1 /* 2 * Copyright (c) 2024 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 OHOS_ROSEN_JS_PATH_ITERATOR_H 17 #define OHOS_ROSEN_JS_PATH_ITERATOR_H 18 19 #include <memory> 20 #include <native_engine/native_engine.h> 21 #include <native_engine/native_value.h> 22 23 #include "draw/path_iterator.h" 24 #include "js_drawing_utils.h" 25 26 namespace OHOS::Rosen { 27 namespace Drawing { 28 class JsPathIterator final { 29 public: JsPathIterator(PathIterator * iter)30 explicit JsPathIterator(PathIterator* iter) : m_iter(iter) {}; 31 ~JsPathIterator(); 32 33 static napi_value Init(napi_env env, napi_value exportObj); 34 static napi_value Constructor(napi_env env, napi_callback_info info); 35 static void Destructor(napi_env env, void *nativeObject, void *finalize); 36 static napi_value CreateJsPathIterator(napi_env env, PathIterator* iter); 37 static napi_value Next(napi_env env, napi_callback_info info); 38 static napi_value HasNext(napi_env env, napi_callback_info info); 39 static napi_value Peek(napi_env env, napi_callback_info info); 40 PathIterator* GetPathIterator(); 41 42 private: 43 napi_value OnNext(napi_env env, napi_callback_info info); 44 napi_value OnHasNext(napi_env env, napi_callback_info info); 45 napi_value OnPeek(napi_env env, napi_callback_info info); 46 47 PathVerb nextInternal(); 48 PathVerb getReturnVerb(const PathVerb& cachedVerb); 49 50 static thread_local napi_ref constructor_; 51 PathIterator* m_iter = nullptr; 52 PathVerb m_verb = PathVerb::UNINIT; 53 bool m_done = false; 54 Point m_points[MAX_PAIRS_PATHVERB] = {{0, 0}}; 55 }; 56 } // namespace Drawing 57 } // namespace OHOS::Rosen 58 #endif // OHOS_ROSEN_JS_PATH_ITERATOR_H 59