1 /* 2 * Copyright (c) 2025 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 GRAPHICS_EFFECT_GE_SHADER_H 17 #define GRAPHICS_EFFECT_GE_SHADER_H 18 19 #include <any> 20 #include "draw/canvas.h" 21 #include "utils/rect.h" 22 #include "effect/shader_effect.h" 23 #include "ge_common.h" 24 25 namespace OHOS { 26 namespace Rosen { 27 class GE_EXPORT GEShader { 28 public: 29 GEShader() = default; 30 GEShader(const GEShader&) = delete; 31 virtual ~GEShader() = default; 32 33 virtual void MakeDrawingShader(const Drawing::Rect& rect, float progress) = 0; 34 GetDrawingShader()35 virtual const std::shared_ptr<Drawing::ShaderEffect>& GetDrawingShader() { return drShader_; } 36 37 virtual void DrawShader(Drawing::Canvas& canvas, const Drawing::Rect& rect); 38 Hash()39 uint32_t Hash() const { return hash_; } 40 SetCache(std::shared_ptr<std::any> cacheData)41 void SetCache(std::shared_ptr<std::any> cacheData) 42 { 43 cacheAnyPtr_ = cacheData; 44 } 45 GetCache()46 std::shared_ptr<std::any> GetCache() 47 { 48 return cacheAnyPtr_; 49 } 50 SetSupportHeadroom(float supportHeadroom)51 void SetSupportHeadroom(float supportHeadroom) 52 { 53 supportHeadroom_ = supportHeadroom; 54 } 55 56 protected: Preprocess(Drawing::Canvas & canvas,const Drawing::Rect & rect)57 virtual void Preprocess(Drawing::Canvas& canvas, const Drawing::Rect& rect) {} 58 59 protected: 60 uint32_t hash_ = 0; 61 float supportHeadroom_ = 0.0f; 62 std::shared_ptr<Drawing::ShaderEffect> drShader_ = nullptr; 63 std::shared_ptr<std::any> cacheAnyPtr_ = nullptr; 64 }; 65 } // namespace Rosen 66 } // namespace OHOS 67 68 #endif // GRAPHICS_EFFECT_GE_SHADER_H 69