private static void ScreenshotBitBlt(IntPtr hWnd, ref DirectBitmap capture)
{
try
{
// get the hDC of the target window
IntPtr hdcSrc = User32.GetDC(hWnd);
// get the size
Rectangle windowRect = new Rectangle();
User32.GetWindowRect(hWnd, ref windowRect);
int width = windowRect.Right - windowRect.Left;
int height = windowRect.Bottom - windowRect.Top;
// create a device context we can copy to
IntPtr hdcDest = Gdi32.CreateCompatibleDC(hdcSrc);
// create a bitmap we can copy it to,
// using GetDeviceCaps to get the width/height
IntPtr hBitmap = Gdi32.CreateCompatibleBitmap(hdcSrc, width, height);
// select the bitmap object
IntPtr hOld = Gdi32.SelectObject(hdcDest, hBitmap);
// bitblt over
Gdi32.BitBlt(hdcDest, 1, 31, width - 10, height, hdcSrc, 0, 0, (uint)Gdi32.TernaryRasterOperations.SRCCOPY | (uint)Gdi32.TernaryRasterOperations.CAPTUREBLT);
// restore selection
Gdi32.SelectObject(hdcDest, hOld);
if (capture != null)
{
capture.Dispose();
}
capture = new DirectBitmap(hdcSrc, hBitmap);
// clean up
Gdi32.DeleteDC(hdcDest);
User32.ReleaseDC(hWnd, hdcSrc);
// free up the Bitmap object
Gdi32.DeleteObject(hBitmap);
}
catch (ExternalException)
{
// Failed to capture window, usually because it was closed.
#if DEBUG
CustomGameDebug.WriteLine("Failed to capture window. Is it closed?");
#endif
}
}
// From hBitmap.
internal DirectBitmap(IntPtr hdcSrc, IntPtr hBitmap)
{
Gdi32.BITMAPINFO bmi = new Gdi32.BITMAPINFO();
bmi.bmiHeader.biSize = (uint)Marshal.SizeOf(bmi.bmiHeader);
Gdi32.GetDIBits(hdcSrc, hBitmap, 0, 0, null, ref bmi, Gdi32.DIB_Color_Mode.DIB_RGB_COLORS);
Bytes = new byte[bmi.bmiHeader.biSizeImage];
bmi.bmiHeader.biBitCount = 32;
bmi.bmiHeader.biCompression = Gdi32.BitmapCompressionMode.BI_RGB;
bmi.bmiHeader.biHeight = Math.Abs(bmi.bmiHeader.biHeight);
Gdi32.GetDIBits(hdcSrc, hBitmap, 0, (uint)bmi.bmiHeader.biHeight,
Bytes, ref bmi, Gdi32.DIB_Color_Mode.DIB_RGB_COLORS);
Width = bmi.bmiHeader.biWidth;
Height = bmi.bmiHeader.biHeight;
BytesPerLine = Width * 4;
Inverted = true;
}
private void ScreenshotBitBlt()
{
try
{
// get the hDC of the target window
IntPtr hdcSrc = User32.GetDC(OverwatchHandle);
// get the size
int width = Rectangles.ENTIRE_SCREEN.Width + Points.BITBLT_WINDOW_LOCATION.X;
int height = Rectangles.ENTIRE_SCREEN.Height + Points.BITBLT_WINDOW_LOCATION.Y;
// create a device context we can copy to
IntPtr hdcDest = Gdi32.CreateCompatibleDC(hdcSrc);
// create a bitmap we can copy it to,
// using GetDeviceCaps to get the width/height
IntPtr hBitmap = Gdi32.CreateCompatibleBitmap(hdcSrc, width, height);
// select the bitmap object
IntPtr hOld = Gdi32.SelectObject(hdcDest, hBitmap);
// bitblt over
Gdi32.BitBlt(hdcDest, Points.BITBLT_WINDOW_LOCATION.X, Points.BITBLT_WINDOW_LOCATION.Y, width, height, hdcSrc, 0, 0, (uint)Gdi32.TernaryRasterOperations.SRCCOPY | (uint)Gdi32.TernaryRasterOperations.CAPTUREBLT);
// restore selection
Gdi32.SelectObject(hdcDest, hOld);
if (Capture != null)
{
Capture.Dispose();
}
Capture = new DirectBitmap(hdcSrc, hBitmap);
// clean up
Gdi32.DeleteDC(hdcDest);
User32.ReleaseDC(OverwatchHandle, hdcSrc);
// free up the Bitmap object
Gdi32.DeleteObject(hBitmap);
}
catch (ExternalException)
{
// Failed to capture window, usually because it was closed.
#if DEBUG
CustomGameDebug.WriteLine("Failed to capture window. Is it closed?");
#endif
}
}
static void ScreenshotBitBlt(IntPtr hWnd, ref Bitmap bmp, bool adjust = true)
{
// get the hDC of the target window
IntPtr hdcSrc = User32.GetDC(hWnd);
// get the size
Rectangle windowRect = new Rectangle();
User32.GetWindowRect(hWnd, ref windowRect);
int width = windowRect.Right - windowRect.Left;
int height = windowRect.Bottom - windowRect.Top;
// create a device context we can copy to
IntPtr hdcDest = Gdi32.CreateCompatibleDC(hdcSrc);
// create a bitmap we can copy it to,
// using GetDeviceCaps to get the width/height
IntPtr hBitmap = Gdi32.CreateCompatibleBitmap(hdcSrc, width, height);
// select the bitmap object
IntPtr hOld = Gdi32.SelectObject(hdcDest, hBitmap);
// bitblt over
Gdi32.BitBlt(hdcDest, 1, 31, width - 10, height, hdcSrc, 0, 0, (uint)Gdi32.TernaryRasterOperations.SRCCOPY | (uint)Gdi32.TernaryRasterOperations.CAPTUREBLT);
// restore selection
Gdi32.SelectObject(hdcDest, hOld);
// clean up
Gdi32.DeleteDC(hdcDest);
User32.ReleaseDC(hWnd, hdcSrc);
// get a .NET image object for it
Image img = Image.FromHbitmap(hBitmap);
// free up the Bitmap object
Gdi32.DeleteObject(hBitmap);
if (bmp != null)
{
bmp.Dispose();
}
bmp = new Bitmap(img);
img.Dispose();
}