/// <summary>
/// 第一帧条码图像需要setconfig
/// </summary>
public void SetConfig()
{
MvSMattingConfigParam omConfigParam = MvSMattingConfigParam.GetInstance();
MVAPI.mattingGetConfig(m_handle, ref omConfigParam);
omConfigParam.isEmphasis = 2; //参数可自定义
omConfigParam.isNewPackage = 1; //参数可自定义
omConfigParam.offsetHorizon = 0; //参数可自定义
omConfigParam.offsetVertical = 0; //参数可自定义
MVAPI.mattingSetConfig(m_handle, ref omConfigParam);
}
/// <summary>
/// 主处理函数
/// </summary>
/// <param name="bmp">传入图片</param>
/// <param name="mcList">条码信息</param>
/// <returns>传出图片</returns>
public void MattingProcess(System.Drawing.Bitmap bmp, List <MvBarCode.MvCodeInfo> mcList)
{
MvSMattingProcessParam omParam = MvSMattingProcessParam.GetInstance();
_omResult = MvSMattingProcessResult.GetInstance();
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
System.Drawing.Imaging.BitmapData bmpData = bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
var ptrImage = bmpData.Scan0;
MvsCommon.MvSImage img = MvsCommon.MvSImage.GetInstance();
img.Height = bmp.Height;
img.Width = bmp.Width;
img.ImageData = ptrImage;
img.DataType = Convert.ToInt32(MvsImgDataType.MVS_IMGDTP_U8);
img.Type = Convert.ToInt32(MvsImgType.MVS_IMGTP_UITL_Y);
omParam.pSrcImg = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MvsCommon.MvSImage)));
Marshal.StructureToPtr(img, omParam.pSrcImg, false);
var ptrPoint = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MvsCommon.MvSPoint)) * 12);
for (int j = 0; j < mcList.Count; j++)
{
for (int i = 0; i < mcList[j].Region.PtArray.Length; i++)
{
MvsCommon.MvSPoint pt;
pt.x = mcList[j].Region.PtArray[i].X;
pt.y = mcList[j].Region.PtArray[i].Y;
Marshal.StructureToPtr(pt, ptrPoint + Marshal.SizeOf(typeof(MvsCommon.MvSPoint)) * i, false);
}
}
omParam.pCodePos = ptrPoint;
omParam.nCode = 1;
MVAPI.mattingProcess(m_handle, ref omParam, ref _omResult);
bmp.UnlockBits(bmpData);
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="width">图像宽</param>
/// <param name="height">图像高</param>
/// <returns></returns>
public bool InitAlgorithm(Int32 width, Int32 height)
{
MvSMattingChannelParam omChannelParam = MvSMattingChannelParam.GetInstance();
omChannelParam.imgWidth = width;
omChannelParam.imgHeight = height;
//计算所需内存大小
int memChannelSize = MVAPI.mattingCalMemSize(ref omChannelParam);
m_handle = Marshal.AllocHGlobal(memChannelSize);
//初始化
int nResult = MVAPI.mattingInit(m_handle, ref omChannelParam);
if (nResult > memChannelSize)
{
MVAPI.mattingExit(m_handle);
return(false);
}
return(true);
}
/// <summary>
/// dispose
/// </summary>
public void Dispose()
{
MVAPI.mattingExit(m_handle);
Marshal.FreeHGlobal(m_handle);
}
public void SaveMattingPicture(string path, int ResizeRate)
{
MVAPI.mattingCompress(m_handle, _omResult.pSheetImg, ResizeRate, path);
}