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 RENDER_SERVICE_CLIENT_CORE_RENDER_RS_HPS_BLUR_H 17 #define RENDER_SERVICE_CLIENT_CORE_RENDER_RS_HPS_BLUR_H 18 19 #include "draw/canvas.h" 20 #include "effect/color_filter.h" 21 #include "effect/runtime_effect.h" 22 #include "image/image.h" 23 #include "utils/matrix.h" 24 #include "utils/rect.h" 25 26 namespace OHOS { 27 namespace Rosen { 28 class RSB_EXPORT HpsBlurFilter { 29 public: 30 ~HpsBlurFilter() = default; 31 bool ApplyHpsBlur(Drawing::Canvas& canvas, const std::shared_ptr<Drawing::Image>& image, 32 const Drawing::HpsBlurParameter& param, float alpha, 33 std::shared_ptr<Drawing::ColorFilter> colorFilter = nullptr) const; GetHpsBlurFilter()34 const static HpsBlurFilter& GetHpsBlurFilter() 35 { 36 static HpsBlurFilter filter; 37 return filter; 38 } 39 40 private: 41 HpsBlurFilter() = default; 42 static Drawing::Matrix GetShaderTransform(const Drawing::Rect& blurRect, float scaleW = 1.0f, float scaleH = 1.0f); 43 std::shared_ptr<Drawing::RuntimeEffect> GetMixEffect() const; 44 bool SetShaderEffect(Drawing::Brush& brush, std::shared_ptr<Drawing::ShaderEffect> blurShader, 45 std::shared_ptr<Drawing::Image> imageCache) const; 46 }; 47 } // namespace Rosen 48 } // namespace OHOS 49 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_HPS_BLUR_H