HarmonyOS NDK 中的 opencv cv::mat 格式数据如何转为 ArkTS 正确解析的 pixelMap 图片数据

static napi_value TS2NAPI(napi_env env, napi_callback_info info) 
{ 
  // 获取TS层传来的参数 
  size_t argc = 1; 
  napi_value args; 
  napi_get_cb_info(env, info, &argc, &args, NULL, NULL); 
  napi_value input_array = args; 
  // 获取传入数组typedarray生成input_buffer 
  napi_typedarray_type type;// 数据类型 
  napi_value input_buffer; 
  size_t byte_offset;//数据偏移 
  size_t i, length;//数据字节大小 
  napi_get_typedarray_info(env, input_array, &type, &length, NULL, &input_buffer, &byte_offset); 
  // 获取数组数据z 
  void *data; 
  size_t byte_length; 
  napi_get_arraybuffer_info(env, input_buffer, &data, &byte_length); 
  if (type == napi_int32_array) { 
    int32_t *data_bytes = (int32_t *)(data); 
    for (i = 0; i < length/sizeof(int32_t); i++) { 
      OH_LOG_INFO(LOG_APP, "TS2NAPI: C++ %{public}d", *((int32_t *)(data_bytes) + i)); 
    } 
  } 
  return NULL; 
} 
TS侧 接收 Native侧返回的Array 
// NAPI层 array 传到TS层 
static napi_value NAPI2TS(napi_env env, napi_callback_info info) 
{ 
  // 数据个数 
  int num = 10; 
  // 创建output_buffer 
  napi_value output_buffer; 
  void *output_ptr = NULL; 
  napi_create_arraybuffer(env, num * sizeof(int32_t), &output_ptr, &output_buffer); 
  // output_array 
  napi_value output_array; 
  napi_create_typedarray(env, napi_int32_array, num, output_buffer, 0, &output_array); 
  // 给output_ptr、output_buffer赋值 
  int32_t * output_bytes = (int32_t *)output_ptr; 
  for (int32_t i = 0; i < num; i++) { 
  output_bytes[i] = i; 
} 
  for (int32_t i = 0; i < num; i++) { 
  OH_LOG_INFO(LOG_APP, "NAPI2TS: C++ %{public}d", *((int32_t *)(output_ptr) + i)); 
} 
  return output_array; 
}

let da:Record<string, number> = testNapi.CallbackToArkTs((value:object)=> 
{ 
  let data:Record<string, number> = value as Record<string, number>; 
  console.info("修改前type: " + data["type"].toString()) 
  console.info(JSON.stringify(value)) 
  data["type"] += 10 
  return value; 
}); 
console.info(JSON.stringify(da))

static bool Napi_AddPropertyInt32(napi_env env, napi_value obj, const char *key, int32_t value) { 
  napi_value key_napi = nullptr; 
  napi_status status = napi_create_string_utf8(env, key, NAPI_AUTO_LENGTH, &key_napi); 
  napi_value value_napi = nullptr; 
  status = napi_create_int32(env, value, &value_napi); 
  status = napi_set_property(env, obj, key_napi, value_napi); 
  return true; 
} 
static napi_value CallbackToArkTs(napi_env env, napi_callback_info info) { 
  // 获取ArkTS参数 
  size_t argc = 1; 
  napi_value js_cb = nullptr; 
  napi_get_cb_info(env, info, &argc, &js_cb, nullptr, nullptr); 
  // native回调到ts层的object 
  napi_value argv = nullptr; 
  napi_create_object(env, &argv); 
  Napi_AddPropertyInt32(env, argv, "type", 1); 
  Napi_AddPropertyInt32(env, argv, "index", 2); 
  // native回调到ts层 
  napi_value result = nullptr; 
  napi_call_function(env, NULL, js_cb, 1, &argv, &result); 
  // 获取ts修改后的object 
  napi_value typeNumber = nullptr; 
  napi_get_named_property(env, result, "type", &typeNumber); 
  int32_t number; 
  napi_get_value_int32(env, typeNumber, &number); 
  OH_LOG_INFO(LOG_APP, "修改后type: %{public}d", number); 
  // 返回修改后的object 
  return result; 
}