private void SetupInstance(RendererOptions options)
{
_rendererOptions = options;
if (options.Hwnd == IntPtr.Zero)
{
throw new ArgumentNullException(nameof(options.Hwnd));
}
if (User32.IsWindow(options.Hwnd) == 0)
{
throw new ArgumentException("The window does not exist (hwnd = 0x" + options.Hwnd.ToString("X") + ")");
}
RECT bounds = new RECT();
if (HelperMethods.GetRealWindowRect(options.Hwnd, out bounds) == 0)
{
throw new Exception("Failed to get the size of the given window (hwnd = 0x" + options.Hwnd.ToString("X") + ")");
}
this.Width = bounds.Right - bounds.Left;
this.Height = bounds.Bottom - bounds.Top;
this.VSync = options.VSync;
this.MeasureFPS = options.MeasureFps;
_deviceProperties = new HwndRenderTargetProperties()
{
Hwnd = options.Hwnd,
PixelSize = new Size2(this.Width, this.Height),
PresentOptions = options.VSync ? PresentOptions.None : PresentOptions.Immediately
};
var renderProperties = new RenderTargetProperties(
RenderTargetType.Default,
new PixelFormat(Format.R8G8B8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied),
96.0f, 96.0f, // we use 96.0f because it's the default value. This will scale every drawing by 1.0f (it obviously does not scale anything). Our drawing will be dpi aware!
RenderTargetUsage.None,
FeatureLevel.Level_DEFAULT);
_factory = new Factory();
_fontFactory = new FontFactory();
try
{
_device = new WindowRenderTarget(_factory, renderProperties, _deviceProperties);
}
catch (SharpDXException) // D2DERR_UNSUPPORTED_PIXEL_FORMAT
{
renderProperties.PixelFormat = new PixelFormat(Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied);
_device = new WindowRenderTarget(_factory, renderProperties, _deviceProperties);
}
_device.AntialiasMode = AntialiasMode.Aliased; // AntialiasMode.PerPrimitive fails rendering some objects
// other than in the documentation: Cleartype is much faster for me than GrayScale
_device.TextAntialiasMode = options.AntiAliasing ? SharpDX.Direct2D1.TextAntialiasMode.Cleartype : SharpDX.Direct2D1.TextAntialiasMode.Aliased;
_sharedBrush = new SolidColorBrush(_device, default(RawColor4));
}
public Direct2DRenderer(IntPtr hwnd, bool vsync, bool measureFps)
{
var options = new RendererOptions()
{
Hwnd = hwnd,
VSync = vsync,
MeasureFps = measureFps,
AntiAliasing = false
};
SetupInstance(options);
}
public Direct2DRenderer(IntPtr hwnd)
{
var options = new RendererOptions()
{
Hwnd = hwnd,
VSync = false,
MeasureFps = false,
AntiAliasing = false
};
SetupInstance(options);
}
public Direct2DRenderer(RendererOptions options)
{
SetupInstance(options);
}