candlestick-to-png/lib/utils/candlestickChart.d.ts

Lightweight library to draw an array of candles into a canvas and render it as png file.

import { LamboCandle, Move } from "./models";
export interface CandleStickGraphOptions {
    wantLines: boolean;
    wantCandles: boolean;
    zoom: number;
    zoomSpeed: number;
    wantTrades: boolean;
    wantSMA: boolean;
    wantEMA: boolean;
    wantRSI: boolean;
    granularity: number;
    wantMACD: boolean;
    wantBollingerBands: boolean;
    wantGrid: boolean;
    wantStats: boolean;
    triangleSize: number;
    lineWidth: number;
    lineWidthGreen: number;
    lineWidthRed: number;
    wantSideMarksMove: boolean;
    baseFontName: string;
}
export interface CandleStickColors {
    gridColor: string;
    gridTextColor: string;
    lineColor: string;
    mouseHoverTextColor: string;
    greenColor: string;
    redColor: string;
    greenHoverColor: string;
    redHoverColor: string;
    mouseHoverBackgroundColor: string;
    growLineColor: string;
    blackColor: string;
    whiteColor: string;
    yellowColor: string;
    purpleColor: string;
    purpleColorTransparent: string;
    yellowColorTransparent: string;
    debugLineColor: string;
    whiteColorTrasparent: string;
    blueColor: string;
    greenAreaColor: string;
    redAreaColor: string;
    greenAreaColorIntens: string;
    redAreaColorIntes: string;
    whiteColorMoreTrasparent: string;
    logoColor: string;
}
export declare class CandleStickGraph {
    private options;
    private canvas;
    private context;
    private candlesticks;
    private selectedCandleStick;
    private moves;
    private drops;
    private rightCandlesOffset;
    private curRightCandleOffset;
    private dragInfo;
    private colorInfo;
    private width;
    private height;
    private candleWidth;
    private marginLeft;
    private marginRight;
    private marginTop;
    private marginBottom;
    private yStart;
    private yEnd;
    private yRange;
    private yPixelRange;
    private xStart;
    private xEnd;
    private xRange;
    private xPixelRange;
    private xGridCells;
    private yGridCells;
    private b_drawMouseOverlay;
    private mousePosition;
    private xMouseHover;
    private yMouseHover;
    private hoveredCandlestickID;
    private leftAxis;
    private rightAxis;
    private getIncreaseMsg;
    private readonly GENERAL_FONT_SIZE;
    private readonly TEXT_FONT_SIZE;
    constructor(options: CandleStickGraphOptions | undefined);
    toCandleStick(candle: LamboCandle): CandleStick;
    reset(): void;
    clean(): void;
    apply(options: CandleStickGraphOptions | undefined): void;
    applyColors(options: CandleStickColors): void;
    private _initCanvas;
    initCanvasHeadless(canvas: HTMLCanvasElement): void;
    initCanvas(canvas: HTMLCanvasElement, canvasId?: string): void;
    private bindCanvasListeners;
    private static getFont;
    private areSelectedCandlesNotNull;
    draw: () => void;
    private calculateCandleWidth;
    private getSelectedCandleStick;
    private drawRectangleWithText;
    private drawSmallRectangleWithText;
    private drawMoves;
    private drawSideMarksMove;
    private drawDrops;
    private drawLines;
    private drawOverAreas;
    private drawCandlesAndValuatePoints;
    private drawPriceLine;
    private drawTimeLine;
    private drawInfoLabel;
    addTrade(move: Move): this;
    addCandlestick: (candlestick: CandleStick, adaptZoom: boolean) => void;
    concatCandleSticks(canvasCandleSticks: CandleStick[], adaptZoom?: boolean): this;
    private mouseMove;
    private mouseUp;
    private mouseDown;
    private mouseDrag;
    private mouseOut;
    private mouseWheel;
    private drawGrid;
    private calculateYRange;
    private calculateXRange;
    private yToPixelCoords;
    private xToPixelCoords;
    private yToValueCoords;
    private xToValueCoords;
    private drawLine;
    private fillRect;
    private fillRectRounded;
    private fillPolygon;
    private drawTriangleUp;
    private drawTriangleDown;
    private drawRect;
    private formatDate;
    private roundPriceValue;
    private lineIntersect;
    cleanCandleSticks(): void;
    private setLineWidth;
    private resetLineWidth;
    private calculateSma;
    private calculateEma;
    private calculateTrix;
    private calculateRsi;
    private drawMACD;
    private calculateBollingerBands;
    private drawBollingRangeArea;
    private formatDateNoHours;
    private drawStatsLabel;
    private drawLogo;
}
export interface CandleStick {
    timestamp: number;
    open: number;
    close: number;
    high: number;
    low: number;
}