public static Bitmap BitmapFromPixels(Matrix <double> pixels, int subdivisions)
{
//USE BYTES INSTEAD??
Bitmap bitmap;
//Color[] colors = new Color[pixels.RowCount];
//for (int i = 0; i < pixels.RowCount; i++)
//{
// if (pixels.ColumnCount == 3)
// {
// colors[i] = Color.FromArgb((int)(pixels[i, 0] * 255.0), (int)(pixels[i, 1] * 255.0), (int)(pixels[i, 2] * 255.0));
// }
// else
// {
// colors[i] = Color.FromArgb((int)(pixels[i, 0] * 255.0), (int)(pixels[i, 0] * 255.0), (int)(pixels[i, 0] * 255.0));
// }
//}
var colors = pixels.ToColumnMajorArray();
var arrToBitmap = new Accord.Imaging.Converters.ArrayToImage(subdivisions, subdivisions);
arrToBitmap.Convert(colors, out bitmap);
//bitmap.Save(@"C:\Users\antmi\pictures\testing.png");
return(bitmap);
}
/// <summary>
/// Obtain a grayscale UnmanagedImage object from
/// a squeezed color matrix.
/// </summary>
/// <param name="matrix">Original matrix.</param>
/// <param name="width">Image width.</param>
/// <param name="height">Image height.</param>
/// <returns>Color unmanaged image.</returns>
private static UnmanagedImage ColorMatrixToGrayImage(Color[] matrix, int width, int height)
{
var data = new byte[matrix.Length];
UnmanagedImage image = null;
for (int i = 0; i < matrix.Length; i++)
{
data[i] = (byte)(1 / 3.0 * ((float)matrix[i].R + (float)matrix[i].G + (float)matrix[i].B));
}
var converter = new Accord.Imaging.Converters.ArrayToImage(width, height);
converter.Convert(data, out image);
return(image);
}
/// <summary>
/// Obtain an UnmanagedImage object from
/// a squeezed color matrix.
/// </summary>
/// <param name="matrix">Original matrix.</param>
/// <param name="width">Image width.</param>
/// <param name="height">Image height.</param>
/// <returns>Color unmanaged image.</returns>
private static UnmanagedImage ColorMatrixToImage(Color[] matrix, int width, int height)
{
var data = new System.Drawing.Color[matrix.Length];
UnmanagedImage image = null;
for (int i = 0; i < matrix.Length; i++)
{
Color color = matrix[i];
data[i] = System.Drawing.Color.FromArgb((int)color.PackedValue);
}
var converter = new Accord.Imaging.Converters.ArrayToImage(width, height);
converter.Convert(data, out image);
return(image);
}
public static Bitmap BitmapFromHSL(Matrix <double> hsls, int subdivisions)
{
//USE BYTES INSTEAD??
Bitmap bitmap;
Color[] colors = new Color[hsls.RowCount];
for (int i = 0; i < hsls.RowCount; i++)
{
colors[i] = ColorScale.ColorFromHSL(hsls[i, 0], hsls[i, 1], hsls[i, 2]);
}
var arrToBitmap = new Accord.Imaging.Converters.ArrayToImage(subdivisions, subdivisions);
arrToBitmap.Convert(colors, out bitmap);
//bitmap.Save(@"C:\Users\antmi\pictures\testing.png");
return(bitmap);
}
