public Task FireOperation(IImageOperation operation)
{
return(Task.Factory.StartNew(() =>
{
operation?.ProcessImage(TargetPicture.Clone() as PictureHandler, TargetPicture);
}, TaskCreationOptions.LongRunning));
}
public void ProcessImage(PictureHandler sourceImage, PictureHandler targetImage)
{
var source = sourceImage.Clone() as PictureHandler;
Color eCol, bOw, c;
byte e;
float error;
int i, j;
for (int x = 0; x < source.PixelWidth; x++)
{
for (int y = 0; y < source.PixelHeight; y++)
{
c = source[x, y];
bOw = c.BlacOrWite();
targetImage[x, y] = bOw;
error = c.R - targetImage[x, y].R;
e = (byte)Math.Abs(error);
eCol = Color.FromRgb(e, e, e);
for (i = -1; i < 2; i++)
{
for (j = -1; j < 2; j++)
{
if (error > 0)
{
source[x + i, y + j] = Color.Add(source[x + i, y + j], Color.Multiply(eCol, filter[i + 1, j + 1]));
}
else
{
source[x + i, y + j] = Color.Subtract(source[x + i, y + j], Color.Multiply(eCol, filter[i + 1, j + 1]));
}
}
}
}
}
}
private void Apply(bool loaded)
{
if (loaded)
{
TargetPicture = SourcePicture?.Clone() as PictureHandler;
bmp = new WriteableBitmap(TargetPicture?.CreateBitmapSourceHandler());
TargetImage.Source = bmp;
Apply();
}
}
