1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PIXEL_MAP_NAPI_H_ 17 #define PIXEL_MAP_NAPI_H_ 18 19 #include "pixel_map.h" 20 #include "image_type.h" 21 #include "image_source.h" 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 25 namespace OHOS { 26 namespace Media { 27 class PixelMapNapi { 28 public: 29 PixelMapNapi(); 30 ~PixelMapNapi(); 31 32 static napi_value Init(napi_env env, napi_value exports); 33 34 static napi_value CreatePixelMap(napi_env env, std::shared_ptr<PixelMap> pixelmap); 35 static std::shared_ptr<PixelMap> GetPixelMap(napi_env env, napi_value pixelmap); 36 std::shared_ptr<PixelMap>* GetPixelMap(); 37 bool IsLockPixelMap(); 38 bool LockPixelMap(); 39 void UnlockPixelMap(); 40 41 private: 42 static napi_value Constructor(napi_env env, napi_callback_info info); 43 static void Destructor(napi_env env, void *nativeObject, void *finalize); 44 45 // readonly property 46 static napi_value GetIsEditable(napi_env env, napi_callback_info info); 47 48 // static mothod 49 static napi_value CreatePixelMap(napi_env env, napi_callback_info info); 50 static void CreatePixelMapComplete(napi_env env, napi_status status, void *data); 51 52 // methods 53 static napi_value ReadPixelsToBuffer(napi_env env, napi_callback_info info); 54 static napi_value ReadPixels(napi_env env, napi_callback_info info); 55 static napi_value WritePixels(napi_env env, napi_callback_info info); 56 static napi_value WriteBufferToPixels(napi_env env, napi_callback_info info); 57 static napi_value GetImageInfo(napi_env env, napi_callback_info info); 58 static napi_value GetBytesNumberPerRow(napi_env env, napi_callback_info info); 59 static napi_value GetPixelBytesNumber(napi_env env, napi_callback_info info); 60 static napi_value getPixelBytesCount(napi_env env, napi_callback_info info); 61 static napi_value Release(napi_env env, napi_callback_info info); 62 63 static thread_local napi_ref sConstructor_; 64 static std::shared_ptr<PixelMap> sPixelMap_; 65 66 napi_env env_ = nullptr; 67 napi_ref wrapper_ = nullptr; 68 std::shared_ptr<PixelMap> nativePixelMap_; 69 int32_t lockCount = 0; 70 bool isRelease = false; 71 }; 72 } // namespace Media 73 } // namespace OHOS 74 #endif /* PIXEL_MAP_NAPI_H_ */ 75