public static Point ScreenToClient(FrameworkElement element, IntPoint point)
{
PresentationSource source = PresentationSource.FromVisual(element);
Win32Point winPt = new Win32Point(point.X, point.Y);
NativeMethods.ScreenToClient(((HwndSource)source).Handle, ref winPt);
Point offset = source.CompositionTarget.TransformFromDevice.Transform(new Point(winPt.x, winPt.y));
return source.RootVisual.TransformToDescendant(element).Transform(offset);
}
public static IntRect ExpandPoint(IntPoint position, IScreenShot screenshot)
{
int x = position.X;
int y = position.Y;
int left = ScreenCoordinates.FindNearestX(x, y - 5, y + 5, -1, screenshot).X + 1;
int right = ScreenCoordinates.FindNearestX(x, y - 5, y + 5, 1, screenshot).X;
int top = ScreenCoordinates.FindNearestY(x - 5, x + 5, y, -1, screenshot).Y + 1;
int bottom = ScreenCoordinates.FindNearestY(x - 5, x + 5, y, 1, screenshot).Y;
if (right > left && bottom > top)
return new IntRect(left, top, right - left, bottom - top);
return IntRect.Empty;
}
public static IntRect ExpandPoint(IntPoint position)
{
ScreenShot screenshot = new ScreenShot();
return ScreenCoordinates.ExpandPoint(position, screenshot);
}
public bool Equals(IntPoint value)
{
return this.X == value.X && this.Y == value.Y;
}
public static void SetCursorPos(IntPoint point)
{
NativeMethods.SetCursorPos(point.X, point.Y);
}
private void SetBasePointExecuted(object sender, ExecutedRoutedEventArgs e)
{
this.basePoint = NativeMethods.GetCursorPos();
}
private void HandleTick(object sender, EventArgs e)
{
IntPoint mousePoint = NativeMethods.GetCursorPos();
if (mousePoint == this.lastMousePoint && DateTime.Now - this.lastCapture < TimeSpan.FromSeconds(.2)) {
return;
}
this.lastCapture = DateTime.Now;
this.lastMousePoint = mousePoint;
this.MouseX.Text = string.Format(@"X: {0}", mousePoint.X - this.basePoint.X);
this.MouseY.Text = string.Format(@"Y: {0}", mousePoint.Y - this.basePoint.Y);
if (this.isPaused)
return;
double width = this.Image.ActualWidth / this.Scale;
double height = this.Image.ActualHeight / this.Scale;
double left = (mousePoint.X - width / 2).Clamp(ScreenShot.FullScreenBounds.Left, ScreenShot.FullScreenBounds.Width - width);
double top = (mousePoint.Y - height / 2).Clamp(ScreenShot.FullScreenBounds.Top, ScreenShot.FullScreenBounds.Height - height);
double deltaX = left - (mousePoint.X - width / 2);
double deltaY = top - (mousePoint.Y - height / 2);
if (deltaX != 0)
this.CenterX.Width = new GridLength((this.Image.ActualWidth / 2 - deltaX * this.Scale) + 2 * this.Scale);
else
this.CenterX.Width = new GridLength(this.Image.ActualWidth / 2 + 8);
if (deltaY != 0)
this.CenterY.Height = new GridLength((this.Image.ActualHeight / 2 - deltaY * this.Scale) + 2 * this.Scale);
else
this.CenterY.Height = new GridLength(this.Image.ActualHeight / 2 + 8);
IntRect rect = new IntRect((int)left, (int)top, (int)width, (int)height);
ScreenShot screenShot = new ScreenShot(rect);
FormatConvertedBitmap newFormatedBitmapSource = new FormatConvertedBitmap();
newFormatedBitmapSource.BeginInit();
newFormatedBitmapSource.Source = screenShot.Image;
newFormatedBitmapSource.DestinationFormat = PixelFormats.Rgb24;
newFormatedBitmapSource.EndInit();
this.Image.Source = newFormatedBitmapSource;
if (width == 0 || height == 0)
return;
uint centerPixel = (uint)screenShot.GetScreenPixel((int)mousePoint.X, (int)mousePoint.Y);
centerPixel = centerPixel | 0xFF000000;
byte r = (byte)((centerPixel >> 16) & 0xFF);
byte g = (byte)((centerPixel >> 8) & 0xFF);
byte b = (byte)((centerPixel >> 0) & 0xFF);
Brush brush = new SolidColorBrush(Color.FromRgb(r, g, b));
this.ColorSwatch.Fill = brush;
this.PixelColor.Text = string.Format(@"#{0:X8}", centerPixel);
}
public static void SetCursorPos(IntPoint point)
{
NativeMethods.SetCursorPos(point.X, point.Y);
}
