/// <summary>
/// Creates a screen handler to get the changed parts of the screen since the last check.
/// </summary>
/// <param name="screen">A rectangle that represents which part of the screen will be handled.</param>
/// <param name="hashOnlyCompare">If true, pixel data will be checked only by its HashCode, otherwise it will be checked with the implemented Equals method</param>
public ScreenHandler(Rectangle screen, bool hashOnlyCompare)
{
if (hashOnlyCompare)
{
Comparator = new HashComparer();
}
else
{
Comparator = new FullComparer();
}
Rectangle2 rect = new Rectangle2(screen);
Bounds = rect;
//One of the most expensive operations, getting the screen capture. Should be used as less as possible
int[] pixels = PixelGrabber.GrabPixels(PixelGrabber.CreateScreenCapture(screen));
LastPixels = pixels;
int minTHeight = Bounds.Height / 6;
int minTWidth = Bounds.Width / 8;
current = new QuadTree(rect, pixels /*, minTHeight, minTWidth*/);
previous = current;
firstScreen = true;
}
private void RefreshCurrent()
{
Stopwatch o = Stopwatch.StartNew();
Bitmap b = PixelGrabber.CreateScreenCapture(Bounds.ToRectangle());
Stopwatch c = Stopwatch.StartNew();
int[] pixels = PixelGrabber.GrabPixels(b);
c.Stop();
Trace.WriteLine("Refresh grab done in: " + c.ElapsedMilliseconds + "ms");
LastPixels = pixels;
current = new QuadTree(Bounds, pixels);
o.Stop();
Trace.WriteLine("Complete refresh done in: " + o.ElapsedMilliseconds + "ms");
}
