public System.Drawing.Bitmap GetBitmap()
{
MvsCommon.MvSImage imageinfo =
(MvsCommon.MvSImage)Marshal.PtrToStructure(_omResult.pSheetImg, typeof(MvsCommon.MvSImage));
int width = imageinfo.Width, height = imageinfo.Height;
var fmt = PixelFormat.Format8bppIndexed;
Bitmap returnBmp = new Bitmap(width, height, fmt);
var palette = returnBmp.Palette;
for (var ii = 0; ii < 256; ii++)
{
palette.Entries[ii] = Color.FromArgb(ii, ii, ii);
}
returnBmp.Palette = palette;
// 使用ptr指针指向的数据构造位图
var d = returnBmp.LockBits(new Rectangle(0, 0, width, height),
ImageLockMode.WriteOnly | ImageLockMode.UserInputBuffer, fmt,
new BitmapData
{
PixelFormat = fmt,
Height = height,
Width = width,
Stride = width,
Scan0 = imageinfo.ImageData
});
returnBmp.UnlockBits(d);
return(returnBmp);
}
/// <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>
/// 构造函数
/// </summary>
public MvsImageParam()
{
_Param = MvsCommon.MvSImage.GetInstance();
}
/// <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);
}