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 #ifndef UIEFFECT_EFFECT_SHADOW_BLENDER_H 16 #define UIEFFECT_EFFECT_SHADOW_BLENDER_H 17 18 #include "blender.h" 19 #include "ui_effect/utils.h" 20 21 namespace OHOS { 22 namespace Rosen { 23 constexpr std::pair<float, float> SHADOW_BLENDER_LIMITS {-100.f, 100.f}; 24 25 class ShadowBlender : public Blender { 26 public: ShadowBlender()27 ShadowBlender() 28 { 29 this->blenderType_ = Blender::SHADOW_BLENDER; 30 } 31 ~ShadowBlender() override = default; 32 SetCubicCoeff(float cubic)33 void SetCubicCoeff(float cubic) 34 { 35 cubic_ = UIEffect::GetLimitedPara(cubic, SHADOW_BLENDER_LIMITS); 36 } 37 GetCubicCoeff()38 float GetCubicCoeff() const 39 { 40 return cubic_; 41 } 42 SetQuadraticCoeff(float quadratic)43 void SetQuadraticCoeff(float quadratic) 44 { 45 quadratic_ = UIEffect::GetLimitedPara(quadratic, SHADOW_BLENDER_LIMITS); 46 } 47 GetQuadraticCoeff()48 float GetQuadraticCoeff() const 49 { 50 return quadratic_; 51 } 52 SetLinearCoeff(float linear)53 void SetLinearCoeff(float linear) 54 { 55 linear_ = UIEffect::GetLimitedPara(linear, SHADOW_BLENDER_LIMITS); 56 } 57 GetLinearCoeff()58 float GetLinearCoeff() const 59 { 60 return linear_; 61 } 62 SetConstantTerm(float constant)63 void SetConstantTerm(float constant) 64 { 65 constant_ = UIEffect::GetLimitedPara(constant, SHADOW_BLENDER_LIMITS); 66 } 67 GetConstantTerm()68 float GetConstantTerm() const 69 { 70 return constant_; 71 } 72 73 private: 74 float cubic_ = 0.0f; 75 float quadratic_ = 0.0f; 76 float linear_ = 0.0f; 77 float constant_ = 0.0f; 78 }; 79 } // namespace Rosen 80 } // namespace OHOS 81 #endif // UIEFFECT_EFFECT_SHADOW_BLENDER_H 82