SkTime.h revision ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976e 
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 SkTime
16    Platform-implemented utilities to return time of day, and millisecond counter.
17*/
18class SkTime {
19public:
20    struct DateTime {
21        uint16_t fYear;          //!< e.g. 2005
22        uint8_t  fMonth;         //!< 1..12
23        uint8_t  fDayOfWeek;     //!< 0..6, 0==Sunday
24        uint8_t  fDay;           //!< 1..31
25        uint8_t  fHour;          //!< 0..23
26        uint8_t  fMinute;        //!< 0..59
27        uint8_t  fSecond;        //!< 0..59
28    };
29    static void GetDateTime(DateTime*);
30
31    static SkMSec GetMSecs();
32};
33
34#if defined(SK_DEBUG) && defined(SK_BUILD_FOR_WIN32)
35    extern SkMSec gForceTickCount;
36#endif
37
38#define SK_TIME_FACTOR      1
39
40///////////////////////////////////////////////////////////////////////////////
41
42class SkAutoTime {
43public:
44    // The label is not deep-copied, so its address must remain valid for the
45    // lifetime of this object
46    SkAutoTime(const char* label = NULL, SkMSec minToDump = 0) : fLabel(label)
47    {
48        fNow = SkTime::GetMSecs();
49        fMinToDump = minToDump;
50    }
51    ~SkAutoTime()
52    {
53        SkMSec dur = SkTime::GetMSecs() - fNow;
54        if (dur >= fMinToDump) {
55            SkDebugf("%s %d\n", fLabel ? fLabel : "", dur);
56        }
57    }
58private:
59    const char* fLabel;
60    SkMSec      fNow;
61    SkMSec      fMinToDump;
62};
63
64#endif
65
66