248 lines
9.6 KiB
C#
248 lines
9.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Runtime.InteropServices;
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using IKapC.NET;
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using IKapBoardClassLibrary;
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using System.Threading;
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namespace LeatherApp.Device.CamerUtil
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{
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class IKDeviceCL : IKDevice
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{
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[DllImport("kernel32.dll")]
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public static extern void CopyMemory(IntPtr Destination, IntPtr Source, int Length);
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// 回调函数
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#region Callback
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delegate void IKapCallBackProc(IntPtr pParam);
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private IKapCallBackProc OnGrabStartProc;
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private IKapCallBackProc OnFrameLostProc;
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private IKapCallBackProc OnTimeoutProc;
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private IKapCallBackProc OnFrameReadyProc;
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private IKapCallBackProc OnGrabStopProc;
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#endregion
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public IKDeviceCL()
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{
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m_nType = 1;
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}
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public override bool openDevice(int nDevIndex, int nBoardIndex)
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{
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closeDevice();
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uint res = IKapCLib.ItkDevOpen((uint)nDevIndex
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, (int)(ItkDeviceAccessMode.ITKDEV_VAL_ACCESS_MODE_CONTROL)
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, ref m_pDev);
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if (!Check(res))
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{
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System.Diagnostics.Debug.WriteLine("Camera error:Open camera failed");
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return false;
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}
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m_nDevIndex = nDevIndex;
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//打开采集卡
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m_pBoard = IKapBoard.IKapOpen((uint)BoardType.IKBoardPCIE, (uint)nBoardIndex);
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m_nBoardIndex = nBoardIndex;
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if (m_pBoard == new IntPtr(-1))
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return false;
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return true;
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}
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public override bool isOpen()
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{
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return m_pDev != new IntPtr(-1) && m_pBoard != new IntPtr(-1);
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}
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public override bool closeDevice()
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{
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if (isOpen())
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{
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IKapBoard.IKapClose(m_pBoard);
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IKapCLib.ItkDevClose(m_pDev);
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}
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return true;
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}
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public override bool loadConfiguration(string sFilePath)
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{
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int ret = IKapBoard.IKapLoadConfigurationFromFile(m_pBoard, sFilePath);
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return ret == (int)ErrorCode.IK_RTN_OK;
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}
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public override bool createBuffer()
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{
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int ret = (int)ErrorCode.IK_RTN_OK;
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int nImageType = 0;
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ret = IKapBoard.IKapGetInfo(m_pBoard, (uint)INFO_ID.IKP_IMAGE_WIDTH, ref m_nWidth);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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ret = IKapBoard.IKapGetInfo(m_pBoard, (uint)INFO_ID.IKP_IMAGE_HEIGHT, ref m_nHeight);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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ret = IKapBoard.IKapGetInfo(m_pBoard, (uint)INFO_ID.IKP_IMAGE_TYPE, ref nImageType);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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ret = IKapBoard.IKapGetInfo(m_pBoard, (uint)INFO_ID.IKP_DATA_FORMAT, ref m_nDepth);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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ret = IKapBoard.IKapGetInfo(m_pBoard, (uint)INFO_ID.IKP_FRAME_SIZE, ref m_nBufferSize);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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switch (nImageType)
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{
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case 0:
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m_nChannels = 1;
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break;
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case 1:
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case 3:
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m_nChannels = 3;
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break;
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case 2:
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case 4:
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m_nChannels = 4;
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break;
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}
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m_pUserBuffer = Marshal.AllocHGlobal(m_nBufferSize);
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return true;
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}
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public override void clearBuffer()
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{
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if (m_pUserBuffer == new IntPtr(-1))
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return;
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Marshal.FreeHGlobal(m_pUserBuffer);
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m_pUserBuffer = new IntPtr(-1);
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}
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public override bool startGrab(int nCount)
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{
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int ret;
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// 设置抓取模式，IKP_GRAB_NON_BLOCK为非阻塞模式
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//int grab_mode = (int)GrabMode.IKP_GRAB_NON_BLOCK;
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//ret = IKapBoard.IKapSetInfo(m_pBoard, (uint)INFO_ID.IKP_GRAB_MODE, grab_mode);
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//if (ret != (int)ErrorCode.IK_RTN_OK)
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// return false;
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//// 设置帧传输模式，IKP_FRAME_TRANSFER_SYNCHRONOUS_NEXT_EMPTY_WITH_PROTECT为同步保存模式
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//int transfer_mode = (int)FrameTransferMode.IKP_FRAME_TRANSFER_SYNCHRONOUS_NEXT_EMPTY_WITH_PROTECT;
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//ret = IKapBoard.IKapSetInfo(m_pBoard, (uint)INFO_ID.IKP_FRAME_TRANSFER_MODE, transfer_mode);
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//if (ret != (int)ErrorCode.IK_RTN_OK)
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// return false;
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// 设置缓冲区格式
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//ret = IKapBoard.IKapSetInfo(m_pBoard, (uint)INFO_ID.IKP_FRAME_COUNT, m_nFrameCount);
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//if (ret != (int)ErrorCode.IK_RTN_OK)
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// return false;
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//// 设置帧超时时间
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//int timeout = -1;
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// ret = IKapBoard.IKapSetInfo(m_pBoard, (uint)INFO_ID.IKP_TIME_OUT, timeout);
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//if (ret != (int)ErrorCode.IK_RTN_OK)
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// return false;
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//// 设置采集模式。
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////
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//// Set grab mode.
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//int grab_mode = (int)GrabMode.IKP_GRAB_NON_BLOCK;
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//ret = IKapBoard.IKapSetInfo(m_pBoard, (uint)INFO_ID.IKP_GRAB_MODE, grab_mode);
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//if (ret != (int)ErrorCode.IK_RTN_OK)
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// return false;
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//// 设置传输模式。
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////
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//// Set transfer mode.
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//int transfer_mode = (int)FrameTransferMode.IKP_FRAME_TRANSFER_SYNCHRONOUS_NEXT_EMPTY_WITH_PROTECT;
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//ret = IKapBoard.IKapSetInfo(m_pBoard, (uint)INFO_ID.IKP_FRAME_TRANSFER_MODE, transfer_mode);
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//if (ret != (int)ErrorCode.IK_RTN_OK)
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// return false;
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// 注册回调函数
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IntPtr hPtr = new IntPtr(-1);
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OnGrabStartProc = new IKapCallBackProc(OnGrabStartFunc);
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ret = IKapBoard.IKapRegisterCallback(m_pBoard, (uint)CallBackEvents.IKEvent_GrabStart, Marshal.GetFunctionPointerForDelegate(OnGrabStartProc), hPtr);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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OnFrameReadyProc = new IKapCallBackProc(OnFrameReadyFunc);
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ret = IKapBoard.IKapRegisterCallback(m_pBoard, (uint)CallBackEvents.IKEvent_FrameReady, Marshal.GetFunctionPointerForDelegate(OnFrameReadyProc), hPtr);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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OnFrameLostProc = new IKapCallBackProc(OnFrameLostFunc);
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ret = IKapBoard.IKapRegisterCallback(m_pBoard, (uint)CallBackEvents.IKEvent_FrameLost, Marshal.GetFunctionPointerForDelegate(OnFrameLostProc), hPtr);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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OnTimeoutProc = new IKapCallBackProc(OnTimeoutFunc);
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ret = IKapBoard.IKapRegisterCallback(m_pBoard, (uint)CallBackEvents.IKEvent_TimeOut, Marshal.GetFunctionPointerForDelegate(OnTimeoutProc), hPtr);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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OnGrabStopProc = new IKapCallBackProc(OnGrabStopFunc);
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ret = IKapBoard.IKapRegisterCallback(m_pBoard, (uint)CallBackEvents.IKEvent_GrabStop, Marshal.GetFunctionPointerForDelegate(OnGrabStopProc), hPtr);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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m_bUpdateImage = false;
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m_nCurFrameIndex = 0;
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ret = IKapBoard.IKapStartGrab(m_pBoard, nCount);
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if (ret != (int)ErrorCode.IK_RTN_OK)
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return false;
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m_bGrabingImage = true;
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return true;
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}
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public override bool stopGrab()
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{
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IKapBoard.IKapStopGrab(m_pBoard);
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do
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{
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} while (m_bGrabingImage);
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return true;
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}
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#region Callback
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// 开始抓帧回调
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public void OnGrabStartFunc(IntPtr pParam)
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{
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Console.WriteLine("Start grabbing image");
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}
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// 丢帧回调
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public void OnFrameLostFunc(IntPtr pParam)
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{
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Console.WriteLine("Frame lost");
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}
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// 帧超时回调
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public void OnTimeoutFunc(IntPtr pParam)
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{
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Console.WriteLine("Grab image timeout");
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}
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// 一帧图像完成回调
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public void OnFrameReadyFunc(IntPtr pParam)
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{
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IntPtr hPtr = new IntPtr(-1);
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// 获取当前帧状态
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IKapBoard.IKAPBUFFERSTATUS status = new IKapBoard.IKAPBUFFERSTATUS();
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IKapBoard.IKapGetBufferStatus(m_pBoard, m_nCurFrameIndex, ref status);
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if (status.uFull == 1)
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{
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IKapBoard.IKapGetBufferAddress(m_pBoard, m_nCurFrameIndex, ref hPtr);
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lock (m_mutexImage)
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{
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CopyMemory(m_pUserBuffer, hPtr, m_nBufferSize);
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m_bUpdateImage = true;
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}
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}
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m_nCurFrameIndex++;
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m_nCurFrameIndex = m_nCurFrameIndex % m_nFrameCount;
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}
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// 停止抓取图像回调
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public void OnGrabStopFunc(IntPtr pParam)
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{
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Console.WriteLine("Stop grabbing image");
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m_bGrabingImage = false;
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}
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#endregion
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}
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}
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