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 PATH_EFFECT_H 17 #define PATH_EFFECT_H 18 19 #include "draw/path.h" 20 #include "drawing/engine_adapter/impl_interface/path_effect_impl.h" 21 #include "utils/drawing_macros.h" 22 #include "utils/scalar.h" 23 24 namespace OHOS { 25 namespace Rosen { 26 namespace Drawing { 27 enum class PathDashStyle { 28 TRANSLATE, 29 ROTATE, 30 MORPH, 31 }; 32 class DRAWING_API PathEffect { 33 public: 34 enum class PathEffectType { 35 NO_TYPE, 36 DASH, 37 PATH_DASH, 38 CORNER, 39 DISCRETE, 40 SUM, 41 COMPOSE, 42 }; 43 44 static std::shared_ptr<PathEffect> CreateDashPathEffect(const scalar intervals[], int count, scalar phase); 45 static std::shared_ptr<PathEffect> CreatePathDashEffect( 46 const Path& path, scalar advance, scalar phase, PathDashStyle style); 47 static std::shared_ptr<PathEffect> CreateCornerPathEffect(scalar radius); 48 static std::shared_ptr<PathEffect> CreateDiscretePathEffect(scalar segLength, scalar dev, uint32_t seedAssist = 0); 49 static std::shared_ptr<PathEffect> CreateSumPathEffect(PathEffect& e1, PathEffect& e2); 50 static std::shared_ptr<PathEffect> CreateComposePathEffect(PathEffect& e1, PathEffect& e2); 51 ~PathEffect()52 virtual ~PathEffect() {} 53 PathEffectType GetType() const; GetDrawingType()54 virtual DrawingType GetDrawingType() const 55 { 56 return DrawingType::COMMON; 57 } 58 PathEffect(PathEffectType t, const scalar intervals[], int count, scalar phase) noexcept; 59 PathEffect(PathEffectType t, const Path& path, scalar advance, scalar phase, PathDashStyle style) noexcept; 60 PathEffect(PathEffectType t, scalar radius) noexcept; 61 PathEffect(PathEffectType t, scalar segLength, scalar dev, uint32_t seedAssist) noexcept; 62 PathEffect(PathEffectType t, PathEffect& e1, PathEffect& e2) noexcept; 63 PathEffect(PathEffectType t) noexcept; 64 65 template<typename T> GetImpl()66 T* GetImpl() const 67 { 68 return impl_->DowncastingTo<T>(); 69 } 70 71 std::shared_ptr<Data> Serialize() const; 72 bool Deserialize(std::shared_ptr<Data> data); 73 protected: 74 PathEffect() noexcept; 75 76 private: 77 PathEffectType type_; 78 std::shared_ptr<PathEffectImpl> impl_; 79 }; 80 } // namespace Drawing 81 } // namespace Rosen 82 } // namespace OHOS 83 #endif