import type { Canvas, CanvasOptions, FinalizedSvg } from "../../widgets/utils/layout";
import type { Path2D } from "../../widgets/utils/path-builder";
export declare function resetCanvasIdCounter(): void;
export declare class CanvasImpl implements Canvas {
    readonly clipId: string;
    private extents;
    private svgBody;
    private defs;
    private readonly options;
    private nextLocalClipId;
    constructor(options: CanvasOptions);
    getSvgBody(): string;
    drawInClippedRegion(renderFn: (clippedCanvas: Canvas) => void): void;
    drawText(opts: {
        x: number;
        y: number;
        text: string;
        anchor?: "start" | "middle" | "end";
        dominantBaseline?: "hanging" | "middle" | "baseline";
        fontPx?: number;
        fontWeight?: "100" | "200" | "300" | "400" | "500" | "600" | "700" | "800" | "900";
        paintOrder?: "stroke fill";
        stroke?: string;
        strokeWidth?: number | string;
        fill?: string;
        opacity?: number;
        strokeOpacity?: number;
        fillOpacity?: number;
        transform?: string;
        rotate?: {
            angle: number;
            cx: number;
            cy: number;
        };
        maxWidth?: number;
        lineHeight?: number;
    }): void;
    drawWrappedText(opts: {
        x: number;
        y: number;
        text: string;
        className?: string;
        maxWidthPx: number;
        anchor?: "start" | "middle" | "end";
        fontPx?: number;
        lineHeight?: number;
        fontWeight?: "100" | "200" | "300" | "400" | "500" | "600" | "700" | "800" | "900";
        paintOrder?: "stroke fill";
        stroke?: string;
        strokeWidth?: number | string;
        fill?: string;
        opacity?: number;
        strokeOpacity?: number;
        fillOpacity?: number;
        transform?: string;
        rotate?: {
            angle: number;
            cx: number;
            cy: number;
        };
        dominantBaseline?: "auto" | "alphabetic" | "hanging" | "ideographic" | "mathematical" | "middle";
    }): void;
    drawLine(x1: number, y1: number, x2: number, y2: number, style: {
        stroke: string;
        strokeWidth: number;
        dash?: string;
        strokeLinecap?: "butt" | "round" | "square";
        strokeLinejoin?: "miter" | "round" | "bevel";
        strokeMiterlimit?: number;
        markerStart?: string;
        markerMid?: string;
        markerEnd?: string;
        opacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawCircle(cx: number, cy: number, r: number, style: {
        fill?: string;
        stroke?: string;
        strokeWidth?: number;
        dash?: string;
        fillPatternId?: string;
        opacity?: number;
        fillOpacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawRect(x: number, y: number, w: number, h: number, style: {
        fill?: string;
        stroke?: string;
        strokeWidth?: number;
        dash?: string;
        fillPatternId?: string;
        opacity?: number;
        fillOpacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawEllipse(cx: number, cy: number, rx: number, ry: number, style: {
        fill?: string;
        stroke?: string;
        strokeWidth?: number;
        dash?: string;
        fillPatternId?: string;
        opacity?: number;
        fillOpacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawPath(path: Path2D, style: {
        fill?: string;
        stroke?: string;
        strokeWidth?: number;
        dash?: string;
        strokeLinecap?: "butt" | "round" | "square";
        strokeLinejoin?: "miter" | "round" | "bevel";
        strokeMiterlimit?: number;
        fillRule?: "nonzero" | "evenodd";
        markerStart?: string;
        markerMid?: string;
        markerEnd?: string;
        opacity?: number;
        fillOpacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawPolygon(points: Array<{
        x: number;
        y: number;
    }>, style: {
        fill?: string;
        stroke?: string;
        strokeWidth?: number;
        dash?: string;
        fillRule?: "nonzero" | "evenodd";
        strokeLinejoin?: "miter" | "round" | "bevel";
        strokeMiterlimit?: number;
        opacity?: number;
        fillOpacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawPolyline(points: Array<{
        x: number;
        y: number;
    }>, style: {
        stroke: string;
        strokeWidth: number;
        dash?: string;
        strokeLinecap?: "butt" | "round" | "square";
        strokeLinejoin?: "miter" | "round" | "bevel";
        strokeMiterlimit?: number;
        opacity?: number;
        strokeOpacity?: number;
        transform?: string;
    }): void;
    drawForeignObject(opts: {
        x: number;
        y: number;
        width: number;
        height: number;
        content: string;
        transform?: string;
    }): void;
    drawImage(opts: {
        x: number;
        y: number;
        width: number;
        height: number;
        href: string;
        preserveAspectRatio?: string;
        opacity?: number;
        transform?: string;
    }): void;
    drawLegendBlock(opts: {
        startX: number;
        startY: number;
        rows: Array<{
            sample: {
                stroke: string;
                strokeWidth: number;
                dash?: string;
                marker?: "circle" | "square";
            };
            label: string;
        }>;
        rowGapPx: number;
        labelFontPx?: number;
        sampleLengthPx?: number;
    }): void;
    addDef(def: string): void;
    addStyle(cssRules: string): void;
    withTransform(transform: string, renderFn: () => void): void;
    addHatchPattern(opts: {
        id: string;
        color: string;
        strokeWidth: number;
        spacing?: number;
        angleDeg?: number;
    }): void;
    addLinearGradient(opts: {
        id: string;
        stops: Array<{
            offset: string;
            color: string;
        }>;
        x1?: string;
        y1?: string;
        x2?: string;
        y2?: string;
        gradientUnits?: "objectBoundingBox" | "userSpaceOnUse";
    }): void;
    addRadialGradient(opts: {
        id: string;
        stops: Array<{
            offset: string;
            color: string;
        }>;
        cx?: string;
        cy?: string;
        r?: string;
        fx?: string;
        fy?: string;
        gradientUnits?: "objectBoundingBox" | "userSpaceOnUse";
    }): void;
    finalize(padPx: number): FinalizedSvg;
    private wrapText;
    private escapeHtml;
    private estimateTextWidth;
    private updateExtents;
}
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