public Direct2DCanvas()
{
int width = 1024;
int height = 1024;
SharpDX.Direct3D11.Device defaultDevice = new SharpDX.Direct3D11.Device(
SharpDX.Direct3D.DriverType.Hardware,
SharpDX.Direct3D11.DeviceCreationFlags.BgraSupport);
// Query the default device for the supported device and context interfaces.
var device = defaultDevice.QueryInterface <SharpDX.Direct3D11.Device1> ();
// Query for the adapter and more advanced DXGI objects.
SharpDX.DXGI.Device2 dxgiDevice2 = device.QueryInterface <SharpDX.DXGI.Device2> ();
SharpDX.DXGI.Adapter dxgiAdapter = dxgiDevice2.Adapter;
SharpDX.DXGI.Factory2 dxgiFactory2 = dxgiAdapter.GetParent <SharpDX.DXGI.Factory2> ();
var swapChainDescription = new SharpDX.DXGI.SwapChainDescription1 {
Width = width,
Height = height,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
Stereo = false,
Usage = SharpDX.DXGI.Usage.RenderTargetOutput,
BufferCount = 2,
Scaling = SharpDX.DXGI.Scaling.Stretch,
SwapEffect = SharpDX.DXGI.SwapEffect.FlipSequential,
Flags = SharpDX.DXGI.SwapChainFlags.None,
};
swapChainDescription.SampleDescription.Count = 1;
swapChainDescription.SampleDescription.Quality = 0;
swapChain = dxgiFactory2.CreateSwapChainForComposition(dxgiDevice2, ref swapChainDescription, null);
swapChain.BackgroundColor = new Color4(1, 0, 0, 0);
var native = SharpDX.ComObject.QueryInterface <SharpDX.DXGI.ISwapChainBackgroundPanelNative> (this);
native.SwapChain = swapChain;
g = new Direct2DGraphics(swapChain);
_drawTimer = new WindowsDrawTimer {
Continuous = true,
ShouldDrawFunc = () =>
Content != null && ActualWidth > 0 && ActualHeight > 0,
DrawFunc = Draw,
};
Unloaded += HandleUnloaded;
Loaded += HandleLoaded;
LayoutUpdated += HandleLayoutUpdated;
}
public Direct2DGraphicsFontMetrics(Direct2DGraphics graphics, Font font)
{
this.graphics = graphics;
this.font = font;
}
