/// <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)
{
this.Width = 4000;
this.Height = 3000;
//初始化清晰度的算法
MvSSharpnessMeasureChannelParam smChannelParam = MvSSharpnessMeasureChannelParam.GetInstance();
smChannelParam.imgWidth = Width;
smChannelParam.imgHeight = Height;
int memSize = MVSHARP.sharpnessMeasureCalMemSize(ref smChannelParam);
MvBarCodeGlobalVar.Log.InfoFormat("sharpnessMeasureCalMemSize :{0}", memSize.ToString());
m_handle = Marshal.AllocHGlobal(memSize);
int result = MVSHARP.sharpnessMeasureInit(m_handle, ref smChannelParam);
MvBarCodeGlobalVar.Log.InfoFormat("sharpnessMeasureInit return :{0}", result.ToString());
if (result > memSize)
{
MVSHARP.sharpnessMeasureExit(m_handle);
//记下错误日志
//log.ErrorFormat("算法需要的内存{0}比最大支持的内存{1}大，此图片不进行清晰度", result, memSize);
}
return(true);
}
/// <summary>
/// 第一帧条码图像需要setconfig
/// </summary>
public void SetConfig()
{
MvSSharpnessMeasureConfigParam smConfigParam = MvSSharpnessMeasureConfigParam.GetInstance();
MVSHARP.sharpnessMeasureGetConfig(m_handle, ref smConfigParam);
smConfigParam.roi.left = 0;
smConfigParam.roi.top = 0;
smConfigParam.roi.right = Width - 1;
smConfigParam.roi.bottom = Height - 1;
smConfigParam.thScore = 30;
MVSHARP.sharpnessMeasureSetConfig(m_handle, ref smConfigParam);
}
/// <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 int Process(Bitmap bmp, string code, List <MvBarCode.MvCodeInfo> mcList, int flag)
{
MvSSharpnessMeasureProcessParam processParam = MvSSharpnessMeasureProcessParam.GetInstance();
MvSSharpnessMeasureProcessResult processResult = MvSSharpnessMeasureProcessResult.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 = bmpData.Height;
img.Width = bmpData.Width;
img.ImageData = ptrImage;
img.DataType = Convert.ToInt32(MvsImgDataType.MVS_IMGDTP_U8);
img.Type = Convert.ToInt32(MvsImgType.MVS_IMGTP_UITL_Y);
processParam.pSrcImg = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MvsCommon.MvSImage)));
Marshal.StructureToPtr(img, processParam.pSrcImg, false);
processParam.nRegion = 1;
processParam.bCmpFlag = flag;
var ptrPoint = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MvsCommon.MvSPoint)) * 12);
IntPtr ptrContent = IntPtr.Zero;
ptrContent = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MvSCodeContent)) * 10);
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);
}
MvSCodeContent codeContent = MvSCodeContent.GetInstance();
Array.Copy(Encoding.Default.GetBytes(mcList[j].Code), codeContent.content, mcList[j].CodeLen);
//codeContent.content = Encoding.Default.GetBytes(mcList[j].Code);
codeContent.len = mcList[j].CodeLen;
Marshal.StructureToPtr(codeContent, ptrContent + Marshal.SizeOf(typeof(MvSCodeContent)) * j, false);
//Marshal.StructureToPtr(codeContent, ptrContent, false);
}
processParam.Pts = ptrPoint;
processParam.CodeContent = ptrContent;
try
{
int result = MVSHARP.sharpnessMeasureProcess(m_handle, ref processParam, ref processResult);
}
catch (Exception ex)
{
MvBarCodeGlobalVar.Log.Error(ex);
}
bmp.UnlockBits(bmpData);
return(processResult.score);
}
public void Dispose()
{
MVSHARP.sharpnessMeasureExit(m_handle);
Marshal.FreeHGlobal(m_handle);
}