public BitmapRegion[] DivideIn4Regions(Bitmap input)
{
int wp = 2;
int hp = 2;
var result = new BitmapRegion[wp * hp];
int width = input.Width / wp;
int height = input.Height / hp;
for (var y = 0; y < hp; y++)
{
for (var x = 0; x < wp; x++)
{
var arg = new BitmapRegion
{
Bmp = input,
X = x * width,
Y = y * height,
Width = width,
Height = height
};
result[y * wp + x] = arg;
}
}
return(result);
}
public Bitmap ExtractToNewBitmap(BitmapRegion input)
{
var result = new Bitmap(input.Width, input.Height);
var bmp = input.Bmp;
using (var graphics = Graphics.FromImage(result))
{
var destRect = new Rectangle(0, 0, result.Width, result.Height);
var srcRect = new Rectangle(input.X, input.Y, input.Width, input.Height);
graphics.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel);
}
return(result);
}