public static bool CvtBitmap2CImage(Bitmap bitmap, ref CImage image)
{
switch (bitmap.PixelFormat)
{
case PixelFormat.Format24bppRgb:
image.nChannels = 3;
break;
case PixelFormat.Format32bppRgb:
image.nChannels = 4;
break;
case PixelFormat.Format8bppIndexed:
image.nChannels = 1;
break;
default:
return(false);
}
image.nWidth = bitmap.Width;
image.nHeight = bitmap.Height;
if (bitmap.Width % 4 != 0)
{
int w = bitmap.Width - bitmap.Width % 4;
float h = (float)bitmap.Height / (float)bitmap.Width * (float)w;
bitmap = bitmap.GetThumbnailImage(w, (int)h, null, IntPtr.Zero) as Bitmap;
}
BitmapData bmpData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadOnly, bitmap.PixelFormat);
image.pData = bmpData.Scan0;
bitmap.UnlockBits(bmpData);
return(true);
}
public extern static ErrorCode CaptureImage(
ulong hHandle,
ref CImage cImage
);
public extern static ErrorCode Init(ref ulong hHandle, ref CImage cImage);
public extern static ErrorCode GetVideoFrame(
ulong hHandle,
ref CImage cImage
);
public extern static ErrorCode LoadVideo(
IntPtr pVideoFile,
int nVideoFileStrLength,
ref ulong hHandle,
ref CImage cImage
);
public extern static ErrorCode DrawResult2Image(
ref CImage cImage,
BUAnalysisResult pResult
);
public extern static ErrorCode ExecuteBUAnalysisFromImage(
ulong hHandle,
CImage cImage,
ref BUAnalysisResult pResult
);