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
13struct SkISize {
14 int32_t fWidth;
15 int32_t fHeight;
16
17 static constexpr SkISize Make(int32_t w, int32_t h) { return {w, h}; }
18
19 static constexpr 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 width 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 constexpr int32_t width() const { return fWidth; }
34 constexpr int32_t height() const { return fHeight; }
35
36 constexpr int64_t area() const { return fWidth * fHeight; }
37
38 bool equals(int32_t w, int32_t h) const { return fWidth == w && fHeight == h; }
39};
40
41static inline bool operator==(const SkISize& a, const SkISize& b) {
42 return a.fWidth == b.fWidth && a.fHeight == b.fHeight;
43}
44
45static inline bool operator!=(const SkISize& a, const SkISize& b) { return !(a == b); }
46
47///////////////////////////////////////////////////////////////////////////////
48
49struct SkSize {
50 SkScalar fWidth;
51 SkScalar fHeight;
52
53 static SkSize Make(SkScalar w, SkScalar h) { return {w, h}; }
54
55 static SkSize Make(const SkISize& src) {
56 return {SkIntToScalar(src.width()), SkIntToScalar(src.height())};
57 }
58
59 static SkSize MakeEmpty() { return {0, 0}; }
60
61 void set(SkScalar w, SkScalar h) { *this = SkSize{w, h}; }
62
63 /** Returns true iff fWidth == 0 && fHeight == 0
64 */
65 bool isZero() const { return 0 == fWidth && 0 == fHeight; }
66
67 /** Returns true if either width or height are <= 0 */
68 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; }
69
70 /** Set the width and height to 0 */
71 void setEmpty() { *this = SkSize{0, 0}; }
72
73 SkScalar width() const { return fWidth; }
74 SkScalar height() const { return fHeight; }
75
76 bool equals(SkScalar w, SkScalar h) const { return fWidth == w && fHeight == h; }
77
78 SkISize toRound() const { return {SkScalarRoundToInt(fWidth), SkScalarRoundToInt(fHeight)}; }
79
80 SkISize toCeil() const { return {SkScalarCeilToInt(fWidth), SkScalarCeilToInt(fHeight)}; }
81
82 SkISize toFloor() const { return {SkScalarFloorToInt(fWidth), SkScalarFloorToInt(fHeight)}; }
83};
84
85static inline bool operator==(const SkSize& a, const SkSize& b) {
86 return a.fWidth == b.fWidth && a.fHeight == b.fHeight;
87}
88
89static inline bool operator!=(const SkSize& a, const SkSize& b) { return !(a == b); }
90#endif
91