/// <summary>
/// Creates a new instance of <see cref="WindowProvider"/>.
/// </summary>
public WindowProvider(IWindow Window, IPreviewWindow PreviewWindow, bool IncludeCursor)
{
_window = Window ?? throw new ArgumentNullException(nameof(Window));
_includeCursor = IncludeCursor;
var size = Window.Rectangle.Even().Size;
Width = size.Width;
Height = size.Height;
PointTransform = GetTransformer(Window);
_hdcSrc = User32.GetDC(IntPtr.Zero);
if (WindowsModule.ShouldUseGdi)
{
_dcTarget = new GdiTargetDeviceContext(_hdcSrc, Width, Height);
}
else
{
_dcTarget = new DxgiTargetDeviceContext(PreviewWindow, Width, Height);
}
}
public RegionProvider(Rectangle Region,
IPreviewWindow PreviewWindow,
bool IncludeCursor,
Func <Point> LocationFunc = null)
{
_region = Region;
_includeCursor = IncludeCursor;
_locationFunc = LocationFunc ?? (() => Region.Location);
// Width and Height must be even.
// Use these for Bitmap size, but capture as per region size
Width = _region.Width;
if (Width % 2 == 1)
{
++Width;
}
Height = _region.Height;
if (Height % 2 == 1)
{
++Height;
}
PointTransform = P => new Point(P.X - _region.X, P.Y - _region.Y);
_hdcSrc = User32.GetDC(IntPtr.Zero);
if (WindowsModule.Windows8OrAbove)
{
_dcTarget = new DxgiTargetDeviceContext(PreviewWindow, Width, Height);
}
else
{
_dcTarget = new GdiTargetDeviceContext(_hdcSrc, Width, Height);
}
}
