/**
 * Drawing segments — subset aligned with Python `segments.py`.
 */
import type { Arcdirection, BBox, Capstyle, Joinstyle, Linestyle } from "./types.js";
import { type XY } from "./geometry/point.js";
import { Transform } from "./geometry/transform.js";
import { type SvgFigure } from "./svg/figure.js";
export declare const GAP: [number, number];
export type SegmentPathPoint = XY | typeof GAP;
export declare class Segment {
    path: [number, number][];
    color?: string;
    lw?: number;
    ls?: Linestyle;
    capstyle?: Capstyle;
    joinstyle?: Joinstyle;
    fill?: string | boolean;
    arrow?: string;
    arrowwidth: number;
    arrowlength: number;
    zorder?: number;
    visible: boolean;
    clip?: BBox;
    role?: 'lead1' | 'lead2' | 'body';
    gradientStrokeId?: string;
    constructor(path: SegmentPathPoint[], opts?: {
        color?: string;
        lw?: number;
        ls?: Linestyle;
        capstyle?: Capstyle;
        joinstyle?: Joinstyle;
        fill?: string | boolean;
        arrow?: string;
        arrowwidth?: number;
        arrowlength?: number;
        zorder?: number;
        visible?: boolean;
        clip?: BBox;
    });
    xform(transform: Transform, style: Record<string, unknown>): Segment;
    getBBox(): BBox;
    /** Python `Segment.doreverse` — mirror path after reversing point order. */
    doreverse(centerx: number): void;
    /** Python `Segment.doflip` — vertical flip of path points. */
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export declare class SegmentCircle {
    center: [number, number];
    radius: number;
    color?: string;
    lw?: number;
    ls?: string;
    fill?: string | boolean;
    zorder?: number;
    visible: boolean;
    constructor(center: [number, number], radius: number, opts?: {
        color?: string;
        lw?: number;
        ls?: string;
        fill?: string | boolean;
        zorder?: number;
    });
    xform(transform: Transform, style: Record<string, unknown>): SegmentCircle;
    getBBox(): BBox;
    doreverse(centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
/** Text label in element-local coordinates — aligned with Python `SegmentText` (subset). */
export declare class SegmentText {
    xy: [number, number];
    readonly text: string;
    color?: string;
    fontsize?: number;
    fontfamily?: string;
    /** Math font (Python `SegmentText.mathfont`); used when text contains `$…$` (no Ziamath — SVG font-family only). */
    mathfont?: string;
    zorder?: number;
    visible: boolean;
    halign?: "left" | "center" | "right";
    valign?: "top" | "center" | "bottom" | "base";
    /** Hyperlink on label (Python `IcPin.href`). */
    href?: string;
    /** `"underline"` / `"overline"` (Python `IcPin.decoration`). */
    decoration?: string | null;
    /**
     * Extra rotation in degrees (local), added to the element transform (Python `IcPin` name labels).
     * If omitted, text is not rotated with the element (legacy behavior for unlabeled segments).
     */
    rotation?: number;
    constructor(xy: XY, text: string, opts?: {
        color?: string;
        fontsize?: number;
        fontfamily?: string;
        mathfont?: string;
        zorder?: number;
        visible?: boolean;
        align?: readonly [string | undefined, string | undefined];
        halign?: "left" | "center" | "right";
        valign?: "top" | "center" | "bottom" | "base";
        href?: string | null;
        decoration?: string | null;
        rotation?: number;
    });
    xform(transform: Transform, style: Record<string, unknown>): SegmentText;
    getBBox(): BBox;
    doreverse(centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export declare class SegmentPoly {
    verts: [number, number][];
    closed: boolean;
    cornerradius: number;
    color?: string;
    fill?: string | boolean;
    lw?: number;
    ls?: Linestyle;
    hatch?: boolean;
    joinstyle?: Joinstyle;
    capstyle?: Capstyle;
    zorder?: number;
    visible: boolean;
    clip?: BBox;
    constructor(verts: [number, number][], opts?: {
        closed?: boolean;
        cornerradius?: number;
        color?: string;
        fill?: string | boolean;
        lw?: number;
        ls?: Linestyle;
        hatch?: boolean;
        joinstyle?: Joinstyle;
        capstyle?: Capstyle;
        zorder?: number;
        visible?: boolean;
        clip?: BBox;
    });
    xform(transform: Transform, style: Record<string, unknown>): SegmentPoly;
    getBBox(): BBox;
    doreverse(centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export declare class SegmentArc {
    center: [number, number];
    width: number;
    height: number;
    theta1: number;
    theta2: number;
    arrow?: Arcdirection | null;
    arrowwidth: number;
    arrowlength: number;
    angle: number;
    color?: string;
    lw?: number;
    ls?: Linestyle;
    fill?: string;
    zorder?: number;
    visible: boolean;
    clip?: BBox;
    constructor(center: [number, number], width: number, height: number, opts?: {
        theta1?: number;
        theta2?: number;
        arrow?: Arcdirection | null;
        arrowwidth?: number;
        arrowlength?: number;
        angle?: number;
        color?: string;
        lw?: number;
        ls?: Linestyle;
        fill?: string;
        zorder?: number;
        visible?: boolean;
        clip?: BBox;
    });
    xform(transform: Transform, style: Record<string, unknown>): SegmentArc;
    getBBox(): BBox;
    doreverse(centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export declare class SegmentBezier {
    p: [number, number][];
    color?: string;
    lw?: number;
    ls?: Linestyle;
    capstyle?: Capstyle;
    arrow?: string;
    arrowlength: number;
    arrowwidth: number;
    zorder?: number;
    visible: boolean;
    clip?: BBox;
    constructor(pts: [number, number][], opts?: {
        color?: string;
        lw?: number;
        ls?: Linestyle;
        capstyle?: Capstyle;
        arrow?: string;
        arrowlength?: number;
        arrowwidth?: number;
        zorder?: number;
        visible?: boolean;
        clip?: BBox;
    });
    xform(transform: Transform, style: Record<string, unknown>): SegmentBezier;
    getBBox(): BBox;
    doreverse(centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export declare class SegmentPath {
    path: readonly (string | [number, number])[];
    color?: string;
    lw?: number;
    ls?: Linestyle;
    capstyle?: Capstyle;
    joinstyle?: Joinstyle;
    fill?: string | boolean;
    zorder?: number;
    visible: boolean;
    clip?: BBox;
    constructor(path: readonly (string | [number, number])[], opts?: {
        color?: string;
        lw?: number;
        ls?: Linestyle;
        capstyle?: Capstyle;
        joinstyle?: Joinstyle;
        fill?: string | boolean;
        zorder?: number;
        visible?: boolean;
        clip?: BBox;
    });
    xform(transform: Transform, style: Record<string, unknown>): SegmentPath;
    getBBox(): BBox;
    /** SVG path commands are not transformed; matches Python stub. */
    doreverse(_centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export declare class SegmentImage {
    image: string;
    xy: [number, number];
    width: number;
    height: number;
    rotate: number;
    imgfmt?: string;
    zorder?: number;
    visible: boolean;
    constructor(image: string, opts?: {
        xy?: [number, number];
        width?: number;
        height?: number;
        rotate?: number;
        imgfmt?: string;
        zorder?: number;
    });
    getBBox(): BBox;
    xform(transform: Transform, style: Record<string, unknown>): SegmentImage;
    doreverse(_centerx: number): void;
    doflip(): void;
    draw(fig: SvgFigure, transform: Transform, style: Record<string, unknown>): void;
}
export type SegmentLike = Segment | SegmentCircle | SegmentText | SegmentPoly | SegmentArc | SegmentBezier | SegmentPath | SegmentImage;