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 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 GetMSecs()37 static SkMSec GetMSecs() { return (SkMSec)(GetNSecs() * 1e-6); } 38 static double GetNSecs(); 39 }; 40 41 #define SK_TIME_FACTOR 1 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 fLabel(label)49 SkAutoTime(const char* label = NULL, SkMSec minToDump = 0) : fLabel(label) 50 { 51 fNow = SkTime::GetMSecs(); 52 fMinToDump = minToDump; 53 } ~SkAutoTime()54 ~SkAutoTime() 55 { 56 SkMSec dur = SkTime::GetMSecs() - fNow; 57 if (dur >= fMinToDump) { 58 SkDebugf("%s %d\n", fLabel ? fLabel : "", dur); 59 } 60 } 61 private: 62 const char* fLabel; 63 SkMSec fNow; 64 SkMSec fMinToDump; 65 }; 66 #define SkAutoTime(...) SK_REQUIRE_LOCAL_VAR(SkAutoTime) 67 68 #endif 69