/// <summary>
/// Saves the specified image.
/// </summary>
/// <typeparam name="TColor">Image color.</typeparam>
/// <param name="image">Image to save.</param>
/// <param name="fileName">Image filename.</param>
private unsafe static void Save <TColor>(this Image <TColor> image, string fileName)
where TColor : unmanaged, IColor
{
var iplImage = image.AsCvIplImage();
CvInvoke.cvSaveImage(fileName, &iplImage, IntPtr.Zero);
}
internal unsafe static void Draw(Image <Bgr <byte> > image, byte opacity, Action <IplImage> drawingAction)
{
var cvImg = image.AsCvIplImage();
var cvOverlayImPtr = CvCoreInvoke.cvCloneImage(&cvImg);
drawingAction(*cvOverlayImPtr);
CvCoreInvoke.cvAddWeighted(cvOverlayImPtr, (float)opacity / Byte.MaxValue, &cvImg, 1 - (float)opacity / Byte.MaxValue, 0, &cvImg);
CvCoreInvoke.cvReleaseImage(&cvOverlayImPtr);
}