/* * Copyright (c) 2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define LOG_TAG "WallpaperJSUtil" #include "wallpaper_js_util.h" #include "export/color.h" #include "hilog_wrapper.h" namespace OHOS::WallpaperNAPI { constexpr const uint32_t COLOR_MASK{ 0xFF }; std::string WallpaperJSUtil::Convert2String(napi_env env, napi_value jsString) { size_t maxLen = WallpaperJSUtil::MAX_LEN; napi_status status = napi_get_value_string_utf8(env, jsString, NULL, 0, &maxLen); if (status != napi_ok) { GET_AND_THROW_LAST_ERROR((env)); maxLen = WallpaperJSUtil::MAX_LEN; } if (maxLen == 0) { return std::string(); } char *buf = new (std::nothrow) char[maxLen + 1](); if (buf == nullptr) { return std::string(); } size_t len = 0; status = napi_get_value_string_utf8(env, jsString, buf, maxLen + 1, &len); if (status != napi_ok) { GET_AND_THROW_LAST_ERROR((env)); } buf[len] = 0; std::string value(buf); delete[] buf; return value; } napi_value WallpaperJSUtil::Convert2JSRgbaArray(napi_env env, const std::vector &color) { HILOG_DEBUG("Convert2JSRgbaArray in"); napi_value result = nullptr; napi_status status = napi_create_array_with_length(env, color.size(), &result); if (status != napi_ok) { HILOG_DEBUG("Convert2JSRgbaArray failed"); return nullptr; } int index = 0; for (const auto it : color) { HILOG_DEBUG("Convert2JSRgbaArray for"); ColorManager::Color colors(it); napi_value red = nullptr; napi_value green = nullptr; napi_value blue = nullptr; napi_value alpha = nullptr; napi_create_int32(env, static_cast(colors.r * COLOR_MASK), &red); napi_create_int32(env, static_cast(colors.g * COLOR_MASK), &green); napi_create_int32(env, static_cast(colors.b * COLOR_MASK), &blue); napi_create_int32(env, static_cast(colors.a * COLOR_MASK), &alpha); napi_value element = nullptr; napi_create_object(env, &element); napi_set_named_property(env, element, "red", red); napi_set_named_property(env, element, "green", green); napi_set_named_property(env, element, "blue", blue); napi_set_named_property(env, element, "alpha", alpha); napi_set_element(env, result, index++, element); } return result; } } // namespace OHOS::WallpaperNAPI