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/* *
*
* Copyright (c) 2019-2019 Highsoft AS
*
* Boost module: stripped-down renderer for higher performance
*
* License: highcharts.com/license
*
* */
/**
* 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|null}
* @default null
* @apioption boost.seriesThreshold
*/
/**
* 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
*/
/**
* 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.
*
* Requires `modules/boost.js`.
*
* @type {number}
* @default 5000
* @apioption plotOptions.series.boostThreshold
*/
/**
* If set to true, the whole chart will be boosted if one of the series
* crosses its threshold, and all the series can be boosted.
*
* @type {boolean}
* @default true
* @apioption boost.allowForce
*/
/**
* Sets the color blending in the boost module.
*
* @type {string}
* @default undefined
* @validvalue ["add", "multiply", "darken"]
* @apioption plotOptions.series.boostBlending
*/