/// <summary>
/// Copies data to managed array.
/// </summary>
/// <typeparam name="TColor">Pixel color type.</typeparam>
/// <param name="cvMat">OpenCV matrix.</param>
/// <returns>Managed image representation.</returns>
public static TColor[,] ToArray <TColor>(this CvMat cvMat)
where TColor : struct, IColor
{
var im = new TColor[cvMat.Height, cvMat.Width];
using (var uIm = Image <TColor> .Lock(im))
{
Copy.UnsafeCopy2D(cvMat.ImageData, uIm.ImageData, cvMat.Step, uIm.Stride, uIm.Height);
}
return(im);
}
unsafe static TColor[,] decodeImage <TColor>(byte[] encodedImage, ImageLoadType loadType)
where TColor : unmanaged, IColor
{
CvMat *matDecoded;
fixed(byte *encodedImPtr = encodedImage)
{
CvMat mat = CvMat.FromUserData((IntPtr)encodedImPtr, encodedImage.Length, 1, encodedImage.Length, CvMat.CvChannelDepth.CV_8U, 1);
matDecoded = CvInvoke.cvDecodeImageM(&mat, ImageLoadType.Color);
}
var imDecoded = (*matDecoded).ToArray <TColor>();
CvInvoke.cvReleaseMat(ref matDecoded);
return(imDecoded);
}
/// <summary>
/// Represents the existing image as CvMat structure where data is shared.
/// </summary>
/// <param name="image">Image.</param>
/// <returns>CvMat representation.</returns>
public static CvMat AsCvMat(this IImage image)
{
var depthType = typeConversion[image.ColorInfo.ChannelType];
return(CvMat.FromUserData(image.ImageData, image.Width, image.Height, image.Stride, depthType, image.ColorInfo.ChannelCount));
}
public static extern void cvShowImage(string name, ref CvMat image);