static Bitmap CaptureRegionUnmanaged(Rectangle Region, bool IncludeCursor = false)
{
IntPtr hSrc = Gdi32.CreateDC("DISPLAY", null, null, 0),
hDest = Gdi32.CreateCompatibleDC(hSrc),
hBmp = Gdi32.CreateCompatibleBitmap(hSrc, Region.Width, Region.Height),
hOldBmp = Gdi32.SelectObject(hDest, hBmp);
Gdi32.BitBlt(hDest, 0, 0,
Region.Width, Region.Height,
hSrc,
Region.Left, Region.Top,
CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);
var bmp = Image.FromHbitmap(hBmp);
Gdi32.SelectObject(hDest, hOldBmp);
Gdi32.DeleteObject(hBmp);
Gdi32.DeleteDC(hDest);
Gdi32.DeleteDC(hSrc);
var clone = bmp.Clone(new Rectangle(Point.Empty, bmp.Size), PixelFormat.Format24bppRgb);
if (IncludeCursor)
{
new MouseCursor().Draw(clone, Region.Location);
}
return(clone);
}
private void DrawMonitor(KeyValuePair <Pair <VirtualDesktop, HMONITOR>, ObservableCollection <DesktopWindow> > desktopMonitor, out float ScreenScalingFactorVert, out int mX, out int mY, out IEnumerable <Rectangle> gridGenerator)
{
HMONITOR m = desktopMonitor.Key.Item2;
int windowsCount = desktopMonitor.Value.Count();
User32.MONITORINFOEX info = new User32.MONITORINFOEX();
info.cbSize = (uint)Marshal.SizeOf(info);
User32.GetMonitorInfo(m, ref info);
Gdi32.SafeHDC hdc = Gdi32.CreateDC(info.szDevice);
int LogicalScreenHeight = Gdi32.GetDeviceCaps(hdc, Gdi32.DeviceCap.VERTRES);
int PhysicalScreenHeight = Gdi32.GetDeviceCaps(hdc, Gdi32.DeviceCap.DESKTOPVERTRES);
int LogicalScreenWidth = Gdi32.GetDeviceCaps(hdc, Gdi32.DeviceCap.HORZRES);
int PhysicalScreenWidth = Gdi32.GetDeviceCaps(hdc, Gdi32.DeviceCap.DESKTOPHORZRES);
hdc.Close();
float ScreenScalingFactorHoriz = (float)PhysicalScreenWidth / (float)LogicalScreenWidth;
ScreenScalingFactorVert = (float)PhysicalScreenHeight / (float)LogicalScreenHeight;
mX = info.rcWork.X + MarginLeft;
mY = info.rcWork.Y + MarginTop;
int mWidth = info.rcWork.Width - MarginLeft - MarginRight;
int mHeight = info.rcWork.Height - MarginTop - MarginBottom;
Layout mCurrentLayout;
try
{
mCurrentLayout = Layouts[desktopMonitor.Key];
}
catch
{
Layouts.Add(desktopMonitor.Key, Layout.Tall);
mCurrentLayout = Layouts[desktopMonitor.Key];
}
if (!Factors.ContainsKey(desktopMonitor.Key))
{
Factors[desktopMonitor.Key] = 0;
}
gridGenerator = GridGenerator(mWidth, mHeight, windowsCount, Factors[desktopMonitor.Key], mCurrentLayout, LayoutPadding);
}
/// <summary>
///
/// </summary>
/// <param name="screenNb"></param>
/// <param name="quality"></param>
/// <returns></returns>
public static ScreenCaptureMessage CaptureScreen(int screenNb, int quality)
{
var bounds = Screen.AllScreens[screenNb].Bounds;
var screen = new Bitmap(
bounds.Width,
bounds.Height,
PixelFormat.Format32bppPArgb);
using (var dest = Graphics.FromImage(screen))
{
var destPtr = dest.GetHdc();
var srcPtr = Gdi32.CreateDC("DISPLAY",
null,
null,
IntPtr.Zero);
Gdi32.BitBlt(destPtr,
0,
0,
bounds.Width,
bounds.Height,
srcPtr,
bounds.X,
bounds.Y,
Gdi32.ROP_COPY);
Gdi32.DeleteDC(srcPtr);
dest.ReleaseHdc(destPtr);
}
var compressed = ImageHelpers.CompressImage(screen, quality);
screen.Dispose();
return(new ScreenCaptureMessage
{
ScreenNumber = screenNb,
Quality = quality,
Width = bounds.Width,
Height = bounds.Height,
RawImage = compressed
});
}
internal unsafe Screen(IntPtr monitor, Gdi32.HDC hdc)
{
Gdi32.HDC screenDC = hdc;
if (!multiMonitorSupport || monitor == (IntPtr)PRIMARY_MONITOR)
{
// Single monitor system
//
bounds = SystemInformation.VirtualScreen;
primary = true;
deviceName = "DISPLAY";
}
else
{
// Multiple monitor system
var info = new User32.MONITORINFOEXW
{
cbSize = (uint)sizeof(User32.MONITORINFOEXW)
};
User32.GetMonitorInfoW(monitor, ref info);
bounds = info.rcMonitor;
primary = ((info.dwFlags & User32.MONITORINFOF.PRIMARY) != 0);
deviceName = new string(info.szDevice);
if (hdc.IsNull)
{
screenDC = Gdi32.CreateDC(deviceName, null, null, IntPtr.Zero);
}
}
hmonitor = monitor;
bitDepth = Gdi32.GetDeviceCaps(screenDC, Gdi32.DeviceCapability.BITSPIXEL);
bitDepth *= Gdi32.GetDeviceCaps(screenDC, Gdi32.DeviceCapability.PLANES);
if (hdc != screenDC)
{
Gdi32.DeleteDC(screenDC);
}
}
internal Screen(IntPtr monitor, IntPtr hdc)
{
IntPtr screenDC = hdc;
if (!multiMonitorSupport || monitor == (IntPtr)PRIMARY_MONITOR)
{
// Single monitor system
//
bounds = SystemInformation.VirtualScreen;
primary = true;
deviceName = "DISPLAY";
}
else
{
// Multiple monitor system
var info = new NativeMethods.MONITORINFOEX();
SafeNativeMethods.GetMonitorInfo(new HandleRef(null, monitor), info);
bounds = Rectangle.FromLTRB(info.rcMonitor.left, info.rcMonitor.top, info.rcMonitor.right, info.rcMonitor.bottom);
primary = ((info.dwFlags & MONITORINFOF_PRIMARY) != 0);
deviceName = new string(info.szDevice);
deviceName = deviceName.TrimEnd((char)0);
if (hdc == IntPtr.Zero)
{
screenDC = Gdi32.CreateDC(deviceName, null, null, IntPtr.Zero);
}
}
hmonitor = monitor;
bitDepth = Gdi32.GetDeviceCaps(screenDC, Gdi32.DeviceCapability.BITSPIXEL);
bitDepth *= Gdi32.GetDeviceCaps(screenDC, Gdi32.DeviceCapability.PLANES);
if (hdc != screenDC)
{
Gdi32.DeleteDC(screenDC);
}
}