import { TooltipData, TooltipPosition, TooltipTheme, TooltipTemplate } from './types';

/**
 * TooltipRenderer handles all Canvas 2D rendering for tooltips
 */
export declare class TooltipRenderer {
    private ctx;
    private theme;
    constructor(ctx: CanvasRenderingContext2D, theme: TooltipTheme);
    /**
     * Update the theme
     */
    setTheme(theme: TooltipTheme): void;
    /**
     * Render a tooltip with the given template
     */
    render<T extends TooltipData>(data: T, position: TooltipPosition, template: TooltipTemplate<T>): void;
    /**
     * Draw tooltip background with all effects
     */
    private drawBackground;
    /**
     * Draw arrow pointing to target
     */
    private drawArrow;
    /**
     * Draw a rounded rectangle path
     */
    private roundRect;
    /**
     * Draw a horizontal separator line
     */
    drawSeparator(x: number, y: number, width: number): void;
    /**
     * Draw a series color indicator (small circle or square)
     */
    drawSeriesIndicator(x: number, y: number, color: string): void;
    /**
     * Measure text width
     */
    measureText(text: string, fontSize: number, fontWeight?: number | string): number;
    /**
     * Draw text with theme styling
     */
    drawText(text: string, x: number, y: number, options?: {
        fontSize?: number;
        fontWeight?: number | string;
        color?: string;
        align?: CanvasTextAlign;
        baseline?: CanvasTextBaseline;
    }): void;
    /**
     * Draw a label-value pair
     */
    drawLabelValue(x: number, y: number, label: string, value: string, maxWidth: number): void;
    /**
     * Get theme for external use
     */
    getTheme(): TooltipTheme;
}
/**
 * Create a tooltip renderer
 */
export declare function createTooltipRenderer(ctx: CanvasRenderingContext2D, theme: TooltipTheme): TooltipRenderer;