1 /* 2 * Copyright (c) 2021-2023 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 #ifndef RENDER_SERVICE_CLIENT_CORE_RENDER_RS_BLUR_FILTER_H 16 #define RENDER_SERVICE_CLIENT_CORE_RENDER_RS_BLUR_FILTER_H 17 18 #include "include/core/SkColorFilter.h" 19 #ifdef NEW_SKIA 20 #include "include/effects/SkRuntimeEffect.h" 21 #endif 22 23 #include "property/rs_properties_painter.h" 24 #include "common/rs_macros.h" 25 #include "render/rs_skia_filter.h" 26 #include "render/rs_kawase_blur.h" 27 28 namespace OHOS { 29 namespace Rosen { 30 class RSB_EXPORT RSBlurFilter : public RSDrawingFilterOriginal { 31 public: 32 RSBlurFilter(float blurRadiusX, float blurRadiusY); 33 RSBlurFilter(const RSBlurFilter&) = delete; 34 RSBlurFilter operator=(const RSBlurFilter&) = delete; 35 ~RSBlurFilter() override; 36 float GetBlurRadiusX(); 37 float GetBlurRadiusY(); 38 bool IsValid() const override; 39 std::shared_ptr<RSDrawingFilterOriginal> Compose( 40 const std::shared_ptr<RSDrawingFilterOriginal>& other) const override; 41 std::string GetDescription() override; 42 std::string GetDetailedDescription() override; 43 44 std::shared_ptr<RSFilter> Add(const std::shared_ptr<RSFilter>& rhs) override; 45 std::shared_ptr<RSFilter> Sub(const std::shared_ptr<RSFilter>& rhs) override; 46 std::shared_ptr<RSFilter> Multiply(float rhs) override; 47 std::shared_ptr<RSFilter> Negate() override; 48 void DrawImageRect(Drawing::Canvas& canvas, const std::shared_ptr<Drawing::Image>& image, 49 const Drawing::Rect& src, const Drawing::Rect& dst) const override; 50 void SetGreyCoef(const std::optional<Vector2f>& greyCoef) override; 51 52 bool CanSkipFrame() const override; 53 54 bool IsNearEqual( 55 const std::shared_ptr<RSFilter>& other, float threshold = std::numeric_limits<float>::epsilon()) const override; 56 bool IsNearZero(float threshold = std::numeric_limits<float>::epsilon()) const override; 57 58 bool IsEqual(const std::shared_ptr<RSFilter>& other) const override; 59 bool IsEqualZero() const override; 60 61 private: 62 float blurRadiusX_; 63 float blurRadiusY_; 64 std::optional<Vector2f> greyCoef_; 65 }; 66 } // namespace Rosen 67 } // namespace OHOS 68 69 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_BLUR_FILTER_H