/// <summary>
/// Compare Images.
/// </summary>
/// <param name="img1">Image 1.</param>
/// <param name="img2">Image 2.</param>
/// <param name="imgEqualPercentage">Image equal value in percentage. 0.0% == completely unequal. 100.0% == completely equal.</param>
/// <param name="imgDiff">Image with red pixel where <paramref name="img1"/> and <paramref name="img2"/> are unequal.</param>
/// <returns>If images are completely equal: true; otherwise: false</returns>
protected virtual bool ImagesAreEqual(INormalImage img1, INormalImage img2, out float imgEqualPercentage, out INormalImage imgDiff)
{
throw new NotImplementedException();
//// Defaults.
//var diffColor = Color.Red;
//// Reset.
//imgEqualPercentage = 0;
//imgDiff = null;
//// Requirements.
//if (img1 == null)
// return false;
//if (img2 == null)
// return false;
//if (img1.Size.Width < 1 && img1.Height < 1)
// return false;
//if (!img1.Size.Equals(img2.Size))
// return false;
//// Compare bitmaps.
//imgDiff = new Bitmap(img1.Size.Width, img1.Size.Height);
//int diffPixelCount = 0;
//for (int i = 0; i < img1.Width; ++i)
//{
// for (int j = 0; j < img1.Height; ++j)
// {
// Color color;
// if ((color = img1.GetPixel(i, j)) == img2.GetPixel(i, j))
// {
// imgDiff.SetPixel(i, j, color);
// }
// else
// {
// ++diffPixelCount;
// imgDiff.SetPixel(i, j, diffColor);
// }
// }
//}
//// Calculate percentage.
//int totalPixelCount = img1.Width * img1.Height;
//var imgDiffFactor = ((float)diffPixelCount / totalPixelCount);
//imgEqualPercentage = imgDiffFactor * 100;
//return (imgDiffFactor == 1f);
}
/// <summary>
/// Compare Images.
/// </summary>
/// <param name="img1">Image 1.</param>
/// <param name="img2">Image 2.</param>
/// <param name="imgEqualPercentage">Image equal value in percentage. 0.0% == completely unequal. 100.0% == completely equal.</param>
/// <returns>If images are completely equal: true; otherwise: false</returns>
protected virtual bool ImagesAreEqual(INormalImage img1, INormalImage img2, out float imgEqualPercentage)
{
INormalImage imgDiff; // To ignore.
return(ImagesAreEqual(img1, img2, out imgEqualPercentage, out imgDiff));
}