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 "SkScalar.h" 12 13struct SkISize { 14 int32_t fWidth; 15 int32_t fHeight; 16 17 static SkISize Make(int32_t w, int32_t h) { return {w, h}; } 18 19 static SkISize MakeEmpty() { return {0, 0}; } 20 21 void set(int32_t w, int32_t h) { *this = SkISize{w, h}; } 22 23 /** Returns true iff fWidth == 0 && fHeight == 0 24 */ 25 bool isZero() const { return 0 == fWidth && 0 == fHeight; } 26 27 /** Returns true if either widht or height are <= 0 */ 28 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } 29 30 /** Set the width and height to 0 */ 31 void setEmpty() { fWidth = fHeight = 0; } 32 33 int32_t width() const { return fWidth; } 34 int32_t height() const { return fHeight; } 35 36 bool equals(int32_t w, int32_t h) const { return fWidth == w && fHeight == h; } 37}; 38 39static inline bool operator==(const SkISize& a, const SkISize& b) { 40 return a.fWidth == b.fWidth && a.fHeight == b.fHeight; 41} 42 43static inline bool operator!=(const SkISize& a, const SkISize& b) { return !(a == b); } 44 45/////////////////////////////////////////////////////////////////////////////// 46 47struct SkSize { 48 SkScalar fWidth; 49 SkScalar fHeight; 50 51 static SkSize Make(SkScalar w, SkScalar h) { return {w, h}; } 52 53 static SkSize Make(const SkISize& src) { 54 return {SkIntToScalar(src.width()), SkIntToScalar(src.height())}; 55 } 56 57 SkSize& operator=(const SkISize& src) { 58 return *this = SkSize{SkIntToScalar(src.fWidth), SkIntToScalar(src.fHeight)}; 59 } 60 61 static SkSize MakeEmpty() { return {0, 0}; } 62 63 void set(SkScalar w, SkScalar h) { *this = SkSize{w, h}; } 64 65 /** Returns true iff fWidth == 0 && fHeight == 0 66 */ 67 bool isZero() const { return 0 == fWidth && 0 == fHeight; } 68 69 /** Returns true if either widht or height are <= 0 */ 70 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } 71 72 /** Set the width and height to 0 */ 73 void setEmpty() { *this = SkSize{0, 0}; } 74 75 SkScalar width() const { return fWidth; } 76 SkScalar height() const { return fHeight; } 77 78 bool equals(SkScalar w, SkScalar h) const { return fWidth == w && fHeight == h; } 79 80 SkISize toRound() const { return {SkScalarRoundToInt(fWidth), SkScalarRoundToInt(fHeight)}; } 81 82 SkISize toCeil() const { return {SkScalarCeilToInt(fWidth), SkScalarCeilToInt(fHeight)}; } 83 84 SkISize toFloor() const { return {SkScalarFloorToInt(fWidth), SkScalarFloorToInt(fHeight)}; } 85}; 86 87static inline bool operator==(const SkSize& a, const SkSize& b) { 88 return a.fWidth == b.fWidth && a.fHeight == b.fHeight; 89} 90 91static inline bool operator!=(const SkSize& a, const SkSize& b) { return !(a == b); } 92#endif 93