scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
37 lines (36 loc) • 1.65 kB
TypeScript
import { TSciChart } from "../../../../types/TSciChart";
import { WebGlRenderContext2D } from "../../../Drawing/WebGlRenderContext2D";
import { RenderPassData } from "../../../Services/RenderPassData";
import { NonUniformHeatmapRenderableSeries } from "../NonUniformHeatmapRenderableSeries";
import { BaseSeriesDrawingProvider } from "./BaseSeriesDrawingProvider";
/**
* Used internally - a drawing provider performs drawing for a {@link NonUniformHeatmapRenderableSeries} using
* our WebAssembly WebGL rendering engine
*/
export declare class NonUniformHeatmapDrawingProvider extends BaseSeriesDrawingProvider<NonUniformHeatmapRenderableSeries> {
private heatTextureCache;
private colorDataVector;
private colorGradientScale;
private getMemoizedHeatmapTexture;
/**
* Creates an instance of the {@link UniformHeatmapDrawingProvider}
* @param webAssemblyContext The {@link TSciChart | SciChart 2D WebAssembly Context} containing native methods and
* access to our WebGL2 Engine and WebAssembly numerical methods
* @param parentSeries the parent {@link UniformHeatmapRenderableSeries} which this drawing provider is attached to
*/
constructor(webAssemblyContext: TSciChart, parentSeries: NonUniformHeatmapRenderableSeries);
/**
* @inheritDoc
*/
delete(): void;
/**
* @inheritDoc
*/
onSeriesPropertyChange(propertyName: string): void;
/**
* @inheritDoc
*/
draw(renderContext: WebGlRenderContext2D, renderPassData: RenderPassData): void;
private drawHeatmapInTypescript;
private calculateHeatmapTexture;
}