1 /* 2 * Copyright (c) 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 16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_RENDER_ADAPTER_LINEAR_VECTOR_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_RENDER_ADAPTER_LINEAR_VECTOR_H 18 19 #include <vector> 20 21 #include "base/geometry/size.h" 22 #include "frameworks/base/utils/macros.h" 23 24 namespace OHOS::Ace::NG { 25 template<typename T> 26 class ACE_EXPORT LinearVector : public std::vector<T> { 27 public: 28 LinearVector() = default; LinearVector(const size_t n)29 explicit LinearVector(const size_t n) : std::vector<T>(n) {}; LinearVector(const size_t n,T value)30 LinearVector(const size_t n, T value) : std::vector<T>(n, value) {}; 31 ~LinearVector() = default; 32 33 LinearVector operator+(const LinearVector& linearVector) const 34 { 35 LinearVector longLinearVector = linearVector.size() > this->size() ? linearVector : *this; 36 const LinearVector* shortLinearVector = linearVector.size() <= this->size() ? &linearVector : this; 37 for (size_t i = 0; i < shortLinearVector->size(); ++i) { 38 longLinearVector[i] += shortLinearVector->at(i); 39 } 40 return longLinearVector; 41 } 42 43 LinearVector operator-(const LinearVector& linearVector) const 44 { 45 LinearVector longLinearVector = linearVector.size() > this->size() ? linearVector : *this; 46 const LinearVector* shortLinearVector = linearVector.size() <= this->size() ? &linearVector : this; 47 for (size_t i = 0; i < shortLinearVector->size(); ++i) { 48 longLinearVector[i] -= shortLinearVector->at(i); 49 } 50 return longLinearVector; 51 } 52 53 LinearVector operator*(const float scale) const 54 { 55 LinearVector linearVector = *this; 56 for (size_t i = 0; i < linearVector.size(); ++i) { 57 linearVector[i] *= scale; 58 } 59 return linearVector; 60 } 61 62 bool operator==(const LinearVector& linearVector) const 63 { 64 if (this->size() != linearVector.size()) { 65 return false; 66 } 67 for (size_t i = 0; i < linearVector.size(); ++i) { 68 if (!NearEqual(this->at(i), linearVector[i])) { 69 return false; 70 } 71 } 72 return true; 73 } 74 }; 75 } // namespace OHOS::Ace::NG 76 77 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_RENDER_ADAPTER_LINEAR_VECTOR_H 78