1 /* 2 * Copyright (C) 2022 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 INTERFACES_KITS_JS_COMMON_INCLUDE_PIXEL_MAP_NAPI_H_ 17 #define INTERFACES_KITS_JS_COMMON_INCLUDE_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 static napi_value Unmarshalling(napi_env env, napi_callback_info info); 52 static void UnmarshallingComplete(napi_env env, napi_status status, void *data); 53 54 // methods 55 static napi_value ReadPixelsToBuffer(napi_env env, napi_callback_info info); 56 static napi_value ReadPixels(napi_env env, napi_callback_info info); 57 static napi_value WritePixels(napi_env env, napi_callback_info info); 58 static napi_value WriteBufferToPixels(napi_env env, napi_callback_info info); 59 static napi_value GetImageInfo(napi_env env, napi_callback_info info); 60 static napi_value GetBytesNumberPerRow(napi_env env, napi_callback_info info); 61 static napi_value GetPixelBytesNumber(napi_env env, napi_callback_info info); 62 static napi_value getPixelBytesCount(napi_env env, napi_callback_info info); 63 static napi_value IsSupportAlpha(napi_env env, napi_callback_info info); 64 static napi_value SetAlphaAble(napi_env env, napi_callback_info info); 65 static napi_value CreateAlphaPixelmap(napi_env env, napi_callback_info info); 66 static napi_value GetDensity(napi_env env, napi_callback_info info); 67 static napi_value SetDensity(napi_env env, napi_callback_info info); 68 static napi_value Release(napi_env env, napi_callback_info info); 69 static napi_value SetAlpha(napi_env env, napi_callback_info info); 70 71 static napi_value Scale(napi_env env, napi_callback_info info); 72 static napi_value Translate(napi_env env, napi_callback_info info); 73 static napi_value Rotate(napi_env env, napi_callback_info info); 74 static napi_value Flip(napi_env env, napi_callback_info info); 75 static napi_value Crop(napi_env env, napi_callback_info info); 76 77 static napi_value GetColorSpace(napi_env env, napi_callback_info info); 78 static napi_value SetColorSpace(napi_env env, napi_callback_info info); 79 static napi_value Marshalling(napi_env env, napi_callback_info info); 80 81 void release(); 82 static thread_local napi_ref sConstructor_; 83 static std::shared_ptr<PixelMap> sPixelMap_; 84 85 napi_env env_ = nullptr; 86 std::shared_ptr<PixelMap> nativePixelMap_; 87 std::shared_ptr<PixelMap> nativeInner_; 88 int32_t lockCount = 0; 89 bool isRelease = false; 90 }; 91 } // namespace Media 92 } // namespace OHOS 93 #endif // INTERFACES_KITS_JS_COMMON_INCLUDE_PIXEL_MAP_NAPI_H_ 94