import type { Disposable } from "@goldenratio/core-utils";
import type { EnvProvider } from "./env_provider/env_provider.js";
import type { Camera2D, Point, Rectangle, Size } from "./types/types.js";
export declare class Camera2DUtil implements Disposable {
    private readonly env;
    private readonly canvas_size;
    constructor(env: EnvProvider, canvas_size: Size);
    dispose(): void;
    /**
     * Compute the world→screen transform matrix for the given camera.
     * This mirrors the logic in draw_mode_2d.
     */
    get_camera_transform(camera: Camera2D): DOMMatrix;
    /**
     * Helper to apply a DOMMatrix to a point.
     */
    private transform_point;
    /**
     * Returns true if the given world-space axis-aligned rectangle is visible
     * in the camera's view (intersects the canvas in screen-space).
     *
     * padding: extra screen pixels around the canvas to treat as "visible".
     *          (Useful to draw slightly offscreen objects for smooth entry.)
     */
    is_rect_in_camera_view(rect: Rectangle, camera: Camera2D, padding?: number): boolean;
    /**
     * Returns true if the given world-space point is inside the camera view.
     */
    is_point_in_camera_view(point: Point, camera: Camera2D, padding?: number): boolean;
}