| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkSize_DEFINED |
| #define SkSize_DEFINED |
| |
| #include "include/core/SkScalar.h" |
| |
| #include <cstdint> |
| |
| struct SkISize { |
| int32_t fWidth; |
| int32_t fHeight; |
| |
| static constexpr SkISize Make(int32_t w, int32_t h) { return {w, h}; } |
| |
| static constexpr SkISize MakeEmpty() { return {0, 0}; } |
| |
| void set(int32_t w, int32_t h) { *this = SkISize{w, h}; } |
| |
| /** Returns true iff fWidth == 0 && fHeight == 0 |
| */ |
| bool isZero() const { return 0 == fWidth && 0 == fHeight; } |
| |
| /** Returns true if either width or height are <= 0 */ |
| bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } |
| |
| /** Set the width and height to 0 */ |
| void setEmpty() { fWidth = fHeight = 0; } |
| |
| constexpr int32_t width() const { return fWidth; } |
| constexpr int32_t height() const { return fHeight; } |
| |
| constexpr int64_t area() const { return fWidth * fHeight; } |
| |
| bool equals(int32_t w, int32_t h) const { return fWidth == w && fHeight == h; } |
| }; |
| |
| static inline bool operator==(const SkISize& a, const SkISize& b) { |
| return a.fWidth == b.fWidth && a.fHeight == b.fHeight; |
| } |
| |
| static inline bool operator!=(const SkISize& a, const SkISize& b) { return !(a == b); } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| struct SkSize { |
| SkScalar fWidth; |
| SkScalar fHeight; |
| |
| static SkSize Make(SkScalar w, SkScalar h) { return {w, h}; } |
| |
| static SkSize Make(const SkISize& src) { |
| return {SkIntToScalar(src.width()), SkIntToScalar(src.height())}; |
| } |
| |
| static SkSize MakeEmpty() { return {0, 0}; } |
| |
| void set(SkScalar w, SkScalar h) { *this = SkSize{w, h}; } |
| |
| /** Returns true iff fWidth == 0 && fHeight == 0 |
| */ |
| bool isZero() const { return 0 == fWidth && 0 == fHeight; } |
| |
| /** Returns true if either width or height are <= 0 */ |
| bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; } |
| |
| /** Set the width and height to 0 */ |
| void setEmpty() { *this = SkSize{0, 0}; } |
| |
| SkScalar width() const { return fWidth; } |
| SkScalar height() const { return fHeight; } |
| |
| bool equals(SkScalar w, SkScalar h) const { return fWidth == w && fHeight == h; } |
| |
| SkISize toRound() const { return {SkScalarRoundToInt(fWidth), SkScalarRoundToInt(fHeight)}; } |
| |
| SkISize toCeil() const { return {SkScalarCeilToInt(fWidth), SkScalarCeilToInt(fHeight)}; } |
| |
| SkISize toFloor() const { return {SkScalarFloorToInt(fWidth), SkScalarFloorToInt(fHeight)}; } |
| }; |
| |
| static inline bool operator==(const SkSize& a, const SkSize& b) { |
| return a.fWidth == b.fWidth && a.fHeight == b.fHeight; |
| } |
| |
| static inline bool operator!=(const SkSize& a, const SkSize& b) { return !(a == b); } |
| #endif |