private IImageData WinApiCapture(int lineNumber, string caller)
{
var handle = getCurrentAndroidHWnd();
Rectangle rc = new Rectangle();
Imports.GetWindowRect(handle, ref rc);
Bitmap bmp = new Bitmap(rc.Width, rc.Height, PixelFormat.Format32bppArgb);
Imports.RedrawWindow(handle, rc, IntPtr.Zero, 0x85);
Imports.UpdateWindow(handle);
Graphics gfxBmp = Graphics.FromImage(bmp);
IntPtr hdcBitmap = gfxBmp.GetHdc();
Imports.PrintWindow(handle, hdcBitmap, 0);
gfxBmp.ReleaseHdc(hdcBitmap);
gfxBmp.Dispose();
if (bmp.AllBlack())
{
CaptureError++;
bmp.Dispose();
logger.WritePrivateLog("Screenshot get black image, retrying now!", lineNumber, caller);
throw new InvalidDataException();
}
return(new ScreenShot(bmp, logger, false));
}
private IImageData ForegroundCapture(int lineNumber, string caller)
{
var handle = getCurrentAndroidHWnd();
Rectangle rc = new Rectangle();
Imports.GetWindowRect(handle, ref rc);
var bmp = new Bitmap(rc.Width, rc.Height, PixelFormat.Format32bppArgb);
using (Graphics graphics = Graphics.FromImage(bmp))
{
Imports.SetForegroundWindow(handle);
graphics.CopyFromScreen(rc.X, rc.Y, 0, 0, new Size(rc.Width, rc.Height), CopyPixelOperation.SourceCopy);
}
if (bmp.AllBlack())
{
CaptureError++;
bmp.Dispose();
logger.WritePrivateLog("Screenshot get black image, retrying now!", lineNumber, caller);
throw new InvalidDataException();
}
return(new ScreenShot(bmp, logger, false));
}
/// <summary>
/// Get screenshot image
/// </summary>
/// <param name="lineNumber"></param>
/// <param name="caller"></param>
/// <returns></returns>
public IImageData Screenshot(bool Bgr_Rgb = true, [CallerLineNumber] int lineNumber = 0, [CallerMemberName] string caller = null)
{
Stopwatch s = Stopwatch.StartNew();
var handle = GetIntPtr();
Rectangle rc = new Rectangle();
Imports.GetWindowRect(handle, ref rc);
Bitmap bmp = new Bitmap(rc.Width, rc.Height, PixelFormat.Format32bppArgb);
for (int x = 0; x < 5; x++)
{
if (x > 3)
{
//Try use DirectX
CaptureMethod = CaptureMethod.GraphicCopy;
}
if (CaptureMethod == CaptureMethod.HDCCapture)
{
Graphics gfxBmp = Graphics.FromImage(bmp);
IntPtr hdcBitmap = gfxBmp.GetHdc();
Imports.PrintWindow(handle, hdcBitmap, 0);
gfxBmp.ReleaseHdc(hdcBitmap);
gfxBmp.Dispose();
}
else if (CaptureMethod == CaptureMethod.GDIPlus)
{
IntPtr desktopDc;
IntPtr memoryDc;
IntPtr bitmap;
IntPtr oldBitmap;
Imports.SetForegroundWindow(handle);
Imports.GetForegroundWindow();
Screencaptureptr = Imports.GetDesktopWindow();
desktopDc = Imports.GetWindowDC(Screencaptureptr);
memoryDc = Imports.CreateCompatibleDC(desktopDc);
bitmap = Imports.CreateCompatibleBitmap(desktopDc, rc.Width, rc.Height);
oldBitmap = Imports.SelectObject(memoryDc, bitmap);
if (Imports.BitBlt(memoryDc, 0, 0, rc.Width, rc.Height, desktopDc, rc.Left, rc.Top, 0x00CC0020 | 0x40000000))
{
bmp = Image.FromHbitmap(bitmap);
}
else
{
logger.WritePrivateLog("Screenshot failed on GDI+!", lineNumber, caller);
throw new Win32Exception("Screenshot failed on GDI+ and PrintWindow! I can't processed anymore! Sorry! TAT");
}
Imports.SelectObject(memoryDc, oldBitmap);
Imports.DeleteObject(bitmap);
Imports.DeleteDC(memoryDc);
Imports.ReleaseDC(handle, desktopDc);
}
else
{
}
if (bmp.AllBlack())
{
logger.WritePrivateLog("Screenshot fetched all black!", lineNumber, caller);
continue;
}
logger.WritePrivateLog("Screenshot saved to memory used " + s.ElapsedMilliseconds + " ms", lineNumber, caller);
s.Stop();
break;
}
if (rect.HasValue)
{
return(new ScreenShot(bmp, logger, Bgr_Rgb).Crop(rect.Value));
}
else
{
return(new ScreenShot(bmp, logger, Bgr_Rgb));
}
}
