export interface CanvasFrame {
    ctx: CanvasRenderingContext2D;
    width: number;
    height: number;
    text_color: string;
    dark_mode: boolean;
}
export declare function canvas_text_color(canvas: Element | undefined, dark_mode: boolean): string;
export declare function create_canvas_surface(inputs: {
    canvas: () => HTMLCanvasElement | undefined;
    overlay_canvas?: () => HTMLCanvasElement | undefined;
    height?: () => number | undefined;
    draw: (frame: CanvasFrame) => void;
    draw_overlay?: (frame: CanvasFrame) => void;
    repaint_deps: () => unknown;
}): {
    readonly dims: {
        width: number;
        height: number;
    };
    readonly text_color: string;
    schedule: (redraw_base?: boolean) => void;
};