skia2/include/core/SkSize.h
Hal Canary fafe135349 SkSize can be aggregate-initialized
Previosly, SkSize had a base class, which prevented it.

Also removes unused SkISize::clampNegToZero() and
SkSize::clampNegToZero().

Change-Id: I7b93b42f6f6381c66e294bbedee99ad53c6c3436
Reviewed-on: https://skia-review.googlesource.com/13187
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2017-04-11 18:57:20 +00:00

93 lines
2.8 KiB
C

/*
* 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 "SkScalar.h"
struct SkISize {
int32_t fWidth;
int32_t fHeight;
static SkISize Make(int32_t w, int32_t h) { return {w, h}; }
static 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 widht or height are <= 0 */
bool isEmpty() const { return fWidth <= 0 || fHeight <= 0; }
/** Set the width and height to 0 */
void setEmpty() { fWidth = fHeight = 0; }
int32_t width() const { return fWidth; }
int32_t height() const { return 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())};
}
SkSize& operator=(const SkISize& src) {
return *this = SkSize{SkIntToScalar(src.fWidth), SkIntToScalar(src.fHeight)};
}
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 widht 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