private void InitializeComponent()
{
this.SuspendLayout();
this.Bounds = GraphicsMgr.GetScreenBounds();
this.CausesValidation = false;
this.ControlBox = true;
this.Cursor = Cursors.Cross;
this.DoubleBuffered = true;
this.FormBorderStyle = FormBorderStyle.None;
this.KeyPreview = true;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "Crop";
this.SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true);
this.ShowIcon = false;
#if !DEBUG
this.TopMost = true;
#endif
this.ShowInTaskbar = false;
this.ResumeLayout(false);
this.KeyDown += new KeyEventHandler(Crop2_KeyDown);
this.DoubleClick += new EventHandler(Crop_MouseDobuleClick);
}
public static Image CaptureScreen(bool showCursor)
{
Image img = CaptureRectangle(GraphicsMgr.GetScreenBounds());
if (showCursor)
{
DrawCursor(img);
}
return(img);
}
/// <summary>
/// Captures a screenshot of a window using Windows GDI. Captures transparency.
/// </summary>
/// <param name="handle">handle of the window to capture</param>
/// <returns>the captured window image</returns>
private static Image CaptureWindowWithTransparencyGDI(IntPtr handle, Rectangle windowRect)
{
Image windowImage = null;
Bitmap whiteBGImage = null, blackBGImage = null, white2BGImage = null;
try
{
using (new Freeze(handle))
using (Form form = new Form())
{
form.BackColor = Color.White;
form.FormBorderStyle = FormBorderStyle.None;
form.ShowInTaskbar = false;
int offset = Engine.conf.ActiveWindowIncludeShadows && !NativeMethods.IsWindowMaximized(handle) ? 20 : 0;
windowRect = windowRect.AddMargin(offset);
windowRect.Intersect(GraphicsMgr.GetScreenBounds());
NativeMethods.ShowWindow(form.Handle, (int)NativeMethods.WindowShowStyle.ShowNormalNoActivate);
NativeMethods.SetWindowPos(form.Handle, handle, windowRect.X, windowRect.Y, windowRect.Width, windowRect.Height, NativeMethods.SWP_NOACTIVATE);
Application.DoEvents();
whiteBGImage = (Bitmap)CaptureRectangle(NativeMethods.GetDesktopWindow(), windowRect);
form.BackColor = Color.Black;
Application.DoEvents();
blackBGImage = (Bitmap)CaptureRectangle(NativeMethods.GetDesktopWindow(), windowRect);
if (!Engine.conf.ActiveWindowGDIFreezeWindow)
{
form.BackColor = Color.White;
Application.DoEvents();
white2BGImage = (Bitmap)CaptureRectangle(NativeMethods.GetDesktopWindow(), windowRect);
}
}
if (Engine.conf.ActiveWindowGDIFreezeWindow || whiteBGImage.AreBitmapsEqual(white2BGImage))
{
windowImage = GraphicsMgr.ComputeOriginal(whiteBGImage, blackBGImage);
}
else
{
windowImage = (Image)whiteBGImage.Clone();
}
}
finally
{
if (whiteBGImage != null)
{
whiteBGImage.Dispose();
}
if (blackBGImage != null)
{
blackBGImage.Dispose();
}
if (white2BGImage != null)
{
white2BGImage.Dispose();
}
}
if (windowImage != null)
{
Rectangle windowRectCropped = GraphicsMgr.GetCroppedArea((Bitmap)windowImage);
windowImage = GraphicsMgr.CropImage(windowImage, windowRectCropped);
if (Engine.conf.ShowCursor)
{
windowRect.X += windowRectCropped.X;
windowRect.Y += windowRectCropped.Y;
DrawCursor(windowImage, windowRect.Location);
}
if (Engine.conf.ActiveWindowShowCheckers)
{
windowImage = ImageEffects.DrawCheckers(windowImage);
}
}
return(windowImage);
}
