1 /* 2 * Copyright (c) 2021 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_BASE_GEOMETRY_DIMENSION_SIZE_H 17 #define FOUNDATION_ACE_FRAMEWORKS_BASE_GEOMETRY_DIMENSION_SIZE_H 18 19 #include <iomanip> 20 #include <limits> 21 #include <sstream> 22 #include <string> 23 24 #include "base/geometry/dimension.h" 25 #include "base/utils/utils.h" 26 27 namespace OHOS::Ace { 28 29 class DimensionSize { 30 public: 31 static constexpr double INFINITE_SIZE = std::numeric_limits<double>::max(); 32 DimensionSize() = default; 33 ~DimensionSize() = default; DimensionSize(const Dimension & width,const Dimension & height)34 DimensionSize(const Dimension& width, const Dimension& height) : width_(width), height_(height) {} 35 Width()36 const Dimension& Width() const 37 { 38 return width_; 39 } 40 Height()41 const Dimension& Height() const 42 { 43 return height_; 44 } 45 SetWidth(const Dimension & width)46 void SetWidth(const Dimension& width) 47 { 48 width_ = width; 49 } 50 SetHeight(const Dimension & height)51 void SetHeight(const Dimension& height) 52 { 53 height_ = height; 54 } 55 SetSize(const DimensionSize & size)56 void SetSize(const DimensionSize& size) 57 { 58 width_ = size.Width(); 59 height_ = size.Height(); 60 } 61 62 template<class T> CalcRatio(const T & rectangle)63 static double CalcRatio(const T& rectangle) 64 { 65 if (NearZero(static_cast<double>(rectangle.Height()))) { 66 return INFINITE_SIZE; 67 } 68 return static_cast<double>(rectangle.Width()) / static_cast<double>(rectangle.Height()); 69 } 70 ToString()71 std::string ToString() const 72 { 73 std::stringstream ss; 74 ss << "[" << std::fixed << std::setprecision(2); 75 if (NearEqual(width_.Value(), INFINITE_SIZE)) { 76 ss << "INFINITE"; 77 } else { 78 ss << width_.ToString(); 79 } 80 ss << " x "; 81 if (NearEqual(height_.Value(), INFINITE_SIZE)) { 82 ss << "INFINITE"; 83 } else { 84 ss << height_.ToString(); 85 } 86 ss << "]"; 87 std::string output = ss.str(); 88 return output; 89 } 90 91 private: 92 Dimension width_ = 0.0_vp; 93 Dimension height_ = 0.0_vp; 94 }; 95 96 } // namespace OHOS::Ace 97 98 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_GEOMETRY_DIMENSION_SIZE_H 99