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 "include/core/SkTypes.h" 14 #include "include/private/SkMacros.h" 15 16 class SkString; 17 18 /** \class SkTime 19 Platform-implemented utilities to return time of day, and millisecond counter. 20 */ 21 class SK_API SkTime { 22 public: 23 struct DateTime { 24 int16_t fTimeZoneMinutes; // The number of minutes that GetDateTime() 25 // is ahead of or behind UTC. 26 uint16_t fYear; //!< e.g. 2005 27 uint8_t fMonth; //!< 1..12 28 uint8_t fDayOfWeek; //!< 0..6, 0==Sunday 29 uint8_t fDay; //!< 1..31 30 uint8_t fHour; //!< 0..23 31 uint8_t fMinute; //!< 0..59 32 uint8_t fSecond; //!< 0..59 33 34 void toISO8601(SkString* dst) const; 35 }; 36 static void GetDateTime(DateTime*); 37 GetSecs()38 static double GetSecs() { return GetNSecs() * 1e-9; } GetMSecs()39 static double GetMSecs() { return GetNSecs() * 1e-6; } 40 static double GetNSecs(); 41 }; 42 43 /////////////////////////////////////////////////////////////////////////////// 44 45 class SkAutoTime { 46 public: 47 // The label is not deep-copied, so its address must remain valid for the 48 // lifetime of this object 49 SkAutoTime(const char* label = nullptr) fLabel(label)50 : fLabel(label) 51 , fNow(SkTime::GetMSecs()) {} ~SkAutoTime()52 ~SkAutoTime() { 53 uint64_t dur = static_cast<uint64_t>(SkTime::GetMSecs() - fNow); 54 SkDebugf("%s %ld\n", fLabel ? fLabel : "", dur); 55 } 56 private: 57 const char* fLabel; 58 double fNow; 59 }; 60 #define SkAutoTime(...) SK_REQUIRE_LOCAL_VAR(SkAutoTime) 61 62 #endif 63