/// <summary>
/// 从指定的控件里面创建设备资源。
/// </summary>
/// <param name="target">用于创建设备资源的控件。</param>
public void CreateDeviceResource(Control target)
{
if (_renderTarget == null)
{
_renderTarget = _d2dFactory.CreateHwndRenderTarget(
new RenderTargetProperties(),
new HwndRenderTargetProperties(
target.Handle,
new SizeU((uint)target.Width, (uint)target.Height),
PresentOptions.None
)
);
}
}
/// <summary>
/// This method creates the render target and associated D2D and DWrite resources
/// </summary>
void CreateDeviceResources()
{
// Only calls if resources have not been initialize before
if (renderTarget == null)
{
// Create the render target
SizeU size = new SizeU((uint)renderControl.ClientSize.Width, (uint)renderControl.ClientSize.Height);
HwndRenderTargetProperties hwndProps = new HwndRenderTargetProperties(renderControl.Handle, size, PresentOptions.RetainContents);
renderTarget = d2dFactory.CreateHwndRenderTarget(renderProps, hwndProps);
// Create an initial black brush
brushes.Add(renderTarget.CreateSolidColorBrush(new ColorF(Color.Black.ToArgb())));
currentBrushIndex = 0;
}
}
/// <summary>
/// This method creates the render target and all associated D2D and DWrite resources
/// </summary>
void CreateDeviceResources()
{
// Only calls if resources have not been initialize before
if (renderTarget == null)
{
// The text format
textFormat = dwriteFactory.CreateTextFormat("Bodoni MT", 24, DWrite.FontWeight.Normal, DWrite.FontStyle.Italic, DWrite.FontStretch.Normal);
// Create the render target
SizeU size = new SizeU((uint)host.ActualWidth, (uint)host.ActualHeight);
RenderTargetProperties props = new RenderTargetProperties();
HwndRenderTargetProperties hwndProps = new HwndRenderTargetProperties(host.Handle, size, PresentOptions.None);
renderTarget = d2dFactory.CreateHwndRenderTarget(props, hwndProps);
// A black brush to be used for drawing text
ColorF cf = new ColorF(0, 0, 0, 1);
blackBrush = renderTarget.CreateSolidColorBrush(cf);
// Create a linear gradient.
GradientStop[] stops =
{
new GradientStop(1, new ColorF(1f, 0f, 0f, 0.25f)),
new GradientStop(0, new ColorF(0f, 0f, 1f, 1f))
};
GradientStopCollection pGradientStops = renderTarget.CreateGradientStopCollection(stops, Gamma.Linear, ExtendMode.Wrap);
LinearGradientBrushProperties gradBrushProps = new LinearGradientBrushProperties(new Point2F(50, 25), new Point2F(25, 50));
linearGradientBrush = renderTarget.CreateLinearGradientBrush(gradBrushProps, pGradientStops);
gridPatternBitmapBrush = CreateGridPatternBrush(renderTarget);
solidBrush1 = renderTarget.CreateSolidColorBrush(new ColorF(0.3F, 0.5F, 0.65F, 0.25F));
solidBrush2 = renderTarget.CreateSolidColorBrush(new ColorF(0.0F, 0.0F, 0.65F, 0.5F));
solidBrush3 = renderTarget.CreateSolidColorBrush(new ColorF(0.9F, 0.5F, 0.3F, 0.75F));
// Create a linear gradient.
stops[0] = new GradientStop(1, new ColorF(0f, 0f, 0f, 0.25f));
stops[1] = new GradientStop(0, new ColorF(1f, 1f, 0.2f, 1f));
GradientStopCollection radiantGradientStops = renderTarget.CreateGradientStopCollection(stops, Gamma.Linear, ExtendMode.Wrap);
RadialGradientBrushProperties radialBrushProps = new RadialGradientBrushProperties(new Point2F(25, 25), new Point2F(0, 0), 10, 10);
radialGradientBrush = renderTarget.CreateRadialGradientBrush(radialBrushProps, radiantGradientStops);
}
}
public Direct2DRenderer(IntPtr pWindowHandle)
{
Control control = Control.FromHandle(pWindowHandle);
var renderProps = new RenderTargetProperties
{
PixelFormat = new PixelFormat(
Microsoft.WindowsAPICodePack.DirectX.DXGI.Format.B8G8R8A8_UNORM,
AlphaMode.Ignore),
Usage = RenderTargetUsage.None,
Type = RenderTargetType.Default // Software type is required to allow resource
// sharing between hardware (HwndRenderTarget)
// and software (WIC Bitmap render Target).
};
_renderer = D2DFactory.CreateHwndRenderTarget(
renderProps,
new HwndRenderTargetProperties(pWindowHandle, new SizeU(Convert.ToUInt32(control.ClientSize.Width), Convert.ToUInt32(control.ClientSize.Height)),
PresentOptions.Immediately));
}
/// <summary>
/// This method creates the render target and all associated D2D and DWrite resources
/// </summary>
void CreateDeviceResources()
{
// Only calls if resources have not been initialize before
if (renderTarget == null)
{
// Create the render target
SizeU size = new SizeU((uint)host.ActualWidth, (uint)host.ActualHeight);
RenderTargetProperties props = new RenderTargetProperties();
HwndRenderTargetProperties hwndProps = new HwndRenderTargetProperties(host.Handle, size, PresentOptions.None);
renderTarget = d2dFactory.CreateHwndRenderTarget(props, hwndProps);
// Create the black brush for text
blackBrush = renderTarget.CreateSolidColorBrush(new ColorF(0, 0, 0, 1));
inlineImage = new ImageInlineObject(renderTarget, wicFactory, "TextInlineImage.img1.jpg");
TextRange textRange = new TextRange(14, 1);
textLayout.SetInlineObject(inlineImage, textRange);
}
}
private void Situation_Load(object sender, EventArgs e)
{
Console.WriteLine("load!!");
// create factory (un-managed resource)
d2DFactory = D2DFactory.CreateFactory(D2DFactoryType.SingleThreaded);
dwriteFactory = DWriteFactory.CreateFactory();
// target
RenderTargetProperties renderTargetProperties = new RenderTargetProperties
{
PixelFormat = new PixelFormat(),
Usage = RenderTargetUsages.None,
RenderTargetType = RenderTargetType.Default
};
// handle
HwndRenderTargetProperties hwndRenderTargetProperties1 = new HwndRenderTargetProperties
{
WindowHandle = this.pictureBox1.Handle,
PixelSize = new SizeU((uint)this.pictureBox1.Width, (uint)this.pictureBox1.Height),
PresentOptions = PresentOptions.Immediately
};
renderTarget = d2DFactory.CreateHwndRenderTarget(renderTargetProperties, hwndRenderTargetProperties1);
// create blushes
blackBlush = renderTarget.CreateSolidColorBrush(new ColorF(0.0f, 0.0f, 0.0f));
redBlush = renderTarget.CreateSolidColorBrush(new ColorF(1.0f, 0.0f, 0.0f));
greenBlush = renderTarget.CreateSolidColorBrush(new ColorF(0.0f, 1.0f, 0.0f));
blueBlush = renderTarget.CreateSolidColorBrush(new ColorF(0.0f, 0.0f, 1.0f));
// define and start onPaintTimer
onPaintTimer = new Timer();
onPaintTimer.Interval = 500;
onPaintTimer.Tick += Render;
onPaintTimer.Start();
}
private void SetRenderMode(RenderModes rm)
{
lock (renderSyncObject)
{
renderMode = rm;
if (!IsInitialized && !isInitializing)
{
return;
}
//clean up objects that will be invalid after RenderTarget change
if (dcRenderTarget != null)
{
dcRenderTarget.Dispose();
dcRenderTarget = null;
}
if (hwndRenderTarget != null)
{
hwndRenderTarget.Dispose();
hwndRenderTarget = null;
}
if (bitmapRenderTarget != null)
{
bitmapRenderTarget.Dispose();
bitmapRenderTarget = null;
}
peelings.Clear();
bitmap = null; //the bitmap created in dc render target can't be used in hwnd render target
// Create the screen render target
var size = new SizeU((uint)ClientSize.Width, (uint)ClientSize.Height);
var props = new RenderTargetProperties
{
PixelFormat = new PixelFormat(
Format.B8G8R8A8UNorm,
AlphaMode.Ignore),
Usage = RenderTargetUsages.GdiCompatible
};
if (renderMode == RenderModes.DCRenderTarget || renderMode == RenderModes.BitmapRenderTargetOnPaint)
{
dcRenderTarget = d2DFactory.CreateDCRenderTarget(props);
if (renderMode == RenderModes.BitmapRenderTargetOnPaint)
{
bitmapRenderTarget =
dcRenderTarget.CreateCompatibleRenderTarget(
CompatibleRenderTargetOptions.GdiCompatible,
new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF(ClientSize.Width, ClientSize.Height));
}
render = null;
}
else
{
hwndRenderTarget = d2DFactory.CreateHwndRenderTarget(
props,
new HwndRenderTargetProperties(Handle, size, Microsoft.WindowsAPICodePack.DirectX.Direct2D1.PresentOptions.RetainContents));
if (renderMode == RenderModes.BitmapRenderTargetRealTime)
{
bitmapRenderTarget =
hwndRenderTarget.CreateCompatibleRenderTarget(
CompatibleRenderTargetOptions.GdiCompatible,
new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF(ClientSize.Width, ClientSize.Height));
}
render = RenderSceneInBackground;
}
//move all shapes to new rendertarget and refresh
foreach (var shape in drawingShapes)
{
shape.Bitmap = Bitmap;
shape.RenderTarget = RenderTarget;
}
RefreshAll();
}
}