import { MinMax } from '@obliczeniowo/elementary/math';
import { YAxisI } from './elements/y-axis-i';
import { DrawingContextInterface, LinePattern, TextAlign, Rect } from '@obliczeniowo/elementary/drawing';
import { DecimalPipe } from '@angular/common';
import { Subject } from 'rxjs';
import { Point2D, ColorType } from '@obliczeniowo/elementary/classes';
export declare enum PointType {
    NONE = "none",
    CIRCLE = "circle",
    X = "x",
    STAR = "star"
}
export interface BaseDrawingOptions {
    /** color in format #rrggbb */
    color?: ColorType;
    stroke?: number;
    linePattern?: LinePattern | string;
    drawPoint?: PointType | string;
}
export interface AxisOptions extends BaseDrawingOptions {
    arrow?: boolean;
    dp?: number;
    autoIncreaseDecrease?: boolean;
    precision?: number;
    display?: boolean;
}
export interface YAxisOptions extends AxisOptions {
    textAlign?: TextAlign;
}
export interface GridOptions extends BaseDrawingOptions {
    display?: boolean;
}
export interface LinearDiagram2DOptions {
    displayCursor?: boolean;
    xAxis?: AxisOptions;
    yAxis?: YAxisOptions;
    greed?: GridOptions;
    set?: BaseDrawingOptions[];
    xMinMax?: MinMax;
    yMinMax?: MinMax;
}
export type DrawingPointFu = (point: Point2D, dc: DrawingContextInterface, stroke: number, color: ColorType, index: number, value: number) => void;
export declare class LinearDiagram2D {
    protected static drawingPoints: Map<string, DrawingPointFu>;
    protected options: LinearDiagram2DOptions;
    /** min max for x */
    protected xMinMax: MinMax;
    /** min max for y */
    protected yMinMax: MinMax;
    /** */
    protected yAxis: YAxisI;
    /** */
    protected xScale: number;
    /** */
    protected yScale: number;
    protected xCursorLine: SVGPolylineElement;
    protected yCursorLine: SVGPolylineElement;
    protected xyCursor: SVGTextElement;
    selectionRange?: MinMax;
    /** diagram area rect (area where diagram data will be drawn) */
    diagramArea: Rect;
    pPoints: Point2D[][];
    /** diagram title text */
    title: string;
    /** x label description */
    xLabel: string;
    /** y label description */
    yLabel: string;
    /** legend description table */
    legend: string[];
    /** pipe used for formatting x/y axis text */
    decimalPipe: DecimalPipe;
    /**  */
    xK: number;
    /** */
    yK: number;
    redraw: Subject<void>;
    onPointMouseOver: Subject<SVGGElement>;
    onPointMouseOut: Subject<void>;
    static registerDrawingPointFu(name: string, fu: DrawingPointFu): boolean;
    /**
     * Function that give you control over format of x axis values
     * this function can be overridden let programmer use whatever he want
     * @param x value on scale to draw
     * @param xK x * pow(10, xK) - power of 10 that provide  number into n.xxxx format
     * @returns formatted string value of x scale
     */
    xFormatter: (x: number, xK: number) => string;
    set yFormatter(fu: (y: number, yK: number) => string);
    /**
     * set points vector and recalculate xMinMax & yMinMax values for diagram
     */
    set points(points: Point2D[][]);
    /**
     * @param area diagram area
     * @param points points vectors as table of Point2D
     * @param options options settings for diagram (most of them override default one)
     */
    constructor(area: Rect, points: Point2D[][], options?: LinearDiagram2DOptions);
    protected normalizeMinMax(min: number, max: number): MinMax;
    protected filterByRange(): Point2D[][];
    /**
     * Get min and max of x axis
     * @returns return min & max for x axis
     */
    getXMinMax(): MinMax;
    /**
     * Find minimum & maximum for y axis
     * @returns MinMax interface of displayed values
     */
    protected getYMinMax(): MinMax;
    /**
     * Convert point diagram pos to SVG pos
     * @param point point to transform
     * @param startPoint diagram start point
     * @param xScale x scale
     * @param yScale y scale
     * @returns Point2D instance
     */
    protected diagramPosToSVG(point: Point2D, startPoint: Point2D): Point2D;
    protected svgPosToDiagram(point: Point2D, startPoint: Point2D, xScale: number, yScale: number): Point2D;
    protected getDAxis(range: number, autoIncreaseDecrease: boolean, dp: number): number;
    protected getDx(): number;
    protected getDy(): number;
    protected drawGreed(dc: DrawingContextInterface, startPoint: Point2D): void;
    /**
     * Calc scale elementary increase value with given precision
     * @param value (max - min)
     * @param precision integer number should be >= 0
     * @returns scale elementary increase value
     */
    protected recalcDScale(value: number, precision?: number): number;
    protected drawXAxis(dc: DrawingContextInterface, startPoint: Point2D): number;
    protected drawYAxis(dc: DrawingContextInterface, startPoint: Point2D): number;
    protected drawLegend(dc: DrawingContextInterface): void;
    protected drawVectors(dc: DrawingContextInterface, startPoint: Point2D): void;
    draw(dc: DrawingContextInterface): void;
    setOptions(options: LinearDiagram2DOptions | undefined): void;
    drawCursor(mousePos: Point2D, svg: SVGGElement): void;
    svgToDiagram(point: Point2D): Point2D;
    protected getDrawPointFu(pointType: PointType | string): DrawingPointFu;
}