/// <summary>
/// Find magnitudes of Fourier transfotm and print it in file
/// </summary>
/// <param name="image">Square image wich sides size is power of 2</param>
/// <param name="outputPath">Path to print image</param>
public static void PrintFourierMagnitudes(KrecImage image, string outputPath)
{
int colorsCount = image.Width * image.Height;
var resultBytes = new byte[image.Width * image.Height];
var rc = new double[colorsCount];
for (var i = 0; i < colorsCount; ++i)
{
rc[i] = image.ImageData[i] / 255.0;
}
rc = SkewAngleDeterminer.FindMagnitudes(rc, image.Width);
for (var i = 0; i < colorsCount; ++i)
{
resultBytes[i] = (byte)Math.Min(255, rc[i] * 10000);
}
var krecImage = new KrecImage(
image.Width, image.Height, image.Width, image.HorizontalResolution, image.VerticalResolution,
image.Format, resultBytes);
Print8BppImage(krecImage, outputPath);
}
/// <summary>
/// Find magnitudes of Fourier transfotm and print it in file
/// </summary>
/// <param name="image">Square image wich sides size is power of 2</param>
/// <param name="outputPath">Path to print image</param>
public static void PrintFourierBrightestPoints(KrecImage image, string outputPath)
{
var resultBytes = new byte[image.Width * image.Height];
var brightestPoints = SkewAngleDeterminer.GetBrightestPoints(image, 3000);
foreach (var point in brightestPoints)
{
resultBytes[point.Y * image.Width + point.X] = 255;
}
var krecImage = new KrecImage(
image.Width, image.Height, image.Width, image.HorizontalResolution, image.VerticalResolution,
image.Format, resultBytes);
Print8BppImage(krecImage, outputPath);
}
