import { CanvasHorizontalAlign, CloudCollider, CloudColliderInput } from '../types';
export interface WordColliderMask {
    inverted: boolean;
    generate(context: CanvasRenderingContext2D): void;
}
export interface WordColliderMaskOptions {
    inverted?: boolean;
}
export interface WordColliderConstraint {
    text: string;
    count: number;
}
export interface WordColliderRotation<Item extends WordColliderConstraint> {
    (item: Item): number;
}
export interface WordColliderOptions {
    width?: number;
    height?: number;
    font: string;
    weight?: string | number;
    textAlign?: CanvasTextAlign;
    textBaseline?: CanvasHorizontalAlign;
    gap?: number;
    mask?: WordColliderMask | null;
}
export declare const MASK_COLOR = "red";
export declare const EMOJI_REGEX: RegExp;
export declare const BUFFER_PX = 10;
export declare function defaultRotation(): number;
/**
 * Collider that detects whether a given word is colliding with the already generated words
 */
export declare class WordCollider<Item extends WordColliderConstraint> implements CloudCollider<Item> {
    _options: Required<WordColliderOptions>;
    _context: CanvasRenderingContext2D;
    _intersectionContext: CanvasRenderingContext2D;
    constructor(options: WordColliderOptions);
    _applyMask(): void;
    /**
     * Because emojis cannot be rendered with a stroke, we need to create a mask instead
     */
    _drawEmojiMask(ctx: CanvasRenderingContext2D, x: number, y: number, size: number, gap: number, textAlign: CanvasTextAlign, textBaseline: CanvasHorizontalAlign): void;
    update(options: Partial<WordColliderOptions>, reset?: boolean): void;
    /**
     * Reset the word collider to initial state
     */
    reset(): void;
    intersects({ x, y, rotation: angleDegrees, item }: CloudColliderInput<Item>): boolean;
}
//# sourceMappingURL=word-collider.d.ts.map