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
15struct SkISize {
16 int32_t fWidth;
17 int32_t fHeight;
18
19 static constexpr SkISize Make(int32_t w, int32_t h) { return {.fWidth: w, .fHeight: h}; }
20
21 static constexpr SkISize MakeEmpty() { return {.fWidth: 0, .fHeight: 0}; }
22
23 void set(int32_t w, int32_t h) { *this = SkISize{.fWidth: w, .fHeight: h}; }
24
25 /** Returns true iff fWidth == 0 && fHeight == 0
26 */
27 bool isZero() const { return 0 == fWidth && 0 == fHeight; }
28
29 /** Returns true if either width or height are <= 0 */
30 bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; }
31
32 /** Set the width and height to 0 */
33 void setEmpty() { fWidth = fHeight = 0; }
34
35 constexpr int32_t width() const { return fWidth; }
36 constexpr int32_t height() const { return fHeight; }
37
38 constexpr int64_t area() const { return fWidth * fHeight; }
39
40 bool equals(int32_t w, int32_t h) const { return fWidth == w && fHeight == h; }
41};
42
43static inline bool operator==(const SkISize& a, const SkISize& b) {
44 return a.fWidth == b.fWidth && a.fHeight == b.fHeight;
45}
46
47static inline bool operator!=(const SkISize& a, const SkISize& b) { return !(a == b); }
48
49///////////////////////////////////////////////////////////////////////////////
50
51struct SkSize {
52 SkScalar fWidth;
53 SkScalar fHeight;
54
55 static SkSize Make(SkScalar w, SkScalar h) { return {.fWidth: w, .fHeight: h}; }
56
57 static SkSize Make(const SkISize& src) {
58 return {SkIntToScalar(src.width()), SkIntToScalar(src.height())};
59 }
60
61 static SkSize MakeEmpty() { return {.fWidth: 0, .fHeight: 0}; }
62
63 void set(SkScalar w, SkScalar h) { *this = SkSize{.fWidth: w, .fHeight: 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 width 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{.fWidth: 0, .fHeight: 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

source code of flutter_engine/third_party/skia/include/core/SkSize.h