/**
 * Tree Silhouette Renderer
 *
 * Handles image-based tree rendering with depth-based atmospheric
 * perspective (tinting) and rim light effects.
 */
import type { TreeType, TreeColors, TreeSilhouetteStyle } from "../../domain/models/tree-silhouette-models.js";
import type { TreeSilhouetteImageLoader } from "../TreeSilhouetteImageLoader.js";
type RenderContext = CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D;
export interface ITreeSilhouetteRenderer {
    /** Preload tree silhouette images */
    preloadImages(): Promise<void>;
    /** Check if images are loaded */
    areImagesLoaded(): boolean;
    /** Clear the used images tracker for a fresh scene */
    clearUsedImages(): void;
    /**
     * Draw a tree using a pre-loaded silhouette image.
     * Applies depth-based tinting for atmospheric perspective.
     * @returns The filename of the image used (for tracking), or null if no image available
     */
    drawTreeImage(ctx: RenderContext, x: number, baseY: number, width: number, height: number, treeType: TreeType, layer: number, seed: number): string | null;
    /** Get silhouette color for a tree based on its layer depth */
    getTreeColors(layer: number): TreeColors;
    /**
     * Get the ground/base Y position for a given layer.
     * Far trees sit BELOW the visible horizon.
     * Near trees extend below the viewport.
     */
    getLayerBaseY(layer: number, canvasHeight: number): number;
}
export declare function createTreeSilhouetteRenderer(imageLoader: TreeSilhouetteImageLoader, layerCount?: number, styleOverrides?: Partial<TreeSilhouetteStyle>): ITreeSilhouetteRenderer;
export {};
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