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
15class SkString;
16
17/** \class SkTime
18    Platform-implemented utilities to return time of day, and millisecond counter.
19*/
20class SkTime {
21public:
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 SkMSec GetMSecs();
38};
39
40#if defined(SK_DEBUG) && defined(SK_BUILD_FOR_WIN32)
41    extern SkMSec gForceTickCount;
42#endif
43
44#define SK_TIME_FACTOR      1
45
46///////////////////////////////////////////////////////////////////////////////
47
48class SkAutoTime {
49public:
50    // The label is not deep-copied, so its address must remain valid for the
51    // lifetime of this object
52    SkAutoTime(const char* label = NULL, SkMSec minToDump = 0) : fLabel(label)
53    {
54        fNow = SkTime::GetMSecs();
55        fMinToDump = minToDump;
56    }
57    ~SkAutoTime()
58    {
59        SkMSec dur = SkTime::GetMSecs() - fNow;
60        if (dur >= fMinToDump) {
61            SkDebugf("%s %d\n", fLabel ? fLabel : "", dur);
62        }
63    }
64private:
65    const char* fLabel;
66    SkMSec      fNow;
67    SkMSec      fMinToDump;
68};
69#define SkAutoTime(...) SK_REQUIRE_LOCAL_VAR(SkAutoTime)
70
71#endif
72