import { OrbitCameraOptions } from './camera/OrbitCamera';
import { OrbitControllerOptions } from './controls/OrbitController';
import { Axes3DOptions } from './Axes3D';
import { Renderer3DOptions, Renderer3DEventCallback } from './types';
import { CustomThemeOptions } from './colorThemes';

export interface SurfaceBarData {
    /** Number of rows in the grid (Z axis) */
    rows: number;
    /** Number of columns in the grid (X axis) */
    cols: number;
    /** Height values for each bar [v_0_0, v_0_1, ..., v_r-1_c-1] */
    heights: Float32Array;
    /** Colors per bar [r0, g0, b0, ...] (optional) */
    colors?: Float32Array;
    /** Origin point of the grid [x, y, z] (default [0,0,0]) */
    origin?: [number, number, number];
    /** Spacing between bars [dx, dz] (default [1,1]) */
    spacing?: [number, number];
}
export interface SurfaceBar3DRendererOptions extends Renderer3DOptions {
    camera?: OrbitCameraOptions;
    controls?: OrbitControllerOptions;
    axes?: Axes3DOptions;
    showAxes?: boolean;
    /** Opacity (default: 1.0) */
    opacity?: number;
    /** Bar scale (default: 1.0) */
    barScale?: number;
    /** Color theme options */
    theme?: CustomThemeOptions;
    /** Enable tooltips */
    enableTooltip?: boolean;
}
export declare class SurfaceBar3DRenderer {
    private canvas;
    private gl;
    private dpr;
    private programs;
    private camera;
    private controller;
    private axes;
    private vao;
    private positionBuffer;
    private indexBuffer;
    private indexCount;
    private instancePosBuffer;
    private heightBuffer;
    private colorBuffer;
    private barCount;
    private backgroundColor;
    private barWidth;
    private barDepth;
    private barScale;
    private opacity;
    private data;
    private bounds;
    private animationFrameId;
    private needsRender;
    private eventListeners;
    private tooltip;
    private lastHitIndex;
    private boundHandleMouseMove?;
    private boundHandleMouseLeave?;
    private colorTheme;
    constructor(options: SurfaceBar3DRendererOptions);
    private initBuffers;
    setData(data: SurfaceBarData): void;
    private updateBounds;
    private generateThemeColors;
    render(): void;
    private startRenderLoop;
    fitToData(): void;
    private handleMouseMove;
    private handleMouseLeave;
    private handleResize;
    private resize;
    getCanvasSize(): {
        width: number;
        height: number;
    };
    getAxisLabels(): import('./Axes3D').AxisLabel3D[];
    getViewProjectionMatrix(): import('./math').Mat4Type;
    projectToScreen(worldPos: [number, number, number]): {
        x: number;
        y: number;
        visible: boolean;
    };
    on(event: string, callback: Renderer3DEventCallback): void;
    private emitEvent;
    destroy(): void;
}