1 /* 2 * This file is part of RawTherapee. 3 * 4 * Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com> 5 * 6 * RawTherapee is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * RawTherapee is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with RawTherapee. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 #ifndef _MYTIME_ 20 #define _MYTIME_ 21 22 #ifdef WIN32 23 #include <windows.h> 24 #elif defined __APPLE__ 25 #include <sys/time.h> 26 #else 27 #include <ctime> 28 #endif 29 30 class MyTime 31 { 32 33 public: 34 #ifndef WIN32 35 timespec t; 36 #else 37 LONGLONG t; 38 LONGLONG baseFrequency; 39 MyTime() 40 { 41 LARGE_INTEGER ulf; 42 QueryPerformanceFrequency(&ulf); 43 baseFrequency = ulf.QuadPart; 44 QueryPerformanceCounter(&ulf); 45 t = ulf.QuadPart; 46 } 47 #endif 48 set()49 void set () 50 { 51 #ifdef WIN32 52 LARGE_INTEGER ulf; 53 QueryPerformanceCounter(&ulf); 54 t = ulf.QuadPart; 55 #elif defined __APPLE__ 56 struct timeval tv; 57 gettimeofday(&tv, NULL); 58 t.tv_sec = tv.tv_sec; 59 t.tv_nsec = tv.tv_usec * 1000; 60 #else 61 clock_gettime (CLOCK_REALTIME, &t); 62 #endif 63 } 64 etime(MyTime a)65 int etime (MyTime a) 66 { 67 #ifndef WIN32 68 return (t.tv_sec - a.t.tv_sec) * 1000000 + (t.tv_nsec - a.t.tv_nsec) / 1000; 69 #else 70 return (t - a.t) * 1000 / (baseFrequency / 1000); 71 #endif 72 } 73 }; 74 75 76 #endif 77