1 2 /* 3 * Copyright 2006 The Android Open Source Project 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #ifndef SkTime_DEFINED 11 #define SkTime_DEFINED 12 13 #include "SkTypes.h" 14 15 class SkString; 16 17 /** \class SkTime 18 Platform-implemented utilities to return time of day, and millisecond counter. 19 */ 20 class SK_API SkTime { 21 public: 22 struct DateTime { 23 int16_t fTimeZoneMinutes; // The number of minutes that GetDateTime() 24 // is ahead of or behind UTC. 25 uint16_t fYear; //!< e.g. 2005 26 uint8_t fMonth; //!< 1..12 27 uint8_t fDayOfWeek; //!< 0..6, 0==Sunday 28 uint8_t fDay; //!< 1..31 29 uint8_t fHour; //!< 0..23 30 uint8_t fMinute; //!< 0..59 31 uint8_t fSecond; //!< 0..59 32 33 void toISO8601(SkString* dst) const; 34 }; 35 static void GetDateTime(DateTime*); 36 37 static double GetSecs() { return GetNSecs() * 1e-9; } 38 static double GetMSecs() { return GetNSecs() * 1e-6; } 39 static double GetNSecs(); 40 }; 41 42 /////////////////////////////////////////////////////////////////////////////// 43 44 class SkAutoTime { 45 public: 46 // The label is not deep-copied, so its address must remain valid for the 47 // lifetime of this object 48 SkAutoTime(const char* label = nullptr) 49 : fLabel(label) 50 , fNow(SkTime::GetMSecs()) {} 51 ~SkAutoTime() { 52 uint64_t dur = static_cast<uint64_t>(SkTime::GetMSecs() - fNow); 53 SkDebugf("%s %ld\n", fLabel ? fLabel : "", dur); 54 } 55 private: 56 const char* fLabel; 57 double fNow; 58 }; 59 #define SkAutoTime(...) SK_REQUIRE_LOCAL_VAR(SkAutoTime) 60 61 #endif 62
