private async void OnThresholdButtonClick(object sender, RoutedEventArgs eventArgs)
{
if (mainWindow.Working)
{
return;
}
if (mainWindow.CurrentBitmap != null && mainWindow.ColorPalette.Count > 0)
{
mainWindow.Working = true;
statusText.Text = "Thresholding image";
Bitmap bitmap = await Task.Run(() => Ditherer.ClosestColor(mainWindow.CurrentBitmap, mainWindow.ColorPalette.ToArray()));
mainWindow.ChangeMainImage(bitmap);
statusText.Text = "";
mainWindow.Working = false;
}
}
private async void OnRandomButtonClick(object sender, RoutedEventArgs eventArgs)
{
if (mainWindow.Working)
{
return;
}
if (mainWindow.CurrentBitmap != null && mainWindow.ColorPalette.Count > 0)
{
mainWindow.Working = true;
statusText.Text = "Dithering image";
float bias = (float)randomBiasNumeric.Value;
Bitmap bitmap = await Task.Run(() => Ditherer.RandomDither(mainWindow.CurrentBitmap, mainWindow.ColorPalette.ToArray(), bias));
mainWindow.ChangeMainImage(bitmap);
statusText.Text = "";
mainWindow.Working = false;
}
}
private async void OnMinAvgErrButtonClick(object sender, RoutedEventArgs eventArgs)
{
if (mainWindow.Working)
{
return;
}
if (mainWindow.CurrentBitmap != null && mainWindow.ColorPalette.Count > 0)
{
mainWindow.Working = true;
statusText.Text = "Dithering image";
float[] errorMatrix = new float[12];
for (int i = 0; i < errorMatrix.Length; i++)
{
errorMatrix[i] = (float)(twoRowErrorNumeric[i].Value / twoRowErrorMultiplierNumeric.Value);
}
Bitmap bitmap = await Task.Run(() => Ditherer.MinAvgErrDither(mainWindow.CurrentBitmap, mainWindow.ColorPalette.ToArray(), errorMatrix));
mainWindow.ChangeMainImage(bitmap);
statusText.Text = "";
mainWindow.Working = false;
}
}
static float DitherOneImage(Bitmap srcData, Bitmap dstData, DitherPattern pattern, Color transparentColorKey)
{
Ditherer ditherer = new Ditherer(srcData.Width, srcData.Height);
for (int x = 0; x < srcData.Width; x++)
{
for (int y = 0; y < srcData.Height; y++)
{
Color c = srcData.GetPixel(x, y);
if (c == transparentColorKey || c.A == 0)
{
dstData.SetPixel(x, y, Color.FromArgb(0));
}
else
{
dstData.SetPixel(x, y, ditherer.Dither(x, y, c, pattern));
}
}
}
return(ditherer.RootMeanSquaredError);
}
private async void OnOrderedButtonClick(object sender, RoutedEventArgs eventArgs)
{
if (mainWindow.Working)
{
return;
}
if (mainWindow.CurrentBitmap != null && mainWindow.ColorPalette.Count > 0)
{
mainWindow.Working = true;
statusText.Text = "Dithering image";
float[,] matrix = new float[4, 4];
for (int i = 0; i < orderedMatrixNumeric.Length; i++)
{
matrix[i % 4, i / 4] = ((float)orderedMatrixNumeric[i].Value) / orderedMatrixNumeric.Length;
}
//todo: configurable size
Bitmap bitmap = await Task.Run(() => Ditherer.OrderedDither(mainWindow.CurrentBitmap, mainWindow.ColorPalette.ToArray(), matrix));
mainWindow.ChangeMainImage(bitmap);
statusText.Text = "";
mainWindow.Working = false;
}
}
