static void Main(string[] args)
{
MyImage img = new MyImage("taxi.bmp");
img.RedFilter();
img.Save("taxi.bmp");
Console.ReadKey();
}
/// <summary>
/// Creates an histogram based on the image
/// </summary>
/// <param name="filename">specify the folder and filename</param>
/// <returns>
/// returns a string with the filename
/// itcan vary because of existing file in the folder
/// </returns>
public string Histogram(string filename)
{
imageType = "BM";
offsetSize = 54;
int[,] histogram = this.histogram;
int max = 0;
foreach (int n in histogram)
{
if (n > max)
{
max = n;
}
}
float ratio = 100f / (float)max;
Pixel[,] imageTemp = new Pixel[100, 256];
for (int i = 0; i < imageTemp.GetLength(1); i++)
{
for (int j = 0; j < imageTemp.GetLength(0); j++)
{
imageTemp[imageTemp.GetLength(0) - j - 1, imageTemp.GetLength(1) - i - 1] = Pixel.Black;
if (histogram[0, i] * ratio >= j)
{
imageTemp[imageTemp.GetLength(0) - j - 1, imageTemp.GetLength(1) - i - 1].AddRed();
}
if (histogram[1, i] * ratio >= j)
{
imageTemp[imageTemp.GetLength(0) - j - 1, imageTemp.GetLength(1) - i - 1].AddGreen();
}
if (histogram[2, i] * ratio >= j)
{
imageTemp[imageTemp.GetLength(0) - j - 1, imageTemp.GetLength(1) - i - 1].AddBlue();
}
}
}
MyImage histo = new MyImage(imageTemp);
string[] split = filename.Split('\\');
filename = "";
for (int i = 0; i < split.Length - 1; i++)
{
filename += split[i] + '\\';
}
filename += "histogram-" + split.Last();
return(histo.Save(filename));
}