private static IImage cvLoader(string fileName)
{
var cvImg = CvHighGuiInvoke.cvLoadImage(fileName, ImageLoadType.Unchanged);
var image = IplImage.FromPointer(cvImg).AsImage((_) =>
{
if (cvImg == IntPtr.Zero)
{
return;
}
CvHighGuiInvoke.cvReleaseImage(ref cvImg);
});
return(image);
}
/// <summary>
/// Reads the next image in the stream and advances the position by one.
/// </summary>
/// <param name="image">Read image.</param>
/// <returns>True if the reading operation was successful, false otherwise.</returns>
protected override bool ReadInternal(out IImage image)
{
bool status = false;
image = default(IImage);
lock (syncObj)
{
IntPtr cvFramePtr;
cvFramePtr = CvHighGuiInvoke.cvQueryFrame(capturePtr);
if (cvFramePtr != IntPtr.Zero)
{
image = IplImage.FromPointer(cvFramePtr).AsImage();
this.Position++;
status = true;
}
}
return(status);
}