@neabyte/chart-to-image/dist/renderer/charts.d.ts

Convert trading charts to images using Node.js canvas with advanced features: 6 chart types, VWAP/EMA/SMA indicators, custom colors, themes, hide elements, scaling, and PNG/JPEG export formats.

import type { CanvasRenderingContext2D } from 'canvas';
import type { ChartDimensions, PriceRange } from '../renderer/types.js';
import type { ChartOptions } from '../types/types.js';
interface ChartOHLC {
    time: number;
    open: number;
    high: number;
    low: number;
    close: number;
    volume?: number | undefined;
}
export declare abstract class ChartTypeRenderer {
    protected ctx: CanvasRenderingContext2D;
    protected dimensions: ChartDimensions;
    protected priceRange: PriceRange;
    protected config: ChartOptions;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange, config: ChartOptions);
    abstract render(_candles: ChartOHLC[]): void;
}
export declare class CandlestickRenderer extends ChartTypeRenderer {
    render(candles: ChartOHLC[]): void;
}
export declare class LineRenderer extends ChartTypeRenderer {
    render(candles: ChartOHLC[]): void;
}
export declare class AreaRenderer extends ChartTypeRenderer {
    render(candles: ChartOHLC[]): void;
}
export declare class HeikinAshiRenderer extends ChartTypeRenderer {
    private calculateHeikinAshi;
    render(candles: ChartOHLC[]): void;
}
export declare class RenkoRenderer extends ChartTypeRenderer {
    private calculateRenko;
    render(candles: ChartOHLC[]): void;
}
export declare class LineBreakRenderer extends ChartTypeRenderer {
    private calculateLineBreak;
    render(candles: ChartOHLC[]): void;
}
export {};