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 "common/rs_macros.h" 24 #include "render/rs_skia_filter.h" 25 #include "render/rs_kawase_blur.h" 26 27 namespace OHOS { 28 namespace Rosen { 29 #ifndef USE_ROSEN_DRAWING 30 class RSB_EXPORT RSBlurFilter : public RSSkiaFilter { 31 #else 32 class RSB_EXPORT RSBlurFilter : public RSDrawingFilter { 33 #endif 34 public: 35 RSBlurFilter(float blurRadiusX, float blurRadiusY); 36 RSBlurFilter(const RSBlurFilter&) = delete; 37 RSBlurFilter operator=(const RSBlurFilter&) = delete; 38 ~RSBlurFilter() override; 39 float GetBlurRadiusX(); 40 float GetBlurRadiusY(); 41 bool IsValid() const override; 42 #ifndef USE_ROSEN_DRAWING 43 std::shared_ptr<RSSkiaFilter> Compose(const std::shared_ptr<RSSkiaFilter>& other) const override; 44 #else 45 std::shared_ptr<RSDrawingFilter> Compose(const std::shared_ptr<RSDrawingFilter>& other) const override; 46 #endif 47 std::string GetDescription() override; 48 49 std::shared_ptr<RSFilter> Add(const std::shared_ptr<RSFilter>& rhs) override; 50 std::shared_ptr<RSFilter> Sub(const std::shared_ptr<RSFilter>& rhs) override; 51 std::shared_ptr<RSFilter> Multiply(float rhs) override; 52 std::shared_ptr<RSFilter> Negate() override; 53 #ifndef USE_ROSEN_DRAWING 54 void DrawImageRect( 55 SkCanvas& canvas, const sk_sp<SkImage>& image, const SkRect& src, const SkRect& dst) const override; 56 #else 57 void DrawImageRect(Drawing::Canvas& canvas, const std::shared_ptr<Drawing::Image>& image, 58 const Drawing::Rect& src, const Drawing::Rect& dst) const override; 59 #endif 60 61 bool CanSkipFrame() const override; 62 63 private: 64 float blurRadiusX_; 65 float blurRadiusY_; 66 #ifndef USE_ROSEN_DRAWING 67 bool useKawase_ = false; 68 static std::shared_ptr<KawaseBlurFilter> kawaseFunc_; 69 #endif 70 }; 71 } // namespace Rosen 72 } // namespace OHOS 73 74 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_BLUR_FILTER_H