/**
 * 5x7 monospace font for embedded displays
 * Each character is 5 pixels wide, 7 pixels tall
 * Data stored as 5 bytes per char (one per column, LSB = top row)
 * ASCII 32-126 supported
 */
export interface Font {
    width: number;
    height: number;
    data: Uint8Array;
    firstChar: number;
    lastChar: number;
}
export declare const font5x7: Font;
/**
 * Get the font data for a single character
 * @returns 5-byte array for the character columns, or undefined if char not supported
 */
export declare function getCharData(char: string, font?: Font): Uint8Array | undefined;
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