private void HistButton_Click(object sender, RoutedEventArgs e)
{
var val = CalcHistogram();
if (CheckIfGray())
{
var values = val.Item1;
var histWindow = new HistogramWindow();
WindowsFormsHost host = new WindowsFormsHost();
HistSomething.UserControl1 graph = new HistSomething.UserControl1(values);
host.Child = graph;
histWindow.grid.Children.Add(host);
histWindow.Width = graph.Width + 2 * 20;
histWindow.Height = graph.Height + 3 * 20;
histWindow.Show();
}
else
{
var values_r = val.Item1;
var values_g = val.Item2;
var values_b = val.Item3;
var histWindow = new HistogramWindow();
WindowsFormsHost host = new WindowsFormsHost();
HistSomething.UserControl3 graph = new HistSomething.UserControl3(values_r, values_g, values_b);
host.Child = graph;
histWindow.grid.Children.Add(host);
histWindow.Width = graph.Width + 2 * 30;
histWindow.Height = graph.Height + 3 * 30;
histWindow.Show();
}
}
private void StrechHistButton_Click(object sender, RoutedEventArgs e)
{
var bitmap = BitmapFromSource((BitmapSource)Image.Source);
if (CheckIfGray())
{
var values = new List <int>();
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
values.Add(bitmap.GetPixel(i, j).R);
}
}
var stretched = StretchFunction(values);
var iter = 0;
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
bitmap.SetPixel(i, j, System.Drawing.Color.FromArgb(stretched[iter], stretched[iter], stretched[iter]));
iter++;
}
}
Image.Source = ConvertBitmap(bitmap);
var val = CalcHistogram();
var values4hist = val.Item1;
values4hist[0] = 0;
values4hist[255] = 0;
var histWindow = new HistogramWindow();
WindowsFormsHost host = new WindowsFormsHost();
HistSomething.UserControl1 graph = new HistSomething.UserControl1(values4hist);
host.Child = graph;
histWindow.grid.Children.Add(host);
histWindow.Width = graph.Width + 2 * 20;
histWindow.Height = graph.Height + 3 * 20;
histWindow.Show();
}
else
{
var values_r = new List <int>();
var values_g = new List <int>();
var values_b = new List <int>();
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
values_r.Add(bitmap.GetPixel(i, j).R);
values_g.Add(bitmap.GetPixel(i, j).G);
values_b.Add(bitmap.GetPixel(i, j).B);
}
}
var stretched_r = StretchFunction(values_r);
var stretched_g = StretchFunction(values_g);
var stretched_b = StretchFunction(values_b);
var iter = 0;
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
bitmap.SetPixel(i, j, System.Drawing.Color.FromArgb(stretched_r[iter], stretched_g[iter], stretched_b[iter]));
iter++;
}
}
Image.Source = ConvertBitmap(bitmap);
var val = CalcHistogram();
var values_r4hist = val.Item1;
var values_g4hist = val.Item2;
var values_b4hist = val.Item3;
values_r4hist[0] = 0;
values_r4hist[255] = 0;
values_g4hist[0] = 0;
values_g4hist[255] = 0;
values_b4hist[0] = 0;
values_b4hist[255] = 0;
var histWindow = new HistogramWindow();
WindowsFormsHost host = new WindowsFormsHost();
HistSomething.UserControl3 graph = new HistSomething.UserControl3(values_r4hist, values_g4hist, values_b4hist);
host.Child = graph;
histWindow.grid.Children.Add(host);
histWindow.Width = graph.Width + 2 * 30;
histWindow.Height = graph.Height + 3 * 30;
histWindow.Show();
}
}
private void EqHistButton_Click(object sender, RoutedEventArgs e)
{
var val = CalcHistogram();
var pixelAmount = 0;
foreach (var v in val.Item1)
{
pixelAmount += v;
}
if (CheckIfGray())
{
var values = val.Item1;
var distribution = CalcDistribution(values, pixelAmount);
var LUT_table = CalcLUTTable(distribution);
var bitmap = BitmapFromSource((BitmapSource)Image.Source);
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
var pixel = bitmap.GetPixel(i, j);
bitmap.SetPixel(i, j, System.Drawing.Color.FromArgb(LUT_table[pixel.R], LUT_table[pixel.R], LUT_table[pixel.R]));
}
}
Image.Source = ConvertBitmap(bitmap);
var val4hist = CalcHistogram();
var values4hist = val4hist.Item1;
var histWindow = new HistogramWindow();
WindowsFormsHost host = new WindowsFormsHost();
HistSomething.UserControl1 graph = new HistSomething.UserControl1(values4hist);
host.Child = graph;
histWindow.grid.Children.Add(host);
histWindow.Width = graph.Width + 2 * 20;
histWindow.Height = graph.Height + 3 * 20;
histWindow.Show();
}
else
{
var values_r = val.Item1;
var values_g = val.Item2;
var values_b = val.Item3;
var distribution_r = CalcDistribution(values_r, pixelAmount);
var distribution_g = CalcDistribution(values_g, pixelAmount);
var distribution_b = CalcDistribution(values_b, pixelAmount);
var LUT_table_r = CalcLUTTable(distribution_r);
var LUT_table_g = CalcLUTTable(distribution_g);
var LUT_table_b = CalcLUTTable(distribution_b);
var bitmap = BitmapFromSource((BitmapSource)Image.Source);
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
var pixel = bitmap.GetPixel(i, j);
bitmap.SetPixel(i, j, System.Drawing.Color.FromArgb(LUT_table_r[pixel.R], LUT_table_g[pixel.G], LUT_table_b[pixel.B]));
}
}
Image.Source = ConvertBitmap(bitmap);
var val4hist = CalcHistogram();
var values_r4hist = val4hist.Item1;
var values_g4hist = val4hist.Item2;
var values_b4hist = val4hist.Item3;
var histWindow = new HistogramWindow();
WindowsFormsHost host = new WindowsFormsHost();
HistSomething.UserControl3 graph = new HistSomething.UserControl3(values_r4hist, values_g4hist, values_b4hist);
host.Child = graph;
histWindow.grid.Children.Add(host);
histWindow.Width = graph.Width + 2 * 30;
histWindow.Height = graph.Height + 3 * 30;
histWindow.Show();
}
}
