import { type Camera, type Scene } from 'three';
import { type WebGPURenderer } from 'three/webgpu';
import type { SceneAtmosphereSource } from '../components/viewer/scene-atmosphere';
import { type EdgeMode } from './edge-style';
export declare const THUMBNAIL_WIDTH = 1920;
export declare const THUMBNAIL_HEIGHT = 1080;
/**
 * Captures are re-renderable artifacts, not user originals, so they encode as
 * webp: a 1920×1080 hero shot lands roughly an order of magnitude under PNG,
 * which is what listings and the catalog actually ship over the wire. Alpha
 * survives, so transparent item/preset captures keep working.
 */
export declare const SNAPSHOT_MIME = "image/webp";
export declare const SNAPSHOT_QUALITY = 0.9;
export declare const SNAPSHOT_MAX_EDGE = 2048;
export type SnapshotCaptureMode = 'standard' | 'viewport' | 'area';
export type SnapshotCropRegion = {
    x: number;
    y: number;
    width: number;
    height: number;
};
export type SnapshotSize = {
    w: number;
    h: number;
};
export type SnapshotCaptureResult = {
    blob: Blob;
    outW: number;
    outH: number;
};
export type SnapshotPipeline = {
    applyEnvironment: ({ theme, transparent, grade, edges, camera, }: {
        theme: string;
        transparent: boolean;
        grade: boolean;
        edges: EdgeMode;
        camera: Camera;
    }) => void;
    capture: ({ captureMode, cropRegion, standardSize, }: {
        captureMode?: SnapshotCaptureMode;
        cropRegion?: SnapshotCropRegion;
        standardSize?: SnapshotSize;
    }) => Promise<SnapshotCaptureResult>;
    dispose: () => void;
};
export declare function createSnapshotPipeline({ renderer, scene, camera, atmosphere, }: {
    renderer: WebGPURenderer;
    scene: Scene;
    camera: Camera;
    atmosphere?: SceneAtmosphereSource | null;
}): Promise<SnapshotPipeline | null>;
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