/**
 * Bitmap conversion module
 * Converts text to bitmap representation using pixel fonts
 */
import type { Bitmap } from './types.js';
type TextToBitmapOptions = {
    vertical?: boolean;
};
/**
 * Convert text to bitmap using built-in pixel font
 */
export declare function textToBitmap(text: string, fontName?: string, options?: TextToBitmapOptions): Promise<Bitmap>;
/**
 * Get available pixel fonts
 */
export declare function getAvailableFonts(): Promise<string[]>;
/**
 * Get bitmap dimensions
 */
export declare function getBitmapDimensions(bitmap: Bitmap): {
    width: number;
    height: number;
};
/**
 * Validate bitmap integrity
 */
export declare function validateBitmap(bitmap: Bitmap): boolean;
export {};
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