/// <summary>
/// 指定したレンダーターゲットに対して描画処理を実行する。
/// </summary>
/// <remarks>
/// 描画処理は、レンダーターゲットの BeginDraw() と EndDraw() の間で行われることが保証される。
/// 描画処理中に例外が発生しても EndDraw() の呼び出しが確実に保証される。
/// </remarks>
/// <param name="rt">レンダリングターゲット。</param>
/// <param name="描画処理">BeginDraw() と EndDraw() の間で行う処理。</param>
public void D2DBatchDraw(SharpDX.Direct2D1.RenderTarget rt, Action 描画処理)
{
// リストになかったらこの rt を使うのは初回なので、BeginDraw/EndDraw() の呼び出しを行う。
// もしリストに登録されていたら、この rt は他の誰かが BeginDraw して EndDraw してない状態
// （D2DBatcDraw() の最中に D2DBatchDraw() が呼び出されている状態）なので、これらを呼び出してはならない。
bool BeginとEndを行う = !(this._Draw中のレンダーターゲットリスト.Contains(rt));
try
{
if (BeginとEndを行う)
{
this._Draw中のレンダーターゲットリスト.Add(rt); // Begin したらリストに追加。
rt.BeginDraw();
}
var trans = rt.Transform;
try
{
描画処理();
}
finally
{
// 描画が終わるたびに元に戻す。
rt.Transform = trans;
}
}
finally
{
if (BeginとEndを行う)
{
rt.EndDraw();
this._Draw中のレンダーターゲットリスト.Remove(rt); // End したらリストから削除。
}
}
}
/// <summary>
/// 指定したレンダーターゲットに対して描画処理をバッチ実行する。
/// </summary>
/// <remarks>
/// 描画処理は、レンダーターゲットの BeginDraw() と EndDraw() の間で行われることが保証される。
/// 描画処理中に例外が発生しても EndDraw() の呼び出しが確実に保証される。
/// </remarks>
/// <param name="rt">レンダリングターゲット。</param>
/// <param name="描画処理">BeginDraw() と EndDraw() の間で行う処理。</param>
public void D2DBatchDraw(SharpDX.Direct2D1.RenderTarget rt, Action 描画処理)
{
// リストになかったらこの rt を使うのは初回なので、BeginDraw/EndDraw() の呼び出しを行う。
// もしリストに登録されていたら、この rt は他の誰かが BeginDraw して EndDraw してない状態
// （D2DBatcDraw() の最中に D2DBatchDraw() が呼び出されている状態）なので、これらを呼び出してはならない。
bool BeginとEndを行う = !(this._BatchDraw中のレンダーターゲットリスト.Contains(rt));
var pretrans = rt.Transform;
var preblend = (rt is SharpDX.Direct2D1.DeviceContext dc) ? dc.PrimitiveBlend : SharpDX.Direct2D1.PrimitiveBlend.SourceOver;
try
{
if (BeginとEndを行う)
{
this._BatchDraw中のレンダーターゲットリスト.Add(rt); // Begin したらリストに追加。
rt.BeginDraw();
}
描画処理();
}
finally
{
rt.Transform = pretrans;
if (rt is SharpDX.Direct2D1.DeviceContext dc2)
{
dc2.PrimitiveBlend = preblend;
}
if (BeginとEndを行う)
{
rt.EndDraw();
this._BatchDraw中のレンダーターゲットリスト.Remove(rt); // End したらリストから削除。
}
}
}
public void RenderTextOffscreen(string text)
{
// Clear the off-screen render target.
deviceResources.D3DDeviceContext.ClearRenderTargetView(renderTargetView, new RawColor4(0f, 0f, 0f, 0f));
// Begin drawing with D2D.
d2dRenderTarget.BeginDraw();
// Create a text layout to match the screen.
SharpDX.DirectWrite.TextLayout textLayout = new SharpDX.DirectWrite.TextLayout(deviceResources.DWriteFactory, text, textFormat, textureWidth, textureHeight);
// Get the text metrics from the text layout.
SharpDX.DirectWrite.TextMetrics metrics = textLayout.Metrics;
// In this example, we position the text in the center of the off-screen render target.
Matrix3x2 screenTranslation = Matrix3x2.CreateTranslation(
textureWidth * 0.5f,
textureHeight * 0.5f + metrics.Height * 0.5f
);
whiteBrush.Transform = screenTranslation.ToRawMatrix3x2();
// Render the text using DirectWrite.
d2dRenderTarget.DrawTextLayout(new RawVector2(), textLayout, whiteBrush);
// End drawing with D2D.
d2dRenderTarget.EndDraw();
}
public void EndDraw()
{
if (_inRender)
{
lock (_lock)
{
d2dRenderTarget.EndDraw();
_inRender = false;
}
}
}
private void DirectXRender(List<UIElement> points)
{
if (points.Count <= 0)
return;
Line initLine = points[0] as Line;
Point
p1 = new Point
(
Math.Min(initLine.X1 - initLine.StrokeThickness / 2, initLine.X2 - initLine.StrokeThickness / 2),
Math.Min(initLine.Y1 - initLine.StrokeThickness / 2, initLine.Y2 - initLine.StrokeThickness / 2)
),
p2 = new Point
(
Math.Max(initLine.X1 + initLine.StrokeThickness / 2, initLine.X2 + initLine.StrokeThickness / 2),
Math.Max(initLine.Y1 + initLine.StrokeThickness / 2, initLine.Y2 + initLine.StrokeThickness / 2)
);
foreach (var child in points)
{
var line = child as Line;
if (line == null)
continue;
if (p1.X > line.X1 - line.StrokeThickness / 2)
p1.X = line.X1 - line.StrokeThickness / 2;
if (p1.X > line.X2 - line.StrokeThickness / 2)
p1.X = line.X2 - line.StrokeThickness / 2;
if (p2.X < line.X1 + line.StrokeThickness / 2)
p2.X = line.X1 + line.StrokeThickness / 2;
if (p2.X < line.X2 + line.StrokeThickness / 2)
p2.X = line.X2 + line.StrokeThickness / 2;
if (p1.Y > line.Y1 - line.StrokeThickness / 2)
p1.Y = line.Y1 - line.StrokeThickness / 2;
if (p1.Y > line.Y2 - line.StrokeThickness / 2)
p1.Y = line.Y2 - line.StrokeThickness / 2;
if (p2.Y < line.Y1 + line.StrokeThickness / 2)
p2.Y = line.Y1 + line.StrokeThickness / 2;
if (p2.Y < line.Y2 + line.StrokeThickness / 2)
p2.Y = line.Y2 + line.StrokeThickness / 2;
}
var bndRect = new Rect(p1, p2);
var dxTarget = new SurfaceImageSource
(
(int)(bndRect.Width * DisplayProperties.LogicalDpi / 96.0 + 1),
(int)(bndRect.Height * DisplayProperties.LogicalDpi / 96.0 + 1)
);
SharpDX.DXGI.ISurfaceImageSourceNative dxTargetNative = SharpDX.ComObject.As<SharpDX.DXGI.ISurfaceImageSourceNative>(dxTarget);
dxTargetNative.Device = d3dDevice.QueryInterface<SharpDX.DXGI.Device>();
/*
* Draw Logic
*/
SharpDX.DrawingPoint drawingPoint;
var surface = dxTargetNative.BeginDraw(new SharpDX.Rectangle(0, 0,
(int)(bndRect.Width * DisplayProperties.LogicalDpi / 96.0 + 1),
(int)(bndRect.Height * DisplayProperties.LogicalDpi / 96.0 + 1)),
out drawingPoint);
var dxRenderTarget = new SharpDX.Direct2D1.RenderTarget(d2dFactory, surface, new SharpDX.Direct2D1.RenderTargetProperties()
{
DpiX = DisplayProperties.LogicalDpi,
DpiY = DisplayProperties.LogicalDpi,
PixelFormat = new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied),
Type = SharpDX.Direct2D1.RenderTargetType.Default,
Usage = SharpDX.Direct2D1.RenderTargetUsage.None
});
dxRenderTarget.BeginDraw();
dxRenderTarget.Clear(SharpDX.Color.Transparent);
foreach (var child in points)
{
var line = child as Line;
if (line == null)
continue;
Color c = (line.Stroke as SolidColorBrush).Color;
var brush = new SharpDX.Direct2D1.SolidColorBrush(dxRenderTarget, new SharpDX.Color(c.R, c.G, c.B, c.A));
var style = new SharpDX.Direct2D1.StrokeStyleProperties();
style.LineJoin = SharpDX.Direct2D1.LineJoin.Round;
style.StartCap = SharpDX.Direct2D1.CapStyle.Round;
style.EndCap = SharpDX.Direct2D1.CapStyle.Round;
var stroke = new SharpDX.Direct2D1.StrokeStyle(d2dFactory, style);
dxRenderTarget.DrawLine(
new SharpDX.DrawingPointF((float)(line.X1 - bndRect.Left), (float)(line.Y1 - bndRect.Top)),
new SharpDX.DrawingPointF((float)(line.X2 - bndRect.Left), (float)(line.Y2 - bndRect.Top)),
brush, (float)line.StrokeThickness, stroke);
}
dxRenderTarget.EndDraw();
dxTargetNative.EndDraw();
var dxImage = new Image();
dxImage.Source = dxTarget;
canvas.Children.Add(dxImage);
Canvas.SetLeft(dxImage, bndRect.X);
Canvas.SetTop(dxImage, bndRect.Y);
}
private ErrorCode CopyGdiScreenToDxSurf()
{
ErrorCode errorCode = ErrorCode.Unexpected;
try
{
if (hWnd != IntPtr.Zero)
{
var isIconic = User32.IsIconic(hWnd);
if (!isIconic)
{
var clientRect = User32.GetClientRect(hWnd);
if (this.SrcRect != clientRect)
{
logger.Info(SrcRect.ToString());
this.SrcRect = clientRect;
if (gdiTexture != null)
{
gdiTexture.Dispose();
gdiTexture = null;
}
}
}
else
{
logger.Debug("IsIconic: " + hWnd);
return(ErrorCode.Ok);
}
var srcWidth = SrcRect.Width;
var srcHeight = SrcRect.Height;
if (srcWidth == 0 || srcHeight == 0)
{
logger.Error("Invalid rect: " + SrcRect.ToString());
return(ErrorCode.Unexpected);
}
if (gdiTexture == null)
{
gdiTexture = new Texture2D(device,
new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.None,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
Width = SrcRect.Width,
Height = SrcRect.Height,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.GdiCompatible,
});
}
}
using (var surf = gdiTexture.QueryInterface <SharpDX.DXGI.Surface1>())
{
int nXSrc = SrcRect.Left;
int nYSrc = SrcRect.Top;
int nWidthSrc = SrcRect.Width;
int nHeightSrc = SrcRect.Height;
var descr = surf.Description;
int nXDest = 0;
int nYDest = 0;
int nWidth = descr.Width;
int nHeight = descr.Height;
try
{
var hdcDest = surf.GetDC(true);
IntPtr hdcSrc = IntPtr.Zero;
try
{
hdcSrc = User32.GetDC(hWnd);
//hdcSrc = User32.GetDC(IntPtr.Zero);
//hdcSrc = User32.GetWindowDC(hWnd);
var dwRop = TernaryRasterOperations.SRCCOPY;
if (CaptureAllLayers)
{
dwRop |= TernaryRasterOperations.CAPTUREBLT;
}
//var dwRop = TernaryRasterOperations.CAPTUREBLT | TernaryRasterOperations.SRCCOPY;
//var dwRop = TernaryRasterOperations.SRCCOPY;
//bool success = User32.PrintWindow(hWnd, hdcDest, 0);
bool success = Gdi32.BitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, dwRop);
if (!success)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (CaptureMouse)
{
var x = nXSrc;
var y = nYSrc;
if (hWnd != IntPtr.Zero)
{
POINT lpPoint = new POINT
{
x = 0,
y = 0,
};
User32.ClientToScreen(hWnd, ref lpPoint);
x = lpPoint.x;
y = lpPoint.y;
}
User32.DrawCursorEx(hdcDest, x, y);
}
errorCode = ErrorCode.Ok;
}
finally
{
Gdi32.DeleteDC(hdcSrc);
}
}
catch (Win32Exception ex)
{
logger.Warn(ex);
if (ex.NativeErrorCode == Win32ErrorCodes.ERROR_ACCESS_DENIED ||
ex.NativeErrorCode == Win32ErrorCodes.ERROR_INVALID_HANDLE)
{
errorCode = ErrorCode.AccessDenied;
}
}
finally
{
surf.ReleaseDC();
}
}
if (errorCode == ErrorCode.Ok)
{
Texture2D finalTexture = gdiTexture;
if (renderTarget != null)
{ // масштабируем текстуру если нужно
renderTarget.BeginDraw();
renderTarget.Clear(SharpDX.Color.Black); //(Color.Red);
DrawTexture(renderTarget, gdiTexture);
renderTarget.EndDraw();
finalTexture = renderTexture;
}
//device.ImmediateContext.CopySubresourceRegion(finalTexture, SharedTexture);
device.ImmediateContext.CopyResource(finalTexture, SharedTexture);
device.ImmediateContext.Flush();
}
}
catch (Exception ex)
{
logger.Error(ex);
}
return(errorCode);
}
private void OnRender()
{
lock (_renderContextLock)
{
if (_renderTarget?.IsDisposed ?? true)
{
return;
}
_renderTarget.BeginDraw();
_renderTarget.Clear(_backgroundColor);
if (_experimentStarted) // Draw blocks
{
var secsPassed = (CurrentTime - _stageUpdatedAt) / 1000.0;
switch (_paradigm)
{
case SsvepExperiment.Configuration.TestConfig.StimulationParadigm.Flicker:
foreach (var block in _blocks)
{
if (block.BorderWidth > 0)
{
_solidColorBrush.Color = _blockBorderColor;
_renderTarget.FillRectangle(block.BorderRect, _solidColorBrush);
}
if (!_trialStarted || block.Patterns == null)
{
_solidColorBrush.Color = _blockNormalColor;
}
else
{
_solidColorBrush.Color = Color.SmoothStep(_blockNormalColor, _blockFlashingColor,
(float)ConvertCosineValueToGrayScale(block.Patterns[0].Sample(secsPassed)));
}
_renderTarget.FillRectangle(block.ContentRect, _solidColorBrush);
if (block.FixationPointSize > 0)
{
_solidColorBrush.Color = _blockFixationPointColor;
_renderTarget.FillEllipse(block.CenterPointEllipse, _solidColorBrush);
}
}
break;
case SsvepExperiment.Configuration.TestConfig.StimulationParadigm.DualFlickers:
foreach (var block in _blocks)
{
if (block.BorderWidth > 0)
{
_solidColorBrush.Color = _blockBorderColor;
_renderTarget.FillRectangle(block.BorderRect, _solidColorBrush);
}
for (var i = 0; i < block.DualFlickerRects.Length; i++)
{
if (!_trialStarted || block.Patterns == null)
{
_solidColorBrush.Color = _blockNormalColor;
}
else
{
_solidColorBrush.Color = Color.SmoothStep(_blockNormalColor, _blockFlashingColor,
(float)ConvertCosineValueToGrayScale(block.Patterns[i].Sample(secsPassed)));
}
_renderTarget.FillRectangle(block.DualFlickerRects[i], _solidColorBrush);
}
if (block.FixationPointSize > 0)
{
_solidColorBrush.Color = _blockFixationPointColor;
_renderTarget.FillEllipse(block.CenterPointEllipse, _solidColorBrush);
}
}
break;
}
}
else if (!(_displayText?.IsBlank() ?? true)) // Draw text
{
_solidColorBrush.Color = _fontColor;
_renderTarget.DrawText(_displayText, _textFormat, new RawRectangleF(0, 0, Width, Height),
_solidColorBrush, SharpDX.Direct2D1.DrawTextOptions.None);
}
_renderTarget.EndDraw();
_swapChain.Present(1, SharpDX.DXGI.PresentFlags.None, _presentParameters);
}
}
private void DirectXRender(List <UIElement> points)
{
if (points.Count <= 0)
{
return;
}
Line initLine = points[0] as Line;
Point
p1 = new Point
(
Math.Min(initLine.X1 - initLine.StrokeThickness / 2, initLine.X2 - initLine.StrokeThickness / 2),
Math.Min(initLine.Y1 - initLine.StrokeThickness / 2, initLine.Y2 - initLine.StrokeThickness / 2)
),
p2 = new Point
(
Math.Max(initLine.X1 + initLine.StrokeThickness / 2, initLine.X2 + initLine.StrokeThickness / 2),
Math.Max(initLine.Y1 + initLine.StrokeThickness / 2, initLine.Y2 + initLine.StrokeThickness / 2)
);
foreach (var child in points)
{
var line = child as Line;
if (line == null)
{
continue;
}
if (p1.X > line.X1 - line.StrokeThickness / 2)
{
p1.X = line.X1 - line.StrokeThickness / 2;
}
if (p1.X > line.X2 - line.StrokeThickness / 2)
{
p1.X = line.X2 - line.StrokeThickness / 2;
}
if (p2.X < line.X1 + line.StrokeThickness / 2)
{
p2.X = line.X1 + line.StrokeThickness / 2;
}
if (p2.X < line.X2 + line.StrokeThickness / 2)
{
p2.X = line.X2 + line.StrokeThickness / 2;
}
if (p1.Y > line.Y1 - line.StrokeThickness / 2)
{
p1.Y = line.Y1 - line.StrokeThickness / 2;
}
if (p1.Y > line.Y2 - line.StrokeThickness / 2)
{
p1.Y = line.Y2 - line.StrokeThickness / 2;
}
if (p2.Y < line.Y1 + line.StrokeThickness / 2)
{
p2.Y = line.Y1 + line.StrokeThickness / 2;
}
if (p2.Y < line.Y2 + line.StrokeThickness / 2)
{
p2.Y = line.Y2 + line.StrokeThickness / 2;
}
}
var bndRect = new Rect(p1, p2);
var dxTarget = new SurfaceImageSource
(
(int)(bndRect.Width * DisplayProperties.LogicalDpi / 96.0 + 1),
(int)(bndRect.Height * DisplayProperties.LogicalDpi / 96.0 + 1)
);
SharpDX.DXGI.ISurfaceImageSourceNative dxTargetNative = SharpDX.ComObject.As <SharpDX.DXGI.ISurfaceImageSourceNative>(dxTarget);
dxTargetNative.Device = d3dDevice.QueryInterface <SharpDX.DXGI.Device>();
/*
* Draw Logic
*/
SharpDX.DrawingPoint drawingPoint;
var surface = dxTargetNative.BeginDraw(new SharpDX.Rectangle(0, 0,
(int)(bndRect.Width * DisplayProperties.LogicalDpi / 96.0 + 1),
(int)(bndRect.Height * DisplayProperties.LogicalDpi / 96.0 + 1)),
out drawingPoint);
var dxRenderTarget = new SharpDX.Direct2D1.RenderTarget(d2dFactory, surface, new SharpDX.Direct2D1.RenderTargetProperties()
{
DpiX = DisplayProperties.LogicalDpi,
DpiY = DisplayProperties.LogicalDpi,
PixelFormat = new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied),
Type = SharpDX.Direct2D1.RenderTargetType.Default,
Usage = SharpDX.Direct2D1.RenderTargetUsage.None
});
dxRenderTarget.BeginDraw();
dxRenderTarget.Clear(SharpDX.Color.Transparent);
foreach (var child in points)
{
var line = child as Line;
if (line == null)
{
continue;
}
Color c = (line.Stroke as SolidColorBrush).Color;
var brush = new SharpDX.Direct2D1.SolidColorBrush(dxRenderTarget, new SharpDX.Color(c.R, c.G, c.B, c.A));
var style = new SharpDX.Direct2D1.StrokeStyleProperties();
style.LineJoin = SharpDX.Direct2D1.LineJoin.Round;
style.StartCap = SharpDX.Direct2D1.CapStyle.Round;
style.EndCap = SharpDX.Direct2D1.CapStyle.Round;
var stroke = new SharpDX.Direct2D1.StrokeStyle(d2dFactory, style);
dxRenderTarget.DrawLine(
new SharpDX.DrawingPointF((float)(line.X1 - bndRect.Left), (float)(line.Y1 - bndRect.Top)),
new SharpDX.DrawingPointF((float)(line.X2 - bndRect.Left), (float)(line.Y2 - bndRect.Top)),
brush, (float)line.StrokeThickness, stroke);
}
dxRenderTarget.EndDraw();
dxTargetNative.EndDraw();
var dxImage = new Image();
dxImage.Source = dxTarget;
canvas.Children.Add(dxImage);
Canvas.SetLeft(dxImage, bndRect.X);
Canvas.SetTop(dxImage, bndRect.Y);
}