@neabyte/chart-to-image/dist/renderer/elements.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, WatermarkConfig } from '../renderer/types.js';
import type { ChartOptions, HorizontalLevel } from '../types/types.js';
interface ChartOHLC {
    time: number;
    open: number;
    high: number;
    low: number;
    close: number;
    volume?: number;
}
export declare class AxesRenderer {
    private ctx;
    private dimensions;
    private priceRange;
    private config;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange, config: ChartOptions);
    render(ohlc: ChartOHLC[]): void;
    private drawPriceLabels;
    private drawTimeLabels;
}
export declare class GridRenderer {
    private ctx;
    private dimensions;
    private config;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, config: ChartOptions);
    render(): void;
}
export declare class VolumeRenderer {
    private ctx;
    private dimensions;
    private config;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, config: ChartOptions);
    render(ohlc: ChartOHLC[]): void;
}
export declare class VWAPRenderer {
    private ctx;
    private dimensions;
    private priceRange;
    private config;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange, config: ChartOptions);
    private calculateVWAP;
    render(ohlc: ChartOHLC[]): void;
}
export declare class EMARenderer {
    private ctx;
    private dimensions;
    private priceRange;
    private config;
    private period;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange, config: ChartOptions, period: number);
    private calculateEMA;
    render(ohlc: ChartOHLC[]): void;
}
export declare class SMARenderer {
    private ctx;
    private dimensions;
    private priceRange;
    private config;
    private period;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange, config: ChartOptions, period: number);
    private calculateSMA;
    render(ohlc: ChartOHLC[]): void;
}
export declare class BollingerBandsRenderer {
    private ctx;
    private dimensions;
    private priceRange;
    private config;
    private period;
    private standardDeviations;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange, config: ChartOptions, period: number, standardDeviations?: number);
    private calculateBollingerBands;
    renderBackground(ohlc: ChartOHLC[]): void;
    renderLines(ohlc: ChartOHLC[]): void;
}
export declare class LevelsRenderer {
    private ctx;
    private dimensions;
    private priceRange;
    constructor(ctx: CanvasRenderingContext2D, dimensions: ChartDimensions, priceRange: PriceRange);
    render(levels: HorizontalLevel[]): void;
}
export declare class TitleRenderer {
    private ctx;
    private width;
    private config;
    constructor(ctx: CanvasRenderingContext2D, width: number, config: ChartOptions);
    render(title: string): void;
}
export declare class WatermarkRenderer {
    private ctx;
    private width;
    private height;
    constructor(ctx: CanvasRenderingContext2D, width: number, height: number);
    render(watermark: string | WatermarkConfig): void;
}
export {};