scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
38 lines (37 loc) • 2.26 kB
TypeScript
import { Rect } from "../../../Core/Rect";
import { Thickness } from "../../../Core/Thickness";
import { WebGlRenderContext2D } from "../../Drawing/WebGlRenderContext2D";
import { TTextStyle } from "./AxisCore";
import { AxisRenderer } from "./AxisRenderer";
import { LabelInfo, LabelProviderBase2D } from "./LabelProvider/LabelProviderBase2D";
/**
* AxisRenderer subclass that uses native WASM font rendering (DrawStringAdvanced).
* Used when {@link LabelProviderBase2D.useNativeText} is true.
*/
export declare class NativeAxisRenderer extends AxisRenderer {
private nativeFont;
private textBounds;
private mlaNative;
private nativeLineSpacing;
private modifierNativeFont;
private modifierTextBounds;
private modifierLineSpacing;
/** @inheritDoc */
protected onBeginDrawLabels(renderContext: WebGlRenderContext2D, labelProvider: LabelProviderBase2D, labelStyle: TTextStyle): number;
/** @inheritDoc */
protected measureLabels(tickLabels: string[], labelProvider: LabelProviderBase2D, ctx: CanvasRenderingContext2D, labelStyle: TTextStyle, labelInfos?: LabelInfo[]): {
labelHeights: number[];
labelWidths: number[];
};
/** @inheritDoc */
protected drawSingleLabel(renderContext: WebGlRenderContext2D, labelProvider: LabelProviderBase2D, labelText: string, labelInfo: LabelInfo | undefined, xCoord: number, yCoord: number, tickCoord: number, labelWidth: number, labelHeight: number, index: number, labelStyle: TTextStyle, clipRect: Rect, isHorizontal: boolean): void;
/** @inheritDoc */
protected measureModifierAxisLabel(renderContext: WebGlRenderContext2D, displayValue: string, textStyle: TTextStyle, _fill: string, effectivePadding: Thickness, _cornerRadius?: number): {
textureWidth: number;
textureHeight: number;
};
/** @inheritDoc */
protected drawModifierAxisLabelSpecific(renderContext: WebGlRenderContext2D, displayValue: string, textStyle: TTextStyle, fill: string, effectivePadding: Thickness, cornerRadius: number | undefined, xPosition: number, yPosition: number, textureWidth: number, textureHeight: number, _clipRect: Rect): void;
/** @inheritDoc */
protected onEndDrawLabels(): void;
}