music-score/src/jianpu-renderer/core/drawer/NoteDrawer.ts

/**
 * 音符绘制器
 * 
 * @description 绘制简谱数字、高低音点、附点、升降号等
 */

import { JianpuNote } from '../../models';

export class NoteDrawer {
  private renderMode: 'canvas' | 'svg';
  
  constructor(renderMode: 'canvas' | 'svg' = 'svg') {
    this.renderMode = renderMode;
  }
  
  /**
   * 绘制单个音符
   */
  drawNote(note: JianpuNote): SVGGElement {
    console.log(`[NoteDrawer] 绘制音符 ${note.pitch}`);
    
    // TODO: 实现音符绘制逻辑
    const g = document.createElementNS('http://www.w3.org/2000/svg', 'g');
    g.id = `vf-${note.id}`;
    return g;
  }
}