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 struct SkISize { 14 int32_t fWidth; 15 int32_t fHeight; 16 MakeSkISize17 static constexpr SkISize Make(int32_t w, int32_t h) { return {w, h}; } 18 MakeEmptySkISize19 static constexpr SkISize MakeEmpty() { return {0, 0}; } 20 setSkISize21 void set(int32_t w, int32_t h) { *this = SkISize{w, h}; } 22 23 /** Returns true iff fWidth == 0 && fHeight == 0 24 */ isZeroSkISize25 bool isZero() const { return 0 == fWidth && 0 == fHeight; } 26 27 /** Returns true if either width or height are <= 0 */ isEmptySkISize28 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } 29 30 /** Set the width and height to 0 */ setEmptySkISize31 void setEmpty() { fWidth = fHeight = 0; } 32 widthSkISize33 constexpr int32_t width() const { return fWidth; } heightSkISize34 constexpr int32_t height() const { return fHeight; } 35 areaSkISize36 constexpr int64_t area() const { return fWidth * fHeight; } 37 equalsSkISize38 bool equals(int32_t w, int32_t h) const { return fWidth == w && fHeight == h; } 39 }; 40 41 static inline bool operator==(const SkISize& a, const SkISize& b) { 42 return a.fWidth == b.fWidth && a.fHeight == b.fHeight; 43 } 44 45 static inline bool operator!=(const SkISize& a, const SkISize& b) { return !(a == b); } 46 47 /////////////////////////////////////////////////////////////////////////////// 48 49 struct SkSize { 50 SkScalar fWidth; 51 SkScalar fHeight; 52 MakeSkSize53 static SkSize Make(SkScalar w, SkScalar h) { return {w, h}; } 54 MakeSkSize55 static SkSize Make(const SkISize& src) { 56 return {SkIntToScalar(src.width()), SkIntToScalar(src.height())}; 57 } 58 MakeEmptySkSize59 static SkSize MakeEmpty() { return {0, 0}; } 60 setSkSize61 void set(SkScalar w, SkScalar h) { *this = SkSize{w, h}; } 62 63 /** Returns true iff fWidth == 0 && fHeight == 0 64 */ isZeroSkSize65 bool isZero() const { return 0 == fWidth && 0 == fHeight; } 66 67 /** Returns true if either width or height are <= 0 */ isEmptySkSize68 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } 69 70 /** Set the width and height to 0 */ setEmptySkSize71 void setEmpty() { *this = SkSize{0, 0}; } 72 widthSkSize73 SkScalar width() const { return fWidth; } heightSkSize74 SkScalar height() const { return fHeight; } 75 equalsSkSize76 bool equals(SkScalar w, SkScalar h) const { return fWidth == w && fHeight == h; } 77 toRoundSkSize78 SkISize toRound() const { return {SkScalarRoundToInt(fWidth), SkScalarRoundToInt(fHeight)}; } 79 toCeilSkSize80 SkISize toCeil() const { return {SkScalarCeilToInt(fWidth), SkScalarCeilToInt(fHeight)}; } 81 toFloorSkSize82 SkISize toFloor() const { return {SkScalarFloorToInt(fWidth), SkScalarFloorToInt(fHeight)}; } 83 }; 84 85 static inline bool operator==(const SkSize& a, const SkSize& b) { 86 return a.fWidth == b.fWidth && a.fHeight == b.fHeight; 87 } 88 89 static inline bool operator!=(const SkSize& a, const SkSize& b) { return !(a == b); } 90 #endif 91