1 /* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkSize_DEFINED 9 #define SkSize_DEFINED 10 11 #include "include/core/SkScalar.h" 12 13 #include <cstdint> 14 15 struct SkISize { 16 int32_t fWidth; 17 int32_t fHeight; 18 MakeSkISize19 static constexpr SkISize Make(int32_t w, int32_t h) { return {w, h}; } 20 MakeEmptySkISize21 static constexpr SkISize MakeEmpty() { return {0, 0}; } 22 setSkISize23 void set(int32_t w, int32_t h) { *this = SkISize{w, h}; } 24 25 /** Returns true iff fWidth == 0 && fHeight == 0 26 */ isZeroSkISize27 bool isZero() const { return 0 == fWidth && 0 == fHeight; } 28 29 /** Returns true if either width or height are <= 0 */ isEmptySkISize30 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } 31 32 /** Set the width and height to 0 */ setEmptySkISize33 void setEmpty() { fWidth = fHeight = 0; } 34 widthSkISize35 constexpr int32_t width() const { return fWidth; } heightSkISize36 constexpr int32_t height() const { return fHeight; } 37 areaSkISize38 constexpr int64_t area() const { return fWidth * fHeight; } 39 equalsSkISize40 bool equals(int32_t w, int32_t h) const { return fWidth == w && fHeight == h; } 41 }; 42 43 static inline bool operator==(const SkISize& a, const SkISize& b) { 44 return a.fWidth == b.fWidth && a.fHeight == b.fHeight; 45 } 46 47 static inline bool operator!=(const SkISize& a, const SkISize& b) { return !(a == b); } 48 49 /////////////////////////////////////////////////////////////////////////////// 50 51 struct SkSize { 52 SkScalar fWidth; 53 SkScalar fHeight; 54 MakeSkSize55 static SkSize Make(SkScalar w, SkScalar h) { return {w, h}; } 56 MakeSkSize57 static SkSize Make(const SkISize& src) { 58 return {SkIntToScalar(src.width()), SkIntToScalar(src.height())}; 59 } 60 MakeEmptySkSize61 static SkSize MakeEmpty() { return {0, 0}; } 62 setSkSize63 void set(SkScalar w, SkScalar h) { *this = SkSize{w, h}; } 64 65 /** Returns true iff fWidth == 0 && fHeight == 0 66 */ isZeroSkSize67 bool isZero() const { return 0 == fWidth && 0 == fHeight; } 68 69 /** Returns true if either width or height are <= 0 */ isEmptySkSize70 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } 71 72 /** Set the width and height to 0 */ setEmptySkSize73 void setEmpty() { *this = SkSize{0, 0}; } 74 widthSkSize75 SkScalar width() const { return fWidth; } heightSkSize76 SkScalar height() const { return fHeight; } 77 equalsSkSize78 bool equals(SkScalar w, SkScalar h) const { return fWidth == w && fHeight == h; } 79 toRoundSkSize80 SkISize toRound() const { return {SkScalarRoundToInt(fWidth), SkScalarRoundToInt(fHeight)}; } 81 toCeilSkSize82 SkISize toCeil() const { return {SkScalarCeilToInt(fWidth), SkScalarCeilToInt(fHeight)}; } 83 toFloorSkSize84 SkISize toFloor() const { return {SkScalarFloorToInt(fWidth), SkScalarFloorToInt(fHeight)}; } 85 }; 86 87 static inline bool operator==(const SkSize& a, const SkSize& b) { 88 return a.fWidth == b.fWidth && a.fHeight == b.fHeight; 89 } 90 91 static inline bool operator!=(const SkSize& a, const SkSize& b) { return !(a == b); } 92 #endif 93