generateLayerPreviewImage

This API belongs to PluginNoteAPI and can only be called in NOTE.

static generateLayerPreviewImage(
  notePath: string,
  page: number,
  layer: number,
  imagePath: string
): Promise<APIResponse<boolean>>;

Parameters

Parameter	Type	Description
`notePath`	`string`	NOTE file path
`page`	`number`	Page index (starts from `0`)
`layer`	`number`	Layer index. `-1` indicates the background layer, `0` indicates the main layer, and `1~3` indicate custom layers
`imagePath`	`string`	Output path for the thumbnail image

Returns

APIResponse<boolean>: result === true indicates the layer thumbnail image was generated successfully

Example

import { PluginNoteAPI } from 'sn-plugin-lib';

/**
 * Example: generate a thumbnail image for a layer.
 */
export async function exampleGenerateLayerPreviewImage() {
  const res = await PluginNoteAPI.generateLayerPreviewImage(
    '/storage/emulated/0/Note/demo.note',
    0,
    0,
    '/storage/emulated/0/Note/out/layer-preview.png'
  );
  if (!res.success) {
    throw new Error(res.error?.message ?? 'generateLayerPreviewImage call failed');
  }
  return res.result;
}

​Example

Example