public List <Task> AdjustImage <T>(ILockBitmap bitmap, IMaybe <T> value, Action <ILockBitmap, int, int, IMaybe <T> > converterFunction)
{
int tilewidth = bitmap.Width / 4;
int tileheight = bitmap.Height / 2;
List <Task> threads = new List <Task>();
for (int i = 0; i < 4; i++)
{
int endwidth = (i + 1) * tilewidth;
for (int j = 0; j < 2; j++)
{
int currentwidth = i;
int currentheight = j;
int endheight = (currentheight + 1) * tileheight;
Task task = Task.Factory.StartNew(() =>
{
var obj = new BitmapTileData <T>(currentwidth * tilewidth, currentheight * tileheight, endwidth, endheight, bitmap, value, converterFunction);
AdjustFunction(obj);
});
threads.Add(task);
}
}
return(threads);
}
private void AdjustFunction <T>(BitmapTileData <T> tiledata)
{
for (int i = tiledata.Startwidht; i < tiledata.Endwidht; i++)
{
for (int j = tiledata.Startheight; j < tiledata.Endheight; j++)
{
tiledata.Fn(tiledata.Bitmap, i, j, tiledata.Value);
}
}
}