Timer.h

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/* Copyright (c) 2014-2017, ARM Limited and Contributors
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef TIMER_H
#define TIMER_H

#include <cstdio>

#if defined(_WIN32)
#else
#include <sys/time.h>
#endif

namespace MaliSDK
{
    class Timer
    {
    private:
        int frameCount;
        float fps;
        float lastTime;
    #if defined(_WIN32)
        double resetStamp;
        double invFreq;
        float lastInterval;
        float lastFpsUpdate;
    #else
        timeval startTime;
        timeval currentTime;
        float lastIntervalTime;
        float fpsTime;
    #endif
    public:
        Timer();

        void reset();

        float getTime();

        float getInterval();

        float getFPS();

        bool isTimePassed(float seconds = 1.0f);
    };
}
#endif /* TIMER_H */