using System;
using System.Runtime.InteropServices;
using TUCAMAPI;

namespace TUCamera
{
    public class TUCameraDrawBuffer : TUCameraIFrameProcess
    {
        private TUCamera m_camera;
        private FrameProcesserState m_state = FrameProcesserState.STOP;
        private object lockObj = new object();

        /// <summary>
        /// 预览
        /// </summary>
        /// <param name="camera">相机</param>
        public TUCameraDrawBuffer(TUCamera camera)
        {
            m_camera = camera;
        }

        public void DoProcess(ref TUCAM_FRAME frame)
        {
            if (m_state != FrameProcesserState.PLAY)
            {
                return;
            }

            //Console.WriteLine("返回buf");
            m_camera.CallbackDraw(frame, lockObj);
            //Console.WriteLine("返回buf结束");
        }

        public void Stop()
        {
            Console.WriteLine("预览------结束");
            m_state = FrameProcesserState.STOP;
        }

        public void Start()
        {
            Console.WriteLine("预览------开始");
            m_state = FrameProcesserState.PLAY;
        }


        public void Pause()
        {
            m_state = FrameProcesserState.PAUSE;
        }

        public void Resume()
        {
            m_state = FrameProcesserState.PLAY;
        }

        public FrameProcesserState GetStatus()
        {
            return m_state;
        }
    }
}