VALUE)));
};
if (boostEnabled(this.chart) && BoostableMap[this.type]) {
var series = this;
// If there are no extremes given in the options, we also need to
// process the data to read the data extremes. If this is a heatmap,
// do default behaviour.
if (
// First pass with options.data:
!getSeriesBoosting(dataToMeasure) ||
series.type === 'heatmap' ||
series.type === 'treemap' ||
// processedYData for the stack (#7481):
series.options.stacking ||
!hasExtremes(series, true)) {
proceed.apply(series, [].slice.call(arguments, 1));
dataToMeasure = series.processedXData;
}
// Set the isBoosting flag, second pass with processedXData to
// see if we have zoomed.
series.boosted = getSeriesBoosting(dataToMeasure);
// Enter or exit boost mode
if (series.boosted) {
// Force turbo-mode:
var firstPoint = void 0;
if (series.options.data &&
series.options.data.length) {
firstPoint = series.getFirstValidPoint(series.options.data);
if (!isNumber(firstPoint) && !isArray(firstPoint)) {
error(12, false, series.chart);
}
}
enterBoost(series);
}
else {
exitBoost(series);
}
// The series type is not boostable
}
else {
proceed.apply(this, [].slice.call(arguments, 1));
}
}
/**
* Return a point instance from the k-d-tree
* @private
*/
function wrapSeriesSearchPoint(proceed) {
var result = proceed.apply(this,
[].slice.call(arguments, 1));
if (this.boost && result) {
return this.boost.getPoint(result);
}
return result;
}
/* *
*
* Default Export
*
* */
var BoostSeries = {
compose: compose,
destroyGraphics: destroyGraphics,
getPoint: getPoint
};
return BoostSeries;
});
_registerModule(_modules, 'Extensions/BoostCanvas.js', [_modules['Extensions/Boost/BoostChart.js'], _modules['Extensions/Boost/BoostSeries.js'], _modules['Core/Chart/Chart.js'], _modules['Core/Color/Color.js'], _modules['Core/Globals.js'], _modules['Core/Series/Series.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (BoostChart, BoostSeries, Chart, Color, H, Series, SeriesRegistry, U) {
/* *
*
* License: www.highcharts.com/license
* Author: Torstein Honsi, Christer Vasseng
*
* This module serves as a fallback for the Boost module in IE9 and IE10. Newer
* browsers support WebGL which is faster.
*
* It is recommended to include this module in conditional comments targeting
* IE9 and IE10.
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var getBoostClipRect = BoostChart.getBoostClipRect,
isChartSeriesBoosting = BoostChart.isChartSeriesBoosting;
var destroyGraphics = BoostSeries.destroyGraphics;
var color = Color.parse;
var doc = H.doc,
noop = H.noop;
var seriesTypes = SeriesRegistry.seriesTypes;
var addEvent = U.addEvent,
extend = U.extend,
fireEvent = U.fireEvent,
isNumber = U.isNumber,
merge = U.merge,
pick = U.pick,
wrap = U.wrap;
// Use a blank pixel for clearing canvas (#17182)
var b64BlankPixel = (
/* eslint-disable-next-line max-len */
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=');
var CHUNK_SIZE = 50000,
destroyLoadingDiv;
/* eslint-disable no-invalid-this, valid-jsdoc */
/**
* Initialize the canvas boost.
*
* @function Highcharts.initCanvasBoost
*/
var initCanvasBoost = function () {
if (H.seriesTypes.heatmap) {
wrap(H.seriesTypes.heatmap.prototype, 'drawPoints',
function () {
var chart = this.chart,
ctx = this.getContext(),
inverted = this.chart.inverted,
xAxis = this.xAxis,
yAxis = this.yAxis;
if (ctx) {
// draw the columns
this.points.forEach(function (point) {
var plotY = point.plotY,
pointAttr;
if (typeof plotY !== 'undefined' &&
!isNaN(plotY) &&
point.y !== null &&
ctx) {
var _a = point.shapeArgs || {},
_b = _a.x,
x = _b === void 0 ? 0 : _b,
_c = _a.y,
y = _c === void 0 ? 0 : _c,
_d = _a.width,
width = _d === void 0 ? 0 : _d,
_e = _a.height,
height = _e === void 0 ? 0 : _e;
if (!chart.styledMode) {
pointAttr = point.series.pointAttribs(point);
}
else {
pointAttr = point.series.colorAttribs(point);
}
ctx.fillStyle = pointAttr.fill;
if (inverted) {
ctx.fillRect(yAxis.len - y + xAxis.left, xAxis.len - x + yAxis.top, -height, -width);
}
else {
ctx.fillRect(x + xAxis.left, y + yAxis.top, width, height);
}
}
});
this.canvasToSVG();
}
else {
this.chart.showLoading('Your browser doesn\'t support HTML5 canvas, <br>' +
'please use a modern browser');
// Uncomment this to provide low-level (slow) support in oldIE.
// It will cause script errors on charts with more than a few
// thousand points.
// arguments[0].call(this);
}
});
}
extend(Series.prototype, {
/**
* Create a hidden canvas to draw the graph on. The contents is later
* copied over to an SVG image element.
*
* @private
* @function Highcharts.Series#getContext
*/
getContext: function () {
var chart = this.chart,
target = isChartSeriesBoosting(chart) ? chart : this,
targetGroup = (target === chart ?
chart.seriesGroup :
chart.seriesGroup || this.group);
var width = chart.chartWidth,
height = chart.chartHeight,
ctx,
swapXY = function (proceed,
x,
y,
a,
b,
c,
d) {
proceed.call(this,
y,
x,
a,
b,
c,
d);
};
var boost = target.boost =
target.boost ||
{};
ctx = boost.targetCtx;
if (!boost.canvas) {
boost.canvas = doc.createElement('canvas');
boost.target = chart.renderer
.image('', 0, 0, width, height)
.addClass('highcharts-boost-canvas')
.add(targetGroup);
ctx = boost.targetCtx =
boost.canvas.getContext('2d');
if (chart.inverted) {
['moveTo', 'lineTo', 'rect', 'arc'].forEach(function (fn) {
wrap(ctx, fn, swapXY);
});
}
boost.copy = function () {
boost.target.attr({
href: boost.canvas.toDataURL('image/png')
});
};
boost.clear = function () {
ctx.clearRect(0, 0, boost.canvas.width, boost.canvas.height);
if (target === boost.target) {
boost.target.attr({
href: b64BlankPixel
});
}
};
boost.clipRect = chart.renderer.clipRect();
boost.target.clip(boost.clipRect);
}
else if (!(target instanceof Chart)) {
// ctx.clearRect(0, 0, width, height);
}
if (boost.canvas.width !== width) {
boost.canvas.width = width;
}
if (boost.canvas.height !== height) {
boost.canvas.height = height;
}
boost.target.attr({
x: 0,
y: 0,
width: width,
height: height,
style: 'pointer-events: none',
href: b64BlankPixel
});
if (boost.clipRect) {
boost.clipRect.attr(getBoostClipRect(chart, target));
}
return ctx;
},
/**
* Draw the canvas image inside an SVG image
*
* @private
* @function Highcharts.Series#canvasToSVG
*/
canvasToSVG: function () {
if (!isChartSeriesBoosting(this.chart)) {
if (this.boost && this.boost.copy) {
this.boost.copy();
}
else if (this.chart.boost && this.chart.boost.copy) {
this.chart.boost.copy();
}
}
else if (this.boost && this.boost.clear) {
this.boost.clear();
}
},
cvsLineTo: function (ctx, clientX, plotY) {
ctx.lineTo(clientX, plotY);
},
renderCanvas: function () {
var series = this, options = series.options, chart = series.chart, xAxis = this.xAxis, yAxis = this.yAxis, activeBoostSettings = chart.options.boost || {}, boostSettings = {
timeRendering: activeBoostSettings.timeRendering || false,
timeSeriesProcessing: activeBoostSettings.timeSeriesProcessing || false,
timeSetup: activeBoostSettings.timeSetup || false
}, ctx, c = 0, xData = series.processedXData, yData = series.processedYData, rawData = options.data, xExtremes = xAxis.getExtremes(), xMin = xExtremes.min, xMax = xExtremes.max, yExtremes = yAxis.getExtremes(), yMin = yExtremes.min, yMax = yExtremes.max, pointTaken = {}, lastClientX, sampling = !!series.sampling, points, r = options.marker && options.marker.radius, cvsDrawPoint = this.cvsDrawPoint, cvsLineTo = options.lineWidth ? this.cvsLineTo : void 0, cvsMarker = (r && r <= 1 ?
this.cvsMarkerSquare :
this.cvsMarkerCircle), strokeBatch = this.cvsStrokeBatch || 1000, enableMouseTracking = options.enableMouseTracking !== false, lastPoint, threshold = options.threshold, yBottom = yAxis.getThreshold(threshold), hasThreshold = isNumber(threshold), translatedThreshold = yBottom, doFill = this.fill, isRange = (series.pointArrayMap &&
series.pointArrayMap.join(',') === 'low,high'), isStacked = !!options.stacking, cropStart = series.cropStart || 0, loadingOptions = chart.options.loading, requireSorting = series.requireSorting, wasNull, connectNulls = options.connectNulls, useRaw = !xData, minVal, maxVal, minI, maxI, index, sdata = (isStacked ?
series.data :
(xData || rawData)), fillColor = (series.fillOpacity ?
Color.parse(series.color).setOpacity(pick(options.fillOpacity, 0.75)).get() :
series.color),
//
stroke = function () {
if (doFill) {
ctx.fillStyle = fillColor;
ctx.fill();
}
else {
ctx.strokeStyle = series.color;
ctx.lineWidth = options.lineWidth;
ctx.stroke();
}
},
//
drawPoint = function (clientX, plotY, yBottom, i) {
if (c === 0) {
ctx.beginPath();
if (cvsLineTo) {
ctx.lineJoin = 'round';
}
}
if (chart.scroller &&
series.options.className ===
'highcharts-navigator-series') {
plotY += chart.scroller.top;
if (yBottom) {
yBottom += chart.scroller.top;
}
}
else {
plotY += chart.plotTop;
}
clientX += chart.plotLeft;
if (wasNull) {
ctx.moveTo(clientX, plotY);
}
else {
if (cvsDrawPoint) {
cvsDrawPoint(ctx, clientX, plotY, yBottom, lastPoint);
}
else if (cvsLineTo) {
cvsLineTo(ctx, clientX, plotY);
}
else if (cvsMarker) {
cvsMarker.call(series, ctx, clientX, plotY, r, i);
}
}
// We need to stroke the line for every 1000 pixels. It will
// crash the browser memory use if we stroke too
// infrequently.
c = c + 1;
if (c === strokeBatch) {
stroke();
c = 0;
}
// Area charts need to keep track of the last point
lastPoint = {
clientX: clientX,
plotY: plotY,
yBottom: yBottom
};
},
//
compareX = options.findNearestPointBy === 'x',
//
xDataFull = (this.xData ||
this.options.xData ||
this.processedXData ||
false),
//
addKDPoint = function (clientX, plotY, i) {
// Shaves off about 60ms compared to repeated concatenation
index = compareX ? clientX : clientX + ',' + plotY;
// The k-d tree requires series points.
// Reduce the amount of points, since the time to build the
// tree increases exponentially.
if (enableMouseTracking && !pointTaken[index]) {
pointTaken[index] = true;
if (chart.inverted) {
clientX = xAxis.len - clientX;
plotY = yAxis.len - plotY;
}
points.push({
x: xDataFull ?
xDataFull[cropStart + i] :
false,
clientX: clientX,
plotX: clientX,
plotY: plotY,
i: cropStart + i
});
}
}, boost = this.boost || {};
if (boost.target) {
boost.target.attr({ href: b64BlankPixel });
}
// If we are zooming out from SVG mode, destroy the graphics
if (this.points || this.graph) {
destroyGraphics(this);
}
// The group
series.plotGroup('group', 'series', series.visible ? 'visible' : 'hidden', options.zIndex, chart.seriesGroup);
series.markerGroup = series.group;
addEvent(series, 'destroy', function () {
// Prevent destroy twice
series.markerGroup = null;
});
points = this.points = [];
ctx = this.getContext();
series.buildKDTree = noop; // Do not start building while drawing
if (boost.clear) {
boost.clear();
}
// if (this.canvas) {
// ctx.clearRect(
// 0,
// 0,
// this.canvas.width,
// this.canvas.height
// );
// }
if (!this.visible) {
return;
}
// Display a loading indicator
if (rawData.length > 99999) {
chart.options.loading = merge(loadingOptions, {
labelStyle: {
backgroundColor: color("#ffffff" /* Palette.backgroundColor */).setOpacity(0.75).get(),
padding: '1em',
borderRadius: '0.5em'
},
style: {
backgroundColor: 'none',
opacity: 1
}
});
U.clearTimeout(destroyLoadingDiv);
chart.showLoading('Drawing...');
chart.options.loading = loadingOptions; // reset
}
if (boostSettings.timeRendering) {
console.time('canvas rendering'); // eslint-disable-line no-console
}
// Loop over the points
H.eachAsync(sdata, function (d, i) {
var x,
y,
clientX,
plotY,
isNull,
low,
isNextInside = false,
isPrevInside = false,
nx = false,
px = false,
chartDestroyed = typeof chart.index === 'undefined',
isYInside = true;
if (!chartDestroyed) {
if (useRaw) {
x = d[0];
y = d[1];
if (sdata[i + 1]) {
nx = sdata[i + 1][0];
}
if (sdata[i - 1]) {
px = sdata[i - 1][0];
}
}
else {
x = d;
y = yData[i];
if (sdata[i + 1]) {
nx = sdata[i + 1];
}
if (sdata[i - 1]) {
px = sdata[i - 1];
}
}
if (nx && nx >= xMin && nx <= xMax) {
isNextInside = true;
}
if (px && px >= xMin && px <= xMax) {
isPrevInside = true;
}
// Resolve low and high for range series
if (isRange) {
if (useRaw) {
y = d.slice(1, 3);
}
low = y[0];
y = y[1];
}
else if (isStacked) {
x = d.x;
y = d.stackY;
low = y - d.y;
}
isNull = y === null;
// Optimize for scatter zooming
if (!requireSorting) {
isYInside = y >= yMin && y <= yMax;
}
if (!isNull &&
((x >= xMin && x <= xMax && isYInside) ||
(isNextInside || isPrevInside))) {
clientX = Math.round(xAxis.toPixels(x, true));
if (sampling) {
if (typeof minI === 'undefined' ||
clientX === lastClientX) {
if (!isRange) {
low = y;
}
if (typeof maxI === 'undefined' || y > maxVal) {
maxVal = y;
maxI = i;
}
if (typeof minI === 'undefined' ||
low < minVal) {
minVal = low;
minI = i;
}
}
// Add points and reset
if (clientX !== lastClientX) {
// maxI also a number:
if (typeof minI !== 'undefined') {
plotY = yAxis.toPixels(maxVal, true);
yBottom = yAxis.toPixels(minVal, true);
drawPoint(clientX, hasThreshold ?
Math.min(plotY, translatedThreshold) : plotY, hasThreshold ?
Math.max(yBottom, translatedThreshold) : yBottom, i);
addKDPoint(clientX, plotY, maxI);
if (yBottom !== plotY) {
addKDPoint(clientX, yBottom, minI);
}
}
minI = maxI = void 0;
lastClientX = clientX;
}
}
else {
plotY = Math.round(yAxis.toPixels(y, true));
drawPoint(clientX, plotY, yBottom, i);
addKDPoint(clientX, plotY, i);
}
}
wasNull = isNull && !connectNulls;
if (i % CHUNK_SIZE === 0) {
if (series.boost &&
series.boost.copy) {
series.boost.copy();
}
else if (series.chart.boost &&
series.chart.boost.copy) {
series.chart.boost.copy();
}
}
}
return !chartDestroyed;
}, function () {
var loadingDiv = chart.loadingDiv,
loadingShown = chart.loadingShown;
stroke();
// if (series.boostCopy || series.chart.boostCopy) {
// (series.boostCopy || series.chart.boostCopy)();
// }
series.canvasToSVG();
if (boostSettings.timeRendering) {
console.timeEnd('canvas rendering'); // eslint-disable-line no-console
}
fireEvent(series, 'renderedCanvas');
// Do not use chart.hideLoading, as it runs JS animation and
// will be blocked by buildKDTree. CSS animation looks good, but
// then it must be deleted in timeout. If we add the module to
// core, change hideLoading so we can skip this block.
if (loadingShown) {
extend(loadingDiv.style, {
transition: 'opacity 250ms',
opacity: 0
});
chart.loadingShown = false;
destroyLoadingDiv = setTimeout(function () {
if (loadingDiv.parentNode) { // In exporting it is falsy
loadingDiv.parentNode.removeChild(loadingDiv);
}
chart.loadingDiv = chart.loadingSpan = null;
}, 250);
}
// Go back to prototype, ready to build
delete series.buildKDTree;
series.buildKDTree();
// Don't do async on export, the exportChart, getSVGForExport and
// getSVG methods are not chained for it.
}, chart.renderer.forExport ? Number.MAX_VALUE : void 0);
}
});
seriesTypes.scatter.prototype.cvsMarkerCircle = function (ctx, clientX, plotY, r) {
ctx.moveTo(clientX, plotY);
ctx.arc(clientX, plotY, r, 0, 2 * Math.PI, false);
};
// Rect is twice as fast as arc, should be used for small markers
seriesTypes.scatter.prototype.cvsMarkerSquare = function (ctx, clientX, plotY, r) {
ctx.rect(clientX - r, plotY - r, r * 2, r * 2);
};
seriesTypes.scatter.prototype.fill = true;
if (seriesTypes.bubble) {
seriesTypes.bubble.prototype.cvsMarkerCircle = function (ctx, clientX, plotY, r, i) {
ctx.moveTo(clientX, plotY);
ctx.arc(clientX, plotY, this.radii && this.radii[i], 0, 2 * Math.PI, false);
};
seriesTypes.bubble.prototype.cvsStrokeBatch = 1;
}
extend(seriesTypes.area.prototype, {
cvsDrawPoint: function (ctx, clientX, plotY, yBottom, lastPoint) {
if (lastPoint && clientX !== lastPoint.clientX) {
ctx.moveTo(lastPoint.clientX, lastPoint.yBottom);
ctx.lineTo(lastPoint.clientX, lastPoint.plotY);
ctx.lineTo(clientX, plotY);
ctx.lineTo(clientX, yBottom);
}
},
fill: true,
fillOpacity: true,
sampling: true
});
extend(seriesTypes.column.prototype, {
cvsDrawPoint: function (ctx, clientX, plotY, yBottom) {
ctx.rect(clientX - 1, plotY, 1, yBottom - plotY);
},
fill: true,
sampling: true
});
Chart.prototype.callbacks.push(function (chart) {
/**
* @private
*/
function canvasToSVG() {
if (chart.boost && chart.boost.copy) {
chart.boost.copy();
}
}
/**
* @private
*/
function clear() {
var boost = this.boost || {};
if (boost.target) {
boost.target.attr({ href: b64BlankPixel });
}
if (boost.canvas) {
boost.canvas.getContext('2d').clearRect(0, 0, boost.canvas.width, boost.canvas.height);
}
}
addEvent(chart, 'predraw', clear);
addEvent(chart, 'render', canvasToSVG);
});
};
return initCanvasBoost;
});
_registerModule(_modules, 'Extensions/Boost/NamedColors.js', [], function () {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* *
*
* Constants
*
* */
// Register color names since GL can't render those directly.
// TODO: When supporting modern syntax, make this a named export
var defaultHTMLColorMap = {
aliceblue: '#f0f8ff',
antiquewhite: '#faebd7',
aqua: '#00ffff',
aquamarine: '#7fffd4',
azure: '#f0ffff',
beige: '#f5f5dc',
bisque: '#ffe4c4',
blanchedalmond: '#ffebcd',
blue: '#0000ff',
blueviolet: '#8a2be2',
brown: '#a52a2a',
burlywood: '#deb887',
cadetblue: '#5f9ea0',
chartreuse: '#7fff00',
chocolate: '#d2691e',
coral: '#ff7f50',
cornflowerblue: '#6495ed',
cornsilk: '#fff8dc',
crimson: '#dc143c',
cyan: '#00ffff',
darkblue: '#00008b',
darkcyan: '#008b8b',
darkgoldenrod: '#b8860b',
darkgray: '#a9a9a9',
darkgreen: '#006400',
darkkhaki: '#bdb76b',
darkmagenta: '#8b008b',
darkolivegreen: '#556b2f',
darkorange: '#ff8c00',
darkorchid: '#9932cc',
darkred: '#8b0000',
darksalmon: '#e9967a',
darkseagreen: '#8fbc8f',
darkslateblue: '#483d8b',
darkslategray: '#2f4f4f',
darkturquoise: '#00ced1',
darkviolet: '#9400d3',
deeppink: '#ff1493',
deepskyblue: '#00bfff',
dimgray: '#696969',
dodgerblue: '#1e90ff',
feldspar: '#d19275',
firebrick: '#b22222',
floralwhite: '#fffaf0',
forestgreen: '#228b22',
fuchsia: '#ff00ff',
gainsboro: '#dcdcdc',
ghostwhite: '#f8f8ff',
gold: '#ffd700',
goldenrod: '#daa520',
gray: '#808080',
grey: '#808080',
green: '#008000',
greenyellow: '#adff2f',
honeydew: '#f0fff0',
hotpink: '#ff69b4',
indianred: '#cd5c5c',
indigo: '#4b0082',
ivory: '#fffff0',
khaki: '#f0e68c',
lavender: '#e6e6fa',
lavenderblush: '#fff0f5',
lawngreen: '#7cfc00',
lemonchiffon: '#fffacd',
lightblue: '#add8e6',
lightcoral: '#f08080',
lightcyan: '#e0ffff',
lightgoldenrodyellow: '#fafad2',
lightgrey: '#d3d3d3',
lightgreen: '#90ee90',
lightpink: '#ffb6c1',
lightsalmon: '#ffa07a',
lightseagreen: '#20b2aa',
lightskyblue: '#87cefa',
lightslateblue: '#8470ff',
lightslategray: '#778899',
lightsteelblue: '#b0c4de',
lightyellow: '#ffffe0',
lime: '#00ff00',
limegreen: '#32cd32',
linen: '#faf0e6',
magenta: '#ff00ff',
maroon: '#800000',
mediumaquamarine: '#66cdaa',
mediumblue: '#0000cd',
mediumorchid: '#ba55d3',
mediumpurple: '#9370d8',
mediumseagreen: '#3cb371',
mediumslateblue: '#7b68ee',
mediumspringgreen: '#00fa9a',
mediumturquoise: '#48d1cc',
mediumvioletred: '#c71585',
midnightblue: '#191970',
mintcream: '#f5fffa',
mistyrose: '#ffe4e1',
moccasin: '#ffe4b5',
navajowhite: '#ffdead',
navy: '#000080',
oldlace: '#fdf5e6',
olive: '#808000',
olivedrab: '#6b8e23',
orange: '#ffa500',
orangered: '#ff4500',
orchid: '#da70d6',
palegoldenrod: '#eee8aa',
palegreen: '#98fb98',
paleturquoise: '#afeeee',
palevioletred: '#d87093',
papayawhip: '#ffefd5',
peachpuff: '#ffdab9',
peru: '#cd853f',
pink: '#ffc0cb',
plum: '#dda0dd',
powderblue: '#b0e0e6',
purple: '#800080',
red: '#ff0000',
rosybrown: '#bc8f8f',
royalblue: '#4169e1',
saddlebrown: '#8b4513',
salmon: '#fa8072',
sandybrown: '#f4a460',
seagreen: '#2e8b57',
seashell: '#fff5ee',
sienna: '#a0522d',
silver: '#c0c0c0',
skyblue: '#87ceeb',
slateblue: '#6a5acd',
slategray: '#708090',
snow: '#fffafa',
springgreen: '#00ff7f',
steelblue: '#4682b4',
tan: '#d2b48c',
teal: '#008080',
thistle: '#d8bfd8',
tomato: '#ff6347',
turquoise: '#40e0d0',
violet: '#ee82ee',
violetred: '#d02090',
wheat: '#f5deb3',
whitesmoke: '#f5f5f5',
yellow: '#ffff00',
yellowgreen: '#9acd32'
};
/* *
*
* Default Export
*
* */
var namedColors = {
defaultHTMLColorMap: defaultHTMLColorMap
};
return namedColors;
});
_registerModule(_modules, 'Extensions/Boost/Boost.js', [_modules['Extensions/Boost/BoostChart.js'], _modules['Extensions/Boost/BoostSeries.js'], _modules['Core/Globals.js'], _modules['Extensions/BoostCanvas.js'], _modules['Extensions/Boost/NamedColors.js'], _modules['Core/Utilities.js']], function (BoostChart, BoostSeries, H, initCanvasBoost, NamedColors, U) {
/* *
*
* Copyright (c) 2019-2021 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s,
i = 1,
n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var win = H.win,
doc = H.doc;
var error = U.error;
/* *
*
* Constants
*
* */
var composedClasses = [];
var contexts = [
'webgl',
'experimental-webgl',
'moz-webgl',
'webkit-3d'
];
/* *
*
* Functions
*
* */
/**
* @private
*/
function compose(ChartClass, SeriesClass, seriesTypes, ColorClass) {
var wglMode = hasWebGLSupport();
if (!wglMode) {
if (typeof initCanvasBoost !== 'undefined') {
// Fallback to canvas boost
initCanvasBoost();
}
else {
error(26);
}
}
if (ColorClass && composedClasses.indexOf(ColorClass) === -1) {
composedClasses.push(ColorClass);
ColorClass.names = __assign(__assign({}, ColorClass.names), NamedColors.defaultHTMLColorMap);
}
// WebGL support is alright, and we're good to go.
BoostChart.compose(ChartClass, wglMode);
BoostSeries.compose(SeriesClass, seriesTypes, wglMode);
}
/**
* Returns true if the current browser supports webgl
* @private
*/
function hasWebGLSupport() {
var canvas,
gl = false;
if (typeof win.WebGLRenderingContext !== 'undefined') {
canvas = doc.createElement('canvas');
for (var i = 0; i < contexts.length; ++i) {
try {
gl = canvas.getContext(contexts[i]);
if (typeof gl !== 'undefined' && gl !== null) {
return true;
}
}
catch (e) {
// silent error
}
}
}
return false;
}
/* *
*
* Default Export
*
* */
var Boost = {
compose: compose,
hasWebGLSupport: hasWebGLSupport
};
/* *
*
* API Options
*
* */
/**
* Options for the Boost module. The Boost module allows certain series types
* to be rendered by WebGL instead of the default SVG. This allows hundreds of
* thousands of data points to be rendered in milliseconds. In addition to the
* WebGL rendering it saves time by skipping processing and inspection of the
* data wherever possible. This introduces some limitations to what features are
* available in boost mode. See [the docs](
* https://www.highcharts.com/docs/advanced-chart-features/boost-module) for
* details.
*
* In addition to the global `boost` option, each series has a
* [boostThreshold](#plotOptions.series.boostThreshold) that defines when the
* boost should kick in.
*
* Requires the `modules/boost.js` module.
*
* @sample {highstock} highcharts/boost/line-series-heavy-stock
* Stock chart
* @sample {highstock} highcharts/boost/line-series-heavy-dynamic
* Dynamic stock chart
* @sample highcharts/boost/line
* Line chart
* @sample highcharts/boost/line-series-heavy
* Line chart with hundreds of series
* @sample highcharts/boost/scatter
* Scatter chart
* @sample highcharts/boost/area
* Area chart
* @sample highcharts/boost/arearange
* Area range chart
* @sample highcharts/boost/column
* Column chart
* @sample highcharts/boost/columnrange
* Column range chart
* @sample highcharts/boost/bubble
* Bubble chart
* @sample highcharts/boost/heatmap
* Heat map
* @sample highcharts/boost/treemap
* Tree map
*
* @product highcharts highstock
* @requires modules/boost
* @apioption boost
*/
/**
* The chart will be boosted, if one of the series crosses its threshold and all
* the series in the chart can be boosted.
*
* @type {boolean}
* @default true
* @apioption boost.allowForce
*/
/**
* Enable or disable boost on a chart.
*
* @type {boolean}
* @default true
* @apioption boost.enabled
*/
/**
* Debugging options for boost.
* Useful for benchmarking, and general timing.
*
* @apioption boost.debug
*/
/**
* Time the series rendering.
*
* This outputs the time spent on actual rendering in the console when
* set to true.
*
* @type {boolean}
* @default false
* @apioption boost.debug.timeRendering
*/
/**
* Time the series processing.
*
* This outputs the time spent on transforming the series data to
* vertex buffers when set to true.
*
* @type {boolean}
* @default false
* @apioption boost.debug.timeSeriesProcessing
*/
/**
* Time the the WebGL setup.
*
* This outputs the time spent on setting up the WebGL context,
* creating shaders, and textures.
*
* @type {boolean}
* @default false
* @apioption boost.debug.timeSetup
*/
/**
* Time the building of the k-d tree.
*
* This outputs the time spent building the k-d tree used for
* markers etc.
*
* Note that the k-d tree is built async, and runs post-rendering.
* Following, it does not affect the performance of the rendering itself.
*
* @type {boolean}
* @default false
* @apioption boost.debug.timeKDTree
*/
/**
* Show the number of points skipped through culling.
*
* When set to true, the number of points skipped in series processing
* is outputted. Points are skipped if they are closer than 1 pixel from
* each other.
*
* @type {boolean}
* @default false
* @apioption boost.debug.showSkipSummary
*/
/**
* Time the WebGL to SVG buffer copy
*
* After rendering, the result is copied to an image which is injected
* into the SVG.
*
* If this property is set to true, the time it takes for the buffer copy
* to complete is outputted.
*
* @type {boolean}
* @default false
* @apioption boost.debug.timeBufferCopy
*/
/**
* The pixel ratio for the WebGL content. If 0, the `window.devicePixelRatio` is
* used. This ensures sharp graphics on high DPI displays like Apple's Retina,
* as well as when a page is zoomed.
*
* The default is left at 1 for now, as this is a new feature that has the
* potential to break existing setups. Over time, when it has been battle
* tested, the intention is to set it to 0 by default.
*
* Another use case for this option is to set it to 2 in order to make exported
* and upscaled charts render sharp.
*
* One limitation when using the `pixelRatio` is that the line width of graphs
* is scaled down. Since the Boost module currently can only render 1px line
* widths, it is scaled down to a thin 0.5 pixels on a Retina display.
*
* @sample highcharts/boost/line-devicepixelratio
* Enable the `devicePixelRatio`
* @sample highcharts/boost/line-export-pixelratio
* Sharper graphics in export
*
* @type {number}
* @since 10.0.0
* @default 1
* @apioption boost.pixelRatio
*/
/**
* Set the series threshold for when the boost should kick in globally.
*
* Setting to e.g. 20 will cause the whole chart to enter boost mode
* if there are 20 or more series active. When the chart is in boost mode,
* every series in it will be rendered to a common canvas. This offers
* a significant speed improvment in charts with a very high
* amount of series.
*
* @type {number}
* @default 50
* @apioption boost.seriesThreshold
*/
/**
* Enable or disable GPU translations. GPU translations are faster than doing
* the translation in JavaScript.
*
* This option may cause rendering issues with certain datasets.
* Namely, if your dataset has large numbers with small increments (such as
* timestamps), it won't work correctly. This is due to floating point
* precission.
*
* @type {boolean}
* @default false
* @apioption boost.useGPUTranslations
*/
/**
* Enable or disable pre-allocation of vertex buffers.
*
* Enabling this will make it so that the binary data arrays required for
* storing the series data will be allocated prior to transforming the data
* to a WebGL-compatible format.
*
* This saves a copy operation on the order of O(n) and so is significantly more
* performant. However, this is currently an experimental option, and may cause
* visual artifacts with some datasets.
*
* As such, care should be taken when using this setting to make sure that
* it doesn't cause any rendering glitches with the given use-case.
*
* @type {boolean}
* @default false
* @apioption boost.usePreallocated
*/
/**
* Set the point threshold for when a series should enter boost mode.
*
* Setting it to e.g. 2000 will cause the series to enter boost mode when there
* are 2000 or more points in the series.
*
* To disable boosting on the series, set the `boostThreshold` to 0. Setting it
* to 1 will force boosting.
*
* Note that the [cropThreshold](plotOptions.series.cropThreshold) also affects
* this setting. When zooming in on a series that has fewer points than the
* `cropThreshold`, all points are rendered although outside the visible plot
* area, and the `boostThreshold` won't take effect.
*
* @type {number}
* @default 5000
* @requires modules/boost
* @apioption plotOptions.series.boostThreshold
*/
/**
* Sets the color blending in the boost module.
*
* @type {string}
* @default undefined
* @validvalue ["add", "multiply", "darken"]
* @requires modules/boost
* @apioption plotOptions.series.boostBlending
*/
''; // adds doclets above to transpiled file
return Boost;
});
_registerModule(_modules, 'masters/modules/boost.src.js', [_modules['Core/Globals.js'], _modules['Extensions/Boost/Boost.js']], function (Highcharts, Boost) {
var G = Highcharts;
G.hasWebGLSupport = Boost.hasWebGLSupport;
Boost.compose(G.Chart, G.Series, G.seriesTypes, G.Color);
});
}));