/**
 * Parse a hex color string into numeric components.
 * Supports "#rgb", "#rrggbb", "#rrggbbaa".
 */
export declare function parseHex(hex: string): {
    r: number;
    g: number;
    b: number;
    a: number;
};
/** Convert {r,g,b,a} to a Phaser-compatible 0xRRGGBB number. */
export declare function toColorInt(c: {
    r: number;
    g: number;
    b: number;
}): number;
/** Dim a hex color by a multiplier (0–1). */
export declare function dimHex(hex: string, multiplier: number): {
    color: number;
    alpha: number;
};
/** Parse hex to { color: 0xRRGGBB, alpha: 0–1 }. */
export declare function hexToColorAlpha(hex: string): {
    color: number;
    alpha: number;
};
/** Device pixel ratio for crisp text on high-DPI displays. */
export declare function getDevicePixelRatio(): number;
/** Rough monospace-ish text width estimator. */
export declare function estimateTextWidth(text: string, fontSize: number): number;
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