import type { IFishFinRenderer } from "../contracts/IFishFinRenderer.js";
import type { IColorCalculator } from "../contracts/IColorCalculator.js";
import type { FishMarineLife, FinState, TailState, SpineFin } from "../../domain/models/OceanModels.js";
import type { SpineChain } from "../../physics/SpineChain.js";
/**
 * Renders fish fins (spine-based and legacy Bezier).
 * Extracted from FishRenderer to follow single-responsibility principle.
 */
export declare class FishFinRenderer implements IFishFinRenderer {
    private colorCalc;
    constructor(colorCalc: IColorCalculator);
    drawSpineFins(ctx: CanvasRenderingContext2D, fish: FishMarineLife, spine: SpineChain): void;
    drawSpineFin(ctx: CanvasRenderingContext2D, fin: SpineFin, fish: FishMarineLife, x: number, y: number, angle: number): void;
    drawSpineTailFin(ctx: CanvasRenderingContext2D, fish: FishMarineLife, spine: SpineChain): void;
    drawFins(ctx: CanvasRenderingContext2D, fish: FishMarineLife, len: number, height: number): void;
    drawFin(ctx: CanvasRenderingContext2D, fish: FishMarineLife, finState: FinState, x: number, y: number, baseLength: number, baseWidth: number, angle: number): void;
    drawTailFin(ctx: CanvasRenderingContext2D, fish: FishMarineLife, tailState: TailState, x: number, y: number, baseSize: number): void;
}
//# sourceMappingURL=FishFinRenderer.d.ts.map