public MappedImage Downscale(int factor)
{
int scale = (int)Math.Pow(2.0, factor);
MappedImage downscaled = new MappedImage(Resolution / scale);
for (int y = 0; y < Resolution; y += scale)
{
for (int x = 0; x < Resolution; x += scale)
{
int counter = 0;
for (int localY = y; localY < y + scale; localY++)
{
for (int localX = x; localX < x + scale; localX++)
{
if (Get(localX, localY))
{
counter++;
}
}
}
if (counter > scale * scale / 2)
{
downscaled.Set(x / scale, y / scale);
}
}
}
return(downscaled);
}
private void RefreshCanvas(Canvas canvas, Models.MappedImage mappedImage)
{
int res = mappedImage.Resolution;
canvas.Children.Clear();
for (int i = 0; i < res; i++)
{
for (int j = 0; j < res; j++)
{
if (!mappedImage.Get(j, i))
{
continue;
}
DrawPixel(canvas, j, i, res);
}
}
}
private void LoadImage(string path)
{
fileNameLabel.Content = path;
CurrentFile = new FileInfo(path);
BitmapImage bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.UriSource = new Uri(path);
bitmap.EndInit();
image.Source = bitmap;
image2.Source = bitmap;
image3.Source = bitmap;
image4.Source = bitmap;
image5.Source = bitmap;
CurrentMappedImage = new Models.MappedImage(DefaultRes);
RefreshAllCanvases();
}
private void MapCanvas(Canvas canvas, Models.MappedImage mappedImage)
{
int res = DefaultRes;
double pixelWidth = canvas.Width / res;
double pixelHeight = canvas.Height / res;
for (int i = 0; i < res; i++)
{
for (int j = 0; j < res; j++)
{
mappedImage.Clear(i, j);
}
}
foreach (Rectangle rect in canvas.Children)
{
var y = (int)(Canvas.GetTop(rect) / pixelHeight);
var x = (int)(Canvas.GetLeft(rect) / pixelWidth);
mappedImage.Set(x, y);
}
}