wave-roll/dist/lib/core/visualization/piano-roll/utils/sprite-pool-manager.d.ts

JavaScript Library for Comparative MIDI Piano-Roll Visualization

/**
 * Sprite pool management for efficient rendering
 */
import * as PIXI from 'pixi.js';
/**
 * Generic sprite pool manager for reusing display objects
 */
export declare class SpritePoolManager<T extends {
    visible: boolean;
    destroy: () => void;
}> {
    private factory;
    private container;
    private onSetup?;
    private pool;
    constructor(factory: () => T, container: PIXI.Container, onSetup?: ((sprite: T, index: number) => void) | undefined);
    /**
     * Resize the pool to match target size
     */
    resizePool(targetSize: number): T[];
    /**
     * Get a sprite at specific index
     */
    getSprite(index: number): T | undefined;
    /**
     * Get all sprites in the pool
     */
    getAllSprites(): T[];
    /**
     * Update all sprites with a callback
     */
    updateAll(callback: (sprite: T, index: number) => void): void;
    /**
     * Hide sprites beyond a certain index
     */
    hideAfterIndex(index: number): void;
    /**
     * Show all sprites
     */
    showAll(): void;
    /**
     * Get current pool size
     */
    get size(): number;
    /**
     * Clear and destroy all sprites
     */
    destroyPool(): void;
}
/**
 * Helper to create a sprite pool for PIXI.Sprite
 */
export declare function createSpritePool(container: PIXI.Container, texture?: PIXI.Texture, onSetup?: (sprite: PIXI.Sprite, index: number) => void): SpritePoolManager<PIXI.Sprite>;
/**
 * Helper to create a sprite pool for PIXI.Graphics
 */
export declare function createGraphicsPool(container: PIXI.Container, onSetup?: (graphics: PIXI.Graphics, index: number) => void): SpritePoolManager<PIXI.Graphics>;
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