/**
 * @fileoverview Types for the LaTeX rendering plugin
 * @module plugins/latex/types
 */
/**
 * Configuration for the LaTeX plugin
 */
export interface PluginLaTeXConfig {
    /**
     * Default font size for LaTeX text (in pixels)
     * @default 14
     */
    fontSize?: number;
    /**
     * Default font family
     * @default 'serif'
     */
    fontFamily?: string;
    /**
     * Default text color
     * @default '#000000'
     */
    color?: string;
    /**
     * Enable caching of rendered LaTeX
     * @default true
     */
    enableCache?: boolean;
    /**
     * Custom symbol mappings
     */
    customSymbols?: Record<string, string>;
}
/**
 * LaTeX node types in the abstract syntax tree
 */
export type LaTeXNodeType = 'text' | 'textgroup' | 'superscript' | 'subscript' | 'fraction' | 'sqrt' | 'symbol' | 'operator' | 'group' | 'matrix';
/**
 * Base LaTeX node in the AST
 */
export interface LaTeXNode {
    type: LaTeXNodeType;
    content?: string;
    children?: LaTeXNode[];
    numerator?: LaTeXNode[];
    denominator?: LaTeXNode[];
    /** Matrix rows -> cells -> node lists (for the 'matrix' node type). */
    rows?: LaTeXNode[][][];
    /** Left/right delimiter characters for matrix environments. */
    delimiters?: [string, string];
}
/**
 * Rendering context for LaTeX
 */
export interface LaTeXRenderContext {
    ctx: CanvasRenderingContext2D;
    x: number;
    y: number;
    fontSize: number;
    fontFamily: string;
    color: string;
    scale: number;
}
/**
 * Measured dimensions of rendered LaTeX
 */
export interface LaTeXDimensions {
    width: number;
    height: number;
    baseline: number;
}
/**
 * API exposed by the LaTeX plugin
 */
export interface LaTeXPluginAPI {
    /**
     * Render LaTeX string to canvas at specified position
     */
    render(latex: string, ctx: CanvasRenderingContext2D, x: number, y: number, options?: Partial<PluginLaTeXConfig>): LaTeXDimensions;
    /**
     * Measure LaTeX string dimensions without rendering
     */
    measure(latex: string, options?: Partial<PluginLaTeXConfig>): LaTeXDimensions;
    /**
     * Clear the rendering cache
     */
    clearCache(): void;
    /**
     * Report cache sizes (for leak verification / diagnostics).
     */
    getCacheStats?(): {
        parseCache: number;
        measureCache: number;
        maxEntries: number;
    };
    /**
     * Index signature for compatibility
     */
    [key: string]: any;
}